[Remote] Senior Full Stack Engineer - Future Openings

Note: The job is a remote job and is open to candidates in USA. Outlive is a company focused on building a mobile-first digital health platform aimed at long-term risk reduction and personalized health intelligence. As a Senior Full Stack Engineer, you will be responsible for the end-to-end implementation of product features across mobile, web, and backend services, while also establishing high engineering standards in a HIPAA-aware environment.ResponsibilitiesOwn 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 experiencesDrive technical decisions that balance speed, quality, and long-term maintainabilityBuild and maintain shared UI and interaction patterns using Tamagui across mobile and webImplement mobile experiences using React Native (Expo), expo-router, TanStack Query, and offline/background sync patternsBuild web experiences using Next.js (App Router) and ReactIntegrate payments using Stripe.js and react-stripe-jsIntegrate frontend applications with custom authentication hooks backed by Firebase and backend identity servicesConsume and evolve REST APIsImplement analytics (PostHog), error tracking (Sentry), and accessibility best practicesWrite and maintain frontend tests using Jest, Vitest, React Testing Library, Playwright, and Detox as appropriateDesign and implement backend services using NestJS (v11) and TypeScriptBuild secure, well-validated REST APIs using zod, class-validator, and OpenAPIImplement authentication and authorization using Google Identity JWT validation and role-based access controlModel relational data using Prisma and Postgres (Cloud SQL)Implement async and background workflows using Google Cloud TasksIntegrate with external services such as OCR, scheduling APIs, and third-party data sourcesEnsure observability through structured logging, metrics, and SentryWrite unit and integration tests using JestAct as a senior individual contributor, setting quality bars through code, reviews, and architectural decisionsPartner closely with infrastructure and DevOps engineers to ensure reliable deploymentsIdentify opportunities to simplify systems and reduce operational overheadContribute to evolving engineering standards, patterns, and best practicesMentor mid-level engineers as the team growsSkills6+ years of professional software engineering experienceStrong experience across frontend and backend developmentProduction experience with React (web and/or React Native)Strong experience with Node.js and TypeScriptExperience designing and consuming REST APIsSolid understanding of relational data modeling and ORMsStrong grasp of authentication, authorization, and security fundamentalsComfort working in small teams with high ownership and autonomyAbility to lead or follow as the moment calls forFamiliarity with design patterns of distributed systemsHands-on experience with React Native (Expo)Production experience with NestJSFamiliarity with Google Cloud PlatformExperience in healthcare, wellness, or other regulated domainsExperience implementing offline-first or background processing featuresStrong accessibility and UX quality sensibilitiesBenefits100% 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 plansAdditional HSA and FSA spending account plans for employees401(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.Company OverviewOutlive is building the operating system for Medicine 3.0, helping people take ownership of their future health by turning longevity science into daily, personalized action. It was founded in 2026, and is headquartered in , with a workforce of 2-10 employees. Its website is https://outlive.com.