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Lead Node.js Developer with 10+ years in Fintech, Blockchain & Microservices
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Assessing your cultural and operational fit
Senior MERN Stack / Node.js Developer specialising in high-frequency crypto trading platforms, real-time WebSocket systems, and microservices architecture. Delivered production-grade exchange platforms covering Spot, Perpetual, P2P, Copy Trading, Staking, and Onramp/Offramp using Node.js, Express.js, React.js, Next.js, MongoDB, PostgreSQL, and Redis. Experienced in Web3.js, MetaMask integration, automated trading bot systems, and scalable microservices. Proven track record of delivering high-performance backend services, real-time transaction systems, and scalable microservices architectures for fintech and Web3 platforms in Agile environments.
Madurai Kamaraj University
Master of Computer Applications (MCA) · Computer Applications
August 1, 2008 – June 30, 2011
Madurai Kamaraj University
Bachelor of Science · Computer Science (B.Sc.)
August 1, 2005 – June 30, 2008
WEALWIN TECHNOLOGIES PVT. LTD
Senior MERN Stack/ Node.js Developer
January 1, 2021 – Present
Madurai, Tamil Nadu, India
XSOSYS TECHNOLOGY INDIA PVT. LTD.
Senior PHP / Laravel Developer
January 1, 2016 – December 1, 2020
Madurai, Tamil Nadu, India
OSIZ TECHNOLOGIES PVT. LTD.
Junior PHP Web Developer
April 1, 2012 – December 1, 2015
Madurai, Tamil Nadu, India
Fiat Onramp & Offramp Payment Platform
June 16, 2026 – Present
Fiat-to-crypto Onramp supporting bank transfer, UPI, and card payments via integrated payment gateway APIs — enabling seamless crypto purchases for end users. Crypto-to-fiat Offramp with automated sell-order processing, KYC/AML verification hooks, payout reconciliation, and direct bank settlement for user withdrawals. Secure multi-currency wallet management with real-time balance updates, deposit/withdrawal lifecycle tracking, fraud detection controls, and compliance audit logging.
Enterprise Workforce & Training Management Systems
June 16, 2026 – Present
Training Management System (TMS) with course management, certification tracking, and HR system API integration; Total Quality Management System (TQMS) with audit workflows and compliance dashboards. Recruitment & Workforce portal with advanced candidate search (skills, experience, availability), RBAC for recruiters/employers, and dashboards for placement tracking.
Full-Scale Crypto Exchange Platform
June 16, 2026 – Present
End-to-end exchange platform: Spot & Perpetual trading, Copy Trading, P2P (escrow-based), Staking (APY engine), and Crypto Bots (DCA, Grid, RSI, MACD) — built on scalable Node.js microservices. High-performance WebSocket order matching engine with real-time market data feeds; reusable multi-exchange integration framework enabling rapid onboarding of new trading exchanges. MetaMask + Web3.js integration for on-chain wallet authentication, ERC-20 token transfers, and staking contract interactions; real-time multi-exchange balance synchronisation
Non-Custodial Multi-Chain Crypto Wallet
June 16, 2026 – Present
Built a non-custodial web-based crypto wallet supporting Ethereum, BSC, Polygon (Matic), Bitcoin, and Tron networks — users retain full control of private keys at all times. Implemented secure token Send and Receive functionality with real-time balance updates and transaction history across multiple blockchain networks. Integrated token Swap feature enabling cross-token exchanges within supported networks using decentralised exchange protocols. Integrated WalletConnect protocol allowing users to connect and interact with decentralised applications (dApps) securely from the wallet. Used ethers.js and Web3.js for blockchain interactions — transaction signing, gas estimation, contract calls, and network switching.
Cultural Fit Analysis
The candidate demonstrates a strong cultural fit for a dynamic, high-growth environment, particularly within the FinTech and Web3 sectors. Their diverse project portfolio, ranging from crypto exchanges to non-custodial wallets and payment platforms, showcases adaptability and a broad skill set. The focus on scalable microservices and real-time systems aligns with modern development practices. The candidate's experience in architecting and delivering complex systems suggests a proactive and ownership-driven mindset.
Soft Skills & Operational Fit
The candidate's professional experience descriptions indicate strong leadership in architecting and delivering complex systems, suggesting good problem-solving, decision-making, and project management skills. Involvement in CI/CD, code reviews, and Agile Scrum points to a collaborative and process-oriented approach.