Lead React Native Engineer for High-Performance Trading

Kraken; Town of Sweden (NY); On-site; USD 180,000 - 240,000; Full time

Job summary

Kraken is seeking an experienced Senior Mobile Engineer to own and drive the Pro mobile app’s technical vision and architecture. You will build high-performance apps using React Native and TypeScript, leading performance improvements and reliability across teams.

You will mentor engineers, set engineering standards, and partner with Product, Design, and Backend teams to deliver impactful user-facing features, while tackling production issues and guiding platform-level decisions.

Qualifications

• 8+ years of experience in software engineering, with a strong focus on mobile development.
• Deep expertise in React Native and TypeScript.
• Proven experience owning or leading large-scale, production mobile applications.
• Strong understanding of mobile performance optimization, architecture, and debugging.
• Experience delivering measurable improvements to app performance (load time, stability, efficiency).
• Solid knowledge of iOS and Android platforms.
• Experience working across multiple teams or shared platforms.
• Strong communication skills, with the ability to influence technical direction across teams.

Responsibilities

• Own and drive the technical vision and architecture of Kraken’s Pro mobile application.
• Build and maintain high-performance mobile applications using React Native and TypeScript.
• Lead initiatives to improve app performance, reliability, and scalability.
• Act as a technical leader across multiple teams, ensuring consistency and quality across a shared codebase.
• Partner with Product, Design, and Backend teams to deliver impactful, user-facing features.
• Take the lead during critical production issues, diagnosing problems and driving solutions.
• Define and evolve engineering standards, best practices, and tooling for mobile development.
• Mentor engineers and elevate the overall technical capability of the team.
• Stay close to the code while operating at a strategic, platform level.

Skills

Mobile development experience

React Native

TypeScript

Leadership / ownership

Cross-team collaboration

Communication skills

Performance optimization

Problem solving

Tools

React Native

TypeScript

Job description

Kraken is seeking an experienced Senior Mobile Engineer to own and drive the Pro mobile app’s technical vision and architecture. You will build high-performance apps using React Native and TypeScript, leading performance improvements and reliability across teams.

You will mentor engineers, set engineering standards, and partner with Product, Design, and Backend teams to deliver impactful user-facing features, while tackling production issues and guiding platform-level decisions.