Software Engineer and Open-source contributor with working experience in Fintech, Building Smart Contracts (web3 - Blockchains), Open Source Chrome and Backend Development.
- 📖 Published my work in perplexity's showcase page, contributed to Chromium during GSoC’25.
- 🏢 Work Exp: Software Engineer @Transfi, Blockchain Engineer @Vosyn & Backend Intern @PrepInsta
- 🎓 MCA (7.33 CGPA) @ BIT Mesra, Ranchi (June 2022 – Nov 2024), Event Co-Ordinator Head (Fine Arts Society)
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Sonar Chromium AI Browser (Perplexity Hackathon, May 2025)
- Built Omnibox and context-menu AI features like "Search with Sonar" and "Context Summarization" in Chromium C++ browser.
- Demo:
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Ethereum To Polygon Bridge contract & DApp (May 2025)
- Developed a cross-chain Ethereum bridge application using Solidity smart contracts, React, and Node.js to facilitate seamless ETH-to-WETH token transfers between Sepolia testnet and Polygon Amoy networks.
- Implemented automated oracle service with ethers.js to monitor blockchain events and execute cross-chain token minting, handling real-time transaction processing across multiple networks.
- Built full-stack DApp with MetaMask integration featuring smart contract deployment, event-driven architecture, and blockchain transaction monitoring with comprehensive error handling and user feedback systems.
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KoushikCoin (ERC20 Token) (Apr 2025)
- Deployed custom ERC20 token on Sepolia using OpenZeppelin.
- Live: https://koushikcoin.surge.sh/ | Code & Txn: https://sepolia.etherscan.io/tx/0x70e6539378ed0a4b5e4d919166f9a9c94081901a99d8504f2507add881c23fa9
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PrepChat (PrepInsta) (Jan 2024 – Mar 2024)
- Real-time chat using WebSockets with token-based auth; improved performance by 25%.
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Konversify (BIT Alumni Chat) (Feb 2024 – Apr 2024)
- Scaled real-time chat + video calls for 70+ users at <50ms latency; boosted engagement by 40%.
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Residential Society Frontend (Jul 2024)
- React app for community management and events. Live & Code on GitHub.
