Sirak Hadgujava

Led the development of scalable, customer-facing web applications using Java (11/17), Spring Boot, and React.js, improving application responsiveness by 25%. Architected and deployed microservices with Spring Cloud, Docker, and Kubernetes, enhancing deployment efficiency and modularity. Developed RESTful and GraphQL APIs to improve communication between distributed services and front-end platforms. Integrated Kafka and RabbitMQ for real-time data streaming, boosting system throughput and reliability. Collaborated with DevOps teams to implement CI/CD pipelines using Jenkins and Terraform for AWS and Azure infrastructure automation. Implemented Spring Security, OAuth2, and JWT to reduce security incidents by 40%. Developed a comprehensive suite of tests maintaining over 90% coverage. Worked cross-functionally with UI/UX designers and product managers within Agile sprints to deliver features aligned with business goals.

Led the development of scalable customer-facing web applications using Java (11/17), Spring Boot, and React.js, achieving a 25% increase in application responsiveness. Architected and deployed microservices with Spring Cloud, Docker, and Kubernetes enhancing deployment efficiency and system modularity. Developed RESTful and GraphQL APIs to improve communication between distributed services and front-end platforms. Integrated Kafka and RabbitMQ for real-time data streaming, boosting system throughput and reliability. Collaborated with DevOps teams to implement CI/CD pipelines using Jenkins and Terraform on AWS and Azure. Enhanced security by implementing authentication and authorization with Spring Security, OAuth2, and JWT, reducing security incidents by 40%. Maintained high test coverage with unit and integration tests using JUnit, Mockito, and Selenium. Worked cross-functionally with UI/UX designers and product managers in Agile sprints to deliver features aligned with business goals

Contributed to the modernization of legacy enterprise applications by migrating monolithic systems to microservices using Spring Boot and AWS services including EC2, RDS, and Lambda. Developed responsive UI components in React.js and Angular, enhancing usability and consistency. Built and optimized RESTful APIs and SOAP web services, reducing system latency by 30%. Integrated Redis and Memcached caching mechanisms to reduce database load and improve performance. Participated in CI/CD pipeline setup with GitLab CI, Jenkins, and Docker to enable frequent deployments. Assisted in implementing secure login mechanisms using OAuth2.0 and JWT. Authored unit and integration tests using JUnit and Mocha, contributing to stable releases. Collaborated in Agile teams conducting sprint planning, code reviews, and stand-ups.