Senior React Native Mobile App Developer

Quantinium seeks a Senior React Native Mobile App Developer with a strong focus on Web3 experience to lead the development of cutting-edge mobile applications for iOS and Android. The ideal candidate brings a proven track record of wallet development, including hands-on experience building, deploying, and updating blockchain wallets, as well as working closely with teams integrating wallets into scalable mobile solutions. This role demands expertise in developing React Native mobile apps with Web3 functionalities, bridging the gap between traditional platforms and decentralized networks.

Key Responsibilities

• Lead the design, development, and maintenance of Quantinium’s mobile applications for iOS and Android using React Native.
• Architect and implement Web3 features, including blockchain wallet integration, decentralized applications (dApps), and tokenized ecosystems.
• Drive wallet development, including building, deploying, and updating blockchain wallets for secure and seamless functionality.
• Collaborate with backend developers to integrate mobile apps with Go-based services, ensuring optimal performance and reliability.
• Optimize apps for speed, scalability, and security using databases and cloud platforms like MongoDB and AWS.
• Deliver outstanding user experiences through responsive designs, animations, and innovative micro-interactions.
• Set and enforce best practices for architecture, code quality, and development processes within a collaborative, fast-paced environment.
• Stay ahead of emerging trends in blockchain, Web3 technologies, and mobile development to drive innovation.
• Partner with product managers, designers, and blockchain developers to align technical execution with product strategy.
  
  

Qualifications

• 5+ years of experience in Web3 development, with a strong focus on wallet development, deployment, and updates.
• 7+ years of mobile app development with expertise in building and scaling applications using React Native.
• Demonstrated experience developing React Native applications with integrated Web3 functionalities, including wallets and dApps.
• In-depth knowledge of blockchain technologies, decentralized systems, and tokenomics.
• Expertise in backend integration, particularly with Go-based servers, AWS services, and MongoDB.
• Strong understanding of responsive design principles, animations, and cross-platform compatibility.
• Knowledge of security best practices, especially in wallet development and blockchain-integrated mobile applications.
• Excellent communication skills and ability to lead technical discussions across globally distributed teams.
• Experience in fast-paced Agile startup environments, driving innovation in the Web3 space.
  
  

Nice to Have

• Contributions to open-source projects or leadership in developing Web3 libraries and frameworks.
• Advanced knowledge of TypeScript, asynchronous programming, and RESTful APIs.
• Hands-on experience with unit and integration testing tools such as Jest and Enzyme.
• Familiarity with advanced UI/UX principles to bridge the gap between design feasibility and technical implementation.
  
  

Why Join Quantinium?

• Join a visionary team driving the future of the internet through blockchain innovation.
• Work in a remote-friendly environment that values collaboration, creativity, and growth.
• Shape the technological foundation of a global network poised to transform digital connectivity.
• Enjoy a competitive compensation package, including token allocation & bonus, in a high-growth startup.
• Additional benefits for US based team members such as 401k match, 100% coverage for health, vision & dental insurance, and automatic life insurance.
  
  

If you’re an experienced React Native developer with extensive Web3 expertise, especially in wallet development and blockchain integration, Quantinium is your opportunity to redefine connectivity and make a global impact. Let’s build the internet of tomorrow together.