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Blockchain Developer — Talenzaa
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-07-26
Listing for:
The Bitcoin Street Journal
Full Time
position Listed on 2026-07-26
Job specializations:
-
Software Development
Blockchain / Web3
Job Description & How to Apply Below
- Location: United States New York US
- Sector: Blockchain
- Source: web
3.career
Location :
New York / New Jersey
- 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 Dev Ops 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
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