Rahul Saini

WORK HISTORY

EDUCATION

ABOUT RAHUL SAINI

Hi! I\'m Rahul Saini, a seasoned Node.js Software Developer with 7+ years of experience building scalable backend systems, APIs, and decentralized applications. My core strength lies in designing and engineering high-performance backend services using Node.js, Express.js, MongoDB, and MySQL.I have delivered robust backend solutions for diverse domains including supply chain, finance, healthcare, and telecom, integrating modern backend architecture with decentralized systems where needed.I\'m proficient in:Node.js (REST APIs, event-driven architecture)Database management (MongoDB, MySQL, PostgreSQL)API development and integrationsAsynchronous programming, streams, and message queuesUnit testing with Mocha, Chai, JestAuthentication & Authorization, including JWT and OAuthDevOps practices, CI/CD, Docker, PM2Cloud & storage: AWS, Firebase, IPFS, and othersBeyond backend systems, I bring hands-on experience with blockchain platforms such as Ethereum, Hyperledger, and cross-chain technologies. I’ve developed smart contracts in Solidity, and integrated them into backend systems for DeFi, NFTs, and tokenization platforms using Web3.js, Ethers.js, and Hardhat.Whether it\'s building a microservices-based API or integrating decentralized services into traditional applications, I love solving complex backend challenges and delivering clean, secure, and production-ready solutions.