💡 Real-time Video Conference App： ✔️ Real-time video chat built with WebRTC and socket.IO for seamless video communication ✔️ Code editor with real-time execution using Docker containers to provide isolated execution environments ✔️ Collaborative code editor with syntax highlighting using Codemirror and Yjs (CRDTs) ✔️ Integrated Real-time text chat, file upload/download, screen sharing, and screen recording functionality ✔️ Develop integration tests with Vitest and end-to-end tests with Selenium (Python) ✔️ Set up a continuous deployment (CI/CD) pipeline with GitHub Actions 💡 STYLiSH ： ✔️ Implemented cache mechanism (cache aside pattern) built with Redis, deployed on AWS ElastiCache ✔️ To manage traffic and ensure reliable message delivery, built rate limiter and message queue from scratch using Redis ✔️ To ensure high availability and handle varying traffic loads, scaled out infrastructure with AWS Load Balancer and Auto Scaling Group ✔️ Registered and set up domain with AWS Route 53, including SSL/TLS certificate ✔️ Configured Nginx to redirect HTTP to HTTPS for secure connections ✔️ Sent AWS EC2 instance logs to AWS CloudWatch for monitoring and analysis 💡 Serverless URL Shortener ： ✔️ Used AWS Lambda and API Gateway to leverage the flexibility and cost-effectiveness of a serverless architecture ✔️ Used AWS S3 and CloudFront to provide a high-performance and highly available static website 💡 Hotel e-Commerce： ✔️ Implemented with MERN (React, Redux Toolkit, Node.js, Express, MongoDB, Mongoose) ✔️ Integrated with Google OAuth using Firebase authentication ✔️ Allows for uploading images/files with Firebase Cloud Storage ✔️ Full-featured shopping cart with credit card payments (Stripe) ✔️ Advanced search capabilities, including filtering by title, sorting options, and limiting search results

• Led the product line of Industrial Box-PC (x86 platform based on Intel) focusing in machine vision and factory automation. YoY = 50% (2021) • Led the development of Supercapacitor power backup module (ARM base) with patented CAP energy management technology integrated. YoY = 72% (2021) • Independently designed the architecture for an UPS system and implemented the firmware in C within three months of onboarding. This product is now used globally, including in the Singapore MRT. • Patented PCIe or PCI expansion card assembly with M12 connector(Issued Nov 21, 2020. tw I711236 •Product Planning/ Evaluation -Business development for new products -Acts as the customer advocate articulating the user's/ buyer's needs. -New product feasibility assessment -Defines the product vision/ positioning -Defines the Go-to-Market strategy -Defines the roadmap. •Project Management/ Execution/ Schedule Control -Gathers, manages and prioritizes market/customer requirements. -Cross-sector communication (works closely with engineering/ sales/ marketing) -Has technical product knowledge/ specific domain expertise -Cooperative Vendor Communication (bring new features to the new product) -Cost & schedule control •New product Introduction -Marketing promotion (case studies/ product comparisons/ competitor analysis/ Application stories) -Presentation skill -Work with RBUS for product education/ business approach •Quality Control -Technical support -Work with AE/ R&D team for problem-solving