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Blockchain

Senior React Native Engineer - Blockchain

Blockchain · remote · senior · full-time
cryptodevweb3 React NativeJavaScriptTypeScriptmobile developmentAI developer tools
8.0
AI Score
The vacancy is well-structured with clear responsibilities and requirements, but lacks specific salary details.
Job description
**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.
Responsibilities
## 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 - Review, validate, and refine AI-generated code, ensuring it meets production-grade standards - Drive the evolution of shared UI systems, component libraries, and developer tooling to improve velocity across teams - Own the quality, performance, and reliability of the systems you build, including observability and debugging in production - Mentor other engineers, contribute to code reviews, and help raise the engineering bar across the team - Collaborate closely with Product, Design, Backend, and Mobile teams to deliver cohesive user experiences - Support release processes, app store deployments, and ongoing improvements post-launch
Requirements
## WHAT YOU WILL NEED - 5+ years of experience in software engineering, with strong hands-on experience in React Native - Deep proficiency in JavaScript/TypeScript and modern mobile development practices - Proven experience building and shipping production-grade mobile applications at scale - Strong understanding of mobile architecture, modular systems, and scalable design patterns - Experience owning features or systems from design through production and iteration - Ability to navigate ambiguity and drive technical decisions with minimal oversight - Experience integrating complex backend systems and APIs into mobile applications - Strong experience leveraging AI developer tools (e.g., Claude, Codex) effectively in production workflows - Excellent code quality standards, with the ability to review and guide others’ work - Experience improving performance, reliability, and developer experience in mobile apps - Strong communication skills and ability to influence cross-functional teams
Conditions
## COMPENSATION & PERKS - Competitive full-time salary based on experience and meaningful equity in an industry-leading company - This is a role based in our Palermo office, with a mandatory in-office presence four days per week. - The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry. - Performance-based bonuses - Apple equipment provided by the company - Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.
About Blockchain
Blockchain.com is a leading cryptocurrency wallet provider, exchange, and finance platform serving retail and institutional users worldwide. It offers trading, wallet, payment services, and infrastructure like blockchain explorers, having facilitated over $1 trillion in transactions and supporting over 90 million wallets. The company originated as a Bitcoin tracking tool and has expanded into a comprehensive crypto ecosystem.
Crypto · 200-1000 · Luxembourg, Luxembourg · Founded 2011 · https://www.blockchain.com/?ref=Job-Sea
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