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**Key Responsibilities** Develop, test, deploy, and maintain **smart contracts using Solidity**. Work with **Hyperledger Besu** to build and manage permissioned or enterprise blockchain networks. Design and develop full-stack blockchain applications, including frontend interfaces, backend services, APIs, and blockchain integrations. Integrate smart contracts with web applications using JavaScript libraries. Build secure and scalable blockchain solutions aligned with business requirements. Work with blockchain nodes, wallets, transactions, gas optimization, consensus mechanisms, and network configuration. Develop backend services and APIs using technologies such as **Java, Node.js, or related frameworks**. Collaborate with product managers, architects, frontend developers, backend developers, and DevOps teams. Perform smart contract testing, debugging, auditing support, and deployment across testnet and production environments. Participate in code reviews and ensure best practices for security, performance, and maintainability. Support integration with cloud platforms, especially **AWS**, for blockchain infrastructure deployment and monitoring. **Required Skills and Experience** **45 years of overall blockchain development experience.** Strong hands-on experience with **Hyperledger Besu**. Proven experience writing and deploying **Solidity smart contracts**. Good understanding of Ethereum-based blockchain architecture. Experience with smart contract development tools such as **Hardhat, Truffle, Remix, Ganache, or Foundry**. Experience integrating smart contracts with applications using **JavaScript, Web3.js, Ethers.js, or similar libraries**. Strong knowledge of blockchain concepts such as consensus, transactions, wallets, private keys, tokens, events, logs, and gas optimization. Experience in full-stack application development. Good understanding of REST APIs, backend services, databases, and application security. Strong debugging, problem-solving, and analytical skills. Interested candidates share your updated resume to valarmathiv1@hexaware.com