MSc in Information Technology at The Hong Kong Polytechnic University. I work on practical AI systems across computer vision, retrieval-augmented generation (RAG), multimodal interaction, financial technology, and full-stack AI product development.
- Research-oriented developer with experience in turning AI ideas into deployable systems
- Interested in multimodal AI, intelligent retrieval, explainable decision support, and real-world AI applications
- Comfortable across the full pipeline: data processing, model training, back-end logic, front-end delivery, and cloud deployment
Built a legal QA backend for Hong Kong regulations and contract review using structured chunking, embedding-based retrieval, reranking, and evidence-grounded generation.
Developed an end-to-end risk analysis workflow on the IEEE-CIS fraud dataset, covering feature engineering, model comparison, front-end interpretation, and AI-assisted decision support.
Built transaction relationship graphs and trained an EdgeSAGE-based model for linked-account and group fraud detection, with integrated risk scoring and visualization.
Developed a real-time system that combines speech input, OCR, object understanding, color analysis, scene captioning, LLM reasoning, and speech output.
Implemented an implicit-depth segmentation model for remote sensing imagery with multi-scale fusion and fixed-point iteration.
Built an end-to-end robotic pipeline combining perception, decision-making, sensor fusion, path following, and robotic execution.
Languages: Python, Java, C++
Web & Deployment: Next.js, React, TypeScript, Tailwind CSS, Supabase, PostgreSQL, Vercel, GitHub
AI & ML: PyTorch, NumPy, RAG, graph neural networks, multimodal pipelines, feature engineering
Vision & Robotics: OCR, image enhancement, open-vocabulary detection, ROS, Webots, Arduino, STM32, PID control
- Multimodal document intelligence
- RAG system design and optimization
- Explainable AI for legal and financial scenarios
- Vision-language systems and real-time interaction
- Full-stack deployment of AI products
- Email: jerroldhann@outlook.com
- Location: Shenzhen & Hong Kong