Blockchain Developer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud AI data and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential. Job Title Blockchain Developer Location 100% Remote (U.S.) Position Type Full-time Direct W2 Salary Range $140000–$200000 Annually Experience Required 6+ years Sponsorship U.S. Citizens Green Card Holders EAD Holders and H-1B transfer candidates are encouraged to apply. We are unable to sponsor new H-1B visa petitions for this position. Job Summary We are seeking an experienced Blockchain Developer to design build and maintain enterprise-grade decentralized applications (dApps) smart contract platforms and blockchain-integrated backend services supporting financial services digital asset management and enterprise transaction processing. This role focuses on building secure scalable blockchain solutions that integrate seamlessly with cloud-native microservices and traditional enterprise applications. You will work closely with solution architects security engineers DevOps teams and product owners to develop smart contracts blockchain APIs digital wallet integrations tokenization platforms and secure transaction processing systems. The ideal candidate possesses deep expertise in blockchain protocols smart contract development distributed systems and cloud infrastructure while maintaining strong software engineering fundamentals. Key Responsibilities Design and develop secure smart contracts for enterprise blockchain applications using Solidity or other smart contract languages. Build scalable backend services that interact with blockchain networks for transaction processing asset management and identity verification. Develop RESTful and GraphQL APIs to expose blockchain functionality to web and mobile applications. Design blockchain data models token standards and transaction workflows for high-volume enterprise systems. Integrate enterprise applications with Ethereum Hyperledger Fabric Polygon Avalanche or other blockchain platforms. Develop secure wallet integrations digital signature workflows and key management solutions. Implement blockchain event listeners indexing services and off-chain processing components. Build scalable microservices using .NET Core Java or Node.js that interact with blockchain networks. Optimize smart contracts for gas efficiency scalability and transaction throughput. Perform smart contract audits security testing and vulnerability assessments before production deployments. Collaborate with DevOps teams to deploy blockchain infrastructure across Azure or AWS cloud environments. Participate in architectural reviews code reviews technical design sessions and production support activities. Troubleshoot complex blockchain network issues transaction failures synchronization problems and production incidents. Required Skills Six or more years of professional software development experience building enterprise-grade distributed applications. Three or more years of hands-on blockchain development experience delivering production blockchain solutions. Strong experience developing smart contracts using Solidity and Ethereum Virtual Machine (EVM)-compatible networks. Hands-on experience with blockchain platforms such as Ethereum Hyperledger Fabric Polygon Avalanche Binance Smart Chain or Quorum. Strong proficiency in JavaScript/TypeScript with Node.js or backend development using C#/.NET Core or Java. Experience building decentralized applications (dApps) with React Angular or Vue.js. Strong understanding of blockchain architecture consensus algorithms cryptographic hashing digital signatures Merkle trees and distributed ledger concepts. Experience implementing ERC-20 ERC-721 ERC-1155 or custom token standards. Experience integrating wallets such as MetaMask WalletConnect Coinbase Wallet or enterprise custody platforms. Strong experience with REST APIs GraphQL APIs WebSockets and blockchain RPC interfaces. Experience working with SQL and NoSQL databases including PostgreSQL SQL Server MongoDB or Redis. Hands-on experience with Git CI/CD pipelines automated deployments and release management. Experience deploying applications on Azure or AWS cloud platforms. Strong debugging performance optimization and troubleshooting skills in production environments. Experience working within Agile Scrum development teams. Preferred Qualifications Experience designing enterprise blockchain solutions for financial services healthcare insurance or supply chain industries. Hands-on experience with Hyperledger Fabric chaincode development using Go or Java. Experience with Layer-2 scaling solutions including Polygon Arbitrum or Optimism. Familiarity with Zero-Knowledge Proofs (ZKP) Multi-Party Computation (MPC) or privacy-preserving blockchain technologies. Experience implementing decentralized identity (DID) and Verifiable Credentials (VC). Knowledge of blockchain security standards smart contract auditing tools and common vulnerabilities such as reentrancy overflow front-running and flash loan attacks. Experience using Hardhat Foundry Truffle Ganache Brownie or Remix IDE. Familiarity with Docker Kubernetes Terraform and Infrastructure as Code. Experience integrating blockchain applications with enterprise identity providers including Azure Active Directory or OAuth. Blockchain certifications or contributions to open-source blockchain projects are highly desirable. Project Environment You will be joining a team building a next-generation enterprise blockchain platform supporting Digital asset tokenization and lifecycle management Smart contract-driven business workflows Enterprise wallet and digital identity integration Real-time blockchain event processing Secure multi-signature transaction approval systems Blockchain analytics and reporting dashboards Cloud-native microservices deployed on Azure and AWS High-availability distributed systems supporting millions of secure transactions annually This is a hands-on engineering role where you'll contribute to architecture development deployment security and operational excellence across mission-critical blockchain solutions. How to Apply Would you like to know more about this opportunity? For immediate consideration please send your resume to Harry@bvteck.com or contact us at (908) 676-4399. Learn more about Bright Vision Technologies at www.bvteck.com. Bright Vision Technologies is an Equal Opportunity Employer. Equal Employment Opportunity (EEO) Statement Bright Vision Technologies (BV Teck) is committed to equal employment opportunity (EEO) for all employees and applicants without regard to race color religion sex sexual orientation gender identity or expression national origin age genetic information disability veteran status or any other protected status as defined by applicable federal state or local laws. This commitment extends to all aspects of employment including recruitment hiring training compensation promotion transfer leaves of absence termination layoffs and recall. BV Teck expressly prohibits any form of workplace harassment or discrimination. Any improper interference with employees' ability to perform their job duties may result in disciplinary action up to and including termination of employment. bfZ3UPCsqM