Lead blockchain application development, smart contract creation, and protocol integration. Leverage Java/Spring, Node.js, and Web3 libraries. Minimum 8 years of software engineering experience required.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Role: Blockchain Developer
Job Location: NYC, NY/ Jersey City, NJ
Duration: FTE
Visa Type:- Only USC/GC
Qualifications / Experience
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· Bachelor's degree in Computer Science, Engineering, or a related discipline; MS is a plus
· 8+ years of overall software engineering experience, with a strong backend development foundation
· 2 to 4 years of hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration
· 3 to 5 years of experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworks
· Proficiency in Solidity smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices
· Hands-on experience with Web3 libraries such as Web3J, Web3JS, Ethers.js, or Viem
· Solid understanding of blockchain fundamentals — consensus mechanisms, transaction lifecycle, gas models, wallet infrastructure, and key management
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· Experience with token standards (ERC-20, ERC-721, ERC-1155, ERC-3525, or equivalent) and tokenization patterns
· Familiarity with permissioned blockchain networks (Hyperledger Besu, Fabric, Corda, or R3) is a strong plus
· Experience with asynchronous programming, event-driven systems, and message queuing (Kafka, RabbitMQ, or equivalent)
· Familiarity with DevOps practices, containerization (Docker, Kubernetes), and CI/CD pipelines
· Understanding of cryptographic concepts — digital signatures, hashing, PKI, and secure key management — as applied to blockchain systems
· Exposure to Layer 2 scaling solutions (Polygon, Optimism, zkSync, etc.) and cross-chain interoperability protocols is a plus
· Experience in financial services or regulated industries is a plus
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· Familiarity with Agile/Scrum methodologies and distributed team collaboration tools
Thanks & Regards,
Alok Kumar | TALENDICA
Sr. Technical Recruiter
44 Saratoga Lane, Monroe Township, NJ 08831
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