Developed and deployed 3 microservices for bank loans and credit cards, significantly enhancingmodularity, scalability, and maintainability within the financial system.Implemented Spring Cloud for centralized configuration management across 8 application modules,streamlining deployment and reducing setup complexity.Incorporated RabbitMQ for message brokering, improving communication between 6 microservicesand enhancing overall system reliability.Used Docker to containerize applications, ensuring consistentdevelopment, testing, and production environments.Leveraged Spring Boot and JPA to achieve a 15% improvement in system performance, optimizingoverall efficiency and scalability of the application.Used JSON Web Token (JWT) to secure authentication and authorization across 5 key applicationmodules, enhancing security for user interactions and safeguarding API access.Leveraged Bridge and Singleton design patterns to enhance system architecture. The Bridge pattern,applied to 3 core components, improved flexibility by decoupling abstraction from implementation. TheSingleton pattern ensured single-instance management for 2 critical configuration elements, maintainingconsistency and reliability.

Developed a sophisticated visualization tool with Angular and Google Maps API, enhancing userexperiences across 10+ key features and streamlining location-based interactions.Applied local storage techniques to manage over 50 latitude and longitude data points, significantlyboosting data transmission speeds to the backend and reducing latency by optimizing data handling.Created an advanced interactive matrix module with Angular, supporting complex calculations andimproving accuracy and efficiency in user input across 5 major application areas, resulting in a morereliable and user-friendly interface.Led efforts to improve codebase reliability by designing and executing over 200 unit tests using Karmaand Jasmine, ensuring high-quality code with minimal defects and enhancing application performance.Spearheaded the creation of interactive charts with Angular and D3 Charts, significantly improvingdata visualization and analysis for 6 core reports, contributing to better decision-making and increaseduser engagement.