[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.

Responsibilities

• Audit the React Native and TypeScript mobile app and the related HomeBase admin flows
• Review backend and API structure, database models, and the business logic around bookings, guests, cancellations, refunds, credits, and notifications
• Identify technical debt, broken workflows, security risks, stale code, and missing tests
• Review Linear and project artifacts, and compare planned work against actual implementation
• Produce a prioritized technical recovery plan
• Ship or supervise one small but meaningful stabilization fix during the engagement
• Recommend the exact team needed to continue: mobile, backend, data, QA, design, or fractional CTO

Skills

• Senior or staff-level experience with React Native and TypeScript
• Strong backend experience with APIs and relational databases
• Experience with payments, refunds, booking systems, marketplaces, memberships, or operational and admin tooling
• The ability to read messy code and make judgment calls quickly
• Strong written communication: you can explain risks clearly to a non-technical founder or operator
• Comfort working without perfect specs
• Experience with Metabase or analytics cleanup
• Experience migrating away from NativeBase, NativeWind, or inconsistent styling systems
• Experience with mobile release pipelines, QA automation, push notifications, and email workflows
• Prior startup rescue, code audit, or fractional CTO experience

Company Overview