Product Engineer

About the Role A fast-moving, pre-seed healthtech startup building a modern preventive health platform is looking for a highly autonomous Product Engineer to join their small team in Berlin. The platform combines advanced biomarker diagnostics, clinician-reviewed health plans, AI-powered concierge experiences, and interactive customer dashboards into a single seamless product. This is a founder-mode role — no PMs, no hand-offs, no tickets handed to you. You'll work directly with the founders, own features end-to-end, and ship real product from day one. What You'll Do Ship product end-to-end across the web app, backend, and third-party integrations (lab partners, supplement manufacturers) Build and iterate on customer-facing experiences: biomarker dashboards, personalised action plans, and subscription flows Own and improve engineering infrastructure and AI development tooling as the product scales Work directly with the founding team to translate product vision into working software — fast What We're Looking For Required Up to 1 year of software development experience, with shipped, real-world software — startup, founder, or indie hacker contexts are a strong signal Hands-on experience with modern AI development workflows and tooling (e.g. Cursor, Claude Code, evals, agentic pipelines) Experience designing and implementing customer-facing dashboards and subscription flows for web applications Experience building API integrations with external partners (e.g. lab or manufacturing providers) Genuine full-stack capability: comfortable owning frontend, backend, and integrations without relying on specialists Professional working proficiency in English Ability to operate autonomously in a high-trust, low-process environment Nice to Have Proficiency in TypeScript and Next.js (or equivalent); experience with React , PostgreSQL , Supabase , and Vercel Genuine interest in or background relating to preventive health, longevity, or biomarker science Compensation & Benefits Salary: €36,000 – €48,000 per year Early-stage equity opportunity (details discussed during interview process) Direct collaboration with founders and meaningful ownership over product direction Location Berlin, Germany — on-site, five days per week. This is a firm requirement. Candidates must be eligible to work in Germany without employer visa sponsorship. Visa sponsorship is not available. Find more English Speaking Jobs in Germany on Arbeitnow