About this role

▸about Blockchain.com — company background

Blockchain 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.

We are looking for a Senior React Native Engineer 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.

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.

WHAT YOU WILL DO

Design and build scalable React Native applications powered by shared modules from our mobile and backend platforms

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.)

Define and enforce clear contracts and boundaries between modules, ensuring flexibility, reliability, and long-term maintainability

Lead complex projects from technical design through delivery and iteration, working across multiple teams

Translate ambiguous product ideas into well-structured technical plans, balancing speed, quality, and scalability

Leverage AI-assisted development tools (e.g., Claude, Codex) to accelerate development, while setting standards for correctness, performance, and security

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