Staff Back-End Engineer for a Series A Health Tech Startup

We are searching for a Senior Fullstack Engineer to join a fast-growing Series A health technology startup focused on an innovative at-home monthly blood testing and health insights platform. This company has raised over $24 million across three funding rounds, with its latest round in November 2025. 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:
• TypeScript end-to-end
• Express + React Router 7 (web)
• tRPC
• React Native (mobile)
• React Query
• Postgres + Redis

What You’ll Do:
• Own features end-to-end — from design discussion to production rollout and monitoring.
• Ship TypeScript on the web app, Node/Express backend, and/or mobile app.
• Design and build fault-tolerant, HIPAA-compliant services with a strong focus on privacy, security, and stability.
• Document your work so others can move 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 clearly defined.
• Have built 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-maker.
• Understand backend design and data modeling in SQL/Postgres.
• Have written reliable tests with Vitest, Cypress, Jest, etc.

You’re an excellent fit if you…
• Have used AI SDKs (AI SDK, OpenAI, Anthropic, etc.) with production software.
• You have built or maintained HIPAA-compliant or other regulated healthcare software.
• Are comfortable with internal tooling (e.g., Retool) and thorough documentation habits.
• Bring deeper expertise in React Native or sophisticated systems architecture.
• Are comfortable with monorepos.

What They Offer
• Salary: $160k – $210k
• Equity: 0.05 % – 0.25 %
• Benefits: Health, Dental, Vision
• Time Off: Flexible PTO
• Work Setup: Fully remote

This is a Senior / Staff level role. It is fully remote within the U.S. only.

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About the Company:
Palermo Advisors

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