Developed scalable full stack Java applications following Software Development Life Cycle (SDLC) and Agile methodologies, successfully managing 1 million transactions per day.

Developed backend RESTful and GraphQL APIs using Spring MVC and Spring Boot, reducing API response time by 120 milliseconds and enhancing data retrieval accuracy, ensuring efficient and reliable backend operations.

Implemented state management in React applications using Redux and ReactHooks, improving feature responsiveness by 30% for cart management and product filtering.

Built UI components using Spring View, HTML5, CSS, Bootstrap, JavaScript, TypeScript, and React.js, decreasing load times to under 2 seconds.

Designed event-driven architecture with Apache Kafka, supporting 100k asynchronous messages per second, improving communication reliability across microservices.

Containerized applications with Docker and deployed using Kubernetes, ensuring 24/7 system availability with automated scaling during peak loads.

Streamlined CI/CD workflows with Jenkins, Git, and containerization, cutting release cycles from 1 week to 2 days and significantly improving deployment speed.

Created automated testing frameworks using Selenium for UI tests and JUnit for unit tests, increasing coverage to 95% and reducing production bugs from 50 to 5 per release.

Optimized Amazon Web Services(AWS) infrastructure (S3, SNS, SQS, IAM, DDB, Cloud Watch, EC2, API Gateway, Lambda) to maintain uptime for 1 million active users, while reducing cloud expenses by $50k annually

Utilized Redis caching, reducing database query load by handling 250k cached requests daily, significantly enhancing system performance.

Built and integrated RESTful APIs with Spring Boot and Node.js, supporting over 500k monthly transactions while collaborating with cross-functional teams to ensure seamless data transfer, efficient workflows, and alignment with business objectives.

Boosted user interaction levels by enhancing the front-end experience using Angular, leading to an increase in engagement from 5k users daily through the implementation of interactive front-end components and effective state management.

Strengthened security protocols with OAuth 2.0 and JWT, securing data for more than 10,000 users.

Redesigned database queries and optimized indexing in MySQL and MongoDB, reducing data retrieval time from 2 seconds to under 500 milliseconds for complex application workflows.

Deployed and Managed cloud-based applications on Microsoft Azure, leveraging Azure services like Virtual Machines, Azure Functions, and Azure SQL Database to maintain 99.9% uptime and reduce infrastructure costs by 30%.