Senior Software Engineer - React Native (London)

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Senior Software Engineer - React Native

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Kraken

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Senior Software Engineer - React Native

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KrakenBuilding the Future of CryptoOur 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 CryptoOur 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 workThe teamJoin 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 opportunityDesign, develop, and maintain high-quality mobile applications using React Native and TypeScriptLead architectural decisions and implementation of scalable, performant mobile featuresCollaborate closely with backend engineers, product managers, and designers to deliver seamless mobile user experiences across iOS and AndroidOwn features end-to-endfrom concept and prototyping to release and post-launch improvementsImplement and uphold mobile-specific best practices around performance, navigation, accessibility, and testingContribute to shared component libraries and mobile design systemsMentor other engineers and support code reviews, architecture discussions, and process improvementsOptimize application performance, minimize load times, and enhance app responsiveness

Skills You Should HODL6+ years of experience in software development, with at least 3+ years focused on React NativeDeep knowledge of JavaScript/TypeScript and React Native''s core principles and APIsExperience building and shipping cross-platform apps for both iOS and AndroidFamiliarity with React Navigation, Redux Toolkit, MobX, or other state management librariesExperience integrating with RESTful APIs and WebSocketsProficiency with mobile testing frameworks (e.g., Detox, Jest, React Native Testing Library)Experience working with native modules or bridging native code (iOS/Android) when neededUnderstanding of mobile UX patterns, accessibility, and responsive design principlesExcellent collaboration and communication skills across engineering, design, and product teams

Nice to havesExperience migrating to or working with the new React Native architecture (Fabric/TurboModules)Familiarity with OTA update tools like CodePush or Expo EASExposure to native iOS/Android development (Swift, Kotlin, Java)Background in crypto, fintech, or privacy-first mobile applicationsContributions to open source or experience with building internal developer toolingUnderstanding 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.Stay in the knowFollow us on TwitterLearn on the Kraken BlogConnect on LinkedInCandidate Privacy NoticeSeniority level

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