Hi, I'm Leo Yin
AI Engineer & Computer Engineering Student
Building innovative AI solutions and engineering robust systems. Currently focused on AI research at CASIA and pursuing Computer Engineering at the University of Toronto.
About Me
Computer Engineering Student
I am a Computer Engineering student at the University of Toronto, focusing on the intersection of hardware and software systems, with a particular interest in AI/ML applications.
“Building technologies that make a positive impact on the world.”
Education
University of Toronto
Bachelor of Applied Science and Engineering in Computer Engineering + PEY Co-op
Sep 2023 – Apr 2027
AI Researcher
Currently conducting research on Multimodal Large Language Models at CASIA, focusing on developing innovative approaches to improve cross-modal understanding and performance.
Entrepreneur
Founded VolunTrack Org., a non-profit organization with a ML-powered volunteer matching system, serving 1000+ monthly active users and partnering with 100+ global non-profits.
Developer
Skilled in full-stack development with expertise in AI integration, from building ML-powered applications to creating user-friendly interfaces with React, Next.js, and more.
Work Experience
My professional journey through research, entrepreneurship, and development
Research Assistant
- Streamlined research on Multimodal Large Language Models (MLLMs) through systematic literature review and novel experimental design, developing methodology for MICCAI 2025 submission
- Engineered an end-to-end data pipeline for benchmark creation using Python, incorporating automated quality checks and custom annotation tools, resulting in a 75% reduction in processing time and 40% improvement in annotation accuracy
- Developed a multimodal evaluation framework using PyTorch, benchmarking state-of-the-art MLLMs across multiple dimensions with metrics for accuracy, robustness, and cross-modal consistency
- Spearheaded weekly technical discussions and authored comprehensive research documentation, facilitating knowledge transfer across interdisciplinary teams of vertical category experts and ML researchers
President/Founder
- Founded and scaled a non-profit organization through a structured four-tier management system, growing the company to 50+ members and establishing partnerships with 100+ global non-profits
- Architected an ML-powered volunteer matching system using TensorFlow and scikit-learn, achieving 85% matching accuracy and reducing manual matching time by 70%
- Developed a full-stack volunteer platform with React Native and React.js, integrating MLOps practices and employing a CI/CD pipeline to ensure consistent and robust application builds, serving 1000+ monthly active users
- Implemented real-time analytics using Google Cloud Platform, Cloud Firestore, and TensorFlow.js, deploying ML models for volunteer engagement prediction and churn analysis across 100+ organizations
- Established an AI innovation program, leading to 30+ successful ML projects and 10+ conference speaking engagements
AI Engineering Lead / Co-Founder
- Architected and deployed a production-grade LLM system with fine-tuned GPT-based models, training on 1,000+ curated travel itineraries to achieve an 85% user satisfaction rate based on post-trip feedback
- Engineered a RAG pipeline processing 5000+ travel documents using LangChain, Pinecone vector DB, and custom chunking strategies, improving travel suggestion accuracy by 35% and reducing waiting time by 90%
- Developed serverless APIs using AWS Lambda to handle LLM integration, user data management, and travel preference processing for the React Native frontend
- Led a team of 6, implementing A/B testing and performance monitoring to continuously improve the fine-tuned model
AI/ML Project Lead
- Architected an AI-powered healthcare system using Deepseek-v3, React Native (Expo) and integrated real-time hospital data via Firestore, achieving 90% alignment with the standard Emergency Severity Index during a 24-hour hackathon
- Implemented few-shot learning through medical examples, JSON schema validation, and chain-of-thought reasoning prompt engineering, reducing incorrect classifications by 25% compared to a zero-shot baseline
- Developed a hybrid recommendation system combining LLM outputs with a weighting algorithm for hospital suggestions, integrating real-time wait times, distance metrics, and facility capabilities, reducing user decision time by 70%
- Built a scalable FastAPI backend processing 100+ concurrent requests per second, enabling real-time integration between the LLM service and the hospital data system with 99% uptime
Web Team Associate
- Developed and maintained full-stack web applications with a React.js frontend and Django backend, enhancing IEEE UofT's main website and event platforms with a responsive, user-friendly design
- Improved performance by optimizing APIs and caching, reducing load times and enhancing user experience
- Collaborated within an Agile team to build and deploy new features, ensuring a seamless experience
Projects
Innovative solutions I've built to solve real-world problems
YiXing - AI Travel Planner
A personalized travel planning platform powered by fine-tuned LLMs, providing custom itineraries based on user preferences.
Key Achievements:
- 85% user satisfaction rate post-trip
- RAG pipeline with 5000+ travel documents
- 35% improvement in suggestion accuracy
VolunTrack Platform
A volunteer management platform with ML-powered matching, connecting organizations with volunteers based on interests and skills.
Key Achievements:
- 1000+ monthly active users
- Partnerships with 100+ global non-profits
- 85% matching accuracy rate
ReassurED Emergency Care Navigator
An AI-powered healthcare guidance system helping users assess symptoms and find appropriate emergency care facilities.
Key Achievements:
- 90% alignment with Emergency Severity Index
- 25% reduction in incorrect classifications
- 70% reduction in user decision time
Skills & Expertise
Technologies and tools I work with
Programming Languages
Frameworks & Libraries
Cloud & DevOps
Development Tools
Other Technologies & Tools
Contact Me
Have a question or want to work together? Feel free to reach out!