Blockchain Engineer

**Job Title: Blockchain Engineer (2–5 Years Experience)** **Location: Remote** **Experience: 2–5 Years** **Employment Type: Full-time** **About The Role** We are looking for a Blockchain Engineer with 2–5 years of experience to build secure, scalable, and high-performance blockchain solutions. You will work on smart contracts, decentralized applications and blockchain integrations while collaborating with cross-functional teams. **Key Responsibilities** - Design, develop, and deploy smart contracts and blockchain-based applications - Build and maintain decentralized applications (DApps) - Integrate blockchain solutions with backend systems and APIs - Optimize smart contracts for performance, security, and gas efficiency - Perform testing, debugging, and code reviews - Identify and mitigate security risks and vulnerabilities - Stay updated with blockchain trends, tools, and best practices - Collaborate with product, engineering, and security teams **Must-Have Skills** - 2–5 years of hands-on experience in blockchain development - Strong understanding of blockchain fundamentals (distributed ledgers, consensus mechanisms, cryptography) - Proven experience with smart contract development (Solidity mandatory) - Hands-on experience with Ethereum or EVM-compatible blockchains - Proficiency in Web3.js, Ethers.js, or similar Web3 libraries - Strong programming skills in JavaScript / TypeScript (Python, Go, or Rust is a plus) - Experience with REST APIs and backend integration - Solid understanding of data structures, algorithms, and system design - Experience with Git and version control systems **Good-to-Have Skills** - Experience with DeFi protocols, NFTs, DAOs, or Web3 products - Knowledge of Layer 2 scaling solutions (Polygon, Optimism, Arbitrum) - Familiarity with smart contract security audits and best practices - Exposure to IPFS, oracles (Chainlink), or cross-chain solutions - Experience with Solana, Hyperledger, or other non-EVM blockchains - Knowledge of cloud platforms (AWS, Azure, GCP) - Experience with CI/CD pipelines and DevOps practices