About the role

Lumen Chain builds custody and settlement rails for digital asset funds.

What you'll do

• Build wallet and key management services

• Integrate node infrastructure across chains

• Design monitoring for on-chain events

• Support the SDK used by our clients

What we're looking for

• 3+ years backend engineering with 1+ year in Web3

• Experience with ethers.js or viem

• Understanding of key management and HSM concepts

• Available to relocate or already in Singapore