Senior Back-End Engineer (based in China)

Responsibilities

• Design and implement backend services, including APIs, microservices, and databases, ensuring high performance and availability

• Collaborate with frontend engineers, smart contract engineers, and product managers to define and meet project requirements, ensuring seamless workflows between on-chain and off-chain systems

• Diagnose, identify, and resolve complex issues in backend systems with a focus on stability and performance

Requirements

• 5+ years of backend development experience, with the ability to build stable, scalable, and secure backend applications

• Proficiency in Golang and related frameworks; ability to quickly learn new languages such as TypeScript, Rust, or Node.js is a plus

• Deep understanding of distributed systems theory, with hands-on experience designing and implementing architectures for high concurrency, high availability, and scalability

• Strong grasp of API development principles, with experience building RESTful services

• Solid experience in database design, management, and migration strategies for relational databases (PostgreSQL, MySQL) and NoSQL (Redis)

• Proactive in researching and adopting new technologies to improve product and codebase

• Excellent communication and problem-solving skills, effective in fast-paced, dynamic environments with cross-functional teams

• Strong resilience under pressure

• Willingness to travel short distances occasionally

Nice-to-Haves

• Experience at a CEX or DEX with deep understanding of trading systems

• Hands-on experience with DeFi projects (DEX, lending protocols, cross-chain bridges, etc.)

• Familiarity with market-making mechanisms or understanding of AMM mathematical models

• Experience handling high-concurrency financial systems