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Hi, I’m Karthick, a freelance Senior Front-End Developer based in Chennai with 13+ years of experience crafting scalable, responsive web applications. I specialize in React.js and TypeScript, building reusable component libraries and performance-optimized UI that scales for enterprise-grade applications. I thrive in collaborative, Agile environments, work closely with clients on requirements, and ensure UI/UX is accessible and pixel-perfect. I’m comfortable with API integration, testing with Jest, and maintaining clean, maintainable code across teams.…Hi, I’m Karthick, a freelance Senior Front-End Developer based in Chennai with 13+ years of experience crafting scalable, responsive web applications. I specialize in React.js and TypeScript, building reusable component libraries and performance-optimized UI that scales for enterprise-grade applications. I thrive in collaborative, Agile environments, work closely with clients on requirements, and ensure UI/UX is accessible and pixel-perfect. I’m comfortable with API integration, testing with Jest, and maintaining clean, maintainable code across teams.

R. Karthick

Web Designer, Web Developer, Front-End Developer, +7

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Hi, I’m Karthick, a freelance Senior Front-End Developer based in Chennai with 13+ years of experience crafting scalable, responsive web applications. I specialize in React.js and TypeScript, building reusable component libraries and performance-optimized UI that scales for enterprise-grade applications. I thrive in collaborative, Agile environments, work closely with clients on requirements, and ensure UI/UX is accessible and pixel-perfect. I’m comfortable with API integration, testing with Jest, and maintaining clean, maintainable code across teams.…Hi, I’m Karthick, a freelance Senior Front-End Developer based in Chennai with 13+ years of experience crafting scalable, responsive web applications. I specialize in React.js and TypeScript, building reusable component libraries and performance-optimized UI that scales for enterprise-grade applications. I thrive in collaborative, Agile environments, work closely with clients on requirements, and ensure UI/UX is accessible and pixel-perfect. I’m comfortable with API integration, testing with Jest, and maintaining clean, maintainable code across teams.

Available to hire

Hi, I’m Karthick, a freelance Senior Front-End Developer based in Chennai with 13+ years of experience crafting scalable, responsive web applications. I specialize in React.js and TypeScript, building reusable component libraries and performance-optimized UI that scales for enterprise-grade applications.

I thrive in collaborative, Agile environments, work closely with clients on requirements, and ensure UI/UX is accessible and pixel-perfect. I’m comfortable with API integration, testing with Jest, and maintaining clean, maintainable code across teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Tamil

Fluent

Work Experience

Senior Specialist - Software Engineering at LTIMindtree Pvt Ltd

August 1, 2021 - Present

Led front-end architecture and development using React.js and TypeScript to ensure scalable and modular design. Built responsive UI components with HTML5, SCSS, and Tailwind CSS following modern UX standards. Implemented unit testing using Jest and mentored team members while enforcing front-end best practices. Collaborated in Agile ceremonies, engaged in client discussions for requirement clarity, and ensured version control and CI/CD with Azure Repos. Worked on notable projects for clients including Bass Pro Shops, Unilever One Pricing, and American Red Cross across various front-end technologies.

Senior Software Engineer at Photon Interactive Pvt Ltd

July 31, 2021 - August 13, 2025

Developed responsive front-end interfaces with React.js, HTML5, Tailwind CSS, and SCSS, focusing on performance and cross-browser compatibility. Built reusable modular components and managed state cleanly using best practices. Collaborated in Agile workflows with Jira for sprint planning and task tracking. Maintained version control via GitHub and Bitbucket while handling merges and code reviews. Integrated front-end with APIs, coordinated with designers and backend developers, and performed unit testing and UI validation on projects for clients such as Mars, Walgreens, NetJets, Bloomsbury, and others.

Associate Project at Elite Software Solutions Pvt Ltd

July 31, 2014 - August 13, 2025

Developed and maintained responsive web pages using HTML5, CSS3, and Bootstrap ensuring mobile and cross-browser compatibility. Created dynamic interactive components with jQuery to enhance UI experience. Translated design mockups to functional layouts in collaboration with UI/UX designers. Participated in daily stand-ups to report progress and resolve blockers, performing UI testing, debugging, and optimization to ensure code quality on projects including Houghton Mifflin Harcourt and Lippincott Williams & Wilkins.

Associate Project at Ellaar Infotek Pvt Ltd

September 30, 2011 - August 13, 2025

Designed and developed user interface components with Flash and Flex, ensuring consistent and interactive UI behavior. Customized components with CSS for brand compliance and client requirements. Worked with XML for dynamic content integration. Created reusable custom components to improve modularity and maintainability. Collaborated with designers and back-end developers in daily meetings and resolved UI/UX challenges. Worked on projects such as DigiBook and Global eWorkbook focusing on UI development and design.

Senior Front-End Developer / Technical Lead at Freelance

August 1, 2011 - Present

Designed and developed scalable front-end architectures using React.js & TypeScript. Built reusable UI libraries and component systems with Tailwind CSS, SCSS, Bootstrap. Implemented robust data flows with Redux Toolkit, improving application performance. Conducted client discussions, requirement analysis, and end-to-end UI delivery. Performed unit testing with Jest ensuring high code quality and stability. Executed UI/UX development with focus on accessibility, responsiveness, and maintainability. Managed Git workflows, code reviews, and Agile-based sprint planning. Delivered high-performance, SEO-friendly, and pixel-perfect applications for global clients.