Hiếu Nguyễn

AI Engineer with 1+ years of experience delivering scalable machine learning solutions in ASR, Computer Vision, and Audio ML. Specialized in PEFT/LoRA fine-tuning, 4-bit quantization, and efficient inference pipelines. Proven ability to optimize model performance (60% memory reduction, 2.3x throughput), with solid grounding in ML theory and real-world deployment.

AI Trainer at WorkerBot AI (2025-03 – Present)

Fine-tuned the Gemma 3N model for OCR and audio-based tasks, enabling efficient document and voice processing. Built AI-driven information extraction pipelines for product catalog automation.

• Fine-tuned the Gemma 3N model for OCR and audio-based tasks, enabling efficient document and voice processing.
• Built AI-driven information extraction pipelines for product catalog automation.
• Designed and deployed AI Agent workflows using no-code platforms (N8N) for various business use cases.
• Created reusable and customizable AI Agent templates tailored to specific industry needs.
• Improved agent performance through prompt engineering and iterative workflow refinement.
• Collaborated with cross-functional teams to integrate AI capabilities into production environments.

AI Engineer (Computer Vision) at Greystone Data Systems Vietnam (2024-06 – 2024-07)

Led the end-to-end data lifecycle: collection, preprocessing, and annotation for computer vision datasets. Built and deployed object detection, instance segmentation, and OCR models for real-world applications.

• Led the end-to-end data lifecycle: collection, preprocessing, and annotation for computer vision datasets.
• Increased model accuracy through hyperparameter tuning and training optimization.
• Built and deployed object detection, instance segmentation, and OCR models for real-world applications.
• Conducted thorough model evaluation and tuning to meet deployment-level performance standards.

AI Intern at VnPro Center (2024-02 – 2024-04)

Translated and restructured Generative AI course materials into a Vietnamese-language curriculum. Utilized AI tools to assist with marketing content creation and optimization.

• Translated and restructured Generative AI course materials into a Vietnamese-language curriculum.
• Utilized AI tools to assist with marketing content creation and optimization.
• Provided technical support for computer maintenance, hardware testing, and system setup.
• Contributed to internal AI training programs and shared knowledge with peers and students.

Bachelor of Science in Computer Science – University of Information Technology - VNU HCM (2020 – 2024)