Backend Engineer

We are looking for a Backend Engineer to build and scale the high-performance systems powering a global Checkout product and next-generation payments infrastructure.

This role focuses on designing APIs services and distributed systems that handle payments settlement asset conversion identity verification and multi-chain transaction routing. You will play a key role in building fault-tolerant low-latency infrastructure that supports both web2 and web3 use cases at scale.

Responsibilities:

• Design build and maintain high-performance APIs and backend services for the payments platform.
• Develop and evolve systems supporting payments settlement transaction routing asset conversion and identity/security workflows across multiple chains and providers.
• Build backend features that directly improve product performance reliability and conversion for dApps and partners.
• Participate in system design architecture discussions and incident response to ensure high availability scalability and fault tolerance.
• Write clean maintainable and well-tested code contributing to code reviews and engineering best practices.
• Continuously optimize system performance latency and reliability across the infrastructure.

Requirements:

• Strong experience building production-grade backend systems using a modern programming language (TypeScript preferred; Go or Rust acceptable).
• Deep understanding of distributed systems API design and database architecture.
• Hands-on experience with cloud infrastructure and containerization tools (e.g. AWS Docker Kubernetes).
• Strong computer science fundamentals including algorithms data structures and system design.
• Ability to communicate effectively in English (primary working language).

Nice to Have:

• Experience in payments fintech infrastructure or high-throughput transactional systems.
• Familiarity with blockchain technologies smart contracts or DeFi protocols.
• Experience with event-driven architectures and real-time data processing systems.
• Contributions to open-source projects or technical writing in backend infrastructure or crypto domains.
• Evidence of exceptional achievement in any domain (e.g. competitive programming open-source athletics).