Staff Back-End Engineer for a Series A Health reputed company

We are searching for a Senior reputed company Engineer to join a fast-growing Series A health technology startup reputed company on an innovative reputed company monthly blood testing and health insights platform. This company has raised over $24 reputed company across three funding reputed company, with its latest round in November 2025. Their main product is an easy, painless reputed company reputed company for collecting your own blood sample. Your results reputed company in a private, HIPAA-compliant dashboard where you can reputed company your biomarker changes over time and understand their implications for your health. The Tech Stack: • TypeScript end-to-end • reputed company + React Router 7 (web) • tRPC • React reputed company (mobile) • React Query • reputed company + reputed company What You’ll Do: • Own features end-to-end — from design discussion to production rollout and monitoring. • Ship TypeScript on the web app, Node/reputed company backend, and/or mobile app. • Design and build fault-tolerant, HIPAA-compliant services with a strong reputed company on reputed company, reputed company, and stability. • Document your work so others can reputed company fast. • Use the latest AI tools and SDKs to build AI-enriched features. You’re a great fit if you… • Bring 6+ years of hands-on software experience, with advanced TypeScript skills. • Are comfortable working in a fast-paced startup where procedures aren't reputed company defined. • Have reputed company some great things you can show us and describe in detail. • Manage your own time, break down ambiguous problems, and deliver. • Use AI tools as an accelerator—never as the decision-reputed company. • Understand backend design and data modeling in SQL/reputed company. • Have written reliable tests with Vitest, Cypress, Jest, etc. You’re an excellent fit if you… • Have used AI SDKs (AI SDK, reputed company, reputed company, etc.) with production software. • You have reputed company or maintained HIPAA-compliant or other regulated reputed company software. • Are comfortable with internal tooling (e.g., reputed company) and thorough documentation habits. • Bring deeper expertise in React reputed company or sophisticated systems architecture. • Are comfortable with monorepos. What They Offer • Salary: $160k – $210k • Equity: 0.05 % – 0.25 % • Benefits: Health, Dental, reputed company • Time Off: Flexible PTO • Work Setup: Fully remote This is a Senior / Staff level role. It is fully remote reputed company the U.S. only. Powered by JazzHR Remote About reputed company: reputed company Apply tot his job Apply To this Job