Kawin Rattanapun — Software Engineer

Experience

Where I've built.

Agoda · Bangkok

Software Engineer Intern — Backend

Jun – Aug 2025

Engineered an AI-driven agentic system in Python that automated development workflows by chaining Codex CLI, Claude Code, and a GitLab CI pipeline.
Achieved a 70% merge-to-production rate for AI-generated code through mandatory team code review integration.
Reduced engineering overhead by the equivalent of two full-time developers.

PythonCodex CLI Claude CodeGitLab CIDocker

AIMET · Bangkok

Data Scientist — Individual Study

Aug 2023 – May 2025

Built LLM pipelines for multi-label mental health symptom classification using Azure OpenAI.
Developed a social listening service for Facebook posts with prompt engineering and API integration.
Researched and implemented evaluation methods for a mental health chatbot.

PythonAzure OpenAI NumPyPandas

Looloo Technology · Bangkok

Software Engineer Intern

Jun – Aug 2024

Built mobile UI for Mahamhor — a patient-doctor platform with AI-assisted symptom prediction.
Contributed to the rewrite of 9yang, a 300,000+ user childcare service, integrating Line LIFF and an AI nursebot.
Enhanced Wise Mentoring's session scheduling, mentor matching, and admin dashboard.

VueNuxt TailwindCSSDjangoPostgreSQL

Bualoitech · Hat Yai

Frontend Developer

Dec 2022 – Mar 2023

Built and maintained gimmesong.link and myfriendshipp.site — two consumer platforms with over one million combined users.

SvelteKitReact TypeScriptTailwindCSSFirebase

Skills

What I work with.

⚙️

Backend

PythonDjango FastAPIHono tRPCPostgreSQL

🎨

Frontend

ReactVue SvelteKitTypeScript TailwindCSS

🤖

AI / LLM

LLM PipelinesAzure OpenAI Prompt EngineeringAgentic Systems

🛠️

Infrastructure

DockerGitLab CI FirebasePrisma

📊

Data

NumPyPandas Data CleaningML Evaluation

🌐

Languages

English (Proficient) Thai (Native)

Kawin
Rattanapun

Where I've built.

What I work with.

Competitive programming.

Academic background.

KawinRattanapun

Where I've built.

What I work with.

Competitive programming.

Academic background.

Kawin
Rattanapun