Hi there, I’m Yujun Liu 👋

Languages and Tools:

About Me

• 🔭 Passionate and result-oriented software engineer with experience in full-stack development, open-source contributions, and a strong foundation in computer science principles.
• 👨‍🎓 Currently pursuing a Master’s degree in Computer Science at Boston University, expected graduation in May 2025.
• 💻 Proficient in Java, Python, JavaScript, PHP, and experienced with tools like Node.js, React, AWS, Docker, and Kubernetes.
• 🌱 Actively contributing to open-source projects, including Google Summer of Code 2024 at GFOSS.
• 🚀 Developed projects involving microservices architecture, CI/CD pipelines, and mobile applications.
• 🤖 Enthusiast in robotics and autonomous systems, with experience in Android app development and machine vision.

I am open to:

• Any collaboration work
• Open-source contributions
• Full-stack development projects
• Research opportunities in computer science

Recent Updates:

• August 2024: Completed Google Summer of Code 2024 at GFOSS, contributed to the Flexbench app.
• September 2023: Started Master’s program in Computer Science at Boston University.
• January 2023: Completed Operation Trainee Program at Teamwave PC, DE.
• May 2022: Graduated with a B.S. in Information Sciences & Technology from Pennsylvania State University.

Toy Projects:

📂 Projects

1. ticketmeister
   Mock app for ticket selling solution using React.

2. weather-app
   Mock weather app that fetches data from OpenWeatherMap API.

3. Registar
   Mock registration process app for yoga instructors.

4. trade-king
   Mock stock trading app.

5. AIBoardGame
   An AI-powered board game project.

6. develop-flexbench
   A nodejs http traffic simulator.

Connect with Me:

Projects and Experience

Google Summer of Code 2024 at GFOSS

• Developed an npm module using Swagger-Parser for the Flexbench app.
• Created realistic HTTP/HTTPS traffic simulations with generated .flex scenarios and curl commands.
• Implemented a config-driven anonymization feature for personal data in HTTP requests and responses.

Operation Trainee Program at Teamwave PC, DE

• Mastered ERP & MES systems, e-commerce logistics, and production management.
• Designed and implemented the company’s official website using Wix and AWS S3 buckets.
• Enhanced back-end data processing with Node.js for improved user experience.

Mosaic Lifestyle Survey Web App at LeadershipEdge, DE

• Engineered a dynamic web survey UI/UX using WordPress tools.
• Increased user engagement by 100+ users per week through SEO optimization and feature updates.
• Developed custom PHP hooks to process survey data into a MySQL database.

E-Commerce Platform Based on Microservices

• Built and scaled an e-commerce app using Node.js, Docker, Kubernetes, and CI/CD pipelines.
• Developed reusable middleware and microservices with Express.js.
• Implemented secure authentication with JWT and OAuth.

Autonomous Robotics Rescue Mission

• Reverse-engineered the Unitree A1 robotic quadruped.
• Developed an Android app integrating machine vision and location tracking.
• Achieved 96% code coverage with JUnit tests; showcased at Lockheed Martin Corporation.