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Introduction

Lucian Sphere

Li Yanpei (Lucian)

Li Yanpei , 李彦霈, Self-Taught Full-Stack Software Engineer

Exploring Innovative Solutions in Computer Science · Machine Learning · Computer Vision · Typescript · React · Next.js · NestJS · Python FastAPI
  • Ma Liu Shui, Hong Kong SAR, China
  • Mandarin · English · Cantonese
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  • GitHub
  • GitLab
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Li Yanpei (Lucian)
currently studyingThe Chinese University of Hong KongMSc in Artificial Intelligence for Science

Affiliations

Open Source

14

Public repos

1,651

Contributions (last year)

12

Languages

5

Followers

2

Total stars

1,651 contributions in the last year

1,651 contributions between Oct 12, 2025 and Oct 13, 2026. Active on 43 of 367 days. Busiest day: Jul 1, 2026, with 183 contributions. Use the arrow keys to move between days.

Skills

Core skills
  • Python, Proficient
  • TypeScript, Proficient
  • C++, Intermediate
  • Java, Familiar
  • ReactExperienced in React-based frontend and full-stack development.
  • Next.jsExperienced in Next.js full-stack application development.
  • Node.jsExperienced in backend development.
  • MongoDBExperienced in NoSQL database design and implementation.
  • HTML5/CSS3Experienced in responsive frontend development.
Frameworks & Libraries
  • React
  • Next.js
Backend & Databases
  • Node.js
  • MongoDB (NoSQL)
Tools & Platforms
  • Git
  • Docker
  • NGINX
  • Cloudflare
Systems & Infrastructure
  • Ubuntu Server/Desktop
  • SSH
  • Shell Scripting
Networking & APIs
  • RESTful APIs
  • Authentication including Basic and JWT/Bearer
  • OpenAPI/Swagger
  • HTTP Headers Management
  • HTML
    41.4%
  • Rust
    13.0%
  • TypeScript
    11.9%
  • JavaScript
    10.4%
  • Python
    9.8%
  • CSS
    9.1%
  • TeX
    3.8%
  • SCSS
    0.2%
  • Jupyter Notebook
    0.1%
  • Shell
    0.1%

Recent Activity

  2. Starredtayang-cc/CUHK-Blackboard-Dashboard (opens GitHub in a new tab)

Selected Projects

6 projects · scroll →

  • Oct 2024 – Mar 2026

    WeGreen AI (wegreen.ltd)

    Focused on enhancing waste management efficiency by minimizing classification time. Planned to be finished in 2026.

    • Developed an advanced deep learning model using TensorFlow and PyTorch to optimize waste classification efficiency.
    • Integrated machine vision recognition technology to enhance classification accuracy and operational speed.
    • Utilized IoT technology to enable real-time data transmission and intelligent control of devices.
    Hong Kong
  • Jan 2023 – Jan 2026

    Personal Portfolio & CV Management System

    Developed a high-performance, secure, and fully customizable personal landing page and CV builder.

    • Engineered a full-stack web application using Next.js 13 and TypeScript, featuring a responsive design with Chakra UI and Material UI.
    • Developed a secure Admin Dashboard with comprehensive content management capabilities.
    • Designed a scalable backend architecture using MongoDB and Docker for data persistence and deployment.
    • Integrated third-party APIs to provide real-time data visualization and enhanced functionality.
    Hong Kong
  • Mar 2023 – Nov 2023

    Project RAKU: AI Assistant Job Search System

    Created an AI-powered job search chatbot integrating OpenAI's API for natural language queries.

    • Engineered web scraping tools to extract and consolidate job data from major Hong Kong employment platforms.
    • Developed backend services with Python FastAPI and structured the database using MongoDB.
    Hong Kong
  • Nov 2022 – Nov 2023

    Project GAIA: Design Data Structure

    Focused on designing an optimized NoSQL data structure for storing and retrieving non-structural geostatic data.

    • Designed an optimized MongoDB schema for storing and retrieving non-structural geostatic data.
    • Applied hashing techniques for data comparison and historical version management.
    • Reformatted and restructured raw dictionary and JSON data using Python for improved data handling efficiency.
    Hong Kong
  • Aug 2023 – Oct 2023

    Project EASILY-CV: CV Generator

    Developed an online CV generator as an open-source project, employing MongoDB Atlas for data storage, Next.js as the full-stack framework, and Docker on Linode for hosting.

    • Developed a full-stack Next.js app with MongoDB Atlas, deployed via Docker on Linode.
    • Enabled real-time CV updates with advanced React state management and added PDF export via CSS print and Playwright.
    Hong Kong
  • Jul 2023 – Aug 2023

    Project ASA: Cloud-based Robot Delivery Management System

    Developed a client-driven web application that enables users to design and manage delivery routes for both robotic and human couriers.

    • Built a TypeScript and React web app for managing robotic and human courier routes, with advanced state management and list operations.
    • Implemented JWT authentication, server-side rendering, and deployment via Docker and NGINX.
    Hong Kong
  • All case studies

Writing & case studies

All writing All case studies

Experience

  1. Nov 2024 – Mar 2026

    CTO & Co-Founder, WeGreen AI

    Hong Kong

    Led a startup to drive innovation in waste management with AI-powered solutions, making recycling processes smarter, faster, and more efficient for a sustainable future.

    • Developed AI-powered smart bin technology to optimize waste sorting and recycling efficiency.
    • Secured HK$30,000 funding from HKBU and HKSTP for product development and growth.
    • Led product innovation and fostered a collaborative, high-performance team culture.
    • Won YDC Best Potential Startup and Innovation Award with HK$15,000, recognized among top tertiary teams in Hong Kong.
    • Product Development
    • AI
    • Machine Learning
    • Waste Classification
    • IoT
    • Team Leadership

  2. Oct 2025

    Engineering Intern (On-site), Honsenn Eco Technology GmbH

    Germany

    Completed an on-site internship supporting product R&D and test/QA activities, collaborating effectively within a cross-cultural engineering team.

    • Participated in on-site learning and hands-on engineering practice.
    • Supported product R&D and assembly activities.
    • Conducted headphone ANC and Bluetooth testing and debugging; leveraged an existing Python-based automated testing script to improve QA repeatability and efficiency.
    • Assisted with outbound and shipping procedures and related documentation to improve test consistency and traceability.
    • Python
    • Test Automation
    • Quality Assurance
    • Bluetooth Testing
    • ANC Testing
    • Debugging
    • Documentation
    • Product R&D Support
    • Assembly
    • Shipping Procedures
    • Cross-cultural Collaboration

  3. Jun 2025 – Aug 2025

    Remote Internship, Honsenn Eco Technology GmbH

    Germany

    Completed a remote internship involving embedded software debugging, Bluetooth protocol stack development, and Python-based automated testing.

    • Debugged embedded software for TWS earphones, improving stability and performance.
    • Contributed to Bluetooth 5.2 protocol stack development for Android and iOS.
    • Built Python automated test scripts, streamlining QA and reducing Bluetooth audio failure rate by 32%.
    • Recognized as Top 5% 'Quarterly Technical Innovation Intern'.
    • Embedded Software
    • Bluetooth 5.2
    • Python
    • Automated Testing
    • Quality Assurance
    • Debugging

  4. Jul 2024 – Sep 2024

    Tech Researcher, Dongguan Honsenn Electronic Technology Co., Ltd.

    Dongguan

    Contributed to the development of microcontroller functionalities and provided robust support for product development initiatives.

    • Product Development
    • Microcontrollers
    • Technical Product Development

  5. Aug 2023 – Sep 2024

    Web Development Intern, GoSmart Everywhere Limited

    Hong Kong

    Collaborated closely with senior engineers to contribute to key projects, enhancing advanced software engineering skills in a production environment.

    • Strengthened proficiency in TypeScript, React.js, and Python through hands-on development and iterative feature implementation.
    • Gained practical experience in full-stack web development and scalable web application design, supporting the development of robust and maintainable systems.
    • TypeScript
    • React.js
    • Python
    • Full-stack Web Development
    • Scalable Web Application Design
    • Software Engineering

Certifications

NVIDIA

Cisco

Field Notes

Get In Touch

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