Ratchanon Buachum

AI & software engineer

Bangkok, TH

About

I’m an AI engineer at Armstrong Techs, working on cybersecurity software. Previously at SCGC, I built AI pre-interviews, candidate matching, and live interview assistance.

Selected work

2025–2026

The SCGC project reported about 70% lower pre-interview cost per session. Read the comparison

Skills & tools

  • Python
  • TypeScript
  • JavaScript
  • FastAPI
  • React
  • LangChain
  • Ollama
  • Neo4j
  • Redis

RAG, model integration, and backend development. Coding activity

A little more

ExperienceArmstrong · SCGC

AI Engineer

Armstrong Techs

Jun 2026–present

I build cybersecurity software, owning AI integration, backend services, evaluation, and production delivery.

Software Engineer Intern

Armstrong Techs

Dec 2025–May 2026

Built backend APIs, retrieval workflows, and access controls for a multi-user cybersecurity platform. Worked with TypeScript, FastAPI, and LangChain, and supported deployment and maintenance.

Cooperative Education Student

SCGC

May–Nov 2025

AI pre-interviews, graph-based candidate matching, and live interview assistance for UniRecruit.

Education & recognitionKMUTNB, Second Class Honors

Computer Science, B.Sc.

King Mongkut’s University of Technology North Bangkok

2022–2026. GPA 3.59/4, Second Class Honors.

  • 1st Runner-up, Innovation Category, Oral Presentation, KMUTNB Cooperative Education Project Competition, 2026.
  • NSC 2025 Round 2 grant recipient and project developer.
  • Mini CTF winner with Team M!rror, NCSA CTF Boot Camp, 2025.
  • ICPC Thailand National Programming Contest team, 2024.
CS_I_01 AI interview and candidate-matching project poster
AI-driven interview and candidate-matching project, CS_I_01.
Students and instructors in Gunma University's robotics lab
Sakura Science robotics workshop, Gunma University, Japan, 2025.
Ratchanon beside the OAx LINE OA inventory assistant poster
NSC 2025 project presentation.
Mini CTF first-place certificate naming Ratchanon and Team M!rror
Mini CTF winner with Team M!rror, NCSA CTF Boot Camp, 2025.
ICPC Thailand National Programming Contest team photo
ICPC Thailand National Programming Contest, 2024.
Super AI EngineerSeason 6 · Level 3

I joined House EXP during Level 2, working on DevOps, models, web systems, and AI integration. Projects included Edge AI, wearable sensing, and a local 1B Thai language model. I worked in the MLDevOps team for the language-model challenge and represented the team in its technical presentation.

Individual results included 2nd of 166 in Parasite Eggs Classification and 8th of 127 in Chest Disease Detection. I advanced to Level 3 for industry-based development with Armstrong Technology.

Super AI Engineer participants on stage during the local Thai 1B language-model presentation
Local 1B Foundation LLM for Thai Language. MLDevOps team and technical presentation.
House EXP and collaborators holding the Edge AI second-runner-up award
Second Runner-up with House EXP, Edge-AI for Intelligent Transport System.
House EXP team holding the WellSense Business Popular Vote award
Business Popular Vote with EXP-1, WellSense AIoT Hackathon.
Sakura ScienceJapan · 2025

I joined Thai, Vietnamese, and Japanese students at Gunma University to design and test deep learning control systems for self-balancing two-wheeled robots.

11–17 November 2025. JST’s program coverage ↗

Students and instructors in Gunma University's robotics lab
Sakura Science robotics workshop, Gunma University, Japan, 2025.
Sakura Science certificate from Gunma University naming Ratchanon
Sakura Science Exchange Program certificate, 17 November 2025.
Courses & certifications10 visible entries
  • Analyze Speech and Language with Google APIsGoogle · Jun 2024
  • Analyze Images with the Cloud Vision APIGoogle · Jun 2024
  • Analyze Sentiment with Natural Language APIGoogle · Jun 2024
  • Artificial Intelligence FundamentalsIBM · Mar 2024
  • Introduction to CybersecurityCisco · Mar 2024
  • Data FundamentalsIBM · Mar 2024
  • Getting Started with Enterprise Data ScienceIBM · Mar 2024
  • Getting Started with Enterprise-grade AIIBM · Mar 2024
  • Object-Oriented Programming with JavaCoursera · Jul 2020
  • Accelerated CourseCodeAI · Apr 2020

Get in touch

I can help with document retrieval, model integration, and backend development. For a role or a freelance project, tell me the problem, scope, and timeline.