Archishman Sengupta

Software Engineer

Private Company•  October 2021 - March 2022

Implemented Hash Generation Algorithm to generate Merchant Key Hash for PayU’s Payment Gateway Hash API based on 12 parameters. ● Integrated Rest-APIs with JAVA SpringBoot, JVM Tools & MySQL thus reducing the code cache by 10%. ● Optimized the source code of two production applications, resulting in increased usability and reduced run time performance by 50%. ● Devised a three-tiered payment model for increasing average sales by 35% & margin by 12%.

Software Engineer

Private Company•  December 2021 - February 2022

Developed a decentralized cross-chain crowdfunding web app, Monsterpad. Used web3.dart package for connecting the flutter app to the blockchain. - Data was fetched from Firebase Firestore, WebApp was able to handle more than 60k requests from more than 50 countries. Fetched total amount raised for each project from their respective block explorer(Polygon Scan and BSC Scan). - Developed an NFT lottery web app, Lucky Mint - Integrated Metamask Wallet inside the web app for allowing the users to interact with polygon chain(buy tokens) - Used Moralis SDK for fetching token data(token owners list and price of tokens).