Senior Software Engineer - React Native (London), London

Senior Software Engineer - React Native (London)

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Join to apply for the Senior Software Engineer - React Native role at Kraken

Building the Future of Crypto

Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology.

Building the Future of Crypto

Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology.

What makes us different?
Kraken is a mission-focused company rooted in crypto values. As a Krakenite, youll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Krakens focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world.

Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here.

As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures.

Become a Krakenite and build the future of crypto!
Proof of work
The team
Join our Frontend Engineering team to craft high-performance, mission-critical interfaces that bring Krakens crypto products to life. As a member of this team, your focus is on delivering seamless, elegant, and secure client experiences across our entire product surface.

Youll work alongside backend engineers, crypto protocol experts, and designers obsessed with detail to build React Native and TypeScript applications that operate at scale and meet the expectations of our global user base. Whether its rendering real-time market data, simplifying complex user flows, or optimizing for performance on low-latency devices, youll be at the center of how our clients experience Kraken.

This team owns everything from component architecture and design systems to experimentation, analytics instrumentation, and accessibility all while championing frontend performance, developer experience, and UI consistency.

The opportunity

Design, develop, and maintain high-quality mobile applications using React Native and TypeScript
Lead architectural decisions and implementation of scalable, performant mobile features
Collaborate closely with backend engineers, product managers, and designers to deliver seamless mobile user experiences across iOS and Android
Own features end-to-endfrom concept and prototyping to release and post-launch improvements
Implement and uphold mobile-specific best practices around performance, navigation, accessibility, and testing
Contribute to shared component libraries and mobile design systems
Mentor other engineers and support code reviews, architecture discussions, and process improvements
Optimize application performance, minimize load times, and enhance app responsiveness

Skills You Should HODL

6+ years of experience in software development, with at least 3+ years focused on React Native
Deep knowledge of JavaScript/TypeScript and React Native's core principles and APIs
Experience building and shipping cross-platform apps for both iOS and Android
Familiarity with React Navigation, Redux Toolkit, MobX, or other state management libraries
Experience integrating with RESTful APIs and WebSockets
Proficiency with mobile testing frameworks (e.g., Detox, Jest, React Native Testing Library)
Experience working with native modules or bridging native code (iOS/Android) when needed
Understanding of mobile UX patterns, accessibility, and responsive design principles
Excellent collaboration and communication skills across engineering, design, and product teams

Nice to haves

Experience migrating to or working with the new React Native architecture (Fabric/TurboModules)
Familiarity with OTA update tools like CodePush or Expo EAS
Exposure to native iOS/Android development (Swift, Kotlin, Java)
Background in crypto, fintech, or privacy-first mobile applications
Contributions to open source or experience with building internal developer tooling
Understanding of mobile CI/CD and release pipelines (e.g., Fastlane, EAS, GitHub Actions)

This job is accepting ongoing applications and there is no application deadline.
Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.
We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.
Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgable about crypto!

As an equal opportunity employer, we dont tolerate discrimination or harassment of any kind. Whether thats based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.

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Seniority level

Seniority level
Mid-Senior level

Employment type

Employment type
Full-time

Job function

Job function
Engineering and Information Technology

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