Mid-Level React Native Engineer

As a Mid-Level React Native Engineer at Blockchain, you will help evolve the mobile architecture into a modular, multiplatform system. You'll enable rapid development of new consumer apps by composing reusable building blocks from the existing stack and delivering them through high-quality React Native applications across iOS and Android.

What you'll do

• Build and maintain React Native applications that leverage shared modules from existing mobile and backend systems
• Contribute to a modular architecture that enables rapid assembly of new apps from reusable components such as auth, wallet, trading, on-ramp/off-ramp
• Collaborate with mobile, backend, and product teams to define clean interfaces between modules and ensure seamless integration
• Translate product ideas into shippable mobile experiences with a focus on speed, quality, and scalability
• Use AI-assisted development tools like Claude and Codex to accelerate implementation while ensuring correctness, performance, and maintainability
• Validate and review AI-generated code, maintaining a high bar for quality and security
• Contribute to shared UI patterns, component libraries, and developer tooling for faster app development
• Participate in the full development lifecycle: prototyping, building, testing, releasing, and iterating
• Support app store deployments, releases, and post-launch improvements
• Debug issues across the stack and improve reliability and performance of mobile apps

What you bring

• 2-5 years of software engineering experience with hands-on experience in React Native
• Strong proficiency in JavaScript/TypeScript and modern mobile development practices
• Experience building and shipping production mobile apps on iOS and/or Android
• Solid understanding of component-based architecture and modular design principles
• Ability to work with APIs and integrate complex backend-driven features
• Experience using AI developer tools such as Claude or Codex, or a strong interest in leveraging them effectively
• Strong attention to detail and ability to review and validate code for quality and correctness
• Familiarity with mobile performance, debugging, and testing best practices
• Good communication skills and ability to collaborate across teams

Nice to have

• Experience with native mobile development using Swift, Kotlin, or Java
• Experience working on shared codebases or cross-platform architectures
• Familiarity with crypto, wallets, or financial applications
• Experience integrating third-party services such as payments, authentication, or on-chain providers
• Experience with CI/CD pipelines and app store release processes
• Exposure to secure key management, authentication flows, or MPC wallets

What we offer

• Competitive full-time salary based on experience plus meaningful equity in an industry-leading company
• Performance-based bonuses
• Apple equipment provided by the company
• Office location in Palermo with mandatory in-office presence four days per week
• Work from Anywhere Policy allowing remote work from anywhere in the world for up to 20 days per year

About Blockchain

Blockchain is a global crypto company that has earned the trust of over 90 million wallet holders and more than 40 million verified users since 2011, facilitating over $1 trillion in crypto transactions. The company helps millions of people worldwide safely access cryptocurrency.