Engineered and optimized scalable user authentication APIs with Spring Boot, enhancing system security, reducing authentication times by 40%, and supporting millions of user logins daily.

Conducted comprehensive API testing and validation using Postman and automated scripts, significantly improving system reliability and endpoint security, resulting in a 50% decrease in bug reports and a 20% increase in user satisfaction.

Collaborated with development leads to implement and refine continuous integration and deployment pipelines using Jenkins, increasing test coverage by 30% and boosting automation efficiency, leading to faster release cycles.