FullStack Engineer

Responsibilities: — Develop and maintain features in the React Native SDK, including brownfield integration into existing native host applications. — Design and implement backend-for-frontend (BFF) endpoints using Node.js and TypeScript, exposed via RPC. — Debug the entire request flow from mobile client through network, BFF, and external services. — Conduct code reviews and provide detailed feedback to other engineers. — Participate in production incident response by analyzing logs and tracing issues to their root causes. — Make pragmatic technical decisions considering changing requirements and regulatory constraints. Requirements: — At least 5 years of commercial software development experience. — Strong expertise in React Native, including both Expo and bare workflows with native module integration. — Proficient in TypeScript on both client and server sides. — Experience with Node.js BFF frameworks such as NestJS, Fastify, Hono, or Express. — Practical knowledge of designing RPC-style APIs. — Solid SQL skills, including querying materialized views; role involves data retrieval via RPC and direct SQL. — Comfortable with Git workflows and code review practices. — Effective use of AI coding tools (Claude Code, Cursor, Copilot) with good judgment on their outputs. — English proficiency at Upper-Intermediate (B2) level or higher. — Product mindset with ability to understand business goals, drive feature delivery, challenge requirements constructively, and take ownership from idea to production. Nice-to-have: — Experience with React Native brownfield integration. — Background in fintech, banking, or regulated environments. — Familiarity with OTA update tools like Stallion, Hot Updater, CodePush, Expo Updates. — Experience with Go. Candidates must be located in Belarus. The position starts approximately on 30.11.2026 and lasts 12 months.