Senior / Tech Lead Mobile App Developer (Injective Labs)

Role overview This role takes technical ownership of a React Native mobile application for decentralized finance, leading architecture, engineering standards, performance, and reliability across iOS and Android. The position blends hands-on implementation with technical leadership, partnering closely with Product, Design, and Backend Engineering to deliver fast, intuitive trading experiences. The team is remote-friendly with flexible hours, and candidates are expected to align with EU or New York time zones.

Responsibilities - Take technical ownership of the React Native mobile application, driving its architecture, scalability, performance, reliability, and long-term maintainability across iOS and Android. - Lead the full engineering lifecycle of mobile features, from technical design and hands-on implementation through testing, release, monitoring, and iteration. - Build complex functionality using React Native and TypeScript, defining and maintaining engineering standards, patterns, and best practices across the codebase and team. - Make architectural decisions balancing product requirements, development speed, scalability, and technical debt, and proactively drive improvements to mobile architecture and processes. - Provide technical guidance through code reviews, design discussions, pair programming, and knowledge sharing. - Own mobile release processes and application health, including App Store and Google Play releases, monitoring, issue triage, and production incident investigation.

Requirements - 10+ years of professional software engineering experience, with significant experience building production mobile applications. - Experience building fintech or trading applications, plus experience with blockchain, Web3, or DeFi. - Strong professional experience with React Native, React, and TypeScript, and experience owning or leading the technical development of a production mobile application. - Strong understanding of mobile application architecture, design patterns, state management, performance, testing, and maintainability. - Experience making architectural decisions, driving technical projects from design through production, and integrating mobile applications with backend APIs and services. - Experience with Node.js, REST APIs, mobile CI/CD, testing, monitoring, and release processes, including publishing on the Apple App Store and Google Play Store. - Fluency in English and comfort operating autonomously in a fast-paced environment.

Nice to have - Understanding of iOS and Android platform-specific behaviors, limitations, and development best practices. - Experience designing or scaling mobile applications with a significant production user base. - Experience with real-time market data, order execution, charts, or other performance-sensitive financial interfaces. - Previous experience acting as a Tech Lead or providing technical leadership within a mobile engineering team. - Experience with real-time data and communication technologies such as gRPC, Server-Sent Events (SSE), or WebSockets.

Benefits and work setup - Competitive salary plus a token award - Remote-friendly environment with flexible hours - Unlimited PTO - Equipment and home office stipend - Global team meet-ups - Collaborative team culture with opportunities for professional growth