09/17/2026 updated

JG
100 % available

Senior Frontend Software Engineer | React | React Native | Next.js

Salem, India
Only remote
B.E. - Electrical & Electronics, Coimbatore Institute of Technology (2017-2020)
Salem, India
Only remote
B.E. - Electrical & Electronics, Coimbatore Institute of Technology (2017-2020)

Profile attachments

JagadeeshGJ_Resume_Frontend.pdf

JavaScriptNext.jsReact.jsGoogle FirebaseAngularJSReact NativeReact Redux
React & React Native Development
4+ years of experience building responsive, accessible, high-performance web and mobile UIs with React, React Native, and Next.js. Expertise in component-driven architecture, translating UI/UX designs into clean, maintainable code, and delivering cross-platform applications for Android and iOS.

State Management
Strong background in state management using Redux (Toolkit), Context API, and Zustand. Application of these tools across multiple large-scale projects including fintech, e-commerce, and SaaS platforms.

Testing & Quality Assurance
Extensive experience with Jest and React Testing Library, having authored 779+ unit and component tests. Setup of Jest test infrastructure to improve code reliability and maintainability across multiple projects.

JavaScript & TypeScript
Proficiency in JavaScript (ES6+) and TypeScript for building scalable, type-safe frontend applications. Usage across multiple projects including SaaS platforms and B2B inventory management systems.

CSS & Responsive Design
Expertise in Tailwind CSS, Bootstrap, Material-UI, Styled Components, and responsive/adaptive layouts. Building of complex UI components for dashboards, tables, and forms across various platforms.

RESTful APIs & Backend Integration
Integration and consumption of complex REST APIs with robust error handling. Experience with Async/Await, Firebase, PostgreSQL, and Socket.io for real-time features and backend connectivity.

Build Tools & Version Control
Hands-on experience with Webpack, Babel, Vite, Git, and GitHub for efficient build pipelines and version control in agile, remote-first development environments.

Accessibility & Performance Optimization
Implementation of cross-browser compatibility, Web Accessibility (WCAG) standards, code splitting, and lazy loading. Reduction of app bundle size by approximately 30% and improvement of load times through asset optimization.

Cloud & DevOps Tools
Experience with AWS, Vercel, Netlify, Heroku, GCP, Jira, Sentry, and CI/CD pipelines. Management of app deployments on Google Play Store and Apple App Store, and migration of projects between cloud platforms.

Authentication & Security
Implementation of secure authentication flows including biometric (FaceID/Fingerprint), MPIN, OTP, token-based validation, and social login solutions across multiple mobile and web applications.

Experience

Professional experience0 - 5 years
Freelancer since2026

Languages

EnglishGood

Project history

Senior Developer

Best Labz
Senior Developer working remotely from Thanjavur, India. Key projects include Zonke (fintech multi-app ecosystem with React Native, Redux, Firebase, Sentry), Hefgro (B2B SaaS inventory and procurement platform with React.js, Next.js, TypeScript, Tailwind CSS, Redux), VaaThamby (e-commerce and credit app with React Native, Redux), Cureboon (cross-platform healthcare app with React Native), OceanHub (boat booking platform with React Native, Socket.io), AgriPay (e-commerce app with React Native, Redux), Flystar (SaaS platform with Next.js, TypeScript, Tailwind CSS), and other projects including Agreap, Credit Triangle, LKN, and LetsCast.

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