Blockchain Engineer
Lorven Technologies
Role: Blockchain Engineer
Location: NY/NJ
Duration: Full Time
Location: NY/NJ
Duration: Full Time
- 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
- Web3 Engineering Depth: Strong command of the Web3 technology stack - from smart contract development to on-chain/off-chain integration patterns and blockchain node interaction
- Backend Engineering Fundamentals: Solid grounding in enterprise software engineering - API design, microservices, data structures, algorithms, and design patterns
- Security Mindset: Awareness of common smart contract vulnerabilities (reentrancy, front-running, integer overflow, etc.) and best practices for secure on-chain development
- Curiosity & Adaptability: Genuine enthusiasm for the Web3 ecosystem and the ability to rapidly learn and apply new protocols, standards, and tooling
- Collaborative Spirit: Strong team player who communicates clearly and constructively with engineers, architects, and non-technical stakeholders
- Delivery Orientation: Ability to manage personal delivery commitments, prioritize effectively, and produce high-quality output within sprint cycles
- Attention to Detail: Rigorous approach to testing, code quality, and documentation - particularly important given the immutable nature of on-chain deployments
- Tooling Proficiency: Working knowledge of engineering tools including Git, Jira, Jenkins, Hardhat/Foundry, Docker, Helm, and observability platforms
Vacancy posted 17 hours ago
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