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Sagar User

@sagaruser18

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Senior Frontend Engineer at TestSigma who improved page load performance by 30%+ with a reusable caching layer.

India

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At TestSigma, I engineered responsive interfaces for its enterprise test automation platform and designed a reusable caching layer that improved page load performance by 30%+.

I built a live browser-based VM streaming panel and developed desktop recorder apps with Electron, IPC, and gRPC. I also developed an accessibility testing module with PDF reporting across web, mobile, and Salesforce.

At Extended Web App Tech, I built 8+ responsive applications with React.js and TypeScript, reducing code duplication by 50%. At NanoHealth, I developed responsive UI features and reusable components for a corporate health checkup platform.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

TestSigma

May 2024 - Sep 2026 (2 years 4 months)

Engineered responsive UI components for TestSigma's enterprise test automation platform using React.js, JavaScript, and TypeScript. Designed a caching layer improving page load performance by 30%+ and built a live browser-based VM streaming panel with Apache Guacamole.

React JavaScript TypeScript Redux toolkit Webpack ESLint Prettier Husky Jest React Testing Library Sentry PWA Electron gRPC Apache Guacamole WCAG 2.X Accessibility Testing

Software Engineer

Extended Web App Tech

Feb 2022 - May 2024 (2 years 3 months)

Built 8+ responsive web applications using React.js and TypeScript with a reusable component library, reducing code duplication by 50%. Integrated RESTful APIs, performed browser-based debugging, and improved front-end performance through lazy loading and code splitting.

React TypeScript REST APIs Lazy Loading Code Splitting Code Review Mentorship