Design and implement backend services using NestJS (v11) and TypeScript
Build secure, well-validated REST APIs using zod, class-validator, and OpenAPI
Implement role-based access control and JWT validation using Google Identity
Model and manage relational data using Prisma and Postgres
Implement background jobs and async workflows using Cloud Tasks
Integrate with external services (OCR, scheduling APIs, third-party data sources)
Ensure observability through structured logging, metrics, and Sentry
Write unit and integration tests using Jest
Collaborate closely with frontend and infra engineers on system design and deployment

5+ years of backend engineering experience
Strong experience with Node.js and TypeScript
Production experience with NestJS or similar structured backend frameworks
Experience designing APIs and data models for complex domains
Familiarity with relational databases and ORMs
Strong security mindset, especially around auth and data access
Experience optimizing Postgres data interactions
Strong familiarity with building distributed systems, related practical design considerations, and patterns for scaling such systems in the cloud

100% employer-paid medical, vision, and dental insurance (multiple plans available).
100% employer-paid life insurance, short-term, and long-term disability insurance.
Employer-sponsored HSA contributions for HDHP medical plans
Additional HSA and FSA spending account plans for employees
401(k) with a 5% company match.
Generous PTO and holiday schedule.
Company-issued technology and work-from-home stipend.
A chance to shape a product, and a company, from the ground up.
The opportunity to work at the forefront of health and longevity science with a team of world-class professionals dedicated to precision, mastery, and excellence.

Backend Engineer – Node.js, NestJS

Key skills