Senior React Native Engineer at Blockchain.com

<div class="content-intro"><p><strong>Blockchain</strong> is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.</p></div><p>We are looking for a <strong>Senior React Native Engineer</strong> to help us evolve our mobile architecture into a modular, multiplatform system. This role is focused on enabling rapid development of new consumer apps by composing reusable building blocks from our existing stack and delivering them through high-quality React Native applications.</p> <p>This is a hands-on engineering role with significant ownership, where you will help define how we build and scale a new generation of mobile apps at Blockchain.com—making it possible to quickly launch new crypto experiences across iOS and Android.</p> <h3><strong>WHAT YOU WILL DO</strong></h3> <ul> <li>Design and build scalable React Native applications powered by shared modules from our mobile and backend platforms</li> <li>Drive the architecture of a modular, reusable system, enabling rapid assembly of new apps from core building blocks (auth, wallet, trading, on-ramp/off-ramp, etc.)</li> <li>Define and enforce clear contracts and boundaries between modules, ensuring flexibility, reliability, and long-term maintainability</li> <li>Lead complex projects from technical design through delivery and iteration, working across multiple teams</li> <li>Translate ambiguous product ideas into well-structured technical plans, balancing speed, quality, and scalability</li> <li>Leverage AI-assisted development tools (e.g., Claude, Codex) to accelerate development, while setting standards for correctness, performance, and security</li> <li>Review, validate, and refine AI-generated code, ensuring it meets production-grade standards</li> <li>Drive the evolution of shared UI systems, component libraries, and developer tooling to improve velocity across teams</li> <li>Own the quality, performance, and reliability of the systems you build, including observability and debugging in production</li> <li>Mentor other engineers, contribute to code reviews, and help raise the engineering bar across the team</li> <li>Collaborate closely with Product, Design, Backend, and Mobile teams to deliver cohesive user experiences</li> <li>Support release processes, app store deployments, and ongoing improvements post-launch</li> </ul> <h3><strong>WHAT YOU WILL NEED</strong></h3> <ul> <li>5+ years of experien