Backend Development: Engineered scalable RESTful APIs and microservices using Node.js and Express.js, integrated with databases like MongoDB, MySQL, and DynamoDB for efficient data handling.AWS Cloud Integration: Deployed applications using AWS services such as Lambda, API Gateway, S3, and DynamoDB. Managed scalable environments with Elastic Beanstalk and automated infrastructure with CloudFormation.Asynchronous Programming: Optimized high-concurrency tasks by leveraging async/await and Promises to enhance performance and responsiveness.Microservices & Event-Driven Architecture: Built modular microservices and event-driven systems using AWS Lambda and EventBridge to ensure system decoupling and scalability.API & Real-Time Systems: Developed secure APIs with OAuth and JWT integrations, and implemented real-time features like live notifications using WebSockets and Socket.io.Performance Optimization: Improved application efficiency by profiling and refactoring code, significantly reducing load times.Security Implementation: Ensured secure applications by implementing robust authentication, authorization, encryption, and input validation practices.DevOps & CI/CD: Automated deployments using Docker, Kubernetes, and CI/CD tools like Jenkins and GitLab CI, ensuring smooth and reliable releases.

Microservices: Designed and implemented scalable microservices using Node.js and Express.js, integratingMongoDB and MySQL for efficient data handling. Optimized asynchronous tasks with Promises and async/await.• Library Management System: Developed a Node.js-based Library Management System with secure authentication(OAuth, JWT), managing book inventory and user roles. Collaborated with front-end teams for seamlessintegration and enhanced system performance.

Backend Development: Led the development of scalable microservices and RESTful APIs with Node.js and Express.js, integrating with databases such as MongoDB, DynamoDB, and MySQL for efficient data processing.AWS Cloud Services: Deployed and managed applications using AWS services including Lambda, S3, API Gateway, and DynamoDB. Utilized Elastic Beanstalk for scalable deployment and managed infrastructure through CloudFormation.Asynchronous Programming: Mastered asynchronous programming, handling high-concurrency tasks and optimizing event-driven architecture with Node.js using Promises and async/await.Microservices & Event-Driven Systems: Designed microservices architectures and implemented event-driven workflows using AWS Lambda and EventBridge to decouple services and improve scalability.Performance Optimization: Conducted code profiling, refactoring, and optimized I/O operations, reducing load times and improving responsiveness across applications.API & Real-Time Services: Built APIs for third-party integrations (OAuth, JWT) and real-time applications with Socket.io for features like notifications and live chat.Security Best Practices: Implemented authentication, authorization, encryption techniques, and ensured compliance with security protocols through input validation and secure data transmission.DevOps & CI/CD: Automated deployment pipelines with Docker and Kubernetes, integrated with CI/CD tools like Jenkins and GitLab CI to ensure smooth production releases.Testing & QA: Led test-driven development (TDD) efforts, ensuring high code quality and reliability with Mocha, Jest, and automated testing pipelines.

Web Application Development: Developed web applications using specific technologies such as Node.js, Python. Contributed to building scalable and efficient solutions.* API Development: Built and integrated APIs and microservices using RESTful architecture, contributing toseamless data exchange and service integration.* Code Optimization: Assisted with optimizing code and debugging to improve performance, reducing responsetimes and enhancing user experience.* Cloud Deployment: Gained hands-on experience with cloud services, working on deployment and scalingapplications using platforms like AWS.* Agile Collaboration: Worked in an agile development environment, contributing to daily stand-ups, sprintplanning, and successful project deliveries.