Backend Developer

Design, develop, and operate backend systems supporting DeFi, wallet, and blockchain services. Process on-chain events, expose HTTP APIs, integrate SDKs and services, manage database migrations and ORMs, containerize services, and support reliable production operations.

Responsibilities

• Develop and operate backend systems for DeFi, wallet, and blockchain services
• Collect and process blockchain events and transform them into service data
• Design and implement HTTP APIs
• Integrate third-party SDKs, libraries, and external APIs
• Write and manage database schema migrations using an ORM
• Containerize services and support deployment pipelines
• Identify and apply technical solutions to ensure service reliability
• Produce and maintain clear technical documentation

Requirements

• Node.js and TypeScript web application development
• HTTP API development experience
• Third-party SDK, library, and API integration experience
• Database ORM usage and migration-writing experience
• Clear terminology definition and documentation skills
• Ability to learn new technologies

Benefits

• Full salary during the three-month probation period
• Portfolio submission is optional