Thamizh Alagan

Frontend Developer with 3 years of professional experience building responsive, scalable, and maintainable web applications using React.js, TypeScript, JavaScript, HTML5, CSS3, Redux Toolkit, and REST APIs. Experienced in developing reusable UI components, data-driven frontend modules, state management workflows, and third-party API integrations for production applications. Strong focus on responsive UI development, frontend performance optimization, cross-browser compatibility, and maintainable component architecture.

Experienced collaborating with designers, backend developers, and cross-functional teams in Agile/Scrum environments to deliver production-ready web applications. Experienced owning frontend features end-to-end from requirements clarification with product stakeholders through implementation, deployment, and performance optimization.

MERN Stack Developer at La Confianza Tech (2024-10 – 2026-05)

• Developed and maintained 2 production Shopify applications using React.js, Redux Toolkit, Node.js, Express.js, MongoDB, and REST APIs for shipping automation and merchant communication flows.
• Collaborated with 3+ developers, UX/UI designers to deliver responsive, cross-browser-compatible interfaces across 11+ screens.
• Built 8+ responsive React frontend modules using reusable components and centralized state management, translating UI requirements into maintainable and consistent interfaces across multiple screens.
• Integrated 10+ REST API endpoints to support CRUD operations, dynamic data rendering, state-driven workflows, and third-party service integrations.
• Integrated FedEx and UPS APIs to support real-time shipping rates, shipment creation, cancellation, and shipment management within Shopify dashboards.
• Implemented Meta Webhooks to process real-time order and merchant communication events across frontend and backend workflows.
• Applied memoization, lazy loading, and code splitting, reducing dashboard render time by 30% across large, data-intensive Shopify screens with frequent real-time updates.
• Implemented form validation and React Error Boundaries across shipment and merchant-configuration workflows, cutting component-level runtime errors by 25%.
• Containerized both applications with Docker for consistent development and deployment environments, and managed version control and release workflows with Git/GitHub.

Frontend Developer at Squash Apps (2023-07 – 2024-10)

• Developed frontend features for 2 web applications: an Education Portal and a Hospital Appointment Management System using React.js, TypeScript, Redux Toolkit, and REST APIs.
• Built 6+ frontend modules across the Education Portal (student workflows) and Hospital Appointment Management (patient and doctor workflows).
• Implemented centralized state management with Redux Toolkit and integrated 6+ REST APIs using Axios for dynamic data and application workflows.
• Worked alongside a 5+ member cross-functional team (backend, design) to launch frontend features for multiple concurrent projects without missing sprint deadlines.
• Developed responsive, cross-browser-compatible interfaces for healthcare workflows covering patient records, doctor scheduling, and appointment booking.
• Troubleshot frontend UI, API integration, and browser compatibility issues using Chrome DevTools, Postman, and browser debugging techniques, identifying root causes and implementing fixes across production workflows.

Web Development Intern at Yellow Summer (2023-05 – 2023-06)

Bachelor of Engineering in Civil Engineering – SriGuru Institute of Technology, Coimbatore (2014 – 2018)