reset - regenerate - outlive

Senior Full Stack Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteTeam 11-50Since 2023Company Site LinkedIn

Location

United States

Posted

18 days ago

Salary

$125K - $200K / year

Bachelor Degree6 yrs expEnglishCloudDistributed SystemsFirebaseJava ScriptJestNext.jsNode.jsPostgre SQLReactReact NativeSQLType Script

Job Description

• Own end-to-end implementation of product features spanning mobile (React Native / Expo), web (Next.js App Router), and backend services (NestJS / Node.js) • Collaborate closely with product and design to translate complex health concepts into clear, usable experiences • Drive technical decisions that balance speed, quality, and long-term maintainability • Build and maintain shared UI and interaction patterns using Tamagui across mobile and web • Implement mobile experiences using React Native (Expo), expo-router, TanStack Query, and offline/background sync patterns • Build web experiences using Next.js (App Router) and React • Integrate payments using Stripe.js and react-stripe-js • Integrate frontend applications with custom authentication hooks backed by Firebase and backend identity services • Consume and evolve REST APIs • Implement analytics (PostHog), error tracking (Sentry), and accessibility best practices • Write and maintain frontend tests using Jest, Vitest, React Testing Library, Playwright, and Detox as appropriate • Design and implement backend services using NestJS (v11) and TypeScript • Build secure, well-validated REST APIs using zod, class-validator, and OpenAPI • Implement authentication and authorization using Google Identity JWT validation and role-based access control • Model relational data using Prisma and Postgres (Cloud SQL) • Implement async and background workflows using Google Cloud Tasks • Integrate with external services such as OCR, scheduling APIs, and third-party data sources • Ensure observability through structured logging, metrics, and Sentry • Write unit and integration tests using Jest • Act as a senior individual contributor, setting quality bars through code, reviews, and architectural decisions • Partner closely with infrastructure and DevOps engineers to ensure reliable deployments • Identify opportunities to simplify systems and reduce operational overhead • Contribute to evolving engineering standards, patterns, and best practices • Mentor mid-level engineers as the team grows

Job Requirements

6+ years of professional software engineering experience
Strong experience across frontend and backend development
Production experience with React (web and/or React Native)
Strong experience with Node.js and TypeScript
Experience designing and consuming REST APIs
Solid understanding of relational data modeling and ORMs
Strong grasp of authentication, authorization, and security fundamentals
Comfort working in small teams with high ownership and autonomy
Ability to lead or follow as the moment calls for
Familiarity with design patterns of distributed systems

Benefits

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.