Alex Li

Seeking a full-time software engineer position starting immediately. Experienced software engineer with various project experience in full-stack web development. Proficient in HTML/CSS, Python, JavaScript, Java, and React. Strong problem-solving abilities, excellent communication skills, and passion for continuous learning in technology. Qualified U.S. citizen.

Next AI: Full-Stack Web-Based Q&A AI Agent for PDF Document Queries

• Engineered an interactive conversational UI leveraging React and Ant Design, enabling users to effortlessly upload and interact with PDF documents in real-time.
• Architected and implemented RESTful APIs via Express and Node.js, optimized for high-performance request handling.
• Utilized a memory vector store to cache generated embeddings for efficient retrieval.
• Integrated OpenAI’s GPT-3.5 Turbo API and Langchain technologies, resulting in a sophisticated AI Agent capable of document loading, splitting, storage, retrieval, and output functionalities.

Twitch+: A Personalized Twitch Resources Recommendation Engine

• Architected and developed a comprehensive full-stack web application, enabling personalized access to Twitch resources including streams, videos, and clips, and delivering recommendations tailored to user preferences.
• Developed an engaging and user-friendly interface using React and Ant Design, enhancing the user experience.
• Used Java servlets to develop RESTful APIs, and utilized OpenFeign client for integration with Twitch API.
• Engineered a robust MySQL database on AWS RDS, facilitating CRUD operations through Spring Data JDBC.
• Extracted game information from Twitch resources to implement a Content-based algorithm based on favorite collection.

Staybooking: An online stay rental application based on React and Spring Boot

• Developed a learning platform based on Spring Boot and React, initiated with Ant Design library.
• Developed backend services with Spring Boot and Java, enabling resume upload, deletion, course search, and mock interviews booking function.
• Utilized MySQL for secure storage of user data, including resumes and booking details, and implemented Google Cloud Storage (GCS) for handling media files.
• Built an Elasticsearch geo index, bolstering user-selected location-based searches for optimal course options.
• Implemented a robust, token-based, server-side user authentication system, utilizing the Spring Security framework.
• Successfully deployed backend services onto Google App Engine for improved scalability and reliability.

Mini Spotify: A Personalized Spotify Favorite Management App

• Designed a Kotlin Spotify favorite app by fully leveraging Android Jetpack Library and Hilt Dependency Injection.
• Integrated a Bottombar along with app-wide navigation through the Jetpack Navigation component.
• Set up a mock RESTful API using JSON-server and manage requests with Retrofit to ensure seamless data communication.
• Developed the feed, album, and favorite UI screens in Jetpack Compose, adhering to the MVVM architecture, to enhance code maintainability and separation of concerns.
• Integrated local caching for the favorites feature with Room Database, ensuring fast access and data reliability.
• Incorporated Google ExoPlayer for handling global music playback, providing a seamless and consistent audio experience across the app.

React Native Dating App | Socket.IO, MongoDB, Express.js, React.js, 

• Developed a React Native application with a Node.js backend using the Express.js framework.
• Integrated MongoDB with Mongoose for efficient data management and seamless interaction with the database.
• Utilized Axios in the frontend to perform HTTP requests and fetch data from the backend.
• Developed HTTP endpoints for a React Native chat app to manage likes, including sending, retrieving, and accepting likes across multiple registered users.
• Set up Socket.IO and REST API requests to handle real-time messaging and connection management.