Hemanth sai kumar

Sr. Full Stack Developer

Grand IT LLC•  January 2023 - Present•  USA

Led requirement gathering sessions and collaborated with architects to design scalable, robust software solutions, improving development efficiency by 20%. Spearheaded the design, development, and testing of applications using Agile methodology, reducing time-to-market by 15%. Developed enterprise-grade applications on the Java platform using design patterns and open-source frameworks such as Spring Boot, Hibernate, Kafka, and Spark, enhancing system performance by 30%. Implemented AWS Cloud services (EC2, S3, Lambda) for scalable deployment of web applications, improving application availability by 25%. Integrated and maintained RESTful web services to ensure seamless interoperability across distributed systems, achieving 99.9% uptime. Designed and optimized databases using MySQL and Java, leading to a 20% improvement in data retrieval speeds. Utilized Kubernetes for container orchestration and deployment, increasing application scalability and reliability by 35%. Built and maintained CI/CD pipelines with Docker, Jenkins, and Atlassian Bamboo, which improved deployment speed by 50%. Created responsive UI components using HTML, CSS, JavaScript, AngularJS, and AJAX, enhancing user experience and reducing page load time by 25%. Incorporated Apache Kafka for real-time data streaming, improving data processing efficiency by 30%. Leveraged JUnit and Mockito for rigorous unit testing, boosting code coverage by 40% and reducing post-deployment bugs by 30%. Analyzed and optimized application performance, which reduced latency by 20%. Collaborated with cross-functional teams, ensuring seamless integration of new features and functionalities, contributing to a 10% improvement in project delivery timelines.

Associate Professional Software Engineer

DXC Technology•  January 2021 - December 2021•  India

Engineered Java modules to implement business rules and workflows using Spring Boot, directly contributing to a 22% increase in operational efficiency for Liberty Mutual Insurance's products (ICAM, CIEDI, EFROI). Participated in Agile Sprint planning, accurately estimating efforts for user stories and bug fixes, improving project delivery timelines by 15%. Developed and optimized complex SQL queries to manage client data, enhancing data processing speed by 18%. Automated repetitive tasks through Linux CRON jobs and bash scripting, boosting task productivity by 18%. Designed, developed, and maintained software systems using modern stacks including AWS Cloud services, ensuring 99.8% system reliability. Wrote unit tests using JUnit and Mockito, increasing code coverage and reducing bug recurrence by 30%. Built real-time dynamic dashboards for insurance brokers and agents, improving data visibility for policy and claim status. Utilized RESTful and SOAP web services for reliable communication between system components, reducing inter-system latency by 10%. Deployed code via Atlassian Bamboo CI/CD pipeline, decreasing production deployment errors by 20%. Managed source control using Git and version management with Maven, streamlining code integration and reducing merge conflicts by 25%. Conducted system performance analysis using profiling and monitoring tools, resulting in a 15% reduction in response times. Coordinated with QA teams to ensure high-quality software delivery, achieving a 95% defect-free deployment rate. Implemented Behavior-Driven Development (BDD) practices using tools like Cucumber, increasing collaboration between development and testing teams.

Software Engineer

Digital Kites (Way2Online)•  June 2018 - December 2020•  India

Developed client/server applications and dynamic web pages for products like Audience Play and Audience Prime using Angular 7, NodeJS, and MongoDB, improving client engagement by 25%. Played a key role in the Software Development Life Cycle (SDLC) phases, including requirement gathering, design, and development, reducing project delivery time by 10%. Conducted thorough end-to-end testing of products, identifying and resolving critical bugs to enhance product stability by 30%. Managed daily builds and code repositories using Git, ensuring continuous integration and delivery while reducing integration issues by 20%. Integrated third-party APIs for enhanced functionality in the products, leading to a 15% increase in feature offerings. Optimized server-side performance by refactoring NodeJS code, resulting in a 25% reduction in server response times. Collaborated with the UX/UI team to develop intuitive interfaces, increasing user retention by 15%. Deployed applications using Docker to maintain consistent environments across development, testing, and production stages.