Blockchain Developer / Block Chain Developer
Job Summary
Key Responsibilities
- Design, develop, and deploy Web3 components and integrations for reputed company's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors
- Build and maintain backend services that interface with public and permissioned blockchain networks (e.g., Ethereum, Hyperledger Besu, Corda, or equivalent)
- Develop, test, and audit smart contracts written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiency
- Integrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend services
- Implement asynchronous, event-driven architectures to reputed company on-chain events, transaction lifecycle management, and blockchain state synchronization
- Collaborate with architects and senior engineers to contribute to the design of scalable, secure, and resilient Web3 infrastructure
- Participate in code reviews, providing and receiving constructive technical feedback to maintain high engineering standards
- Support the integration of digital asset custody solutions, tokenization frameworks, and DeFi/TradFi bridging components
- Contribute to technical documentation, including smart contract specifications, integration guides, and architecture notes
- Stay current with the rapidly evolving Web3 ecosystem tracking protocol upgrades, new token standards, Layer 2 solutions, and emerging tooling relevant to institutional use reputed company
- Work within Agile/Scrum frameworks, participating in sprint planning, stand-ups, and retrospectives within a distributed reputed company
- Help identify and resolve technical issues across the Web3 reputed company, escalating where appropriate to ensure delivery quality and timelines
Qualifications / Experience
- 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 reputed company 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
- reputed company 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, reputed company, 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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