App LogoApp name
SK

Sagar kulkarni

Open to work4 years experience

Senior Frontend Developer

Bengaluru, 560047Target Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior Frontend Developer with 4+ years of experience.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

27 skills
html5css3javascripttypescriptreact.jsnext.jselectronreduxredux toolkitreact queryrest apisgrpcgraphqltailwind cssscssmaterial-uiaccessibilityperformance optimizationvirtualizationcachinggitci/cd pipelinesagile/scrumcode reviewsstorybookeslintprettier

GitHub Activity Evidence

GitHub Footprint Not Connected

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Work Experience

Senior Software Engineer

TestSigma

May 2024 - Present Bengaluru
  • Architected the Desktop Advance Recorder and SAP Step Recorder – built the full Electron app with IPC, gRPC services, and Redux persistence across 4 repositories, enabling Windows desktop and SAP GUI automation with 20+ object types
  • Developed a completeAccessibility Testing module(WCAG 2.0–2.2, A/AA/AAA) with two testing approaches, PDF reporting, and severity categorization across web, mobile, and Salesforce
  • Designed a reusable caching layer with dynamic cache times, optimistic updates, and tenant-configurable toggling – eliminating redundant API calls and improving page load performance by 30%+
  • Leading the Mobile Inspector Revamp with real-time device mirroring, AI-powered test generation, and debugger integration for iOS, Android, and Flutter
  • Bootstrapped the TMS frontend: folder structure, Redux Toolkit, ESLint, Prettier, Husky , React Testing Library , Sentry , PWA with service workers, and AuthGuard

Software Engineer

Extended Web App Tech

Feb 2022 - May 2024 Hyderabad
  • Built 8+ responsive web applications using React.js/TypeScript with reusable component library and custom hooks, reducing code duplication by 50%
  • Integrated RESTful APIs, third-party services, and performance optimizations (lazy loading, code splitting) across all projects
  • Conducted code reviews and mentored 3 junior developers , improving overall team code quality and delivery speed

Projects

TestSigma – Test Automation Platform

ReactTypeScriptElectrongRPCReduxReact Query
  • Core frontend contributor to an enterprise test automation platform – owned Desktop Recorder, SAP Recorder, Accessibility Testing, Mobile Inspector, and caching infrastructure across 5 interconnected repositories

Tax Filing Application (Keshav Chat Bot)

ReactMaterial-UIREST APIs
  • Built intelligent tax filing web application with guided workflow, real-time validation, and chatbot integration features

Financial Trading Platform (R-Financial Security)

ReactReduxChart.js
  • Developed secure trading dashboard with real-time market data integration and comprehensive user authentication system

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

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AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

JavaScript (Basic) Certificate

JavaScript (Basic) Certificate - HackerRank

Frontend Developer (React) Certificate

Frontend Developer (React) Certificate - HackerRank

About Details

Professional Bio

Senior Frontend Developer with 4+ years of experience building scalable, high-performance web applications using React and TypeScript. Specialized in frontend architecture, desktop and mobile automation tooling, performance optimization, and accessibility compliance.

Bachelor of Technology

Avanti Institute of Engineering and Technology ( - 2019)

Languages: English, Hindi
Email: Locked