Fun.xyz

Blockchain Engineer

• Design, develop, and deploy secure smart contracts and protocol implementations across multiple blockchain platforms
• Collaborate with backend and product teams to architect blockchain solutions that meet business requirements
• Write highly efficient, well-tested code and participate in security audits to ensure protocol safety
• Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities
• Contribute to incident response and debugging on-chain issues to ensure protocol reliability
• Build infrastructure powering consumer-facing fintech applications and Web3 payments
• Implement blockchain integrations supporting millions of transactions across multiple chains

Explore Protocol Engineer at Fun.xyz. Review requirements and application details.

Protocol Engineer

Backend Engineer

• Design, build, and maintain high-performance APIs and backend services powering the Web3 payments platform
• Build new features to improve the product experience
• Collaborate with product and protocol teams to architect technical solutions meeting business requirements
• Write clean, well-tested code and participate in code reviews
• Contribute to incident response and debug production issues to ensure system reliability
• Architect backend services supporting payments, settlement, and transaction routing across chains and payment providers
• Develop high-performance, low-latency systems for asset conversion, identity and security verification, transaction finality, and decentralized routing
• Ensure fault tolerance, scalability, and compliance across a global user base

Explore Backend Engineer at Fun.xyz. Review requirements and application details.

Full-stack Engineer

• Design and scale SDK software powering Checkout across web2 and web3 environments
• Work across the stack on systems balancing performance, reliability, and user experience
• Collaborate with protocol, backend, and business teams
• Solve complex technical challenges
• Build tools that scale globally for evolving on-chain payment demands
• Help shape the future of crypto payments

Explore Product Engineer at Fun.xyz. Review requirements and application details.

Open roles

Protocol Engineer

Backend Engineer

Product Engineer