Senior Software Engineer

Senior Software Engineer (fullstack + product-minded)New York City (Onsite)$200,000 - $300,000 + equityAbout the CompanyWe’re working with a consumer health / biotech startup building a better model of human biology to challenge how pharma, insurers and healthcare work today. They’ve built an at‑home blood diagnostic, are live with multiple clinics, and are now pushing towards digital‑twin style products.About the RoleHigh‑ownership full‑stack role for someone who likes taking ideas from vague brief to shipped, measurable features. You’ll work directly with the founders, pulling context from sales, marketing and customer conversations so what you ship is grounded in data, not guesswork.ResponsibilitiesOwn product areas across the stack, from APIs and systems to customer‑facing UIDesign, build and ship features for clinics and, soon, consumersInstrument what you ship and use analytics to decide what to do nextHelp define engineering culture, process and standards as the team growsQualificationsHave worked at a startup (can talk clearly about products you’ve built and the impact they had)Are strongest on systems / backend, with enough frontend to move fastPrefer “I built…” to “my team worked on…”, and enjoy real ownershipLike scrappy, high‑agency, high‑bar engineering environmentsPreferred SkillsExperience integrating external APIs, analytics or AI featuresAny exposure to biology, diagnostics or healthtech (not required)Why join?Work on an ambitious healthcare problem with real clinic usage alreadySmall, intense, low-ego founding team with serious technical chops + 2nd time founder with a successful exitHuge ownership: real influence on product and engineering cultureDeeply AI-forward environment