Developed scalable backend with Nest.js & PostgreSQL, enabling secure MetaMask multi-session auth. Integrated BullMQ+Redis for queues, SSE for real-time AI chats, and WebSocket superchat system. Dockerized, added throttling, caching & session hardening for performance & security.

Integrated smart contract flows in React using Ethers.js & Wagmi with multi-wallet support for supply, borrow & lend. Built on-chain data indexing via The Graph. Audited contracts, fixed critical liquidation bug, and deployed secure Uniswap flash loan liquidation bot.

Clara is an application where users can create their brand or creator

account and maintain portfolios for better engagement.

Role:

● Responsible for developing react components with material UI,

worked on responsiveness in different viewports.

● Worked on integration and implementation of Formik for form

validation, and image upload component.

Tech Stack: React, Redux, TypeScript, MaterialUI, REST APIs.

Tazapay is an international payment gateway providing seamless payment

processes to B2B, a secure escrow service.

Role:

● Developed payment APIs with Nest.js.

● Uploading request file securely over SFTP.

● Setup cron service for download and delete from Sftp.

Webhook integration.

● Unit testing of API.

Tech Stack: Node.js, Nest.js, Express, Jest.