Job Description
We are searching for a Senior Mobile Engineer to join a fast-growing Series A health technology startup focused on at-home monthly blood testing and health insights. They have raised a total of over $24 million across three funding rounds, with its latest round in November 2025 raising $19 million. Their main product is an easy, painless at-home kit for collecting your own blood sample. Your results appear in a private, HIPAA-compliant dashboard where you can track your biomarker changes over time and understand their implications for your health. The Tech Stack: β’ TypeScript end-to-end β’ Express + React Router 7 (web) β’ tRPC β’ React Native (mobile) β’ React Query β’ Postgres + Redis What Youβll Do: β’ Own features end-to-end β from design discussion to production rollout and monitoring. β’ Ship TypeScript on React Native. β’ Document your work so others can move fast. β’ Be a great generalist across React Native OR an expert in a few areas. βββββββ Youβre a great fit if youβ¦ β’ Bring 4+ years of hands-on software experience, with advanced and React Native TypeScript skills. β’ Are comfortable working in a fast-paced startup where procedures aren't clearly defined. β’ Have built some great things you can show us and describe in detail. β’ Manage your own time, break down ambiguous problems, and deliver. β’ Use AI tools as an acceleratorβnever as the decision-maker. β’ Are not submitting an AI resume. (If you are human, please say so in your application) Youβre an excellent fit if youβ¦ β’ Have experience with Kotlin/Swift and native mobile development. β’ Are comfortable with monorepos. βββββββ What They Offer β’ Salary: $120k β $200k β’ Equity: 0.05 % β 0.25 % β’ Benefits: Health, Dental, Vision β’ Time Off: Flexible PTO β’ Work Setup: Fully remoteβββββββ Apply tot his job