Blockchain Specialist

As a skilled Blockchain / Smart Contract Developer at CriticalRiver Inc., your role involves developing, auditing, and optimizing smart contracts, managing blockchain nodes, and integrating blockchain solutions with modern frameworks. You will work on cutting-edge blockchain platforms and contribute to high-impact projects. Key Responsibilities: - Design, develop, and implement blockchain solutions using Hyperledger Fabric - Write and maintain high-quality, efficient, and testable chain code (smart contracts) and Creating REST APIs - Deploy and manage Hyperledger Fabric networks, including channels, peers, and Orderers - Experience with other blockchain platforms like Ethereum, Quorum, Corda - Collaborate with internal teams to understand business requirements and translate them into technical solutions - Implement and maintain ledger queries and transaction handling - Ensure security and data integrity in blockchain applications - Troubleshoot and resolve technical issues in blockchain applications Required Skills and Qualifications: - Bachelors degree in computer science, Information Technology - 4+ years of proven experience with Hyperledger Fabric development and deployment - Strong proficiency in chain code development using languages like Node JS, Go, Solidity - Creating REST APIs using NodeJS and Typescript - Proficiency with blockchain principles and distributed ledger technology - Knowledge of cryptography and blockchain protocols - Experience with Docker, Docker Swarm and Kubernetes for deploying Hyperledger Fabric and applications - Node management and consensus mechanism tuning - Strong analytical and problem-solving skills - Excellent communication and teamwork abilities Preferred Skills: - Gas optimization, Security Audits - Integration with Web3.js, Truffle/Hardhat As a skilled Blockchain / Smart Contract Developer at CriticalRiver Inc., your role involves developing, auditing, and optimizing smart contracts, managing blockchain nodes, and integrating blockchain solutions with modern frameworks. You will work on cutting-edge blockchain platforms and contribute to high-impact projects. Key Responsibilities: - Design, develop, and implement blockchain solutions using Hyperledger Fabric - Write and maintain high-quality, efficient, and testable chain code (smart contracts) and Creating REST APIs - Deploy and manage Hyperledger Fabric networks, including channels, peers, and Orderers - Experience with other blockchain platforms like Ethereum, Quorum, Corda - Collaborate with internal teams to understand business requirements and translate them into technical solutions - Implement and maintain ledger queries and transaction handling - Ensure security and data integrity in blockchain applications - Troubleshoot and resolve technical issues in blockchain applications Required Skills and Qualifications: - Bachelors degree in computer science, Information Technology - 4+ years of proven experience with Hyperledger Fabric development and deployment - Strong proficiency in chain code development using languages like Node JS, Go, Solidity - Creating REST APIs using NodeJS and Typescript - Proficiency with blockchain principles and distributed ledger technology - Knowledge of cryptography and blockchain protocols - Experience with Docker, Docker Swarm and Kubernetes for deploying Hyperledger Fabric and applications - Node management and consensus mechanism tuning - Strong analytical and problem-solving skills - Excellent communication and teamwork abilities Preferred Skills: - Gas optimization, Security Audits - Integration with Web3.js, Truffle/Hardhat