Hero Background

Hi, It's Wachirawit

Fullstack Developer building modern, scalable web applications that deliver seamless user experiences from frontend to backend.

Work Experience

AI Prompt Evaluator (for Meta)

Appen Contract

June 2025 - Present

  • Evaluated over 160 AI-generated prompts per hour for health and religion related violations, consistently achieving a quality score above 90%.
  • Applied a structured violation taxonomy to produce standardized rationales, enabling an average handle time (AHT) of just 22 seconds per task.
  • Partnered with policy leads to streamline escalation workflows and reduce backlog of edge-case content.

LLM Output Evaluator

Prompt & Intent Evaluation

June 2025 - July 2025

  • Benchmarked Thai / English LLM responses for fluency, factuality, and intent alignment.
  • Delivered actionable feedback on tone, cultural nuance, and safety, directly informing model retraining cycles.
  • Authored prompt-clarity guidelines later adopted across the evaluator team.

Ad Quality Rater (for Meta)

Appen Contract

April 2025 - June 2025

  • Screened 250+ Facebook & Instagram ads per shift for policy compliance, maintaining >80% audit accuracy.
  • Flagged high-risk ads (misinformation, gambling, etc.) and initiated rapid takedown requests.
  • Escalated borderline cases with concise rationales, accelerating secondary reviews.
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My Tech Stack & Tools

A collection of technologies I am proficient in and tools I use to build and deploy web applications.

FRONTEND

Next.js
React
Tailwind
Javascript
TypeScript
Framer Motion
HTML5/CSS3

BACKEND

Node.js
Express & Prisma
REST / GraphQL
PostgreSQL
MongoDB
Supabase
Redis

DEVOPS

Docker
GitHub Actions
Vercel
Render CI/CD
Terraform/Kubernetes

TOOLS

Git/GitHub
Figma
Chrome DevTools
Postman/Insomnia

My Projects

Live
2024
ZURFRK Men's Shoes
Frontend
Responsive Design
UI/UX
Featured Project

ZURFRK Men's Shoes

A premium landing page for a men's shoe brand, meticulously crafted with a mobile-first approach. Features sophisticated interactive elements, smooth animations, and a clean, modern UI that drives conversions. The project demonstrates expertise in semantic HTML, advanced CSS techniques, and interactive JavaScript, later refactored to a robust modular TypeScript structure.

Figma
HTML5
CSS3
JavaScript
TypeScript
React Prep

Let's Connect

Ready to collaborate on your next project? Let's build something amazing together.

Location

Bangkok, Thailand

GMT+7 (ICT)

Availability

Open to opportunities

Remote & On-site

Languages

Thai (Native), English (Intermediate)

Ready for global collaboration

Interests & Passions

🚀 Space Technology

Following SpaceX missions and space exploration developments

🤖 AI & Machine Learning

Exploring the latest in AI advancements and LLM technologies

🌱 Open Source

Contributing to the developer community and open-source projects

🎮 Gaming Tech

Interest in game development and interactive web experiences

📱 Mobile Innovation

Keeping up with mobile development trends and PWA technologies

🌍 Sustainability

Passionate about green technology and sustainable development