Sujai Krishna K
FrontEnd Developer
Developer based in Bengaluru, India. I specialize in web application development and maintenance.
Work Experience
PhonePe - Innoventes Pvt Ltd
Senior Software Engineer
June 2024 — Present- Developed and scaled high-traffic frontend systems for the Pincode Org and Merchant Team using React.js and TypeScript.
- Built a dynamic Content Management System (CMS) enabling non-technical business teams to manage product listings and campaigns, significantly reducing engineering dependencies.
- Engineered the CX Console and Pulse Console analytics dashboards, improving operational visibility and customer issue resolution times.
- Led the architectural migration of legacy merchant web pages to Astro, shipping zero-JS by default and dramatically improving Core Web Vitals and application payload size.
- Contributed to the Enigma open-source UI library by standardizing design tokens and UI components for scalable theming.
- Won the internal AI Hackathon (Vibe Coding) for developing innovative agentic AI workflow solutions.
MantraLabs Pvt. Limited
Software Engineer
Nov 2021 — June 2024- Developed and maintained UI features for enterprise healthcare and InsurTech products (MLinkRx, TATA-AIA, Connect to Clinic) using React.js and Redux.
- Implemented complex Admin Panel modules, including VYMO integration, dynamic filtering, and Firebase notifications for Hero Insurance.
- Engineered dialer integrations and bulk upload features for agricultural product dashboards utilizing Firebase.
Algofusion Technologies Pvt. Ltd
Software Engineer
Sep 2020 — Nov 2021- Built enterprise banking (BFSI) transaction automation systems and Oil & Gas command center dashboards using Angular and AngularJS.
- Enhanced user interface stability and performance for cybersecurity and ITeS applications using Bootstrap and modern styling libraries.
Featured Projects
Web Platform Migration
Tech Stack: Astro, React, TypeScript, Tailwind CSS
Led the architectural migration of legacy merchant web pages to Astro, shipping zero-JS by default. Dramatically optimized Core Web Vitals, minimized application payload sizes, and improved SEO performance.
Dynamic Content Management System (CMS)
Tech Stack: React.js, TypeScript, Node.js
Engineered a highly scalable, dynamic CMS that empowered non-technical business teams to manage product listings and promotional campaigns independently, reducing engineering dependencies and accelerating time-to-market.
Enterprise Analytics & Operations Dashboards (CX & Pulse Consoles)
Tech Stack: React.js, Redux, TypeScript, Recharts / Data Visualization Libraries
Built high-performance operational consoles to track real-time merchant analytics and customer experience metrics, significantly lowering customer issue resolution times through improved data visibility.
About Me
Hi, I’m Sujai Krishna K, As a Frontend Engineer with over five and a half years of experience building scalable, high-performance web applications, I am drawn to the opportunity to bring my expertise to a dynamic, product-driven environment. My career has been defined by a commitment to modernizing legacy systems, optimizing UI architecture, and building robust tools that directly empower business operations.