Backend Development for a Fintech Webapp:• Backend architecture and development for a high-availability fintechplatform.• Designed and implemented secure APIs, transaction processing systems, and realtime data pipelines to support seamless financial operations.• Ensured platform scalability and performance optimization, handling complexbusiness logic and large volumes of data.Team Collaboration Using Scrum Methodology:• Actively participated in Scrum ceremonies, including sprint planning, daily stand-ups,and retrospectives to ensure smooth workflow and delivery of features.• Collaborated closely with cross-functional teams, including front-end developers, UI/UX designers, and product managers, to deliver iterative releases and improve theapp’s functionality.• Adapted quickly to changing priorities and requirements, contributing to acontinuous integration/continuous deployment (CI/CD) environment.Developing and Maintaining Java Spring Boot Microservices with a Focus on Testing:• Built and maintained robust microservices using Java and Spring Boot, following bestpractices for modularity, reusability and testability.• Designed and implemented comprehensive unit tests using JUnit and Mockito,ensuring high code coverage and reliability of individual components.• Developed and executed integration tests to validate interactions betweenmicroservices and external systems, ensuring smooth data flow and functionalityacross the platform.• Worked closely with QA teams to design and run end-to-end (E2E) tests, simulatingreal-world user scenarios to validate system behavior and performance under load.• Integrated testing frameworks into CI/CD pipelines, ensuring automated testexecution and early detection of issues during the development lifecycle