• Developed interactive and responsive user interfaces using React.js, HTML, CSS and Bootstrap, focusing on usability and accessibility.• Implemented role-based access control mechanisms using Spring Security, defining granular access permissions and privileges torestrict unauthorized access to sensitive information and functionality.• Implemented Custom hooks in Typescript for requests, defined generic types, interfaces to increase quality and reusability of code.• Defined Slices, utilized hooks such as useDispatch to update state and useSelector to fetch state changes from a Redux store.• Developed Rest API’s using Spring MVC and handled form submissions with ease using Java objects.• Optimized database performance through pagination and sorting functionalities though Spring Data repositories.• Reduced development times by automating deployment of services using Jenkins resulting in lower deployment time and errors by 70%• Minimized runtime errors, followed principles of test-driven development increasing quality of code and decrease of 44% of errors.