Jeff Zhang

All Projects

2026

Visual Similarity Search

End-to-end visual retrieval system: CLIP ViT-B/32 fine-tuned with LoRA, served via FastAPI, indexed with FAISS. AUC 0.925, MAP@10 0.71. Deployed on Hugging Face Spaces with GitHub Actions CI/CD.

PythonPyTorchCLIPLoRAFAISSFastAPIDocker

2026

Personal Portfolio

Full-stack portfolio site built with Next.js and Spring Boot, deployed to AWS EC2. Implemented dev/prod environment separation, startup-time data caching, global exception handling, and environment-variable-based CORS configuration.

Next.jsSpring BootTypeScriptAWS EC2Tailwind CSS

2026

AI Fact Checking System

Climate fact-checking pipeline: BM25 retrieval over 100k corpus, Bi-Encoder reranker trained with InfoNCE + hard negatives, Co-Attention verifier for 3-way classification. Built without pretrained models.

PythonPyTorchTransformerInfoNCEBM25Word2Vec

2024

Glucope - Diabetic Patient Management

A web-based patient management application supporting daily workflows for patients and clinicians, deployed to Azure and AWS.

Node.jsExpressJavaScriptHandlebarsMongoDBAzureAWSGitHub Actions

2024

Microservices Shopping Backend

E-commerce backend built with four .NET Core microservices including Catalog, Basket, Discount, and Ordering, connected via RabbitMQ event-driven architecture with Redis caching.

.NET CorePostgreSQLRedisRabbitMQEF CoreDocker