Lead Software Engineer - Mobile Development (Crypto Wallets)

About the role

We are seeking a Lead Software Engineer to drive the development of high‑performance crypto wallet applications on mobile platforms. In this role you will guide a small team of engineers while actively contributing to React Native code that powers DeFi and digital asset features for a global audience.

Key responsibilities

• Design and build cross‑platform mobile apps using React Native, ensuring scalability and a seamless user experience on iOS and Android.
• Provide technical leadership, set architectural standards, and mentor a team of mobile engineers.
• Define and maintain core mobile foundations such as state management, navigation, modularization, performance optimization, and security.
• Collaborate with backend engineers to integrate APIs, SDKs, WebSockets, and blockchain services, and contribute to backend code when needed.
• Conduct code reviews, enforce coding standards, and ensure high‑quality, maintainable codebases.
• Work with product managers and designers to translate requirements into robust technical solutions.

Required profile

• Extensive experience in mobile development with a strong focus on React Native.
• Proven track record of leading or mentoring mobile engineering teams and owning large‑scale mobile architecture.
• Deep understanding of mobile CI/CD pipelines, native build processes, and modern front‑end tooling.
• Experience integrating native modules and working with iOS (Swift/Objective‑C) or Android (Kotlin/Java) for low‑level functionality.
• Hands‑on experience with RESTful APIs, WebSockets, and distributed system integration.

Required skills

• React Native
• React
• Redux
• JavaScript (ES6+)
• iOS development (Swift, Objective‑C)
• Android development (Kotlin, Java)
• RESTful APIs
• WebSockets
• Node.js (or similar backend technology)