- Engineered comprehensive full-stack solutions with complex frontend and backend integrations, utilizing advanced state management, dynamic routing, and responsive UI components to deliver robust platforms with intuitive user experiences and high-performance APIs.- Developed a sophisticated wedding planning tool featuring a website builder, seating arrangement manager, guest management, and digital invitations, ensuring seamless frontend-backend communication and efficient service orchestration for real-time data synchronization.- Designed and led the development of a Tokenized Asset Lifecycle Management (TALM) platform for real-world asset investments, incorporating features like Notification Manager, Role-Based Access Control (RBAC), KYC/KYB integrations, CRM, and Deal/Token Manager, leveraging a microservices architecture and service orchestration for scalability and robustness.- Created a reusable UI component library as part of a modular frontend architecture, enabling consistent design and rapid development across multiple applications, integrating seamlessly with backend microservices for optimized user interactions.- Designed and built backend APIs incorporating a Dividend Payout Calculation engine to automate complex financial distributions, ensuring precision and compliance through a secure service layer.- Re-architected the user service system with a microservices-based design, integrating KYC, KYB, and wallet functionalities with an Audit Trail module, enhancing platform security, compliance, and user verification through efficient service orchestration.- Led the end-to-end development of high-performance, scalable applications, coordinating frontend and backend teams to ensure seamless integration, efficient data flow, and high-quality deliverables.- Proficient in a wide range of technologies including Solidity, Hardhat, Foundry, Node.js, NestJS, React, Next.js, JavaScript, TypeScript, TanStack Query, TanStack Router, Tailwind, and Mantine.

- Crafted solidity-based Factory contracts for NFT marketplaces, incorporating Dutch Auctions, EnglishAuctions, Payment Splitter, and ERC20 token payment acceptance. - Engineered Escrow NFT marketplace contract, offering Fixed Price, Auction/Bid system, and ERC20 token purchase capabilities.- Developed Factory contracts with numerous features, such as Multiple Sales, Royalty, Token-gated Mints, Merkle Proof Whitelisting, Signature Whitelisting, Batch Minting, Lazy Minting, Reveal, Pre-reveal,AirDrop, and Payment Splitter, for NFT Drops.- Implemented a real-time Event Tracking system, syncing contract events in a centralized database.- Delivered numerous on-production NFT Drops on Ethereum, Polygon, and Binance blockchains.- Created end-to-end solutions for mint Dapps, handling both Frontend and Backend development usingNodeJS and ReactJS.- Designed a Cross-chain Layer0 protocol, facilitating seamless communication between two EVM-based chains.- Technologies utilized: Solidity, Hardhat, Truffle, NodeJS, NestJS, ReactJS, NextJS, JavaScript, TypeScript.

- Built a robust NFT Drop Factory contract in Solidity for an advanced NFT Marketplace, enabling diverse sales including Presale, Public Sale, Immediate and Delayed Reveal, and Chainlink VRF-based token randomization.- Created a cutting-edge Solidity-based NFT marketplace contract for seamless trading of NFTs using cryptocurrency and Fiat currency.- Developed Crypto Analytics, a comprehensive crypto data aggregator with powerful chart analysis tools, enhancing trading decisions.- Pioneered NFT collateralization platforms, empowering users to obtain loans using their NFT assets.- Engineered Python-based backend cloud functions for Fetch AI's Mettalex Decentralized Exchange Project on GCP.- Implemented BitQuery's GraphQL API to access blockchain data efficiently.- Contributed to the development of BSC-based Defi Solidity contracts and Automated Market Maker protocols.- Performed Smart Contract audits using state-of-the-art tools like Slither, Mythril, and Oyente.- Technologies utilized: Solidity, Hardhat, Truffle, NodeJS, NestJS, ReactJS, NextJS, JavaScript, TypeScript.

- Engineered role-based APIs for renowned education platforms like Coursera, integrated Zoom APIs for online quizzes, and implemented a secure payment system using Razor Pay.- Technologies used: Python, Django, Postman.- Developed robust APIs for seamless online food ordering systems, integrating Danzo API, Firebase Login, and notifications, and enabling smooth payments through Razor Pay.- Technologies used: PHP, Laravel, Postman.

- Created an advanced Facial Recognition system for the police department, accurately identifying faces from the NCRB database of over 1 lakh images. A sponsored project by NCRB.- Technologies used: Django, Python.