Java Web3 Jobs in New York, New York, United States

Blockchain / Web3 Engineers – Multiple Openings | New York | $100k–$140k

We’re supporting a major enterprise digital assets / blockchain transformation programme and are hiring across multiple blockchain engineering disciplines.

This is an opportunity to work on large-scale blockchain-enabled platforms within a production-grade enterprise environment, building secure, scalable systems that integrate distributed ledger technology into real-world financial products.

We’re interested in professionals from backgrounds including:

Blockchain / Web3 Engineering

• Smart contract development (Solidity / Vyper)
• EVM ecosystems (Ethereum / Polygon / Arbitrum / Optimism / BSC)
• Web3 SDK integration
• Transaction orchestration, wallet/signature flows, gas optimisation
• Node infrastructure / RPC / validator operations

Backend Blockchain Engineering

• Java (8+) / Spring Boot / Spring Cloud
• Distributed systems / microservices
• REST / gRPC APIs
• Kafka / RabbitMQ / event-driven architecture
• Blockchain integrations (Ethereum / Hyperledger / Corda / Quorum)
• On-chain / off-chain synchronisation

Blockchain QA / Testing

• Smart contract testing
• Blockchain transaction validation
• API / integration testing
• Hardhat / Foundry / Ganache / Truffle
• QA automation / SDET backgrounds

Nice to have:

• Docker / Kubernetes
• CI/CD pipelines
• AWS / Azure / GCP
• Security testing / observability / DevOps exposure

Location: New York

Salary: $100k–$140k depending on experience

If you’ve worked on enterprise blockchain, Web3 infrastructure, digital assets platforms, or distributed ledger systems, I’d be keen to speak.