Blockchain Engineer
Core
Build backend infrastructure for Web3 wallets and DeFi products, handling on-chain data acquisition, indexing, and smart contract integrations.
Role type
Senior backend engineer (Web3/blockchain)
Builds
Backend systems for Web3 wallets and decentralized finance products
Domain
Blockchain / Web3 / Decentralized Finance
Deliverable
production ML models | product features
Required skills
Backend development, Web3/blockchain development, on-chain data indexing, smart contract integration, Java, system architecture, incident response
Preferred skills
AI engineering (LLMs, agent workflows), experience with Bitcoin/Ethereum ecosystems
Technologies
Java, Blockchain networks, Web3 frameworks
Responsibilities
Design and optimize backend systems for Web3 products; Build services for on-chain data acquisition and analysis; Collaborate with blockchain engineers to integrate new on-chain features; Investigate and resolve technical issues involving blockchain interactions; Participate in on-call rotations for system stability.
