[Remote] Senior Product Engineer, React Native + Backend (Contract)

Note: The job is a remote job and is open to candidates in USA. Base is a platform for in-real-life social connection and community. They are seeking a senior, hands-on engineer to audit and stabilize a consumer mobile product and its internal admin tool, HomeBase, focusing on React Native, TypeScript, and backend APIs.ResponsibilitiesAudit the React Native and TypeScript mobile app and the related HomeBase admin flowsReview backend and API structure, database models, and the business logic around bookings, guests, cancellations, refunds, credits, and notificationsIdentify technical debt, broken workflows, security risks, stale code, and missing testsReview Linear and project artifacts, and compare planned work against actual implementationProduce a prioritized technical recovery planShip or supervise one small but meaningful stabilization fix during the engagementRecommend the exact team needed to continue: mobile, backend, data, QA, design, or fractional CTOSkillsSenior or staff-level experience with React Native and TypeScriptStrong backend experience with APIs and relational databasesExperience with payments, refunds, booking systems, marketplaces, memberships, or operational and admin toolingThe ability to read messy code and make judgment calls quicklyStrong written communication: you can explain risks clearly to a non-technical founder or operatorComfort working without perfect specsExperience with Metabase or analytics cleanupExperience migrating away from NativeBase, NativeWind, or inconsistent styling systemsExperience with mobile release pipelines, QA automation, push notifications, and email workflowsPrior startup rescue, code audit, or fractional CTO experienceCompany OverviewBase is a membership club that brings together brilliant minds for customized social activities. It was founded in 2022, and is headquartered in Miami, Florida, USA, with a workforce of 2-10 employees. Its website is https://www.base.club.