Assistant Research Engineer at Esri China (Hong Kong) Limited

Architected UNet and YOLO pipelines to automate urban hazard identification from high-resolution imagery. Developed disaster-response components by fine-tuning BERT for Named Entity Recognition, achieving high accuracy on reports and visualizing results in interactive geospatial dashboards. Streamlined computer vision workflows using SAM and Group-DINO for zero-shot adaptation. Built a full-stack IoT system (MQTT) with real-time threshold-based alerting. Led the establishment of evaluation frameworks (HOTA, ASSA, IDF1) and mentored three junior engineers.