• Spearheaded the design and implementation of responsive user interfaces in Java, HTML, CSS, and JavaScript, delivering a 20% improvement in user engagement metrics.• Orchestrated the development of client-side logic using Angular, optimizing application responsiveness and decreasing page load times.• Integrated front-end components with server-side logic through RESTful APIs, utilizing Java and Spring Boot, resulting in a 25% reduction in data retrieval latency.• Executed the implementation of data visualization components in JavaScript, enhancing the presentation of financial data and boosting user comprehension.• Engineered and maintained server-side logic using Spring Boot, contributing to a 15% increase in overall system stability.• Managed database schemas, queries, and transactions in Java, optimizing financial data storage efficiency and reducing query response times.• Applied strong security measures in Java, ensuring security breach incident and maintaining the confidentiality of sensitive financial data.• Managed and tracked test cases using Jira and TestRail, integrating with CI/CD pipelines for continuous testing and monitoring, which reduced the testing cycle time by 40%.• Performed API testing using Postman to validate RESTful services and automated regression test suites, resulting in a 50% reduction in API response errors.• Implemented SonarQube for continuous code quality analysis, ensuring adherence to coding standards, achieving 90% code coverage with unit tests .• Used AWS Elastic Beanstalk for seamless deployment of Java Spring Boot applications with environment-specific configurations.• Configured AWS CloudWatch to monitor application metrics, generate alerts for unusual patterns, and set up alarms for API latency thresholds.• Applied OAuth 2.0 and JWT-based authentication for secure access control.

Developed server-side logic in Java and Spring Framework, significantly reducing response time for functionalities.• Architected scalable solutions using Java and Spring Framework, optimizing system performance and accommodating a 30% increase in user load.Realized responsive web interfaces using HTML, CSS, and JavaScript, contributing to an enhanced user experience and increased user engagement.• Integrated TestRail with Jenkins CI/CD pipelines, enabling automated test result reporting and reducing manual effort by 50%• Refactored APIs to follow a Microservices Architecture using Spring Cloud and implemented event-driven communication between services using Kafka.• Created detailed test cases in JIRA, ensuring traceability to user stories and business requirements, which improved test coverage by 30%• Designed and improved the database schema, implementing effective database optimization strategies, resulting in a notable reduction in query execution time and overall system efficiency.• Built APIs and seamlessly integrated third-party services, streamlining processes and reducing integration time by 20%.• Developed comprehensive integration test plans and schedules, ensuring seamless integration between subsystems and reducing integration issues by 25%.• Conducted manual end-to-end testing, smoke testing, and regression testing for critical modules to identify and fix defects early in the cycle.• Migrated relational databases to Amazon RDS (PostgreSQL) for automated backups, scalability, and high availability• Utilized AWS API Gateway for managing and securing RESTful APIs, with throttling policies to prevent misuse.

• Established and delivered responsive web interfaces using Java, HTML, CSS, and JavaScript, optimizing user experience and achieving a 20% reduction in page load times.• Implemented security best practices to reduce vulnerabilities by 30% and ensure compliance with industry standards.• Converted REST APIs to Graph QL for more dynamic and flexible interactions.• Used Postman for automated regression tests and performance benchmarks of APIs.• Enhanced application reliability by writing comprehensive unit tests and actively participating in QA processes, contributing to a 25% improvement.• Optimized both front-end and back-end code, effectively decreasing overall application response time.• Integrated RESTful APIs, improving data flow and achieving a 20% increase in system interoperability.• Collaborated with QA engineers to reduce post-release bugs through thorough testing and dedicated bug- fixing efforts.• Utilized TestRail's API to automatically pull test results from automated test suites and update the dashboard, ensuring accurate and up-to-date reporting for every build• Documented code and technical specifications, enhancing team understanding and minimizing onboarding duration.• Created parameterized requests in Postman using data from CSV/JSON files, automating large-scale tests with dynamic data inputs, reducing testing preparation time by 40%• Utilized version control best practices using Git, resulting in a 15% increase in codebase manageability.• Engaged in continuous learning, staying updated on industry trends, and integrating technologies into project development.