Ratan Kumar Email & Phone Number

Gurugram, Hr, In

1. Frontend Development: Created multiple pages of user interfaces using React JS and Ant Design (Antd) for consistency, integrated Redux for state management and implemented GraphQL for efficient data operations on the web dashboard.2. Backend Development and API Integration: Contributed to backend development with Ruby on Rails and SQL, managed complex invoicing logic to reduce manual efforts of our OPS Team, integrated APIs for international client support, handled payments and refunds with Stripe, and optimized caching strategies in the backend with Redis.3. Firestore Management and Security: Developed a real-time chat page using Firestore, authored security rules to safeguard data, and improved app performance by 50% by reducing listeners and queries.4. Cloud and CDN Management: Worked with AWS services including CloudFront and S3 for optimized content delivery, and implemented AWS security measures to restrict unauthorized access using temporary keys.5. Plugin Implementation: Implemented several pages using HTML, CSS, Vanilla JS, and AJAX, enhancing application functionality and user experience.

Gurugram, Haryana, India

Jhansi, Uttar Pradesh, India

Worked on User interface design, Worked on algorithm, Hands on experience on some full stack development.