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Dinh Khai Nguyen

Based in Vietnam, I am an AI researcher and AI engineer with a strong passion for artificial intelligence and data-driven technologies.

My academic background in computer science and hands-on experience with projects in machine learning, deep learning, natural language processing, and financial technology have equipped me with both theoretical knowledge and practical skills. I have worked on projects ranging from image recognition and fraud detection to building intelligent chatbots and real-time systems. This journey has given me valuable expertise in data analysis, programming, and problem-solving. I am deeply motivated to create AI solutions that not only advance technology but also deliver real-world impact. Innovation, continuous learning, and pushing the boundaries of what AI can achieve are at the core of my work, and I aspire to build impactful projects that shape the future of intelligent systems.

Read the projects
Dinh Khai Nguyen — AI Researcher · AI Engineer

Education

  • Aug 2023 — Present

    VNU University of Engineering and Technology

    Bachelor of Artificial Intelligence

    • GPA: 3.61/4

Experience

Work

  • Nov 2026 — Present

    VinSmart Future

    AI Application Engineer

    • Take on in-depth AI data work and own its quality control, ensuring every dataset meets the required standard before it is put to use.
    • Support the management of a twelve-person team, helping keep its work on schedule and up to standard.

  • Sep 2026 — Nov 2026

    VinSmart Future

    Junior AI Application Engineer

    • Carried out data quality control, reviewing data against the required standard and making sure it met requirements before it was put to use.
    • Supported the day-to-day management of a six-person team.

  • May 2026 — Aug 2026

    VinSmart Future

    AI Intern

    • Built the data collection and quality-control pipeline for a travel dataset: crawling and ingestion through to the verification pass that decides what is fit to keep.

  • Sep 2025 — Jan 2026

    Viettel Networks

    AI Intern

    • Research on generating structured project layouts from natural-language specifications, addressing the structural blindness large language models show on hierarchical output.
    • Built the training set and the evaluation metric for the task, and fine-tuned compact open models with LoRA and a loss function aligned to that metric.

Research

  • Jun 2025 — Present

    NLP Lab

    Member

    • Participated in research and development activities in natural language processing, including exploring AI models, experimenting with text data, and contributing ideas to group projects.

Leadership

  • Sep 2024 — Present

    Institute for Artificial Intelligence

    Class Vice-President & Executive Committee Member

    • Served as Class Vice-President and an active member of the Executive Committee, coordinating student projects, organizing meetings, and contributing to strategic planning within the institute.

Projects

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Live products · 5

2026Research tooling · Agentic RAGLive demo

ResearchMap AI

Turns a one-line description of a research field into a map of its literature: topics, trends and gaps. An agent answers questions about the field, citing only papers it actually retrieved.

Cited papers verified real
36/36
Retrieval precision@5
0.867
Cost per answer
$0.00032
2026Tax compliance · Legal RAGLive demo

TaxMate AI

A tax-compliance assistant for Vietnamese online sellers. It answers legal questions with a citation on every claim and reconciles sales against declared revenue. Built by a team of four that Khai led.

Legal recall@5
93%
Legal documents indexed
13
Cores integrated
4
2026Realtime platformLive demo

Detoura

A realtime two-player board game built as a platform. It has a deterministic rules core, one set of typed schemas that validates, documents and tests the API, and a separate tournament service for bots.

Workspace packages
9
Interfaces under contract
5
Protocol messages
14
2026Commerce · POS integrationLive demo

Bacera

An online shop and workshop booking site for a Hanoi pottery studio, built on WordPress with Pancake POS as the system of record. Its public demo replays recorded POS traffic.

Integration modules
6
Custom SQL tables
15
POS endpoints replayed
12
2026Clinic platform · Health RAGLive demo

Flow Center

Booking, a self-assessment and a chat assistant for a clinic that treats period pain with traditional medicine. The AI stays strictly inside clinician-approved content.

Parallel bookings in the race test
8
Warning signs that stop the analysis
10
Days a conversation is kept
90

Research & engineering · 3

2025Sequence modelling

Neural Machine Translation

Built a 12.5M-pair dataset for Vietnamese diacritic restoration and implemented RNN, GRU, LSTM and Transformer seq2seq models from scratch in PyTorch.

BLEU
81.31
ChrF++
88.57
Sentence pairs
12.5M
2025Systems performance

Optimization for AI Inference Engines on GPUs

Optimising GPU inference for ResNet50 and DistilBERT with FP16, INT8, TorchScript/torch.compile and ONNX.

FP16 throughput
≈4×
INT8 speedup
2–5×
Graph optimisation
1.2–1.8×
2025Applied computer vision

License Plate Recognition System

A real-time license plate recognition system: a fine-tuned YOLOv5 model with OCR, a FastAPI and PostgreSQL backend and a React frontend, deployed with Docker.

Throughput
~12 FPS

Skills

Machine Learning

  • PyTorch4×
  • Transformer2×
  • Seq2Seq1×
  • YOLOv5 / YOLOv12×
  • CBAM1×
  • XGBoost1×
  • SMOTE / ADASYN1×
  • scikit-learn2×

NLP

  • Vietnamese NLP1×
  • Diacritic restoration1×
  • BLEU / ChrF++1×
  • Sentiment classification1×

Systems & Deployment

  • FastAPI4×
  • Docker4×
  • PostgreSQL5×
  • React4×
  • Apache Spark1×
  • Apache Hadoop1×

Inference & Performance

  • TensorRT1×
  • ONNX Runtime2×
  • TorchScript1×
  • torch.compile1×
  • FP16 / INT81×
  • CUDA profiling1×

Achievements

  • 2026Award

    Third Prize, Student Scientific Research Award — Artificial Intelligence

    VNU University of Engineering and Technology

  • 2026Award

    Third Prize, Student Track — Humanitarian Logistics Hackathon

    Humanitarian Logistics Hackathon

  • 2024Academic

    Academic Encouragement Scholarship

    University of Engineering and Technology

  • 2023Award

    Second Prize, Provincial Excellent Student Contest in Physics

    Thai Nguyen Province

  • 2021Award

    Third Prize, Provincial Excellent Student Contest in Informatics

    Thai Nguyen Province

Writing

Resume

14
Projects
24
Skills
5
Achievements
4
Experience
Read the résumé1-page CV (PDF)

Get in touch

Whenever you want to contact me, please email me and I will reply.