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I am a results-driven Frontend Developer with over 4 years of experience specializing in designing, building, and optimizing single-page applications using React.js, JavaScript, HTML, and CSS. I excel at creating responsive interfaces, integrating APIs, and writing clean, testable code while collaborating effectively with cross-functional teams in Agile environments. I am passionate about user experience and continuous improvement, always striving to build scalable, reusable UI components and enhance application performance through techniques like lazy loading and code splitting. I enjoy mentoring junior developers and contributing to team knowledge sharing to increase sprint efficiency.…I am a results-driven Frontend Developer with over 4 years of experience specializing in designing, building, and optimizing single-page applications using React.js, JavaScript, HTML, and CSS. I excel at creating responsive interfaces, integrating APIs, and writing clean, testable code while collaborating effectively with cross-functional teams in Agile environments. I am passionate about user experience and continuous improvement, always striving to build scalable, reusable UI components and enhance application performance through techniques like lazy loading and code splitting. I enjoy mentoring junior developers and contributing to team knowledge sharing to increase sprint efficiency.

Keerthi Rayavarapu

Front-End Developer, UI Designer, Web Developer, +2

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I am a results-driven Frontend Developer with over 4 years of experience specializing in designing, building, and optimizing single-page applications using React.js, JavaScript, HTML, and CSS. I excel at creating responsive interfaces, integrating APIs, and writing clean, testable code while collaborating effectively with cross-functional teams in Agile environments. I am passionate about user experience and continuous improvement, always striving to build scalable, reusable UI components and enhance application performance through techniques like lazy loading and code splitting. I enjoy mentoring junior developers and contributing to team knowledge sharing to increase sprint efficiency.…I am a results-driven Frontend Developer with over 4 years of experience specializing in designing, building, and optimizing single-page applications using React.js, JavaScript, HTML, and CSS. I excel at creating responsive interfaces, integrating APIs, and writing clean, testable code while collaborating effectively with cross-functional teams in Agile environments. I am passionate about user experience and continuous improvement, always striving to build scalable, reusable UI components and enhance application performance through techniques like lazy loading and code splitting. I enjoy mentoring junior developers and contributing to team knowledge sharing to increase sprint efficiency.

Available to hire

I am a results-driven Frontend Developer with over 4 years of experience specializing in designing, building, and optimizing single-page applications using React.js, JavaScript, HTML, and CSS. I excel at creating responsive interfaces, integrating APIs, and writing clean, testable code while collaborating effectively with cross-functional teams in Agile environments.

I am passionate about user experience and continuous improvement, always striving to build scalable, reusable UI components and enhance application performance through techniques like lazy loading and code splitting. I enjoy mentoring junior developers and contributing to team knowledge sharing to increase sprint efficiency.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Frontend Developer at Cognizant

April 30, 2025 - August 4, 2025

Developed and maintained production-grade single-page applications using React.js and JavaScript (ES6), improving user satisfaction and performance. Implemented advanced React Hooks, Context API, and component lifecycle methods to build reusable and scalable UI components. Reduced page load time by 25% through lazy loading, API call optimization, and code splitting. Created 25+ reusable UI components, accelerating UI delivery by 35%. Integrated front-end apps with backend RESTful APIs using asynchronous JavaScript methods like Fetch and Axios. Collaborated with UX/design teams for pixel-perfect UI based on Figma prototypes. Applied SEO-friendly coding practices and worked in Linux environments for debugging and build automation. Led knowledge-sharing and mentored junior developers, boosting sprint velocity by 30%. Conducted unit testing with Jest and React Testing Library achieving 85%+ test coverage. Participated actively in Agile Scrum ceremonies.

Frontend Developer Intern at Cognizant

June 30, 2021 - August 4, 2025

Built responsive single page applications with reusable component architecture using React.js. Developed multiple marketing campaign landing pages with HTML, CSS, and JavaScript. Created dynamic forms with validation and state handling using React Hooks. Ensured cross-browser compatibility and responsive design across devices. Used GitHub for version control and collaborated using pull requests and issue tracking.