Watchara
Portrait of Watchara Noisriphan

Data Scientist · LLM & AI Automation · Founder

Watchara Noisriphan

I build AI that does real work — OCR, AI agents, data pipelines — and teach people in Thailand to build their own AI employees.

Founder of AI Paruay (AI พารวย) · Bangkok, Thailand

years in data & AI
5+
hackathon awards
5
Google Cloud certifications
10
GPA, First Class Honors
3.74

Founder

My business: AI Paruay

AI Paruay — “AI that leads you to wealth” — teaches everyday people, freelancers and business owners to put AI to work: build an AI employee, automate content, and turn AI skills into income.

Live courses

Build your own AI employee in five evenings — hands-on, live online.

Workshops for teams

AI agents, Claude Code and content automation, run on your real work.

Free lessons

New videos every week on YouTube, Facebook and TikTok.

See courses & what you'll learn

Work with me

Companies bring me in to turn AI ideas into systems that run in production.

AI agents & automation

AI employees and n8n / Claude Code workflows that take repetitive work off your team.

Document AI & OCR

Read Thai handwriting, ID cards, licence plates and PDFs — with a human in the loop where accuracy matters.

Generative AI & RAG

Chatbots and assistants that answer from your own SQL, Excel and PDF data.

Data platforms

Warehouses, ETL and system sync (Kafka, Odoo, PostgreSQL) that feed reliable dashboards.

Email me about a project

Selected work

Thai handwriting OCR — flood response

Built in a temple car park during the 2026 Thailand floods so volunteers could find any car's owner. Empty repo to production in ~2 hours; 11 vision models benchmarked; 8,401 slips read for about US$10 of AI.

  • LLM OCR
  • FastAPI
  • PostgreSQL
  • Human-in-the-loop

SentraAI Gateway

One OpenAI-compatible endpoint for OpenAI, Anthropic and Google with per-model token and cost tracking, built for Thailand's PDPA.

  • FastAPI
  • Next.js
  • LLM gateway
  • PDPA

Fraud intelligence

Follows the money as a graph to catch fraud earlier than rule-based systems, explains every risk signal in plain language and estimates what can still be recovered.

  • NetworkX
  • FastAPI
  • React
  • Graph analytics

Enterprise RAG chatbot

Answers staff questions in natural language from SQL databases, Excel and PDF documents, using GPT-4 Turbo and Gemini Pro.

  • RAG
  • LangChain
  • GPT-4
  • Gemini

Licence-plate & KYC vision

Thai licence-plate detection with YOLOv8/YOLOv11 and KYC face comparison against ID documents, deployed in production.

  • YOLO
  • OpenCV
  • CNN
  • KYC

Logistics data warehouse

Reporting warehouse built from several source databases: 60+ tables, monthly partitions, and 30 million+ shipments backfilled with SLA calculations.

  • PostgreSQL
  • ETL
  • Partitioning
  • BI

More on GitHub

Experience

  1. Data Scientist · Unit Co., Ltd.

    Jun 2024 – Oct 2025

    • Cut server CPU usage by up to 90% with a caching layer and a Redis proof of concept
    • Added SNS message queues and evaluated Kafka, preventing potential data loss of over 1 million THB
    • Led Generative AI proofs of concept, plus OCR licence-plate and KYC face-comparison systems
  2. Data Analyst (contract) · Amity Solutions

    Oct 2024 – Mar 2025

    • Designed prompts and RAG grounding to minimise chatbot hallucinations
    • Reached 90% accuracy on retail prediction with L1/L2 regularisation
  3. Data Analyst · Rudy Technology

    Jul 2023 – Jun 2024

    • Built a RAG chatbot over SQL, Excel and PDF data with GPT-4 Turbo and Gemini Pro
    • Fine-tuned WangchanBERTa for Thai sentiment; designed e-commerce and B2B databases; Python RPA
  4. AI Researcher (intern) · Tamkang University, Taiwan

    Jun 2022 – Dec 2022

    • Analysed rowing athletes with MediaPipe pose estimation
    • Clustered athletes with K-Means, BIRCH and DBSCAN
  5. Data Scientist (intern) · P-DICTOR Predictive Maintenance

    Apr 2022 – Jun 2022

    • Trained failure-prediction models with XGBoost
    • Automated ETL pipelines on IBM Cloud
  6. Data Scientist (intern) · LPN Development PCL

    Apr 2021 – Jun 2021

    • Built Power BI sales dashboards for C-level executives
    • Automated data entry from images with OCR

Awards

First Prize · Dec 2025

Hackathon: Digitize Asset Declaration Data

Hand Social Enterprise

Gemini turns handwritten Thai PDF forms into structured government data.

Best of Track · Oct 2024

NITMX Hack to the Max: Digital Infrastructure

NITMX

A data solution for banks.

Second Prize · Jun 2024

AI Organizational Problem-Solving Competition

Cloud Ace

Solving organisational problems with AI.

Winner · Apr 2022

Data Culture Leadership Bootcamp

Business Applications Co., Ltd.

Leading a data-driven culture.

Qualifier · Feb 2023

LINE HACK 2023

LINE Thailand

National hackathon qualifier.

Education & research

Kasetsart University

B.Sc. Computer Science — First Class Honors (GPA 3.74)

2019 – 2023

Apply Machine-Learning Model for Clustering Rowing Players

ICNCC '23, 12th International Conference on Networks, Communication and Computing (ACM), published March 2024

Certifications

Google Cloud skill badges (10, 2024): ML on Google Cloud, BigQuery ML, Cloud Vision, Natural Language and Speech APIs.

Skills

AI & machine learning

  • LLMs
  • AI agents
  • RAG
  • Fine-tuning
  • Prompt engineering
  • NLP
  • Scikit-learn
  • TensorFlow
  • XGBoost

Computer vision & OCR

  • LLM OCR
  • YOLO
  • OpenCV
  • MediaPipe
  • Face recognition
  • Pose estimation

Engineering

  • Python
  • TypeScript
  • FastAPI
  • Next.js
  • PostgreSQL
  • Redis
  • Kafka
  • Docker
  • Rust

Automation & tools

  • n8n
  • Claude Code
  • MCP
  • Odoo
  • Power BI
  • Google Cloud
  • AWS

Frequently asked questions

Who is Watchara Noisriphan?

Watchara Noisriphan (Thai: วัชระ น้อยศรีพันธ์, nickname “First”) is a Thai Data Scientist and AI engineer based in Bangkok. He graduated in Computer Science with First Class Honors from Kasetsart University, has 5+ years of experience building LLM, OCR, computer-vision and data systems, has won five hackathon awards, holds ten Google Cloud certifications, and is the founder of AI Paruay (AI พารวย).

What is AI Paruay (AI พารวย)?

AI Paruay — “AI that leads you to wealth” — is Watchara's AI education brand. It runs live courses such as the Hermes Agent course (build your own AI employee in five evenings), team workshops on AI agents and content automation, and free videos on YouTube, Facebook and TikTok (@aiparuay8).

What can I hire Watchara for?

AI agents and automation (n8n, Claude Code), document AI and OCR — including Thai handwriting —, Generative AI and RAG chatbots on your own data, data platforms and dashboards, and AI workshops or talks in Thai or English.

How do I contact Watchara Noisriphan?

Email wcrnsp@gmail.com or message him on LinkedIn (linkedin.com/in/watchara-noisriphan). His code is on GitHub (github.com/wcr2000). For AI Paruay, follow @aiparuay8 on Facebook, YouTube or TikTok.

Let's talk

Have an AI project, a workshop idea or a partnership in mind? I usually reply within two working days.