Aayush Ranjan

Develop and maintain scalable full-stack web applications using React.js, Next.js, Node.js, and Express.js, delivering high-performance, responsive user experiences across desktop and mobile platforms. Design and integrate secure RESTful APIs, implementing JWT authentication, role-based access control, input validation, and efficient frontend-to-backend communication. Build and manage relational databases using MySQL and PostgreSQL, including schema design, query optimization, indexing strategies, migrations, and data integrity enforcement.

Full Stack Developer - SAR Venture & Softwares Pvt Ltd - Kolkata, India

(2025-11)

• Develop and maintain scalable full-stack web applications using React.js, Next.js, Node.js, and Express.js, delivering high-performance, responsive user experiences across desktop and mobile platforms.
• Design and integrate secure RESTful APIs, implementing JWT authentication, role-based access control, input validation, and efficient frontend-to-backend communication.
• Build and manage relational databases using MySQL and PostgreSQL, including schema design, query optimization, indexing strategies, migrations, and data integrity enforcement.
• Architect global application state using Redux Toolkit (RTK), implementing async thunks, middleware, and optimized state patterns to enhance performance and maintainability.
• Leverage Redis for caching, session management, and rate limiting, improving application scalability and reducing database load under high-traffic conditions.
• Deploy and maintain production applications on AWS (EC2, S3, CloudFront), ensuring high availability, security, and consistent performance across environments.
• Manage web hosting environments via cPanel, including domain configuration, SSL certificate management, email services, database administration, and application deployments.
• Collaborate with designers and stakeholders in Agile workflows using Git, GitHub, code reviews, and CI/CD pipelines to ship high-quality, maintainable software.

Software Engineer - MountBlue Technologies - Bengaluru, India

(2025-05 - 2025-11)

• Developed responsive, mobile-first web applications using React.js, HTML5, CSS3, Tailwind CSS, and TypeScript, ensuring cross-browser compatibility, accessibility standards, and seamless UX across all devices.
• Built and integrated RESTful APIs using Node.js and Express.js, consuming data via Fetch API and Axios while implementing JWT authentication, error handling, and optimized data-fetching strategies.
• Managed application state using Redux Toolkit (RTK), implementing async thunks, normalized state structures, and performance enhancements to deliver scalable frontend architectures.
• Designed and optimized MySQL and PostgreSQL databases, including schema creation, query optimization, indexing, and data management to improve reliability and application performance.

Bachelor of Technology - Computer Science & Engineering - Millennium Institute of Technology, Bhopal (2022-09 - 2025-05)