About the Role
We're a fast-moving, pre-seed healthtech startup building a modern preventive health platform — combining advanced diagnostics, biomarker-driven insights, AI-powered concierge experiences, and personalized health dashboards into one seamless product. We're looking for a highly autonomous Product Engineer to join us on-site in Berlin and help shape the product from the ground up.
This is a founder-mode role: no PMs, no hand-offs, no tickets handed down from above. You'll work directly with the founding team, own features end-to-end, and ship real product that reaches real users.
What You'll Do
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Ship product end-to-end across the web app, backend, and third-party integrations (lab partners, supplement manufacturers)
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Build and iterate on customer-facing experiences — biomarker dashboards, personalized action plans, and subscription flows
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Own engineering infrastructure and AI development tooling as the team and product scale
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Work directly with the founders to translate product ideas into working software, fast
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Integrate external APIs from lab and manufacturer partners into a cohesive platform experience
What We're Looking For
Required:
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Up to 1 year of software development experience — what matters most is that you've shipped real software, ideally in a startup, founder, or indie-hacker context
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Hands-on experience with modern AI development workflows and tooling (e.g., Cursor, Claude Code, agentic workflows, evals)
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Demonstrated experience designing and building customer-facing dashboards and subscription flows for web applications
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Experience building integrations with external partners via APIs
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Full-stack ownership mindset — comfortable across frontend, backend, and integrations
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Professional working proficiency in English
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Ability to operate autonomously in a fast-paced, founder-style environment
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Must be eligible to work in Germany without employer visa sponsorship (no sponsorship available)
Nice to Have:
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Proficiency in TypeScript and Next.js with React and PostgreSQL; familiarity with Supabase and Vercel is a plus
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Genuine interest or background in preventive health, longevity, or biomarker science
Compensation & Benefits
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Salary: $36,000 – $48,000 per year
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Early-stage equity opportunity in a growing healthtech company
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Direct collaboration with founders and a high degree of ownership from day one
Location
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Berlin, Germany — fully on-site, five days per week (non-negotiable)
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Visa sponsorship is not available; candidates must have existing authorization to work in Germany
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