Software Engineer Senior

Ready to take your career global?

Make your mark at one of the biggest names in payments. We're looking for a Senior Software Engineer, Android (React Native) to join our ever-evolving technology team and help shape the future of global commerce. In this role, you'll build highly scalable mobile solutions, drive client-side architecture decisions, and collaborate with global teams to deliver secure, high-performance applications that power businesses around the world.

What you'll own

• Design, develop, and maintain Android client architecture for React Native applications, delivering high-quality mobile experiences at scale.
• Drive React Native platform development and native integrations, leveraging Bridge, TurboModule, and JSI while continuously improving application performance.
• Build and optimize networking capabilities, including HTTP/HTTPS, WebSocket, long-lived connections, Bluetooth, and USB communications to support business-critical use cases.
• Lead client-side performance improvements, including application startup, rendering efficiency, memory optimization, ANR reduction, and crash prevention.
• Partner with Product, QA, and Engineering teams across regions to design solutions, troubleshoot complex issues, and deliver high-quality releases.

What you'll bring

• Bachelor's degree or above in Computer Science, Software Engineering, or a related discipline.
• Strong proficiency in Kotlin and Java, with solid foundations in data structures, algorithms, and software design principles.
• Deep understanding of Android Framework internals, including threading models, lifecycle management, messaging mechanisms, and system behaviors.
• Proven experience delivering production-grade React Native applications, with hands-on expertise in Bridge, TurboModule, JSI, and mobile performance optimization.
• Strong networking knowledge and practical experience with HTTP/HTTPS, WebSocket, long-lived connections, Bluetooth, and USB integrations.
• Experience with WebView development and bidirectional communication between H5 and Native applications.
• Hands-on experience with Android frameworks and libraries such as OkHttp, Fresco, and local storage solutions.
• Practical experience using DataDog and Firebase for application monitoring, analytics, and runtime issue diagnosis.
• Professional working proficiency in English, including technical discussions, documentation, and collaboration with global teams.

It's a bonus if you have

• Experience developing payment solutions, printer integrations, restaurant technology, or POS systems.
• Practical project experience with C++ development.
• Experience building enterprise-scale mobile platforms and supporting mission-critical business applications.

What will help you succeed

• Think like a client: You focus on creating reliable, intuitive mobile experiences and proactively solve problems that impact customer success.
• Act like an owner: You take accountability for system quality, performance, and stability while continuously seeking opportunities to improve engineering effectiveness.
• Win as one team: You collaborate openly across functions and geographies, share knowledge, and value diverse perspectives to achieve common goals.

About the team

Our inclusive and global teams win together every day. We're proud to have some of the best minds in the industry, creating an environment where you can learn, grow, and make an impact. The people, the energy, and the opportunities are unmatched. Join us and work on innovative mobile technologies that help power the future of payments around the world.

What makes a Globalpayer?

Globalpayers think like a client, act like an owner, and win as one team. We’re curious and innovative, always seeking better ways to deliver impact. We empower each other to make decisions, challenge the status quo, and strive for excellence in everything we do.

Does this sound like you? Then you sound like a Globalpayer. Apply now to take your career global.