Senior Full-Stack Engineer

Job title:

Senior Full-Stack Engineer

Company:

Flyer One Ventures

Job description

is building an AI co-pilot for lifestyle-driven chronic conditions. They began by addressing women’s metabolic health – starting with PCOS, a condition affecting nearly 20% of women worldwide and a leading cause of female infertility.In the last 8 months, they’ve grown 1000% – scaling their ARR from $250K to $2.5M – and kicked off our B2B expansion by partnering with six clinics.Your roleWe’re seeking a skilled Full-Stack Engineer to help scale our platform for millions of users managing metabolic health conditions, including PCOS, diabetes, and IBS. This is an ideal role for a Senior engineer who wants to stay deeply involved in code.You will be the owner of the success of product features – you’ll work with the product counterparts to ensure that the requirements are clear, and then follow up with owning the feature delivery end-to-end.About you:

• 3+ years of full-stack or backend engineering experience, with expertise in Node.js, TypeScript, and PostgreSQL.
• Solid command of frontend and mobile development, including React and the Expo framework—able to build and ship features across the full stack.
• Ability to write production code, review pull requests, and build rapid prototypes for testing ideas or validating demand.
• Comfortable managing both local and remote engineers, with excellent communication and leadership skills.
• Knowledge of DevOps and cloud infrastructure, including GCP, Redis, CI/CD (GitLab preferred), and monitoring (Grafana).
• Proven experience with complete ownership of feature delivery, including experience leading agile processes (standups, retros, sprint planning) and ensuring predictable, on time, on scope delivery.
• Hands-on experience setting up test frameworks and building test coverage from 0 to 1.
• Proficiency with analytics and instrumentation tools, including Amplitude, GA4, and basic data debugging.
• Very good communication skills in English, both written and in person – be able to explain a problem or challenge to a stakeholder over a call, or through slack – and ensure that you have a resolution.

Would be a plus:

• Hands-on experience with React Native.
• Experience with healthcare, wearables, or chronic condition platforms.
• Prior experience introducing AI tools for engineering velocity (e.g., Copilot, Cursor, codegen pipelines).
• Passion for building solutions that help people manage chronic health conditions using real-time data.

What you will do:

• You’ll define and own the technical backbone of a fast-growing health-tech company solving critical real-world problems.
• You’ll stay close to code while influencing architecture, delivery processes, and team culture.
• You’ll have the opportunity to grow into a Team Lead role as the team scales.
• Your work will empower people with metabolic disorders like PCOS, diabetes, NAFLD, and IBS to regain control of their health using data from wearables and AI.
• You’ll shape the next generation of AI-enabled developer workflows, boosting productivity through modern tools and smart automation.

What do we offer:

• Generous PTO: Take the time you need to stay fresh and inspired.
• Competitive Compensation: Salary plus benefits to match your experience and dedication.
• Fast-Paced Growth: In the last eight months, we’ve grown 1000%—scaling our ARR from $250K to $2.5M
• Impactful Work: Every feature you ship has the potential to improve someone’s quality of life.
• Collaborative Culture: Work cross-functionally with product, design, and business teams who are all rowing in the same direction.

Join us!

Expected salary

Location

Warszawa, mazowieckie

Job date

Sat, 26 Jul 2025 22:01:23 GMT

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