Hi, I'm Isaac Fei 👋
I'm a full-stack developer passionate about mathematics as my fundamental interest and core belief, data science, scientific computing, and integrating LLMs and AI agents into practical applications. I love developing packages and libraries, diving deep into low-level engineering, and building elegant solutions.
Full-Stack Developer | HKU MSc · Data Science | CUHK (SZ) BSc · Math | Math Enthusiast
My journey began with a deep love for mathematics, which naturally led me to explore the fascinating world of data science and AI. I'm particularly drawn to understanding the mathematical foundations behind machine learning algorithms and how they can be applied creatively.
I enjoy building complete applications from frontend to backend, developing packages and libraries, and diving deep into low-level engineering challenges. In my spare time, I continuously review mathematics and document my findings in comprehensive notebooks. This practice not only reinforces my understanding but also demonstrates my commitment to continuous learning and knowledge dissemination.
Languages: Python | C++ | TypeScript | Rust | Go
Frontend: Next.js | React
Backend & AI/ML: PyTorch | LangChain | PostgreSQL | MongoDB | Redis | Neo4j
Mobile: Flutter | SwiftUI
Visit my website, a space where I jot down ideas, explore techniques, and share my journey through coding, data science and mathematics.
- Assistant AI for Sales Support: A chatbot designed to assist sales officers within an educational organization. It aids in responding to inquiries from students' parents, providing timely and accurate information.
- Automated Resume Generation: A web application designed to streamline the process of resume creation. It generates and refines resumes automatically, using basic user information provided as input.
- LLM Chatbot Equipped with Domain-Specific Knowledge: A LLM chatbot that leverages document and vector databases. Users can also configure the chatbot's profile to elicit more tailored responses.
- Deep Dream: A PyTorch implementation of the well-known Deep Dream project, which can decorate a target image in a specified style using transfer learning.
xpyutils: A simple Python helper package that includes the implementation of lazy properties, singletons, etc.
I meticulously review and organize mathematical content, integrating my own understanding into the material. I then compile these insights into easy-to-digest notebooks, making the content more accessible and comprehensible.
Below are the mathematics notebooks I am currently composing:
- Smartphone App on IOS: A highly customizable mobile application designed for iOS devices using SwiftUI. It offers a feature-rich platform for tracking expenses across various categories, providing a personalized accounting experience.
- Stock Price Prediction: A tempt of predicting stock prices using LSTM with elementary NLP analysis of the daily news.