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Hi, I'm Raj Kalyan, a Senior Front-End Developer with over a decade of experience specializing in ReactJS and React Native. I love building responsive, high-performance user interfaces and have extensive expertise in a variety of modern frameworks and technologies including Angular, Node.js, and GraphQL. I take pride in crafting scalable and accessible web applications that not only meet client expectations but also enhance user experiences. I thrive in collaborative agile teams where I can contribute my skills in UI development, code quality, and mentoring others. Whether working on complex single page applications or optimizing performance through advanced techniques, my goal is always to deliver clean, maintainable, and efficient code. Feel free to connect with me on LinkedIn to know more about how I can add value to your projects!…Hi, I'm Raj Kalyan, a Senior Front-End Developer with over a decade of experience specializing in ReactJS and React Native. I love building responsive, high-performance user interfaces and have extensive expertise in a variety of modern frameworks and technologies including Angular, Node.js, and GraphQL. I take pride in crafting scalable and accessible web applications that not only meet client expectations but also enhance user experiences. I thrive in collaborative agile teams where I can contribute my skills in UI development, code quality, and mentoring others. Whether working on complex single page applications or optimizing performance through advanced techniques, my goal is always to deliver clean, maintainable, and efficient code. Feel free to connect with me on LinkedIn to know more about how I can add value to your projects!

Raj Kalyan

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Hi, I'm Raj Kalyan, a Senior Front-End Developer with over a decade of experience specializing in ReactJS and React Native. I love building responsive, high-performance user interfaces and have extensive expertise in a variety of modern frameworks and technologies including Angular, Node.js, and GraphQL. I take pride in crafting scalable and accessible web applications that not only meet client expectations but also enhance user experiences. I thrive in collaborative agile teams where I can contribute my skills in UI development, code quality, and mentoring others. Whether working on complex single page applications or optimizing performance through advanced techniques, my goal is always to deliver clean, maintainable, and efficient code. Feel free to connect with me on LinkedIn to know more about how I can add value to your projects!…Hi, I'm Raj Kalyan, a Senior Front-End Developer with over a decade of experience specializing in ReactJS and React Native. I love building responsive, high-performance user interfaces and have extensive expertise in a variety of modern frameworks and technologies including Angular, Node.js, and GraphQL. I take pride in crafting scalable and accessible web applications that not only meet client expectations but also enhance user experiences. I thrive in collaborative agile teams where I can contribute my skills in UI development, code quality, and mentoring others. Whether working on complex single page applications or optimizing performance through advanced techniques, my goal is always to deliver clean, maintainable, and efficient code. Feel free to connect with me on LinkedIn to know more about how I can add value to your projects!

Available to hire

Hi, I’m Raj Kalyan, a Senior Front-End Developer with over a decade of experience specializing in ReactJS and React Native. I love building responsive, high-performance user interfaces and have extensive expertise in a variety of modern frameworks and technologies including Angular, Node.js, and GraphQL. I take pride in crafting scalable and accessible web applications that not only meet client expectations but also enhance user experiences.

I thrive in collaborative agile teams where I can contribute my skills in UI development, code quality, and mentoring others. Whether working on complex single page applications or optimizing performance through advanced techniques, my goal is always to deliver clean, maintainable, and efficient code. Feel free to connect with me on LinkedIn to know more about how I can add value to your projects!

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Front-End Developer (React Js) at MEDTRONIC

June 1, 2021 - Present

Developed dynamic and responsive web applications using React.js and TypeScript, implementing component-based architecture, Redux for state management, and React Router for SPA navigation. Led accessibility compliance efforts with WCAG 2.0 standards and enhanced performance through lazy loading, virtualization, and CDN integration. Managed unit and automated testing using Jest, Enzyme, and React Testing Library. Mentored team members and handled code reviews, CI/CD pipeline integration, and deployment on cloud environments including AWS. Migrated UI components to newer versions of Material UI and utilized Java for back-end API development. Worked in Agile teams ensuring cross-browser compatibility and code quality.

Senior Front-End Developer (React JS/ Sencha) at QUIKTRIP

May 31, 2021 - July 11, 2025

Led front-end development using React.js, AngularJS, and TypeScript, crafting dynamic SPAs optimized for performance and SEO. Developed and maintained RESTful APIs using Node.js and managed databases with PostgreSQL. Coordinated deployments on AWS cloud and integrated automated testing with Sauce Labs. Enhanced application responsiveness and security, collaborated with clients on requirements, and mentored junior developers. Developed AngularJS features including reusable components and conducted mobile responsive design adaptations. Utilized tools like Jest, Enzyme, WebPack, and Jira for development workflow.

Front-End Developer (React Js) at BLUE YONDER, INC.

September 30, 2017 - July 11, 2025

Developed Vue.js single page applications for e-commerce platforms, standardized UI design systems using Vuex and Vuetify, and created data visualization dashboards with D3.js. Reduced bundle sizes through Webpack and automated UI testing using Cypress. Implemented micro-frontend architectures and Progressive Web App functionalities. Co-designed RESTful APIs and conducted user experience improvements through usability testing. Modernized legacy systems migrating to Vue 3 Composition API.

Front-End Developer (React JS/ Sencha) at Cyient - Hyderabad Onsite

August 31, 2014 - July 11, 2025

Designed and developed complex UI screens using Ext JS and Sencha Touch frameworks. Created custom UI components and implemented MVC frameworks. Addressed cross-browser compatibility, performed debugging and deployment, handled frontend architecture ensuring pixel-perfect designs, and integrated mobile native features using Cordova plugins. Acted as a mentor for Sencha technologies and applied responsive design principles for desktop and mobile. Certified Sencha Touch Developer with expertise in hybrid mobile applications and lazy loading optimization techniques.