Performance Tuning, Maven, Spring Boot, Microsoft Sql Server, JIRA, Angular, Microservices, Typescript, Javascript, Aws Lambda, Jsp, Soap, Spring MVC, Npm, Spring Data, jQuery, Git, Bitbucket, Ibm Db2, MongoDB, Rest Apis, Aws S3, Unit tests, Angular components, Architectural decision-making, IBM WebSphere Liberty, CI/CD, Java 11+