- Developed an industry-first consolidation of complex data in front-end web apps, visualizing over 100k transaction records in a single dashboard by problem-solving an intuitive interface with React and implementing real-time performance monitoring techniques to efficiently handle large datasets and enhance user experiences.- Enhanced frontend performance with a 40% reduction in initial page load time by collaborating with product and support teams to implement SDLC best practices, conducting thorough code reviews, and troubleshooting asset delivery, utilizing advanced JavaScript and TypeScript features for more efficient and readable code.- Resolved compatibility issues with third-party libraries in a React environment, reducing bug reports by 30% and improving the application's overall stability through rigorous testing with Jest and Cypress, while adhering to security best practices in API integrations and refining existing UI design for a 25% increase in design consistency.- Collected and integrated user feedback into iterative design improvements, resulting in a 15% increase in user satisfaction ratings, facilitated by efficient collaboration using JIRA and Git within Scrum frameworks to deliver beautiful and functional UIs and APIs, while leveraging TypeScript to enhance code reliability and developer productivity.

- Optimized system downtime by 30%, as shown in monthly server logs, by refactoring a job fair web application using PHP Laravel 8 framework and JavaScript.- Boosted user registration completion rate by 40% as reported by analytics, by redesigning the registration process.- Enhanced project structure and MySQL functionalities, including form validation and user-friendly error handling, to streamline the user experience.- Increased cross-team project completion rate by 25% according to quarterly reviews, by accurately interpreting requirements and proposing effective technical solutions.- Facilitated communication between teams to ensure alignment and timely delivery of project milestones.

• Developed front-end design with back-end services and databases to help used car search andcomparison with 2 scattered charts and price patterns from 500+ used car models.• Designed and modified backend APIs and REST architectures using Python with testable, efficient code.• Worked on CI-CD process and container-based architectures to establish a development environmentand contributed technical architecture for DevOps.• Followed Agile development methodology with GIT repos and maintained readable projectdocumentation.• Wrote unit test automation and how can share the development environment by Docker.• Interacted with 3 team members to plan and estimate development tasks.