Theorycraft Games

Backend Engineer

Open

Senior Fullstack Engineer

Staff Backend Engineer

Ellipsis Health

Lead SDET

MetaLend

Fullstack Engineer

Found

Frontend Engineer

Tower Loan

ModuleQ

Senior Backend Engineer

Soot

Sr Product Designer

Babbel

Sr Backend Engineer- B2B

Staff iOS Engineer

AI/ML Engineer

Qualified

Senior Backend Engineer - Data

Orum

Senior Software Engineer

Adentro

Fullstack Developer

Grindr

Sourcemap

Sr. Fullstack Engineer

Senior DevOps Engineer

CollegeVine

Senior iOS Engineer

SESO Labor

Adobe

Adobe XD

Amazon Redshift

Android

Angular

Angular 2+

AngularJS

Ansible

Apache Airflow

Apache Hive

Apache Spark

Apollo

Appium

ASP .NET

Autify

Azure

Bash

Big Data

BigML

BigQuery

Blockchain

Bootstrap

Bubble

Bugzilla

CakePHP

Cassandra

C/C++

Chatbots

Chef

CI/CD

CircleCI

Cloud Formation

CodeIgniter

Cordova

Cryptocurrency

Cucumber

Cypress.js 

D3.js

Dart

DataDog

Django

Docker

Drupal

DynamoDB

Elasticsearch

Elixir

Ember.js

Erlang

Espresso

Express.js

Fastapi

Figma

Firebase

Fivetran

Flask

Flutter

Framer

GitHub

GitLab

Golang

Google Cloud

Grafana

GraphQL

Hadoop

Hibernate

HTML

Invision

Ionic

Java

JavaScript

Jenkins

Jest

Jira

JMeter

JQuery

JSoup

Jupyter notebook

Kafka

Kibana

KMine

Kotlin

Kubernetes

Lambda

LangChain

Laravel

Large Language Models (LLM)

Linux

LoadRunner

Looker

Based out of Seattle &amp; Los Angeles, Theorycraft Games is an independent game studio looking to make deep, 10,000-hour games that are intended for play with friends.

About Theorycraft Games

The ideal candidate will possess:
* 5+ years of experience working as a software engineer or DevOps using modern technology (L2 / 3-5 yoe okay - more about skill than strict YOE)
* 5+ years of experience with Python or C++(L2 / 3-5 yoe okay - more about skill than strict YOE)
* Strong experience developing in a cloud environment, ideally AWS, with a solid understanding of cloud security best practices.


Desired Skills:
* Strong experience implementing CI/CD pipelines (TeamCity, Jenkins, etc.)
* Strong experience implementing crash reporting pipelines (Sentry, Crashpad, Breakpad, etc.)
* Experience working with infrastructure as code (Terraform, Terragrunt)
* Experience with third-party API integration, ensuring secure data exchange and adherence to privacy standards.
* Experience working in a Unix/Linux environment.
* Experience with monitoring and visualization tools (Datadog, Grafana)
* Experience with endpoint and antivirus software (Microsoft Intune, MalwareBytes, Crowdstrike)
* Experience administering IT SaaS tools (Google Workspace, Slack, Notion, etc.)
* Experience with the gaming industry is a plus.

What You’ll Bring

Our mission is two simple words. Open is a modern studio designing a new way to practice wellbeing. We combine our hybrid methodology with a social and engaging platform to make mindfulness achievable for all. We engage the senses with music, sound, breath, and movement to create inspiring and meaningful shared experiences on and offline. We are design oriented, inspired by art, and promote the power of the direct experience. We envision a world where everyone, everywhere, Opens everyday.

Based in Venice, our team is committed to creating a driven and diverse company with ambitious people from a wide range of backgrounds. We are looking for people with a strong sense for exceptional products, a keen eye for detail, and an aptitude for learning new technologies. Most importantly, we’re looking for people who are enthusiastic about working with a dynamic group of people to build the future of wellness. 

We're currently focused on streaming immersive classes through our digital platform from our studios in San Francisco and Venice to a growing global audience. Open is supported by Founders Fund (Keith Rabois), Susa, LVMH (Miyuki Matsumoto), Coatue (Arielle Zuckerberg), Slow, SV Angel, Maveron, Jack Dorsey, Adrian Aoun, Ben Rubin (Houseparty), and more.

About The Role

As a Fullstack Engineer and a founding member of the team, you will have the opportunity to transform ideas into reality taking end-to-end ownership of our web product.

What You'll Do:
•Ship world class products that enable mindful practice and community
•Straddle both frontend product development as well as backend
•Design reliable, scalable software
•Collaborate with an Design

What You’ll Do

What You'll Bring:
•5+ YOE in JavaScript, TypeScript and SQL
•Background in BI projects or charts. 
•Eager to work autonomously
•Extremely fast and prolific in writing code
•Obsessed with beautiful design and interfaces, and an expert in implementing them
•Bonus for a background in ETL

At Open, we are looking for a Staff Backend Engineer who thrives in both analytical and engineering environments. In this role, you will work to transform raw data into actionable insights using modern analytics tools while leveraging your engineering skills to track and structure data for efficient analysis. You'll navigate our backend systems, utilizing JavaScript/TypeScript to manage ETL processes and streamline data readiness for decision-making.

•Lead efforts to turn existing data into meaningful insights that drive business decisions.
•Experience architecting and implementing solutions with Firebase, Node, and Cloud Functions
•Use SQL to query, analyze, and optimize large datasets.
•Collaborate with the backend team to enhance data tracking and transformation efforts using advanced Javascript/Typescript
•Ensure that data workflows are optimized for accuracy, efficiency, and timely reporting.
• Provide mentorship and guidance to junior engineers and contribute to the continuous improvement of data practices.

•5+ years of experience with JavaScript and TypeScript, with a focus on backend development
• Proven track record of leading engineering projects and initiatives.
• Advanced proficiency in SQL, with the ability to query, manipulate and optimize large datasets.
• Strong fluency in JavaScript and TypeScript for backend data manipulation.
• Extensive experience working with ETL processes to clean, transform, and load data efficiently.
• Bonus points if you have exposure to Mode, Amplitude, BigQuery, Klaviyo, &amp; Google Analytics
• Strong problem-solving skills and the ability to work collaboratively in a fast-paced environment.
• Excellent communication skills, with the ability to convey complex technical concepts to non-technical stakeholders.

Ellipsis Health has pioneered an artificial intelligence-powered, speech-based vital sign to quantify and manage depression and anxiety symptoms at scale. With depression and anxiety symptoms impacting one third of Americans and costing the global society over $1 trillion each year, Ellipsis Health's integrated behavioral health solution helps healthcare providers and payors reliably identify and evaluate high-risk patient populations. Machine-learning algorithms assess patient speech through cloud-based deep learning models and generate an automated assessment of anxiety and depression symptoms for clinical decision support.

About Ellipsis Health

We are currently looking for a seasoned quality assurance engineer with significant experience with commercial-grade consumer-facing web apps that leverage Machine Learning tools and technologies. This is a technical leadership role, and you will work closely with our CTO to build an engaging and easy-to-use healthcare app using ReactJS, Firebase, Node.js, PostgreSQL, Speech-to-Text, LLM, Text-to-Speech, etc. It is an excellent opportunity to build the next generation of our app that will be used by millions of users all over the world.

• Create QA department roadmap for both manual &amp; automated testing including test plans, deployment checklists, and release notes
• Perform quality assurance of both GUI and CLI-based AI/ML applications and automate them as much as possible
• Perform load and stress testing of the application and the platform
• Work closely with the product, engineering, ML, and clinical teams to help define product requirements and user stories
• Work on the Quality Monitoring System needed for FDA compliance     
• Mentor junior team members

• Bachelor's Degree in Computer Science or equivalent
• 5+ years of relevant industry experience doing quality assurance on commercial, consumer-facing Web apps and backend API's
• Strong verbal and written communication skills
• Experience as a technical lead 
• Experience with test planning, test design, and test reporting
• Excellent coding skills in Python and experience with other high-level programming languages 
• Proficient in automation testing frameworks such as Selenium/Webdriver/TestNG and in building test harness

MetaLend is a provider of a bank for digital economy based out of Santa Monica, California. The MetaLend protocol enables traders to use NFTs as collateral to take out loans, starting with a focus on the GameFi sector. MetaLend empowers NFT owners to continue to utilize their assets to generate yield while the assets are being used as collateral for the loans.

About MetaLend

MetaLend is an innovative startup at the intersection of technology and Web3, poised to revolutionize the Blockchain Gaming landscape. We are seeking a dynamic and experienced Fullstack Engineer with proven management skills to join our team. The ideal candidate should have a passion for coding and a keen interest in Web3 technologies.

• Collaborate with cross-functional teams to implement technical roadmaps.
• Actively participate in the exploration and implementation of decentralized technologies.
• Collaborate with product teams to design and implement gaming-related features.
• Stay informed about industry trends and emerging technologies in the gaming space.
• Thrive in a fast-paced startup environment, demonstrating adaptability and a solution-oriented mindset.
• Contribute to the development and execution of strategies that align with the company's growth objectives.
• Embrace the challenges and opportunities inherent in a startup, fostering a culture of innovation and agility.

• 2-5 years of experience as Fullstack Engineer, with a focus on both front-end and back-end development.
• 2+ years of experience in Java and/or Kotlin; willingness to learn Kotlin required
• 2+ years of experience in React Proficiency in modern programming languages and frameworks.
• Demonstrated ability to thrive in a startup environment
• Exposure to Web3/Crypto development either personally or professionally


Nice to Have
• Strong understanding and interest in Web3 technologies
• Strong understanding and passion for Decentralized Finance

Found is a modern weight care platform pioneering integrated support through personalized coaching, online community, and if indicated, prescription medication. We believe that weight care is complex and goes beyond having the willpower to eat less and move more. We believe in the power of biology, genetics, sleep, stress, mental health and daily habits and we work with each factor to achieve long-lasting results. Our goals are to address the long-term risks associated with ineffective weight management, to reimagine the narrow and outdated cultural narrative around weight, and to empower our community with tools that will help them find self-acceptance and add years to their lives. We believe it’s not just what you’ve lost, it’s what you’ve Found.

About Found

Found is an evidence-based weight care platform that combines the best of modern medicine with lasting behavior change, access to personalized coaching, and a supportive community. Centered around clinical excellence, Found provides its members with a doctor-designed, comprehensive, and personalized weight loss program that delivers long-term, sustainable results.

Found’s members are supported by a team that includes providers to prescribe effective medication that addresses the root cause of someone’s weight challenges, combined with the best of consumer technology to provide behavioral health interventions delivered through our app for guidance on nutrition, movement, sleep, and emotional health.

Found is one of the largest medically-assisted weight loss programs in the country, having served 200,000+ Americans to-date and funded by leading investors like Atomic, Google Ventures, WestCap, IVP, TCG, Define Ventures and more. For more information, visit www.joinfound.com, follow on Instagram @joinfound and Facebook @joinfoundhealth.

Why Join Found
This is a great opportunity to work with a fast-growing, mission-driven company making a tangible impact on people's health and well-being. As a member of our team, you’ll work on exciting projects and have the opportunity to transition to a full-time position based on your performance.
Found is an Equal Opportunity Employer.  We seek and celebrate diversity in its many forms.  If you’re excited about this opportunity but do not meet 100% of the qualifications, we encourage you to apply.
Please review our CCPA policies.

The Opportunity

We are looking for a skilled and motivated Software Engineer with a focus on front-end development to join our team on a 6-month contract. This role will help us scale rapidly during a period of high growth, with the potential for conversion to a full-time role upon successful performance. Reporting to our Director of Engineering, you will be responsible for creating responsive, high-performance web interfaces using ReactJS and Typescript.

Key Responsibilities

• Front-End Development: Develop and maintain responsive web applications using ReactJS and Typescript, ensuring an excellent user experience.
• Collaboration: Work closely with designers and backend developers to implement seamless, user-centric designs.
• Debugging and Optimization: Troubleshoot, debug, and resolve issues as they arise, and ensure applications are optimized for performance and scalability.
• Testing and Automation: Write and maintain automated tests using Jest to ensure the quality and stability of the codebase.
• Continuous Learning: Stay up-to-date with the latest ReactJS and front-end development trends, best practices, and emerging technologies.

What You Bring
• Educational Background: Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
• Experience: 4+ years of front-end development experience, with a strong focus on ReactJS and Typescript.

Technical Proficiency:
• Expertise in ReactJS, React Query, and Typescript.
• Experience with automated testing frameworks, especially Jest.
• Strong understanding of front-end performance optimization and scalability best practices.

Soft Skills:
• Excellent problem-solving abilities.
• Effective communication and collaboration skills. 
• Ability to work in a fast-paced, agile environment.

Bonus Points
• Experience with Node.js and backend development.
• Previous experience working in a startup environment.
• Contributions to open-source projects.
• Passion for improving patient health through technology.

Tower Loan, a privately-owned finance company, operates more than 230 branch offices in Mississippi, Louisiana, Missouri, Illinois and Alabama. The company is regarded as one of the largest and most progressive independent finance companies in the nation—and we’re proud of our reputation. The company was founded in 1936 and has been an industry leader ever since. Tower has weathered the storm of high interest rates, recessions, government regulations and difficult litigation environments. In spite of these obstacles, Tower Loan has continued to prosper, advance and become one of the nation’s leaders among independent finance companies.

About Tower Loan

Tower Loan is searching for a Software Developer to join our team! We are accepting applicants with the minimum qualifications listed below. If you are more experienced and have higher qualifications we would love to talk to you as well.

<ul><li>Development and maintenance of custom financial software written in C#.</li><li>Maintain and develop interfaces/subsystems with 3rd party vendors.</li><li>Microsoft SQL Server and the T-SQL language development</li></ul>

Minimum Qualifications<ul><li>Computer Science Degree or Related Degree, either from a 4 year college or technical certification school.</li><li>Must have 6+ years or experience with C#, the .Net Framework and MVC applications.</li><li>4+ years of experience with IIS, MS SQL Server, and the T-SQL language.</li><li>4+ years of experience with SSRS Reporting Services report design.</li><li>3+ years of experience with PowerShell</li><li>Excellent communication skills, both oral and written</li></ul> Minimum Experience<ul><li>.Net 4.5, MVC, Entity Framework</li><li>C#, ASP.NET</li><li>JavaScript</li><li>SQL Server 2016 and SQL Server Reporting Services 2016</li><li>Visual Studio 2016 and SQL Server Management Studio</li></ul>&nbsp; #LI-RR1#LI-Remote

ModuleQ is a fast-growing startup providing transformative AI technology. We deliver timely, AI-driven insights to enterprise professionals. Using our patented People-Facing AI technology, we connect people with the information they need at the right time. We have deep partnerships with Microsoft and the London Stock Exchange Group and work with top global companies in Financial and Professional Services, with a growing industry footprint. Our embedded experience works seamlessly inside of Microsoft Teams, which has grown to over 250 million daily active users as we enter the work-anywhere age.

About ModuleQ

ModuleQ is a fast-growing AI startup based in Cupertino, CA. We are passionate about using AI to augment the work of customer-facing professionals. This is an opportunity to be an early contributor and work with experts in the lucrative artificial intelligence arena.

As a Senior Backend Engineer at ModuleQ, you will design, develop, and maintain high-quality, scalable software solutions. You'll work closely with cross-functional teams to build intelligent, AI-driven products that enhance business productivity. Responsibilities include leading technical projects, writing clean, efficient code, troubleshooting, and ensuring system performance and security. Strong C# experience in backend development, cloud technologies, and agile methodologies is required. Bonus if you have a deep understanding of AI/ML and data-driven solutions.

• Deliver reliable, thoroughly tested, secure, and maintainable code.
• Build and sustain scalable, efficient, and high-performance full-stack applications.
• Work closely with cross-functional teams, including product owners, designers, and engineers, to understand and meet business needs.
• Engage in code reviews, offering constructive feedback while ensuring quality and compliance with coding standards.
• Propose and contribute to enhancements in the tech stack, tools, and development workflows for ongoing improvement.

• BS or equivalent experience, with 7-10 years of work experience in the industry
• Solid understanding of backend C# development, with a minimum of 5 years of experience shipping highly scalable and performant solutions in .NET.
• Experience with cloud-based IaaS platforms, primarily Microsoft Azure
• Experience with distributed, scalable data pipelines, message queues, and publish-subscribe architectures
• Excellent oral and written communication skills.
• Experience with Blazor or other front-end solutions is a bonus.

Ideal Candidate
• Loves innovation, experimentation, and learning from failure
• Adapts to changing business requirements and can work in an agile environment
• Enjoys collaborating with teammates to enhance their productivity along with your own
• Ability to function well in a fast-paced, dynamic environment with competing priorities.
• Highly self-motivated, with a strong sense of ownership and urgency.

SOOT is a new way of mapping information. It’s self-organizing, spatial, and incredibly fast. For mapping design files, videos, websites, and moodboards.

About Soot

Requested Intros
Looking for a frontend web engineer with experience in web graphics, or a graphics engineer with experience in frontend systems.

Technical Details

Our frontend tech stack is composed of Vue.js, THREE.js, WebGL (2.0), GraphQL, and TypeScript. We make heavy use of modern web technologies including canvas and web workers. You don't need to be familiar with ALL of these technologies, but you'll probably struggle without some experience with at least two of these.

The SOOT frontend pipeline is responsible for rendering tens of thousands of unique pieces of data quickly while maintaining a high quality user experience and a high quality design-experiment environment. This means an intense focus on speed, scale, and extensibility. Much of the role is focused on developing coherent abstractions for the difficult rendering problems, while building out the UX for an incredibly talented design team.

Prior Technical Experience That We Look For

Web engineering – in particular, experience designing component systems and working closely with designers / product managers.

Game engineering (NICE TO HAVE) – in particular, thinking about and implementing novel UX patterns without 'closing doors' to future exploration, coming up with coherent user interaction states and that can support a huge range of UX flows


Distributed systems engineering – in particular, experience with thinking about data lifecycles, inter-process communication, and effective data structure design

Other Things We Look For
SOOT is a small startup, everyone wears a lot of hats. So we're looking for folks who are capable of programming in diverse settings. We're keeping an eye out for projects in multiple languages/paradigms/frameworks, potentially with different build systems and tooling setups (gradle, npm, pip, Make), deployed in multiple settings (web, cloud, embedded systems, mobile).

We love folks who have opinions that are borne out of experience, including non-technical ones. We're keeping an eye out for technical and non-technical writing, presentations, and PRs, issues, and conversations in public repositories and forums.
 
Because we're a small team, we expect a lot of autonomy and independence. We're keeping an eye out for folks who have prior experience building out their own projects, or who have prior startup experience or personal consulting experience. Really any role where you have to deal with a lot of ambiguity and turn it into something magical.

And finally, we're looking for folks who will be excited to be with and grow with SOOT in the long run :)

SOOT is seeking a Backend Engineer to help build and scale oucutting-edge spatial file system, designed to transform digital file management into an immersive experience. The role focuses on developing and maintaining a high-speed, high-availability backend using AWS, Node.js, Python, and various ML tools.

Our backend tech stack is built on AWS, managed with terraform. We deploy several node (typescript) and python binaries through ECR and K8s. The binaries communicate with each other using SQS, and store data to a S3 blob store and DocDb data store. We depend on ML tooling (primarily Torch, but increasingly higher level libraries like langchain, huggingface), and we make heavy use of OpenSearch. We utilize an event-sourcing model to support multiplayer and sharing.  

You don't need to be familiar with ALL of these technologies, but you'll probably struggle without some experience with at least a few of these.

The SOOT backend is responsible for processing tens of thousands of unique pieces of data quickly while maintaining high availability to support a seamless frontend user experience. This means an intense focus on speed and scale, with an eye towards maximizing parallelism, such that the system can easily consume resources as they become available. The backend is also constantly growing in terms of feature complexity – we are rapidly bringing new features online, all of which support step function improvements to SOOT.

Much of the role is about developing coherent abstractions and thinking about data lifecycles. The SOOT backend is responsible for managing a lot of widely varying behaviors, from ML processing to data compression to basic CRUD. To support all of this while ALSO growing our feature list, we heavily focus on reducing complexity.

Prior Technical Experience That We Look For:
 
Distributed systems engineering – in particular, experience with thinking about data lifecycles, inter-process communication, and effective data structure design

Database engineering – in particular, experience with maximizing speed for specific high value queries at a system level, scaling to efficiently utilize available resources, and dealing with weak data consistency guarantees 

Real-time Multiplayer (NICE TO HAVE)– in particular, dealing with concurrent document editing. Heavy preference for folks who have experience with multiplayer servers for video games, but any experience here (including OT or CRDT) is fantastic

Other Things We Look For

SOOT is a small startup, everyone wears a lot of hats. So we're looking for folks who are capable of programming in diverse settings. We're keeping an eye out for projects in multiple languages/paradigms/frameworks, potentially with different build systems and tooling setups (gradle, npm, pip, Make), deployed in multiple settings (web, cloud, embedded systems, mobile).

We love folks who have opinions that are borne out of experience, including non-technical ones. We're keeping an eye out for technical and non-technical writing, presentations, and PRs, issues, and conversations in public repositories and forums.
 
Because we're a small team, we expect a lot of autonomy and independence. We're keeping an eye out for folks who have prior experience building out their own projects, or who have prior startup experience or personal consulting experience. Really any role where you have to deal with a lot of ambiguity and turn it into something magical.

And finally, we're looking for folks who will be excited to be with and grow with SOOT in the long run :)

Found is a modern weight care platform and community focused on integrated support. According to a recent CDC study, nearly 50% of Americans want to lose weight, and on average, Americans have gained 30 lbs during the pandemic. But the existing weight loss industry focuses on shame - if you don’t have the willpower to eat less and workout more, you aren’t trying hard enough.
Modern science shows us that weight care is complex - food and movement are important, but so are hormones, genetics, sleep, stress, mental health, and daily habits. Found’s unique approach incorporates personalized coaching, an online community, and if indicated, medical and prescription solutions.
Research shows that addressing weight health reduces the long-term risk of diabetes, heart disease, and some forms of cancer. We believe in giving our community tools that will help them add years to their lives and reach their goals. We believe it’s not just what you’ve lost, it’s what you’ve Found.

The Opportunity
Found is looking for a Senior Product Designer eager to push the boundary of their craft and problem-solving skills. This role is for a specialist focused on growth. In this role you will:
● Drive conversion of new members across our end-to-end acquisition flow
● Design responsive mobile-first landing pages, purchase flows, account creation, and
checkout experiences
● Attract prospects to Found’s offering and help them realize when Found is right for them
● Deeply collaborate with marketing partners on strategy and experiment design
● Continuously partner with product and engineering to deliver and iterate on experiments
You’ll be reporting to the Director of Design and working alongside cross functional leaders in marketing. If you’re looking to join a team that is bringing award winning designs to a neglected industry and diving into ambiguity to identify and plan the next set of problems, we’d love to connect.

Open up our platform
You should expect to work on projects that help expand our TAM and make it easier and more enjoyable to access Found. This involves growth projects, AB split testing designs to drive conversion and retention, and allowing people to pay only for what they need.
Explore monetization
As we continue to expand our product line, you’ll have to distill complex inputs like insurance or medication eligibility into simple experiences that are easy to understand for prospective customers.
Represent customers
Being able to dive into data and defend the most important areas for us to focus our energy on must be a passion of yours.
Grow the voice of design
Inside and out, we want to bring on designers who love to teach, coach, and elevate the process of design thinking.

Expert at your craft
You dabble with all creative tools, but feel masterful in a few - particularly Figma and Webflow.You have demonstrable experience in driving acquisition through design. UX/UI, conversion, brand, typography, color, layout are your bread and butter. You can easily apply that knowledge to mobile, web and any other design domain you choose to play in. You can manage any level of chaotic Figma auto-layout nesting, and thrive at keeping design systems organized. You can prototype at any level of fidelity but know what needs to be used in order to get the right answers solved. You feel comfortable building workshops and leading research when needed.
Skilled at storytelling
You’re able to inspire, clarify, and teach through storytelling across all levels of leadership. You believe that content-strategy is just as important as the UI and have a strong portfolio of craft experiences beyond the pixels and helping people feel and believe in the Why behind what you’re building. You are comfortable explaining design decisions and tying them to business outcomes.
Tardigrade-level resilience
You have a strong background building products with ambiguous or uncertain problem definition and are able to navigate a team through the chaos with grace and direction. You’re able to demonstrate moments where you have been able to align differing ideas of what is right to the best solution as moments of letting things go in pursuit of progress despite not agreeing fully with the direction itself.

Bonus Points
● 5+ years in product design in complex organizations
● Background in graphic design or brand design
● Strong illustration skills
● Strong motion design skills
● Background in Blender or C4D
● Riding the wave of Stable Diffusion and OpenAI

It’s babbel! Babbel was the world’s first language-learning app and is also the best-selling. Its intuitive lessons, which have led to over 10 million subscriptions being sold, center on learning a language through real-life conversations. Because Babbel is for everyone, its team is as diverse as its content. From headquarters in Berlin and New York, 750 people from more than 60 nationalities represent the backgrounds, characteristics and perspectives that make all humans unique. Creating a true connection with millions of paid subscribers across the globe is what makes Babbel the most profitable language learning app worldwide.

About Babbel

We are looking for a Senior Backend Engineer to join our office in Berlin!
We are building the tools and services to support an increasing number of organizations who are offering our language learning services to their employees. The B2B Platform Team strives to provide the best-in-class configurable and extensible platform to facilitate language learning in the professional workspace. The team accomplishes this by ensuring the platform provides an easy and efficient way to manage memberships and to assign credits to access our learning resources. The team focuses on ways to continue to scale as we add additional learning opportunities for our customers.

• Deliver value iteratively by building and maintaining high-quality apps, services, and tools.
• Take on the technical leadership role in developing your team's initiatives.
• Lead or contribute to architectural design decisions and constantly propose improvements to the overall architecture.
• Support less experienced engineers in the team (and other teams) in their professional growth.
• Collaborate with other teams on feature design, architectural decisions, and assessing technical debt.
• Ensure maintainability, security, and scalability of our software components.
• Take an active role in shaping product development and evolution.
• React, troubleshoot, and solve operational events (bugs and incidents).
• Focus on continuous learning and improvement and drive the evolution of our
engineering practices.

• Experience in designing and building scalable systems and high-performance applications.
• Experience building applications using Ruby / Ruby on Rails / NodeJS or similar.
• Strong knowledge of RESTful API design and third-party API integrations.
• Strong understanding of distributed systems and event-driven architecture.
• Experience using AWS (ECS, API Gateway, Kinesis, Lambda, CloudWatch, S3).
• Testing experience on different levels: unit, integration, etc.
• Strong desire to learn new things and share knowledge with others.
• Experience in mentoring other engineers.
• Fluency in written and spoken English.
• Ability to effectively communicate technical solutions, challenges, or risks to
non-technical people.


Nice to have: 
• Experience with infrastructure-as-code and infrastructure automation, ideally with Terraform.
• Knowledge of analyzing metrics about system health and performance (for example, with DataDog, CloudWatch, PagerDuty, and Rollbar).
• Experience with SQL and NoSQL databases (like MySQL, Postgres, AWS DynamoDB).

Our mission is three simple words. Open is a modern studio designing a new way to practice wellbeing. We combine our hybrid methodology with a social and engaging platform to make mindfulness achievable for all. We engage the senses with music, sound, breath, and movement to create inspiring and meaningful shared experiences on and offline. We are design oriented, inspired by art, and promote the power of the direct experience. We envision a world where everyone, everywhere, Opens everyday.

Based in Venice, our team is committed to creating a driven and diverse company with ambitious people from a wide range of backgrounds. We are looking for people with a strong sense for exceptional products, a keen eye for detail, and an aptitude for learning new technologies. Most importantly, we’re looking for people who are enthusiastic about working with a dynamic group of people to build the future of wellness. 

We're currently focused on streaming immersive classes through our digital platform from our studios in San Francisco and Venice to a growing global audience. Open is supported by Founders Fund (Keith Rabois), Susa, LVMH (Miyuki Matsumoto), Coatue (Arielle Zuckerberg), Slow, SV Angel, Maveron, Jack Dorsey, Adrian Aoun, Ben Rubin (Houseparty), and more.

We're hiring for a Senior iOS Engineer to join our founding team at Open. You will have the opportunity to transform ideas into reality taking end-to-end ownership of our mobile experience and scaling exceptional consumer products from scratch. This is a rare opportunity to build a social product that has the power to transform people's lives for the better.

What You'll Do:
•Define and build a beautiful, impactful, reliable product with the founding team
•Own and build the mobile experience from scratch 
•Keep up-to-date with the industry standards of iOS development
•Debug production issues across multiple levels of stack
•Implement unit tests
•Communicate and collaborate with backend, and operations counterparts
•Scope and prioritize projects
•Help to scale and hire talent across the organization

What You'll Bring:
•7+ YOE building IOS mobile apps.
•Proficiency in Swift, UIkit and Reactive frameworks like Combine, RxSwift, etc.
•Firebase
•SwiftUI
•Experience with writing, releasing, and maintaining mobile code

About ModuleQ
ModuleQ is a leading AI company specializing in delivering hyper-personalized insights to financial institutions. Our Unprompted AI technology provides actionable information to the right person at the right time, without requiring manual prompts. We value innovation, collaboration, and ethical AI development.

Position Overview:
We're seeking an experienced AI/ML Engineer to join our diverse and innovative team. You'll contribute to the development of our cutting-edge Unprompted AI technology, working in a collaborative environment that encourages continuous learning and growth.

Key Responsibilities
As an AI/ML Engineer at ModuleQ, you will:
• Design, develop, and implement machine learning models and algorithms 
• Optimize existing AI systems for improved performance and scalability 
• Collaborate with cross-functional teams to integrate AI solutions into our product ecosystem 
• Conduct data analysis and feature engineering to enhance model accuracy 
• Implement and manage model lifecycle and monitoring systems to track performance, detect anomalies, and ensure model health in production across hybrid or multi-cloud environments 
• Ensure adherence to data security and privacy policies, particularly when training and deploying models with sensitive personal and financial information across hybrid environments 
• Stay current with the latest advances in AI/ML and apply them to our products

Required Qualifications
• Master's or Ph.D. in Computer Science, Machine Learning, or related field 
• 5+ years of experience in developing and deploying ML models in production environments 
• Strong programming skills in Python and familiarity with ML frameworks (e.g., TensorFlow, PyTorch) 
• Experience with natural language processing (NLP) and information retrieval techniques 
• Experience with MLOps, especially model lifecycle management tools, such as Kubeflow, MLflow, or Azure ML pipelines for automating training, deployment, and monitoring processes
• Proficiency in working with large datasets and distributed computing systems 
• Excellent problem-solving skills and ability to work effectively in a remote team environment 

Preferred Skills
• Experience with AI applications in the financial services sector 
• Knowledge of recommendation systems and personalization algorithms 
• Familiarity with Microsoft Azure Machine Learning suite, Microsoft Azure cloud services and Microsoft Teams integration, as well as experience managing models across hybrid or multi-cloud environments
• Understanding of data privacy and security practices in enterprise environments 
• Excellent communication skills, with the ability to present complex technical concepts to a broad cross-functional audience
• Experience in creating clear, concise presentations and documentation for technical and non-technical stakeholders
• Adaptability and eagerness to learn new technologies and methodologies 

What We Offer
• Opportunity to work on innovative AI technology used by Tier 1 Financial Institutions 
• Collaborative work environment with a focus on continuous learning and growth 
• Competitive salary and benefits package 
• Remote-friendly work culture with flexible hours 

Join ModuleQ and help shape the future of AI-driven insights in the financial industry!

Qualified is the conversational sales and marketing platform for revenue teams that use Salesforce. Leading B2B brands such as Adobe, Bitly, SurveyMonkey, ThoughtSpot and VMware trust Qualified to grow their pipeline by tapping into their greatest sales and marketing asset their corporate website to identify their most valuable buyers, understand their intent and instantly start a sales conversation. Customers that use Qualified report a 10X increase in sales meetings, a 4X increase in lead conversion, and a 6X increase in pipeline. Qualified runs natively on Salesforce to give companies a 360-degree view of their website visitors, and is ranked #1 in its category on the Salesforce AppExchange. The company is headquartered in San Francisco, CA.

About Qualified

As a Senior Software Engineer on the Product Team at Qualified, you will tackle technically challenging and ambiguous problems by building exceptional products and enhancing our processes and technology. You will work on integrating LLMs, embeddings, and other AI technologies into our product offerings, pushing the boundaries of what's possible to deliver innovative features and exceptional user experiences. Our product team emphasizes rapid experimentation and iteration, and you will own the end-to-end delivery and success of features—from coding and testing to deployment, monitoring, and customer rollout—while maintaining high standards of engineering and code quality. Additionally, you will work closely with customers, gathering immediate feedback to continuously improve our products and ensure they meet user needs effectively.

Your Responsibilities

• Develop customer-focused applications by building new features, improving existing ones, and creating entirely new products.
• Utilize the latest advances in machine learning, LLMs and other AI technologies to enhance our products and deliver delightful user experiences.
• Collaborate closely with Product Managers, Product Designers, and Platform Engineers to ideate and develop mission-critical applications.
• Conduct rapid prototyping and iterative development to enhance AI solutions based on real-world performance and user feedback.
• Ensure our core functionality is stable, scalable, well-maintained, and continuously improving.
• Continuously grow your technical skills to tackle our toughest challenges related to quality, performance, robustness, and reliability.
• Contribute to our team’s culture and future by mentoring other engineers and setting standards of engineering excellence.
• Support and scale highly-available, highly-trafficked services essential for our customers' time-sensitive, business-critical needs.

Qualifications - Technical Skills
• 5+ years of experience in professional full-stack software development.
• Expertise in working with all components of a modern web application.
• Proficiency in programming languages such as Ruby on Rails, JavaScript, Python, or Go. 
• Proficiency in object-oriented programming, systems design, and working with large-scale, low-latency systems.
• Experience working with SQL and RDBMS (PostgreSQL preferred) and data warehousing solutions.
• Strong software engineering practices, including coding, unit testing, code reviews, and design documentation.
• B.S. or higher in Computer Science (or equivalent work experience).



Qualifications - Business Skills
• Advanced proficiency with English, both written and verbal
• Passionate about crafting innovative, user-centric solutions, solving intricate technical problems, and making a tangible impact.
• Highly curious about engineering beyond immediate discipline with a desire to stay at the cutting edge of applied AI.
• Driven by the challenge of creating elegant, intuitive, and user-friendly products.
• Self-directed, independent, and experienced in owning complete features and products.
• Fearless in stepping outside their comfort zone to tackle various challenges and opportunities as we rapidly grow the product and team.
• Proactive in sharing thoughts and input; we value open communication over a heads-down environment.
• Experience working with Agile methodologies.



Would be a plus
• Experience using frontier-scale LLMs (e.g., GPT, Claude, Gemini) programmatically for developing applications in production environments is a plus.
• Previous experience working within a startup environment or scaling a product/platform is a plus
• Experience architecting applications within a monorepo

As a Senior Backend Engineer, you will play a pivotal role in advancing Qualified’s PipelineAI platform. Utilizing your deep understanding of scientific concepts and technical expertise, you will build systems that improve data interpretation and language processing. Leveraging Large Language Models (LLMs), you will develop foundational frameworks and scalable, reliable building blocks that form the data platform to support various product needs. From ideation through coding, testing, deployment, monitoring, and customer rollout, you will uphold the highest standards of engineering and code quality. Collaborating closely with customers, you will gather immediate feedback to continually refine and improve our platform.

Responsibilities

• Develop and maintain scalable, high-performance backend systems foundational to our product's functionality.
• Determine the best ways to incorporate LLMs, embeddings, and other AI technologies into Qualified’s platform, exploring boundaries and applying new learnings to enhance our product offerings.
• Architect and execute robust ETL pipelines for managing and standardizing data from diverse sources, optimizing these pipelines to support RAG models' training and inference processes efficiently.
• Ensure the core functionality of our product is stable, scalable, well-maintained, and continuously improving, thus fueling business growth.
• Embrace a product-focused mindset to tackle technical challenges related to quality, performance, robustness, and reliability.
• Contribute to our team’s culture and future by mentoring fellow engineers, championing product-focused values, and establishing standards of engineering excellence.

Qualifications - Technical Skills
• 5+ years of experience building modern web applications, with a recent focus on leveraging AI/ML technologies.
• Proficiency in programming languages such as Ruby on Rails, JavaScript, Python, or Go.
• Hands-on experience in AI-driven application development, including experiment setup, dataset curation, model training, offline evaluation, error analysis, deployment, and online evaluation.
• Strong background in data-focused backend development and ETL processes.
• Experience working with SQL and RDBMS (PostgreSQL preferred) and data warehousing solutions.
• Strong software engineering practices, including coding, unit testing, code reviews, and design documentation.
• B.S. or higher in Computer Science (or equivalent work experience).


Qualifications - Business Skills
• Advanced proficiency with English, both written and verbal
• Passionate about crafting innovative, user-centric solutions, solving intricate technical problems, and making a tangible impact.
• Driven by the challenge of creating elegant, intuitive, and user-friendly products.
• Self-directed, independent, and experienced in owning complete features and products.
• Fearless in stepping outside their comfort zone to tackle various challenges and opportunities as we rapidly grow the product and team.
• Proactive in sharing thoughts and input; we value open communication over a heads-down environment.
• Experience working with Agile methodologies.
• High level of curiosity about engineering outside of immediate discipline and ongoing desire to learn and stay at the cutting edge of applied AI


Would be a plus
• Background in working with RAG models.
• Knowledgeable in LLM evaluation metrics such as BLEU, ROUGE, and MAUVE, as well as statistical analysis.
• Previous experience working within a startup environment or scaling a product/platform is a plus
• Experience architecting applications within a monorepo

Orum Inc is a company that operates in the Computer Software industry. The company is headquartered in the United States.

About Orum

Orum is making sales human again through conversations. We are an AI-driven, live conversation platform that accelerates sales teams by empowering salespeople to achieve more. Orum increases sales efficiency, speeds up pipeline growth, and lowers customer acquisition costs for various companies ranging in size from start-ups to large enterprises. Sales teams using Orum see consistent conversations, more meetings booked, and shorter rep ramp time - all while having fun and not burning out. We are beyond excited to hire an empowered, remote-first community to support Orum's next growth phase!

The Senior Full Stack Engineer role is ideal if you like to work across the stack to deliver significant impact with a small team. You'll be in charge of building and owning features end-to-end, taking it through conception, implementation, shipping, and iteration. Examples include routing calls through our event-based SIP Softswitch, displaying real-time call information in our UI over WebSockets, or processing streaming audio for speech recognition.

Our current technology stack includes NodeJS with Typescript, Ruby, Postgres, Google Cloud Platform, and FreeSWITCH.

Must Have
Experience owning a product or feature through its lifecycle - from discovery to deployment
6+ year experience of professional software development experience
3+ years of experience building backend applications with Javascript/Typescript
Experience working with an RDBMS using SQL
Experience building front ends with React
Familiar with Unix shell scripting

Nice To Have
Bachelor's or Master's degree in Computer Science or a related field
Experience measuring and tuning performance of NodeJS applications
Experience with cloud infrastructure programming with one of AWS, GCP, or Azure
Experience building CI/CD pipelines

Despite the significant growth ecommerce has seen over the past few years, more than 80% of purchases still happen offline. Which presents a problem for real-world businesses that have no way to connect their online marketing investments with in-store results. Without a way to measure results, brick-and-mortar merchants are operating decades behind their online counterparts. We created Adentro to level the playing field. Online merchants use a digital cookie to close the loop from impression to purchase with key metrics like the click-through rate. Adentro gives merchants with physical locations the same transparency, allowing them to measure the effectiveness of their online marketing with the Walk-Through Rate. By understanding the bottom-line impact of their marketing, they can make smarter decisions and run more successful businesses

About Adentro

As an experienced Full Stack Developer you will have opportunities to work at all levels of our technology stack, from the customer facing dashboards and back-end business logic, to the high volume data collecting and processing. As a Full Stack Developer you should be comfortable around a range of different technologies and languages, and with the integration of third-party libraries and development frameworks.

• Work with project stakeholders to understand requirements and ideate software solutions
• Design client-side and server-side architectures
• Build front-end applications delivering on usability and performance
• Build back-end services for scalability and reliability
• Write effective APIs and build to third-party APIs
• Adhere to security and data protection standards and requirements
• Instrument and test software to ensure the highest quality
• Monitor, troubleshoot, debug and upgrade production systems
• Write technical documentation

• Proven experience as a Full Stack Developer or similar role
• Comfortable with Golang, Scala, Python, and Kafka, or the desire to learn these technologies
• Experience in front-end web development helping to create customer facing user interfaces; experience with ReactJS a plus
• Familiarity with databases and data warehousing such as PostgreSQL, MongoDB, Snowflake
• Familiarity with Amazon Web Services cloud platform
• Attention to detail, strong organizational skills, and a desire to be part of a team
• Degree in Computer Science, Engineering, or relevant field

Grindr is the world’s largest dating app for gay, bi, trans, and queer people. With around 13 million monthly active users, Grindr has become a fundamental part of the global LGBTQ community, and we take pride in empowering our users to connect, express themselves, and discover the queer world around them. Our next evolution is underway as a newly public company looking to expand and continue to build meaningful experiences for our users. From social issues to original content, we’re blazing innovative paths with impact for our community, all while leveraging the latest tech stacks and striving for engineering excellence. At the heart of our work in this new chapter is a shared set of core values: openness and exploration, a bias for action, and strong support of the LGBTQ community.&nbsp; With a track record of strong financial performance and plans for continued headcount growth, we’re looking to build a team of talented, passionate, and open-minded people who believe in our mission, align with our values, and are excited to work at the intersection of innovative technology and social impact. Come be a part of this exciting journey with us.

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