Backend Engineer - Web3 Payments Infra (Remote Fridays)

Fun; New York (NY); On-site; USD 155,000 - 300,000; Full time

Job summary

Fun, based in Midtown, New York, is seeking a BackEnd Engineer to design and maintain high-performance APIs and backend services powering our Web3 payments platform. You will work on asset conversion, identity verification, and decentralized routing at scale, with a focus on fault tolerance, security, and global reach.

The role requires deep knowledge of distributed systems, APIs, and databases, plus hands-on cloud and containerization experience.

Qualifications

• Experience building production backend systems with modern languages.
• Proficiency in TypeScript.
• Deep understanding of distributed systems, APIs, and database design.

Responsibilities

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

Skills

Backend systems

Typescript

Distributed systems

APIs

CS fundamentals

Tools

Cloud platforms

Containerization

DevOps tooling

Job description

Fun, based in Midtown, New York, is seeking a BackEnd Engineer to design and maintain high-performance APIs and backend services powering our Web3 payments platform. You will work on asset conversion, identity verification, and decentralized routing at scale, with a focus on fault tolerance, security, and global reach.

The role requires deep knowledge of distributed systems, APIs, and databases, plus hands-on cloud and containerization experience.