Talenzaa

Blockchain Developer

NEW

RemoteFull-timeGlobal

📊 Lead

RemoteRemote work position availableActivePosted within the last 30 days

Job Description

Apply

Join talent pool

3h ago

Location : New York / New Jersey

Job description :

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
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
Familiarity with Agile/Scrum methodologies and distributed team collaboration tools