Software Engineer II - React Native - Krak

Kraken · Brazil · Engineering

Posted 2026-09-02

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THE TEAM

Founded in 2011, Kraken is one of the world's longest-standing crypto platforms, trusted by over 10 million individuals and institutions across the globe. It offers spot trading, margin, futures, staking, and OTC services, with products built for both individual investors and institutional clients.

We're looking for a React Native engineer to join a cross-functional Consumer pod focused on building and scaling core Krak experiences. You'll build alongside Product, Frontend and Backend Engineers in your pod, delivering seamless, performant user experiences across our Krak app, holding the features you ship to a high bar for UX, technical quality, and reliability. It's an opportunity to build high-impact, consumer-facing functionality used daily by a global user base.

THE OPPORTUNITY

- Design, develop, and maintain high-quality mobile applications using React Native and TypeScript

- Own the end-to-end delivery of assigned Krak features, from technical design through release and post-launch iteration

- Build screens and components that are maintainable, performant, and resilient, applying established architecture and design patterns

- Write clean, well-tested code and take an active part in code review, applying the team’s engineering standards consistently

- Contribute to technical design discussions within your pod, raising clear proposals and trade-offs for the work you own

- Work closely with Product Managers, Designers, and the Rust backend engineers in your pod to deliver features with measurable customer value

- Help improve code quality, shared components, and tooling across the Krak mobile codebase, keeping current with the React Native ecosystem

WHAT YOU BRING

- 3+ years of experience in software development, with a focus on web or mobile applications

- Solid working knowledge of JavaScript/TypeScript and hands-on experience building with React Native

- Experience integrating and consuming APIs, with attention to security and performance on mobile

- Experience with frontend testing frameworks and modern front-end build pipelines and tooling

- Strong understanding of UI/UX best practices, empathy for the customer, and a passion for building intuitive, performant consumer experiences

- Strong written and verbal communication skills in English

NICE TO HAVES

- Familiarity with native mobile app development (iOS/Android)

- Experience developing micro interactions and animations in React Native

- Experience with Next.js and WebSockets

- Experience within a large technology organization or fast growing startup

- Hands-on experience in consumer payments, crypto or fintech mobile applications

- Working knowledge of Rust (or similar languages such as Go or C++), and familiarity with async architectures, APIs, and microservices

- Experience building large-scale consumer or financial products

- Contributions to open-source or the broader engineering community

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