Seeking Software Engineer Intern: Experienced in full-stack, web, and game development using tools like React, Spring Boot, Flask, and languages such as PHP, JavaScript, Java, C++, Python. Knowledgeable in machine learning with TensorFlow/PyTorch and models like CNN, RNN, Transformer. Proficient with LangChain and GPT API applications.

Washington University in St. Louis - GPA 4.0/4.0
Bachelor of Science in Computer Science - August 2022 - May 2026

• Languages: PHP, JavaScript, Java, C++, Python, C#
• Frameworks and Libraries: React, Spring Boot, Flask, Django, Node.js, Express
• Databases: MongoDB, MySQL, Milvus
• Machine Learning Models: CNN, RNN, Transformer
• Tools and Platforms: Git, TensorFlow, PyTorch, GPT API, Docker, AWS, LangChain

Software Developer

• WeChat Bot Development: Implemented a bot using the Chroma database, GPT API, and Langchain to respond to user messages, including documents, audio, and images.
• Framework & API Development: Created an encapsulation framework with Flask, GPT Cache, OpenAI API, ensuring separation of business operations from core logic. Migrated the previous Cogno business logic to new framework.
• E-commerce Platform: Developed a standalone e-commerce platform leveraging LLM customer service and Milvus-assisted product search. Utilized Flask, MySQL for backend design, development, and troubleshooting. Deployment carried out on AWS through Docker.

Software Development Intern in Financial Big Data Technology Department

• Platform Creation: Developed a user credit assessment and anti-money laundering platform using React, enabling banks to judge user creditworthiness and potential money laundering suspicions based on transaction records.
• Backend Development & Designing: Designed and established the backend, used Django to handle frontend requests and interactions with the LLM API.
• Model Training: Employed P-tuning to train ChatGLM-6B, allowing it to perform credit assessments based on bank data.

• Developed a user-friendly interface with React for efficient team expense tracking and management.
• Implemented a graph theory algorithm to streamline and simplify the transaction process among team members.
• Built backend operations with Node.js and Express, including APIs for adding, retrieving, modifying, and deleting expenses.
• Designed a MongoDB schema for optimal storage and querying of expense data.
• Employed Git for version control and deployed using Docker for consistent environments.

• Led the design and development of WashU's internal second-hand trading platform, serving students and faculty.
• Crafted a React-based interface and backend services with Spring Boot.
• Introduced the GPT API to enhance user shopping experiences through intelligent product insights and providing users with tailored product suggestions.
• Continuously updated and optimized platform features based on user feedback and changing requirements, ensuring the platform's relevance and efficiency.

• Developed key functionalities using PHP, JavaScript, HTML, and AJAX, such as event addition and team joining to view collective events.
• Executed core event management logic, encompassing the addition, deletion, and modification of events.
• Crafted a MySQL database structure to securely store user data and event details.

• Spearheaded the development of "Storm Watch," a multi-player 2D RPG shooting game using Unity and C#.
• Took the helm in game design, conceptualizing and detailing the game's narrative, characters, and setting to create a compelling backdrop for the gameplay.
• Implemented local area network (LAN) multiplayer capabilities, permitting players to team up or combat in real-time.
• Designed and integrated character skill effects, enriching gameplay dynamics.
• Actively gathered and implemented player feedback, continuously refining the game for an optimal experience.

• Distinction Rank (Top 5%) in 2021 AMC 12A - Dec 2021
• 1st Place in Gold Division (out of 723 participants) of the USACO Contest - Jan 2020
• Top 2% of 148,880 students, National Olympiad in Informatics in Province (NOIP) - May 2019
• Dean’s List at Washington University in St. Louis for all semesters. - June 2023

• Phone: +1 3149349814
• LinkedIn: linkedin.com/in/tingjun-liu-2a541127b
• Website: www.dijkstraliu.com
• Email: dijkstra20031023@gmail.com