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Senior Full Stack Engineer

Remote

Join Outlive

Help Build the Operating System for Better Long-Term Health

Outlive is translating the principles of Medicine 3.0 into a practical, evidence-based product that helps people change the trajectory of their health. We focus on what matters most. Setting meaningful long-term goals, understanding the risks that can get in the way, and selecting the tactics that move the needle. Our approach is grounded in the ideas Peter Attia has spent his career developing. A deliberate practice with clear metrics and truly personalized plans that extend healthspan, not just lifespan. 

We’re building a system that takes the essential pillars of long-term health and makes them actionable. Our goal is simple. Give people a structured way to understand where they are today, what levers truly matter, and how to make durable progress over time.

Why Outlive

You will shape the foundation, not optimize at the margins

We’re in the earliest stages of building something that doesn’t exist anywhere else. There are no templates. No inherited systems. The work requires people who want to solve first-principles problems and create frameworks built to last.

Science and design sit at the center of everything

We aim to convey complex ideas with clarity and precision. That means pairing rigorous scientific thinking with thoughtful, intuitive design; so users can understand why something matters and how to act on it.

AI is part of how we work 

The product itself is grounded in science and behavior change. But as a team, we use AI to think, test, draft, explore, and accelerate our work. It’s a tool that enhances judgment and craftsmanship, not a replacement for either.

We care about rigor, honesty, and high standards

The team is small, driven, and aligned around a shared goal: build something that meaningfully improves long-term health. We challenge ideas respectfully, expect clear reasoning, and operate with a bias toward action. Precision matters. So does integrity.

Role Overview

Outlive is building a mobile-first digital health platform focused on long-term risk reduction, personalized health intelligence, and sustainable behavior change. As a Senior Full Stack Engineer, you’ll play a critical role in shaping and delivering product experiences across mobile, web, and backend services.

This role is ideal for a senior engineer who is strongest in one area (frontend or backend) but highly capable and opinionated across the stack. You’ll own features end-to-end—from user experience and data modeling to API design and deployment—while helping establish high engineering standards in a HIPAA-aware environment.

Responsibilities

Product & Feature Development

  • 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

Frontend (Mobile & Web)

  • 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

Backend & APIs

  • 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

Collaboration & Technical Leadership

  • 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

Required Qualifications

  • 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

Preferred / Nice-to-Have

  • Hands-on experience with React Native (Expo)
  • Production experience with NestJS
  • Familiarity with Google Cloud Platform
  • Experience in healthcare, wellness, or other regulated domains
  • Experience implementing offline-first or background processing features
  • Strong accessibility and UX quality sensibilities

What Success Looks Like (First 6–12 Months)

  • Ships meaningful product features end-to-end across mobile, web, and backend
  • Improves consistency and quality across shared frontend patterns
  • Strengthens API design, validation, and error handling
  • Reduces friction between frontend and backend integration
  • Raise the overall engineering bar through thoughtful execution and mentorship
  • Measure and utilize product metrics to drive real customer value

 

Expected Pay Range

$125,000 - $200,000 USD

What We Offer

  • 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.

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