We are seeking an experienced Full Stack Developer to help design and build the user-facing applications and supporting services that power our wallets, prepaid cards, and transaction experiences across web and mobile platforms. This role involves developing secure, reliable, and intuitive financial applications where usability, performance, and data accuracy are critical. You will contribute to architectural decisions, own features end-to-end, and help ensure our platform delivers seamless financial experiences across devices.

Responsibilities

• Design and develop responsive web applications using React
• Build and maintain cross-platform mobile applications using React Native
• Implement secure and intuitive user experiences for wallets, payments, onboarding, and transaction management
• Develop and maintain Node.js APIs that support frontend functionality and real-time financial data
• Ensure consistency and accuracy of financial data across client and server systems
• Implement secure authentication flows, session management, and user data protection
• Integrate with third-party services including payment processors, KYC providers, and banking APIs
• Optimize application performance, responsiveness, and reliability across devices and network conditions
• Collaborate with product, design, backend, and compliance teams to deliver regulated financial features
• Participate in code reviews and promote high-quality engineering practices
• Contribute to application architecture and long-term platform scalability

 Requirements

• Proven experience building web and mobile applications using React and React Native
• Strong proficiency in JavaScript/TypeScript and modern frontend development practices
• Experience working with Node.js to build or integrate APIs
• Solid understanding of REST APIs, data fetching strategies, and state management
• Experience implementing authentication flows and secure handling of sensitive data
• Familiarity with performance optimization and cross-device compatibility
• Experience integrating third-party APIs (payments, identity verification, or financial services)
• Familiarity with PostgreSQL or similar databases
• Understanding of secure coding practices and data protection principles
• Experience with Docker and cloud platforms (AWS, Azure, or GCP) is a plus
• Knowledge of fintech, payments, or regulated environments is a plus
• Strong problem-solving skills and attention to detail
• Excellent communication skills and ability to work in cross-functional teams