Developed high-performance full-stack features, including engineering a scalable Grid component that achieved a Lighthouse score of 80+ and 2% WCAG compliance on the frontend, and designing RESTful APIs for efficient data handling and feature implementation like Grid Task Management and Custom Field systems using MongoDB on the backend.

Building a dashboard UI for real-time monitoring and data visualization of IoT devices on the frontend, while designing RESTful APIs for data processing and storage using Express.js and PostgreSQL on the backend, integrating SQS for message queuing and implementing efficient CRUD operation.

Played as Full-stack role, rebuilt a robust CMS service from backend to frontend, improving content management for e-commerce storefronts by enhancing flexibility and performance; used Next.js to revamp the frontend for faster load times and a smoother user experience, and rearchitected the backend with Node.js, Express, and GraphQL to streamline content delivery and reduce API response times by 30%. Integrated PGSQL for better data management and Docker with Kubernetes for automated scaling, ensuring high availability and faster deployments on AWS. Implemented a CI/CD pipeline using Github Action, cutting development cycles by 40%, achieving 99% uptime, and leading to a 25% boost in customer satisfaction and retention.

Collaborated with internal teams to develop a complex Visual Programming feature and other enhancements for a SaaS insurance technology platform serving 8-15 enterprise clients. Built WCAG 2.1 AA-compliant components and optimized front-end performance, achieving sub-2-second static page load times and a Lighthouse score of 80+. Implemented comprehensive unit testing to ensure component reliability and functionality.