Sean Chen

Led end-to-end development of scalable web applications, reducing load times by 30% through optimized backend and frontend integrations. Mentored junior developers, improved coding standards, and accelerated project delivery. Designed and implemented RESTful APIs and contributed to SaaS solutions, increasing customer retention. Automated deployment pipelines with Jenkins and Docker, reducing release cycles by 40%. Collaborated with cross-functional teams, assisted clients with performance troubleshooting, and developed mobile-responsive interfaces. Conducted code reviews, optimized database queries, ensured security best practices, and maintained Git workflows while documenting technical specifications for knowledge sharing.

Led end-to-end development of scalable web applications, reducing load times by 30% through backend and frontend optimizations. Mentored junior developers to improve coding standards and accelerate delivery. Designed and implemented RESTful APIs for third-party integrations. Collaborated with cross-functional teams to deliver SaaS solutions, increasing customer retention by 20%. Automated deployments with Jenkins and Docker, shortening release cycles by 40%. Conducted code reviews, optimized database queries, and applied security best practices to safeguard applications. Supported performance troubleshooting and ensured reliable version control with Git.

Led performance profiling and enhancements for React dashboards, reducing rendering time by 40% and improving user experience. Refactored complex state management to improve responsiveness of real-time trading data views with minimal latency. Implemented virtualization and code-splitting to optimize load times for large data tables and charts. Designed and deployed reusable UI components ensuring accessibility and consistent design patterns. Collaborated with backend teams to optimize WebSocket data streams, reducing network overhead. Developed performance metrics and profiling routines to monitor application health. Enhanced UX for critical trading screens, increasing user engagement. Applied WCAG accessibility standards and responsive design best practices. Integrated charting libraries for dynamic financial visualizations. Conducted code reviews and mentored junior developers on React and performance techniques. Maintained code quality using ESLint and Prettier. Automated testing wi