Sai Kolla
Junior Full Stack Java Developer | 2 Years in Application Development
Junior Full Stack Java Developer with two years of hands-on experience in designing and developing applications using Java, Spring Boot, Hibernate, and Microservices. Skilled in building and integrating REST APIs, developing responsive frontends with HTML, CSS, Bootstrap, JavaScript, and TypeScript, and optimizing databases with SQL and ORM tools. Familiar with AWS, Docker, Kubernetes, Apache Kafka, and Agile methodologies. Passionate about problem-solving, collaboration, and delivering scalable solutions in dynamic environments.
Developing scalable web applications using Java, Spring Boot, Hibernate, and Microservices, integrated with responsive frontends built in React.js, Angular, and Bootstrap.
Building and integrating REST APIs and RESTful APIs with secure authentication (OAuth 2.0), ensuring seamless communication between services and front-end applications.
Designing and optimizing databases in PostgreSQL, MySQL, and MongoDB, using indexing, caching, and ORM tools to improve query performance and scalability.
Deploying applications on AWS (EC2, S3, RDS) with Docker and Kubernetes, leveraging CI/CD pipelines for efficient and automated deployments.
Implementing asynchronous communication between microservices using Apache Kafka and JMS, ensuring system scalability and reliability.
Writing and executing unit and integration tests with JUnit, Mockito, Selenium, and REST Assured to ensure code quality and reliability across applications.
Experienced in developing enterprise-grade web applications using Java, Spring Boot, Hibernate, and Microservices, combined with modern front-end frameworks such as React.js, Angular, and Bootstrap. Focused on scalable architecture and performance optimization.
Designing and implementing RESTful APIs with Spring Boot and Jersey, including secure authentication and authorization using OAuth 2.0 and JWT. Skilled in API testing with Postman and REST Assured for reliability and scalability.
Proficient in PostgreSQL, MySQL, and MongoDB with expertise in indexing, normalization, query tuning, and ORM tools such as Hibernate and JPA. Skilled in designing schemas and improving performance for data-intensive applications.
Deploying and managing applications on AWS using EC2, S3, and RDS. Skilled in containerization with Docker and orchestration with Kubernetes. Experienced in setting up CI/CD pipelines with Jenkins and GitHub Actions for automated deployments.
Implementing distributed and event-driven systems with Apache Kafka, JMS, and RabbitMQ. Experienced in handling asynchronous communication between microservices and ensuring high availability and fault tolerance.
Ensuring application quality with automated unit and integration tests using JUnit, Mockito, and Selenium. Skilled in REST API testing with REST Assured and end-to-end test automation for continuous delivery pipelines.
Designed and implemented scalable microservices for mortgage loan processing at Rocket Mortgage. Built RESTful APIs, optimized backend performance, and integrated CI/CD pipelines to streamline financial workflows.
Worked with Infosys on designing and developing an ERP solution integrating finance, HR, and supply chain modules. Focused on modular architecture, database optimization, and secure user access management.
Developed a secure API gateway with JWT-based authentication and role-based access control. Enabled seamless third-party integrations while ensuring data security and compliance with industry standards.
Led migration of on-premise applications to AWS cloud. Designed CI/CD pipelines using Jenkins, automated infrastructure provisioning with Terraform, and improved system availability through containerization.
Implemented a real-time data streaming solution using Apache Kafka for handling millions of financial transactions per day. Optimized message queues and built monitoring dashboards for system reliability.
Developed an automated testing framework integrating Selenium, JUnit, and Jenkins. Reduced manual QA cycles by 50% while improving defect detection and reporting with real-time dashboards.
Designed and deployed a scalable microservices-based application on AWS, integrating CI/CD pipelines with GitHub Actions and Docker, improving deployment efficiency by 60%.
Implemented an AI-powered analytics dashboard using Python and React.js, enabling real-time insights for business teams and reducing reporting time by 75%.
Developed a high-performance web scraping and automation framework using Python, RabbitMQ, and ElasticSearch, extracting structured data from 15+ global platforms with GDPR compliance.
Assisted in the design, development, and maintenance of full-stack web applications using Java 17, Spring Boot, Hibernate, and Microservices architecture.