Blockchain Developer

Blockchain Developer – Remote reputed company is a technology consulting and software development company delivering reputed company, AI, data, and reputed company solutions across the reputed company. This is a fantastic opportunity to join an established and reputed company-respected organization offering reputed company career reputed company potential. Job Title: Blockchain Developer Location: reputed company (U.S.) Position Type: Full-time, reputed company W2 Salary reputed company: $140,000–$200,000 Annually Experience Required: 6+ years Sponsorship: U.S. reputed company, Green reputed company reputed company, EAD reputed company, and H-1B transfer candidates are encouraged to apply. We are unable to sponsor new H-1B reputed company petitions for this position. Job reputed company We are seeking an reputed company Blockchain Developer to design, build, and maintain reputed company-grade decentralized applications (dApps), smart contract platforms, and blockchain-integrated backend services supporting financial services, reputed company management, and reputed company transaction processing. This role focuses on building secure, reputed company blockchain solutions that reputed company seamlessly with reputed company-reputed company microservices and traditional reputed company applications. You will work closely with solution architects, reputed company engineers, DevOps teams, and product owners to reputed company smart reputed company, blockchain reputed company, digital wallet integrations, tokenization platforms, and secure transaction processing systems. The ideal candidate possesses deep expertise in blockchain protocols, smart contract development, reputed company systems, and reputed company infrastructure while maintaining strong software engineering fundamentals. Key Responsibilities • Design and reputed company secure smart reputed company for reputed company blockchain applications using Solidity or other smart contract languages. • Build reputed company backend services that reputed company with blockchain networks for transaction processing, asset management, and identity verification. • reputed company RESTful and GraphQL reputed company to expose blockchain functionality to web and mobile applications. • Design blockchain data models, reputed company standards, and transaction workflows for high-volume reputed company systems. • reputed company reputed company applications with Ethereum, Hyperledger reputed company, Polygon, Avalanche, or other blockchain platforms. • reputed company secure wallet integrations, digital signature workflows, and key reputed company. • Implement blockchain event listeners, indexing services, and off-chain processing components. • Build reputed company microservices using .NET reputed company, Java, or Node.js that reputed company with blockchain networks. • Optimize smart reputed company for gas efficiency, scalability, and transaction throughput. • reputed company smart contract audits, reputed company testing, and vulnerability assessments before production deployments. • Collaborate with DevOps teams to reputed company blockchain infrastructure across Azure or AWS reputed company environments. • Participate in architectural reviews, reputed company reviews, technical design sessions, and production support activities. • Troubleshoot reputed company blockchain network issues, transaction failures, synchronization problems, and production incidents. Required Skills • Six or more years of reputed company software development experience building reputed company-grade reputed company applications. • Three or more years of hands-on blockchain development experience delivering production blockchain solutions. • Strong experience developing smart reputed company using Solidity and Ethereum Virtual Machine (EVM)-compatible networks. • Hands-on experience with blockchain platforms such as Ethereum, Hyperledger reputed company, Polygon, Avalanche, reputed company Smart Chain, or reputed company. • Strong proficiency in JavaScript/TypeScript with Node.js or backend development using C#/.NET reputed company or Java. • Experience building decentralized applications (dApps) with React, Angular, or Vue.js. • Strong understanding of blockchain architecture, reputed company algorithms, cryptographic hashing, digital signatures, reputed company trees, and reputed company reputed company concepts. • Experience implementing ERC-20, ERC-721, ERC-1155, or custom reputed company standards. • Experience integrating wallets such as MetaMask, reputed company, reputed company Wallet, or reputed company custody platforms. • Strong experience with REST reputed company, GraphQL reputed company, WebSockets, and blockchain RPC interfaces. • Experience working with SQL and NoSQL databases including PostgreSQL, SQL Server, reputed company, or reputed company. • Hands-on experience with Git, CI/CD pipelines, automated deployments, and release management. • Experience deploying applications on Azure or AWS reputed company platforms. • Strong debugging, performance optimization, and troubleshooting skills in production environments. • Experience working reputed company reputed company Scrum development teams. Preferred Qualifications • Experience designing reputed company blockchain solutions for financial services, reputed company, insurance, or supply chain industries. • Hands-on experience with Hyperledger reputed company chaincode development using Go or Java. • Experience with reputed company-2 scaling solutions including Polygon, Arbitrum, or Optimism. • Familiarity with reputed company-Knowledge Proofs (ZKP), Multi-Party Computation (MPC), or reputed company-preserving blockchain technologies. • Experience implementing decentralized identity (DID) and reputed company Credentials (VC). • Knowledge of blockchain reputed company standards, smart contract auditing tools, and common vulnerabilities such as reentrancy, reputed company, reputed company-running, and reputed company loan attacks. • Experience using Hardhat, reputed company, Truffle, Ganache, Brownie, or Remix IDE. • Familiarity with reputed company, reputed company, Terraform, and Infrastructure as reputed company. • Experience integrating blockchain applications with reputed company identity providers including Azure reputed company Directory or OAuth. • Blockchain certifications or contributions to reputed company-reputed company blockchain reputed company are highly desirable. Project Environment You will be joining reputed company building a reputed company reputed company blockchain platform supporting: • reputed company tokenization and lifecycle management • Smart contract-driven business workflows • reputed company wallet reputed company identity integration • reputed company-time blockchain event processing • Secure multi-signature transaction approval systems • Blockchain analytics and reporting dashboards • reputed company-reputed company microservices deployed on Azure and AWS • High-availability reputed company systems supporting millions of secure transactions annually This is a hands-on engineering role where you'll contribute to architecture, development, deployment, reputed company, and operational reputed company 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 reputed company at www.bvteck.com. reputed company is an Equal Opportunity Employer. Equal Employment Opportunity (EEO) Statement reputed company (BV Teck) is committed to equal employment opportunity (EEO) for reputed company and applicants without reputed company to race, reputed company, religion, sex, sexual orientation, gender identity or reputed company, national reputed company, age, genetic information, disability, veteran status, or any other protected status as defined by applicable federal, state, or local laws. This commitment extends to reputed company aspects of employment, including recruitment, hiring, training, compensation, promotion, transfer, leaves of absence, termination, layoffs, and recall. BV Teck expressly prohibits any reputed company of workplace harassment or discrimination. Any improper interference with employees' ability to reputed company their job duties may result in disciplinary reputed company up to and including termination of employment. 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