Pratheesha B

FullStack Developer | React.js | TypeScript | Redux | RESTful APIs

Talent

Indian HillsMember since May 30, 2026

React.jsTypeScriptJavaScript (ES6+)HTML5CSS3Tailwind CSSRedux ToolkitContext APIReact HooksNode.jsExpress.jsRESTful APIsJWTOAuth 2.0Passport.jsWebSocketsSocket.ioJestReact Testing LibraryMongoDBMongooseMySQLAES EncryptionbcryptHTTP-only CookiesRBACOWASP Best PracticesJavaC++Groovy

Hire this person

Send a job offer directly to this candidate

React.jsTypeScriptJavaScript (ES6+)HTML5CSS3

About

Results-driven Frontend Developer with 1+ year of experience building scalable, high-performance web applications using React.js, TypeScript, and modern JavaScript (ES6+). Proven ability to improve application performance by 45%, implement robust state management with Redux Toolkit and Context API, and deliver RESTful API integrations with 99.9% uptime. Experienced in writing unit and integration tests using Jest and React Testing Library.

Strong collaborator in cross-functional Agile teams, with a focus on clean, maintainable code and exceptional user experience.

Experience

Full Stack Developer at Arbeit AI (2025-04 – Present)

Developed 30+ production-ready frontend modules using React.js with TypeScript, following modern ES6+ development practices and enterprise SDLC standards.
Boosted application performance by 45% using code splitting, lazy loading, and memoization — applying performance optimization best practices for high-quality user interfaces.
Managed global state using Redux Toolkit and Context API, enabling consistent, predictable data flow across large-scale application features.
Integrated RESTful APIs with asynchronous programming patterns (async/await, Promises), maintaining 99.9% uptime and sub-200ms response times.
Maintained codebase using Git with branching strategies; collaborated with cross-functional teams including designers, backend engineers, and QA through Agile sprints.

Frontend Developer Intern at Checkpoint Systems (2025-01 – 2025-05)

Built inventory management UI in React.js with TypeScript serving 500+ retail locations, achieving 98% cross-browser compatibility and adherence to performance best practices.
Reduced page load time by 40% via memoization and virtualization; cut data inconsistencies by 85% using Redux Toolkit for centralized state management.
Wrote unit tests and component tests using Jest and React Testing Library, ensuring code reliability and reducing regression bugs during iterative Agile delivery.