Jingyu Wang

Pre‑seed startup building an AI‑powered shopping platform for price comparison and conversational shopping. Contributing across the stack:

• Built production‑grade FastAPI backend with robustness, low latency, and high observability.
• Built a modern mobile app with React Native (Expo + CNG).
• Deployed and manage services on GCP with GitHub Actions CI/CD.
• Designed and implemented an automated ETL pipeline for large‑scale e‑commerce feed ingestion.
• Tuned an ElasticSearch‑based search engine that outperformed Algolia on our benchmark.
• Prompt engineering, LLM fine‑tuning, and LLM safety evaluations.
• Fine‑tuned Qwen‑3 4B for a classification task; deployed on GKE with vLLM.

• Backend features & infra across GCP/AWS; Dockerized services; CI/CD with GitHub Actions.

• Built GenAI text‑to‑texture tool; trained locally, deployed to Azure, integrated into production.
• High‑fidelity material synthesis; PyTorch + C++/CUDA modules; integrated with ComfyUI.