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Typescript

GraphQL

Rare Days

Lead Fullstack Engineer

Tableau

Looker

Power BI

Extract Transform Load (ETL)

Ostro

Data & Analytics Specialist

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Kafka

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Postgres

Kubernetes

HYROX

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CI/CD

Playwright

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Paragon

Quality Assurance Automation Engineer

Machine Learning

LangChain

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NestJS

LoanLight

Senior Engineer

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Addepar

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Sigma

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Terraform

Senior SRE

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Claude Code

Staff Backend Software Engineer - Portfolio Data Workflows (ME)

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Order.co

Senior Fullstack Engineer

Sr Software Engineer - Portfolio (Backend)

Cursor

Anthropic Claude APIs

Transfix

Product Manager

Salesforce

Jira

Portfolio Operations Analyst (KB)

Engineering Manager, Portfolio Services

Sr Fullstack Software Engineer - Portfolio Data Workflows (ME)

Staff Software Engineer - Portfolio Services (CW)

Microservices

Sr Software Engineer - Platform (Backend)

Redis

Senior Backend Engineer

Scrum Methodology

BRYSK Solutions, Inc.

Technical Project Manager 

PySpark

Data Engineering Manager

Databricks

Excel automation

Lead, Data Analyst

Node

Goodtime

Database Reliability Engineer 

Site Reliability Engineer

Portfolio Data Analyst, Portfolio Data Feeds (JL)

Portfolio Data Engineer

Lambda

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DataDog

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Grindr

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Protiviti-Simpson

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Chef

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Claude Sonnet

Cloudflare

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Today is a day like no other.Right now – in this particular moment in time – you're at the point where your growth has generated countless opportunities. Your years of creating, connecting, and building have led to the chance to transform today's influence into tomorrow's legacy. This is bigger than content calendars and sponsorship deals. Bigger than algorithms and engagement metrics. This is about building something that’s yours. Something created on your terms that shapes your own destiny. These opportunities don't wait. They don't announce themselves. They require real work to uncover, but they are there if you have the courage and conviction to grab them. Because you're not just a creator. You're an entrepreneur who has chosen the path less taken. Beyond the endless content treadmill. Beyond trading your time and creativity for views. You see the other route — the one where you build something permanent in a world obsessed with the temporary. That's why we exist. Not to hand you a template or tell you what worked for others will work for you. But to understand your singular vision, to see the future you want to build, and to help you create something your audience is as excited about as you are. These days won't last forever. But what we build together just might. That's what makes these days rare. Let's make ‘em count.

About Rare Days

We are hiring an Engineering Lead with deep backend expertise and strong fluency across modern web stacks. This role is ideal for someone who thrives on technical challenges, loves building scalable systems, and enjoys collaborating with product, design, and client teams.
You'll work both independently and with small teams, depending on the project, write production code, and play a key role in steering technical direction.

About The Role

Technical Leadership & Development

● Design and build AI-powered tools and automations that streamline internal business processes (HR, Finance, etc.), working directly with stakeholders to identify opportunities
● Evaluate where LLM orchestration, chat interfaces, or multimodal AI genuinely adds value versus where standard software engineering is the right answer
● Design async processing pipelines, batch workflows, and decoupled service architectures suited to internal tooling at scale
● Oversee day-to-day engineering work, keeping the team unblocked and aligned on priorities
● Architect scalable backend systems using languages and frameworks such as Python and Java. Experience with Kotlin is a plus.
● Contribute to frontend work using React and TypeScript as needed
● Drive decision-making around performance, scalability, and system design
● Write clean, maintainable code and ensure engineering best practices are followed
● Lead technical documentation, sprint planning, and ongoing delivery

Collaboration & Client Engagement

● Partner with product managers and designers to define and scope solutions
● Lead client-facing conversations around technical strategy and progress
● Present work during demos, milestone check-ins, and roadmap reviews
● Balance business needs with technical feasibility in collaborative planning sessions

Team Mentorship & Culture

● Provide regular feedback and guidance to engineers
● Contribute to hiring, onboarding, and leveling processes
● Help foster a strong, inclusive engineering culture rooted in transparency and accountability
● Identify opportunities to improve our tools, processes, and technical standards

What You’ll Do

● 7+ years of professional engineering experience
● English proficiency
● Familiarity with AI/LLM integration patterns: orchestration frameworks, MCP, output quality management, and prompt engineering
● You can take a vague brief, ask the right clarifying questions, form a plan, and deliver a working system without heavy supervision
● You've built real systems end-to-end before and can point to specific examples. Past experience with internal tools or automation platforms is a strong plus.
● Experience with access control design (RBAC, zero trust principles), data sensitivity considerations, and API gateway patterns
● Experience with Python and Java, including system architecture and performance optimization, is required. Kotlin experience is a plus.
● Strong knowledge of React, NextJS, and TypeScript
● Backend experience with APIs, databases (SQL/NoSQL), cloud services (AWS, GCP), and distributed systems
● Experience with service-oriented architecture, API gateway patterns, and inter-service communication (GraphQL, gRPC, or similar)
● You can communicate effectively with both technical and non-technical audiences and are comfortable leading presentations and deep-dive technical discussions
● You understand how to compromise on business trade-offs and technical decisions
● You can design and communicate robust, scalable technical solutions that our internal and client teams understand and want to work on
● You're comfortable dealing with uncertainty and are capable of disambiguating complex scope and domains to your team
● You care about people and are motivated to help your team members achieve success on projects.

Bonus

● Experience with LLM orchestration, agent frameworks, or building AI-augmented internal tools
● Opinions (even contrarian ones) on the current AI tooling landscape
● Experience building creator platforms, media tools, or community-driven products
● Interest in developer experience, automation, or DevOps tooling 

What You’ll Bring

At Ostro, our mission is to help millions of people live healthier lives by being the missing, caring link between those who make medicines, treatments, and diagnostics, and those who take them. We create personalized healthcare journeys that boost engagement and drive improved value for consumers, HCPs, and life sciences brands.

About Ostro

We are seeking a qualified Data & Analytics Analyst to join our team at Ostro. 

Collect, clean, and analyze datasets from multiple sources to support decision-making.
Design, build, and maintain dashboards and reports that track KPIs and business performance.
Conduct monthly data analysis, highlighting trends and actionable insights.
Create clear and compelling PowerPoint presentations to communicate findings to stakeholders.
Partner with cross-functional teams to identify analytical needs and deliver data-driven solutions.
Translate complex analyses into clear, concise insights for both technical and non-technical audiences.
Ensure data integrity, accuracy, and consistency across systems and reporting.
Stay current on analytics best practices, emerging tools, and industry trends.

Required Qualifications: 

3+ years of experience in a data analytics, business intelligence, or related role.
Proficiency in SQL for querying and analyzing datasets.
Advanced Excel skills for analysis and reporting.
Experience with at least one analytics/BI tool (e.g., Tableau, Power BI, Looker).
Strong knowledge of statistical analysis.
Proficiency in creating presentations (PowerPoint/Google Slides) to share insights.
Excellent problem-solving skills and strong attention to detail.
Strong communication skills with the ability to present insights to diverse audiences.

Preferred Qualifications:
Experience with a data transformation tool like dbt.
Experience with GCP (Google Cloud Platform).
Knowledge of ETL processes and data pipeline management.
Experience with Metabase, Netspring, and Posthog.
Experience working in life sciences.

HYROX combines both running &amp; functional workout stations, where participants run 1km, followed by 1 functional workout station, repeated eight times. Each race is hosted indoors in expansive exhibition halls, creating an immersive and electrifying race, where your spectators can support you from the very beginning to the very end. This race format remains consistent across the globe, enabling global leaderboards &amp; a cumulative World Championships at the end of each race season. Accommodating both professional athletes, and everyday fitness enthusiasts looking to take their training to the next level, HYROX is the sport for everybody.

About HYROX

We are looking for a skilled and motivated Senior Java Developer to join our engineering team and work closely with our Senior Software Architect. In this role, you will contribute to the design, development, and delivery of high-performance Java-based systems running on our own hosted bare metal infrastructure.

This is a hands-on technical role suited to a developer who thrives in a collaborative environment, takes ownership of complex features, and wants to grow alongside a senior technical leader. You will work across microservices, APIs, and data-intensive systems while contributing to a culture of engineering excellence.

Development & Delivery
• Design, develop, and maintain Java-based microservices and APIs in alignment with architectural standards set by the Senior Software Architect.
• Implement scalable, resilient, and secure application components across distributed systems.
• Participate in architecture and design discussions, contributing technical proposals and implementation feedback.
• Write clean, well-tested code with a focus on quality, consistency, and long-term maintainability.
• Contribute to technical documentation, including design specs, API contracts, and runbooks.

Collaboration & Technical Partnership
• Work closely with the Senior Software Architect to translate architectural decisions into working, production-grade software.
• Collaborate with the DevOps team on deployment processes, CI/CD pipelines, and bare metal infrastructure requirements.
• Participate in code reviews, providing and receiving constructive technical feedback.
• Engage with cross-functional teams including Product, QA, and Security to deliver well-rounded solutions.

Quality & Continuous Improvement
• Champion testing best practices — unit, integration, and performance testing.
• Identify and resolve performance bottlenecks and system reliability issues.
• Stay current with Java ecosystem developments and contribute recommendations for tooling and framework improvements.

Education & Experience
• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• 5+ years of professional software development experience in Java-based backend systems.
• Demonstrable experience delivering production-grade services in a microservices or distributed systems context.

Technical Skills
• Strong proficiency in Java (Java 11+), Spring Boot, and the Spring ecosystem.
• Solid experience building and consuming RESTful APIs and event-driven systems using Kafka.
• Familiarity with on-premises and bare metal infrastructure concepts — an understanding of how applications deploy and operate in self-hosted environments.
• Experience with Kubernetes containerisation technologies in self-hosted or hybrid environments.
• Working knowledge of PostgreSQL relational databases and associated query optimisation practices.
• Exposure to Redis, caching patterns, and data warehouse concepts is a plus.
• Familiarity with security fundamentals, OAuth2/OIDC, and compliance considerations (SOC 2, GDPR).
• Experience with CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.

Soft Skills.
• Clear communicator — able to articulate technical decisions and trade-offs to peers and non-technical stakeholders.
• Strong problem-solving approach with a pragmatic mindset: focus on delivering working solutions, not theoretical perfection.
• Collaborative by nature, comfortable working under the direction of an architect while also exercising independent technical judgement.

Paragon is the leading integration infrastructure platform for AI. Companies like Zendesk, Postman, and Five9 use Paragon to power integrations for agent tool calling, RAG ingestion, and more. With 130+ pre-built connectors, fully-managed authentication, and embedded SDK / APIs designed for native product integrations, Paragon helps developers scale integrations 10x faster than building in-house.

About Paragon

Paragonʼs Workflow Engine gives customers a way to build, run, and manage complex workflows on top of their integrations. These workflows often involve triggers, branching logic, retries, asynchronous execution, third-party APIs, and failure handling across multiple systems.

Quality on this team is not just about checking UI flows. It means validating that workflows behave correctly end-to-end, including execution state, retry behavior, scheduling, error handling, and the product experience customers use to build and debug workflows. Weʼre looking for a QA Automation Engineer who can raise the quality bar across this surface
area through strong Playwright-based automation, backend and API validation, and a sharp eye for edge cases in complex systems.


Why this role matters
The Workflow Engine is one of the more complex parts of our product. It sits at the intersection of product UX, backend systems, integrations, and asynchronous execution. Small issues can turn into confusing customer experiences or hard-to-debug failures.
This role is important because it helps us ship faster with more confidence. We want someone who can improve coverage on the paths that matter most, catch subtle regressions before they reach customers, and make quality a stronger part of how the team builds every day.

What success looks like
In the first few months, a strong hire will ramp up on the Workflow Engine architecture, understand the major failure modes, and start contributing meaningful automated coverage
quickly. Over time, they will become a key quality owner for the team by improving end-to-end test coverage, increasing trust in CI, reducing flaky tests, and helping engineers ship changes to the Workflow Engine with confidence.

• Build and maintain automated test coverage for the Workflow Engine using Playwright
• Validate critical product flows end to end, from workflow creation and configuration through execution and debugging
• Test backend services, APIs, webhooks, and asynchronous workflow behavior in addition to UI flows
• Design coverage for complex scenarios including retries, branching logic, partial failures, race conditions, scheduling, and long-running execution
• Partner closely with engineers and product managers to improve testability, clarify acceptance criteria, and catch issues earlier in the development cycle
• Improve the quality of our CI signal by reducing flakiness, increasing reliability, and making failures easier to debug
• Build reusable fixtures, test data setup, helpers, and tooling that make automation easier to write and maintain
• Investigate product issues and test failures deeply to identify root cause and prevent recurring regressions
• Help define the quality strategy for one of the more complex parts of the Paragon platform 

• Strong hands-on experience with Playwright and end-to-end automation for complex product flows
• Experience testing backend systems, APIs, and asynchronous or event-driven workflows
• Strong debugging skills across browser tests, APIs, logs, and distributed system behavior
• Ability to reason through stateful systems and edge cases like retries, timing issues, duplicate events, partial failures, and long-running jobs
• Experience building and maintaining stable automation in CI/CD environments
• Strong coding skills and comfort working in a modern engineering codebase
• Ability to work closely with engineers and act as a quality owner, not just a test executor
• Clear communication and sound product judgment around risk, coverage, and release quality

Nice to have
• Experience with TypeScript
• Experience testing workflow, orchestration, or automation products
• Experience testing integrations, webhooks, and third-party APIs
• Experience building reusable Playwright frameworks, fixtures, or internal testing tools
• Experience with observability tools and production debugging
• Experience with performance or reliability testing


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