React Js Web Developer

KALYANI PAYYAVULA

Senior Frontend / Web Developer

JavaScript, React.js, Redux, React Reusable Components, Node.js, Angular.js, TypeScript

Mountain House, CA 95391

510-***-**** ************@*****.***

EXPERIENCE

Collabera Digital (Client - Lowe’s), Bangalore

Senior React Developer

October 2022 - March 2024

• Developed and maintained Tax Exempt Sale, Onboarding Gift Cards, Temp Pass, and Tap To Pay features using React.js, Redux, and TypeScript for state management and type safety.

• Designed and developed a library of reusable React components (buttons, modals, input groups, dropdowns) to standardize UI/UX across multiple features, accelerating the development.

• Enhanced UI/UX using Material UI, improving customer engagement and accessibility.

• Developed interactive UI components using React.js and event-driven design to handle user inputs and real-time data rendering.

• Leveraged event listeners (on Click, on Change, on Submit) to manage form validation, UI state transitions, and API interactions.

• Integrated RESTful APIs and optimized performance using React Memoization and lazy loading techniques.

• Used Postman to test and validate API responses, ensuring seamless integration with backend services.

• Analyzed Kibana logs to identify issues and provided hot fixes during support weeks.

• Sent metrics to track and measure the impact of changes, ensuring data-driven decision-making.

Capgemini (Client - Smarty), Bangalore

Senior React Developer

January 2021 - September 2022

• Built dynamic web applications using JavaScript, React.js, Redux-Saga, and TypeScript for Smarty, a UK-based mobile virtual network operator.

• Improved application performance by implementing best coding practices and optimizing rendering processes.

• Led frontend development for multiple high-impact projects, ensuring timely delivery and scalability.

• Collaborated with backend teams to integrate RESTful APIs and ensure seamless data flow.

• Utilized Postman for API testing and debugging, ensuring robust and error-free integrations.

Wipro (Client - CapitalOne), Bangalore

React Developer

June 2016 - January 2021

• Contributed to the Cirrus project for CapitalOne, designing and developing responsive web applications using React, HTML, CSS, Bootstrap, and Semantic UI.

• Worked closely with backend teams to efficiently integrate RESTful APIs and ensure smooth client-server communication.

• Implemented Cypress testing for end-to-end automation, improving code quality and reducing bugs.

• Focused on performance optimization and scalability, ensuring smooth functionality for a large user base.

• Used Postman to validate API responses and troubleshoot integration issues.

Wipro (Client - Nokia), Bangalore

Fullstack Developer

June 2016 - January 2021

• Worked on the Clover project at Nokia, a cloud verification tool for performance, providing support for Amazon VCenter clouds.

• Developed a full-stack web application using Angular.js (frontend) and Node.js (backend).

• Integrated RESTful APIs for smooth client-server communication and ensured scalability, security, and performance for modern web solutions.

• Utilized Postman to test and debug APIs, ensuring reliable and efficient integrations.

Wipro (Client - US Bank), Bangalore

Angular Developer

June 2015 - March 2016

• Developed and maintained dynamic, responsive web applications using Angular.js to enhance user experience.

• Collaborated with cross-functional teams to implement new features and ensure seamless integration with backend services.

• Focused on performance optimization and scalability, ensuring smooth functionality for a large user base.

• Used Postman to test API responses and ensure data accuracy.

EDUCATION

Vellore Institute of Technology, Chennai

Master's Degree

SKILLS

• Frontend: React.js, Event-Driven Architecture, JavaScript (ES6+), TypeScript, Redux, Redux-Saga, Next.js, Angular.js

• UI Libraries: Material UI, Semantic UI, Bootstrap, Tailwind CSS

• Backend & APIs: Node.js, RESTful APIs, GraphQL, Postman

• Testing & Debugging: Cypress, Jest, Bitbucket, Grafana, Kibana

• Cloud & DevOps: AWS, Docker, CI/CD Pipelines, Jenkins

• Version Control: Git, Bitbucket

AWARDS & RECOGNITION

• Lowe's: Appreciated for delivering features individually like Tax Exempt Sale, Onboarding Gift Cards, Temp Pass, and Tap To Pay features.

• CapitalOne: Recognized for significant contributions.

• Nokia: Commended for being hardworking and completing tasks on time.

LANGUAGES

• English

• Telugu

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