Senior Full-Stack Engineer (React Native/Node.js)

Intetics Inc., a leading American technology company specializing in custom software application development, distributed professional teams creation, software product quality assessment, and “all-things-digital” solutions, is on the lookout for a Senior Full-Stack Engineer (React Native/Node.js) to join our team and provide exceptional customer support. Responsibilities Build and maintain React Native SDK functionality, including integration into partners’ existing native applications Design and implement BFF endpoints using Node.js and TypeScript, exposed through RPC APIs Investigate issues across the full request path, including the mobile client, network, BFF, and external services Review code and provide constructive, actionable feedback Participate in production incident response, analyze logs, and identify root causes Make pragmatic technical decisions while adapting to changing requirements and strict regulatory constraints Take ownership of features from initial requirements through production delivery 5+ years of commercial software development experience Strong React Native experience across Expo and bare workflows, including native module integration Strong TypeScript skills on both the client and server sides Experience developing Node.js BFF services using frameworks such as NestJS, Fastify, Hono, or Express Hands-on experience designing RPC-style APIs Solid SQL skills, including querying materialized views and retrieving data directly through SQL Experience with Git-based development workflows and regular code reviews Effective daily use of AI coding tools such as Claude Code, Cursor, or Copilot, with the ability to critically assess and verify generated output Product mindset, with the ability to understand business goals, constructively challenge requirements, and drive feature delivery Ability to take ownership and work effectively with evolving requirements English level: B2+ or higher Nice to have Experience embedding React Native functionality into existing native host applications Experience in fintech, banking, or other regulated environments Familiarity with OTA update tools such as Stallion, Hot Updater, CodePush, or Expo Updates Experience with Go