Blockchain Engineer - Custodial Wallet

1. Develop and maintain core custodial wallet modules including account management, deposit, withdrawal, sweeping, signing, and transaction broadcasting.
2. Integrate multiple blockchain protocols (BTC, ETH, Solana, Tron, Cosmos, etc.) through RPC, SDKs, or in-house solutions to ensure stable and high-availability operations.
3. Participate in the architecture and modular design of the wallet system to enhance scalability, reliability, and performance.
4. Implement automated monitoring, alerting, and logging systems for full traceability of asset flows.
5. Write high-quality, testable code; participate in code reviews and CI/CD processes.
6. Collaborate cross-functionally with frontend, DevOps, security, and risk teams to ensure overall system performance and security.

Requirements

1. Bachelor’s degree or above in Computer Science, Information Security, or related fields.
2. 3+ years of backend development experien...