Heenab Bhatia

Developed user interfaces using Vaadin's layout components such as VerticalLayout, HorizontalLayout, GridLayout, and Div. Created KPIs for lease calculations, comparing financial year impacts and loan predictions using Java, and designed responsive layouts with custom CSS. Developed a service layer using binder objects to validate and bind data. Designed queries for storing, sorting, and retrieving KPI data as documents in Apache Solr. Wrote unit tests using JUnit combined with mocking frameworks like Mockito.

Designed, implemented, and exposed RESTful APIs for seamless integration of systems like DOM and SAP to sync customer orders and account details using RAML. Refactored APIs in Mule ESB with DataWeave transformations for complex data mappings and direct DB system connections to reduce backend dependency. Developed complex workflows, data transformations, and exception handling to optimize business operations. Implemented error handling strategies with custom logging to capture and track data inconsistencies, improving overall system reliability. Managed performance testing environment setup, deployment, AEM content publishing, and post-analysis using tools like OEM, Dynatrace, and GCanalyser. Provided production performance support during high-volume sales and maintained stability through upgrades.

Completed a three-month classroom training programme on Core Java, HTML, MVC, Design Patterns, Git, and Agile methodology. Worked on a Struts-based application, an e-book store, including template creation and component integration in AEM during a shadow project.