• Developed a microservices architecture using Spring Framework, MySQL, and AWS for a robotic vacuum application, modularizing features like scheduling, mapping, and user settings• Extracted and analyzed logs from Ayla and AWS S3 to gain insights into robot behavior and performance, improving troubleshooting efficiency by 30%• Implemented Apache Kafka for real-time data processing and managing seamlessly data streams• Optimized database design by structuring primary keys, table relationships, and schemas, leading to a 20% increase in data management efficiency• Streamlined development processes with Jira and GitLab, and contributed to Software Requirements Specifications (SRS) to ensure alignment with user needs

• Designed an eBook reading and trading platform using Spring MVC and Java, focusing on core functionalities such as user registration, eBook uploading, and user management• Coordinated the design of the database schema using MongoDB for user and transaction data, as well as e-book PDFs, while integrating Cloudinary for image storage• Interfaced with web services through HTTP requests and JSON response parsing for seamless data integration• Developed a secure user authentication and authorization module using OAuth2.0• Implemented CI/CD pipelines using Docker and Kubernetes to automate testing and deployment, enhancing workflow efficiency

• Developed a financial recommendation service using Node.js and React to analyze users’ financial data and preferences for personalized investment suggestions, leading to a 30% increase in investment rates• Designed the front-end UI with React.js, implementing Redux for authentication and utilizing React Hooks for optimized component functionality• Analyzed the quarterly and annual capital transactions and flow status of high-risk clients using SQL queries, intercepted suspicious transactions, and achieved a 100% transaction compliance rate• Managed front-end components using HTML, CSS, and JavaScript, reducing survey completion time by 15% and enhancing user experience• Engaged in Agile environments such as daily stand-ups and sprint retrospectives to drive continuous improvement