Blockchain Wallet Engineer (Rust)

Location : Shenzhen Office 

About the role

Build and run the multi-chain crypto wallet and custody systems for our trading desk: keep funds safe and move them fast between wallets, exchanges and chains.

What you’ll do

• Build hot / warm / cold wallets across EVM, Solana, BTC, TRON.
• Implement secure signing and key management: MPC/TSS, multisig, HSM.
• Automate deposits, withdrawals and transfers, with whitelists and approval workflows.
• Handle transaction construction, nonces, gas, stuck or failed transactions and reorgs.
• Run nodes and RPC connections.
• Monitor and reconcile on-chain and exchange balances, and raise alerts on anomalies.
• Own wallet security and incident response.

Requirements

• Rust (must-have). Go, C++ or Python is a plus.
• 3+ years building wallet, custody or payment systems in production.
• Multi-chain: EVM plus at least one non-EVM chain.
• Hands-on MPC/TSS, multisig or HSM signing.
• Nodes, RPC, reorg and confirmation handling.
• Bachelor’s degree in CS, Engineering or a related field.

Strongly preferred

• Wallet experience at an exchange, custodian or trading firm.
• Exchange deposit/withdrawal APIs, cross-chain bridges.
• Solidity / smart contracts.