I am an experienced and results-driven Senior Blockchain Developer with over 5 years of expertise in developing and deploying DApps and smart contracts across multiple blockchain platforms including Ethereum, Solana, BSC, and Polygon. I am proficient in Solidity, Rust, Web3.js, Ethers.js, and frameworks like Hardhat and Truffle, with a strong focus on security, scalability, and gas optimization. I have demonstrated success in building end-to-end blockchain solutions in DeFi, NFT, and Web3 ecosystems, while collaborating with cross-functional teams in agile environments. Throughout my career, I have led the architecture and development of modular multi-chain DApps, implemented CI/CD pipelines for smart contracts, and conducted internal audits and security reviews to ensure mission-critical contract integrity. I mentor junior developers, manage code reviews, and deliver high-quality products for enterprise clients, continually evolving my skills in emerging layer 2 protocols and blockchain technologies.

Rizwan Hameed

I am an experienced and results-driven Senior Blockchain Developer with over 5 years of expertise in developing and deploying DApps and smart contracts across multiple blockchain platforms including Ethereum, Solana, BSC, and Polygon. I am proficient in Solidity, Rust, Web3.js, Ethers.js, and frameworks like Hardhat and Truffle, with a strong focus on security, scalability, and gas optimization. I have demonstrated success in building end-to-end blockchain solutions in DeFi, NFT, and Web3 ecosystems, while collaborating with cross-functional teams in agile environments. Throughout my career, I have led the architecture and development of modular multi-chain DApps, implemented CI/CD pipelines for smart contracts, and conducted internal audits and security reviews to ensure mission-critical contract integrity. I mentor junior developers, manage code reviews, and deliver high-quality products for enterprise clients, continually evolving my skills in emerging layer 2 protocols and blockchain technologies.

Available to hire

I am an experienced and results-driven Senior Blockchain Developer with over 5 years of expertise in developing and deploying DApps and smart contracts across multiple blockchain platforms including Ethereum, Solana, BSC, and Polygon. I am proficient in Solidity, Rust, Web3.js, Ethers.js, and frameworks like Hardhat and Truffle, with a strong focus on security, scalability, and gas optimization. I have demonstrated success in building end-to-end blockchain solutions in DeFi, NFT, and Web3 ecosystems, while collaborating with cross-functional teams in agile environments.

Throughout my career, I have led the architecture and development of modular multi-chain DApps, implemented CI/CD pipelines for smart contracts, and conducted internal audits and security reviews to ensure mission-critical contract integrity. I mentor junior developers, manage code reviews, and deliver high-quality products for enterprise clients, continually evolving my skills in emerging layer 2 protocols and blockchain technologies.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert

Language

English
Advanced

Work Experience

Blockchain Development Lead at Labrys
June 1, 2022 - Present
Led end-to-end delivery of enterprise blockchain solutions for Fortune 500 clients, handling technical scoping, protocol selection, and smart contract deployment, emphasizing modular architecture and scalability. Architected multi-chain DApps using microservice-based backends integrating blockchain nodes, GraphQL APIs via The Graph, and real-time event listeners for seamless frontend data consumption. Introduced a CI/CD pipeline for smart contracts using Hardhat, GitHub Actions, and automated test suites with Chai/Mocha, significantly reducing deployment bugs and QA cycles. Conducted deep research and POC development on emerging L2 protocols (zkSync, StarkNet, Arbitrum), delivering comparative reports aiding stakeholder adoption decisions. Mentored and managed a team of 6+ blockchain engineers, facilitating code reviews, knowledge-sharing sessions, and career growth while ensuring sprint targets and architecture standards were consistently met.
Senior Blockchain Developer at Blockchain Studioz
May 31, 2022 - September 5, 2025
Spearheaded the development of cross-chain NFT marketplaces with advanced features like lazy minting, royalty management, and IPFS-based metadata storage across Ethereum, BSC, and Polygon networks. Engineered enterprise-grade smart contract systems for token launches (ERC-20, ERC-721, ERC-1155), token vesting, and crowdsale contracts integrating access control, KYC/AML layers, and gas-efficiency optimization. Led internal audits and security reviews of mission-critical smart contracts, identifying vulnerabilities (reentrancy, overflow, frontrunning) and implementing best practices aligned with CertiK and Trail of Bits standards. Guided junior developers and conducted technical code reviews, setting up internal development standards and reusable smart contract libraries to accelerate project delivery and maintain code consistency. Collaborated with international clients and project managers to gather blockchain-specific requirements, scoped decentralized solutions, and ensured timely de
Blockchain Developer at Designli
March 31, 2020 - September 5, 2025
Led architecture and development of Ethereum-based smart contracts for custom DApps, focusing on gas optimization, upgradeability, and audit-ready code using Solidity and OpenZeppelin libraries. Built full-stack decentralized applications integrating Web3.js/Ethers.js with React front-ends and Node.js backends, enabling seamless wallet interactions (MetaMask, WalletConnect) and real-time blockchain data sync. Designed and implemented tokenomics models and smart contract flows for DeFi applications, including staking, yield farming, and vesting schedules, ensuring both scalability and security. Collaborated with UI/UX, product, and QA teams in Agile sprints, translating user stories into robust blockchain features while maintaining clear documentation and versioning using Git and Hardhat. Contributed to multi-chain development initiatives, including deployment and testing on testnets/mainnets like Polygon and BSC, while creating reusable smart contract modules and integration scripts fo

Education

MS, Computer Science at Lahore University of Management Sciences (LUMS)
January 1, 2016 - January 1, 2018
BS, Computer Science at National University of Computer and Emerging Sciences (NUCES)
January 1, 2012 - January 1, 2016

Qualifications

Certified Blockchain Developer
January 11, 2030 - September 5, 2025
Blockchain Council Ethereum Developer Certification
January 11, 2030 - September 5, 2025
Consensys Academy Certified Solidity Developer
January 11, 2030 - September 5, 2025
Solidity Scan / Blockchain Council
January 11, 2030 - September 5, 2025

Industry Experience

Financial Services, Software & Internet, Professional Services