Lead React Native Engineer

ITRex - AI pioneers who build systems that actually work in the real world, not just in demos. We're 200+ people spread across the US and Europe, creating solutions for companies like P&G and Shutterstock. We keep it simple, build it right, and focus on what works.

We believe in openness, accountability, and having each other's backs. No office politics, no hidden agendas - just people who care about doing good work together and supporting each other to get there.

Your Responsibilities

• Architect, build, and maintain high-performance, scalable React Native applications for iOS and Android
• Lead and mentor a team of React Native developers, providing technical guidance and conducting code reviews
• Collaborate with Product, Design, and Backend teams to define requirements and deliver new features
• Communicate and collaborate with external partners, including banks, SDK vendors, and 3rd-party providers, to support integrations, resolve issues, and ensure technical alignment
• Integrate and maintain third-party SDKs, native modules, and Web3 / crypto libraries
• Implement Web3 functionality, including wallet features, signing, and smart contract interactions
• Ensure secure handling of sensitive data (private keys, seed phrases) and enforce mobile security best practices
• Ensure top-level application performance, responsiveness, and overall app quality
• Identify and resolve performance bottlenecks, defects, and reliability issues
• Implement and maintain comprehensive test coverage (unit, integration, E2E)
• Work with CI / CD pipelines to support automated build, testing, and deployment processes
• Research, evaluate, and introduce new technologies and best practices to improve product quality and development efficiency
• Maintain clear technical documentation and promote knowledge sharing within the team
• Participate in the full application development lifecycle, from initial concept to production deployment

What We're Looking For

React Native & Mobile Development

Blockchain & Web3

Leadership & Processes

Benefits

Remote flexibility

Fair compensation

Ownership opportunities

AI enhancement

Learning investment

Career progression

Responsive teammates

Supportive culture

Human connections

Curious? We are too. Let's talk

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