Experience

Building computer vision and generative systems — from NeurIPS-published research to models running on phones, automotive SoCs, and embedded cameras.

6+ years 4 roles 3 patents NeurIPS 2022 10+ edge targets 5 conferences reviewed

Experience

  1. 4 mo

    Senior AI Research Engineer Now

    H2 Corporation Japan · Remote

    • Architected a multitask VLM pipeline covering object detection, OCR, and polyline extraction, integrating SAHI-based merged inference and VLM fine-tuning for spatial–visual reasoning.
    • Designed a hybrid multitask architecture combining traditional and generative models to optimise core-task performance while leveraging VLM/LLM capability for complex visual reasoning.
    • Developed graph models to link visual and structural information within complex drawings and schematics.
    • Vision-Language Models
    • OCR
    • Object Detection
    • SAHI
    • Graph Models
    • PyTorch
  2. 1 yr 11 mo

    Senior Generative AI Engineer

    CASTALK CO., LTD Japan · Remote

    • Developed an expression transfer model and pipeline enabling dynamic, controllable emotion transitions (joy, sadness, anger) in video generation for human characters.
    • Designed and deployed a real-time audio-driven talking head system (lip-sync, singing) preserving identity, head pose, and facial expression from a single audio stream.
    • Built a real-time Stable Diffusion video generation pipeline producing AI avatar speech video from audio input.
    • Developed a real-time child attention monitoring system using facial-landmark head pose estimation and screen engagement tracking, plus a skeleton-based gym exercise recognition system.
    • Architected a multitask VLM pipeline for complex visual understanding, integrating optimised inference and VLM fine-tuning for spatial–visual reasoning.
    • Stable Diffusion
    • Talking Head Synthesis
    • Expression Transfer
    • Facial Landmarks
    • Pose Estimation
    • Real-Time Inference
  3. 4 yr 5 mo

    AI Research Engineer

    VinAI — Artificial Intelligence Application and Research JSC. Viet Nam

    • Module owner for Face Analysis and Perception: face detection, face recognition, object detection, segmentation, text-to-face synthesis, text-to-video.
    • Authored and published research at NeurIPS 2022; filed 3 patents covering gaze prediction, face recognition training, and edge DMS.
    • Developed a Neural Architecture Search pipeline to auto-generate optimal object detection architectures for CPU-constrained MHU devices.
    • Performed post-training quantization and QAT (FP32 → INT8), achieving significant model compression with minimal accuracy loss across face and detection models.
    • Deployed CV models across 10+ hardware targets — NVIDIA Xavier, Qualcomm QCS610/SA8255P, KingFisher, VinSmart mobile — using TensorRT, SNPE, QNN, CVFlow, NCNN, MNN, and TFLite.
    • Built the production Driver and Occupancy Monitoring System, recognised Top 5 at AI4VN 2022 and a CES 2024 Innovation Award Honoree.
    • Delivered lightweight face analysis networks (FaceID, Masked FaceID, camera effects) for VinSmart mobile devices.
    • TensorRT
    • SNPE
    • QNN
    • CVFlow
    • TFLite
    • NCNN / MNN
    • INT8 / QAT
    • Neural Architecture Search
    • Jetson
    • Qualcomm SoC
  4. 1 yr

    Collaborative Lecturer

    TEKY Academy Viet Nam

    • Taught Python programming and robotics (Mindstorms) to high school students, including preparation tracks for US university admissions.
    • Python
    • LEGO Mindstorms

Education

  1. BSc in Computer Science, Honor Program

    Posts and Telecommunications Institute of Technology, Viet Nam

    CGPA: 3.21/4.0

    Thesis: QC-StyleGAN2: Controllable Output Quality Generative Adversarial Networks — graded 9.79/10 (Excellent). Supervised by Professor Cuong Pham.

Skills

CV & Deep Learning

  • Object Detection & Segmentation
  • Face Recognition & Detection
  • GANs & Diffusion Models
  • Talking Head & Video Generation
  • Vision-Language Models & OCR

Frameworks & Inference

  • PyTorch / TensorFlow / LibTorch
  • TensorRT / TFLite / SNPE / QNN
  • CVFlow / NCNN / MNN / TNN
  • Quantization (PTQ & QAT)

Languages & Tools

  • Python
  • C / C++
  • Java
  • OpenCV / FastCV
  • Docker / RabbitMQ / Redis

Platforms

  • NVIDIA Jetson / AGX
  • Qualcomm SoC
  • Linux / arm64
  • AWS & Google Cloud

Honors & Awards

  1. 2023

    Excellent Employee 2023

    VinAI

  2. 2020

    Top 10 — FPT Digital Race 2020 Final

    FPT

  3. 2020

    2nd Prize — AI Hackathon@2020

    AI4VN

  4. 2020

    2nd Prize — The Digital Race PTIT 2020

    PTIT

  5. 2019

    Top 3 — AIF Challenge 3: Speaker Identification

    Kaggle

  6. 2019

    Top 10 — Vietnam AI Grand Challenge Hackathon

    Vietnam AI Grand Challenge

  7. 2019

    3rd Prize — ACM ICPC PTIT 2019

    PTIT

  8. 2018

    Consolation Prize — ACM ICPC PTIT 2018

    PTIT

Licenses & Certifications

  1. 2023

    Machine Learning Specialization

    Coursera / DeepLearning.AI

    Supervised Machine Learning, Advanced Learning Algorithms, and Unsupervised Learning, Recommenders, Reinforcement Learning.