Reuben Cooley is hiring a

Blockchain Developer

Position: Blockchain Developer

Employment Type: Full-Time

Location: New York, NY / Jersey City, NJ

We are seeking an experienced Blockchain Developer with a strong background in enterprise software engineering and Web3 technologies.

Required Qualifications:

• 8+ years of software engineering experience
• 2–4 years of hands-on Web3/blockchain development
• Strong expertise in Solidity, smart contract development, and Ethereum ecosystem
• Experience with Java/Spring Boot and/or Node.js
• Proficiency with Web3.js, Ethers.js, Web3J, or Viem
• Knowledge of ERC token standards, blockchain security, wallets, and transaction lifecycle
• Experience with event-driven architectures, Kafka/RabbitMQ, Docker, Kubernetes, and CI/CD

Preferred Qualifications:

• Experience with Hyperledger Besu, Corda, or other permissioned blockchain platforms
• Exposure to Layer 2 solutions and cross-chain protocols
• Financial services or regulated industry experience
• Agile/Scrum development experience

Apply Now: