sriramkasyap

Co-authored an Ethereum Smart Contract using Solidity for off-chain bulk authorization and atomic execution of payments, deployed across major EVM networks. Architected and implemented a full-stack payment infrastructure using Node.js/Express/MongoDB backend and Next.js frontend, processing over $500M+ in on-chain transactions. Led an engineering team in delivering multiple sub-products from concept to production using Typescript, React, React Native and Node.js. Engineered a comprehensive on-chain transaction bookkeeping system using Node.js, Express.js, deployed on AWS EC2, SQS, and MongoDB. Owned end-to-end product management responsibilities including user research, roadmap planning, design collaboration, Quality Assurance and sprint planning while leading technical delivery.

Re-platformed a monolithic PHP/MySQL e-commerce site to full MACH architecture using Node.js, DynamoDB, API, Cloud-native CDK infra, and a headless React storefront—cutting infra costs 95 % and scaling to > 2 M requests/hour. Shipped a logistics service that drove order-dispatch accuracy to 99.5 % +, and built an admin portal in React that reduced manual ops time 60 %. Coordinated with a team of developers to develop, deploy and maintain a mobile e-commerce app built in React Native.

Developed and maintained websites and landing pages for various clients using HTML, CSS, JS, and PHP. Involved right from Marketing Strategy and UI design stages, up until successful deployment and continuous maintenance.

Developed and maintained websites built in PHP, MySQL, Wordpress and codeigniter for various clients. Developed dashboards for various in-house analytics tools in HTML, CSS and JS. Developed an in-house CMS for easy development and reuse of components in client Websites using PHP, MySQL.