Backend Engineer - Web3 Payments Platform

Fun; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Fun is building the backend infrastructure for Web3 payments, focusing on high-performance, low-latency services. The role involves shaping how payments, settlement, and routing work across chains and providers, with emphasis on reliability and scalability.

You will design and implement robust APIs, collaborate across teams, and help drive the platform’s evolution in a fast-moving crypto-enabled finance landscape.

Qualifications

• Strong experience building production backend systems with modern languages.
• Proficiency in Typescript.
• Deep understanding of distributed systems, APIs, and database design principles.
• Hands-on experience with cloud platforms and containerization technologies.
• Solid grasp of computer science fundamentals including data structures and algorithms.
• Strong problem-solving skills with ability to debug complex technical issues.
• Clear communicator who can collaborate effectively with cross-functional teams.

Responsibilities

• Design, build, and maintain high-performance APIs and backend services that power our Web3 payments platform.
• Build new features to further our product experience.
• Collaborate with product and protocol teams to architect technical solutions that meet business requirements.
• Write clean, well-tested code and participate in code reviews to maintain high engineering standards.
• Contribute to incident response and debugging production issues to ensure system reliability.

Skills

Backend systems

Typescript

Distributed systems

Cloud platforms

Containerization

Data structures

Algorithms

Communication

Tools

Docker

Kubernetes

AWS

Job description

Fun is building the backend infrastructure for Web3 payments, focusing on high-performance, low-latency services. The role involves shaping how payments, settlement, and routing work across chains and providers, with emphasis on reliability and scalability.

You will design and implement robust APIs, collaborate across teams, and help drive the platform’s evolution in a fast-moving crypto-enabled finance landscape.