🎓 Graduate student in Computer Science at FDU (Vancouver)
☁️ Aspiring Cloud / DevOps Engineer with a focus on AWS, CI/CD, and Cloud Security
🔐 Passionate about cybersecurity (red-team & cloud security) and building production-ready systems
🌏 Multilingual learner (Chinese, Vietnamese, French, English)

A production-ready personal portfolio deployed with AWS Cloud + GitHub Actions CI/CD

• Frontend hosted on S3 + CloudFront (optimized caching & invalidations)
• Backend API with Flask on EC2 (rate limiting, CORS, logging)
• Infrastructure as Code with CloudFormation
• Secure deployment with OIDC (no long-lived keys)
• 🟢 Live Demo

Concise study notes on distributed storage, computation, and messaging

• Covers CAP theorem, replication, sharding, consistent hashing
• Written in English + Chinese side-by-side
• Markdown-friendly for quick review

Hands-on practice in penetration testing & SOC workflows

• TryHackMe walkthroughs
• Scripts & logs from Kali Linux (Apple Silicon UTM)
• Building toward eJPT / Security+ / OSCP certifications

• Cloud: AWS (S3, CloudFront, EC2, IAM, CloudFormation)
• DevOps: GitHub Actions, Docker, Linux CLI
• Backend: Python (Flask, Gunicorn), REST APIs
• Frontend: HTML, CSS, Responsive design
• Security: PenTesting basics, OIDC, IAM least privilege
• Other: Git, Markdown, VSCode, macOS

• 🎯 AWS Solutions Architect Associate (SAA-C03)
• 🎯 eJPT (Junior Penetration Tester)
• 🎯 Improving French for Canadian immigration (TCF exam prep)

• 💼 LinkedIn
• 💻 GitHub
• 🌍 Website
• 📧 Reach me at: liyu.chu.work@gmail.com

⭐️ If you find my projects useful, consider giving them a star!