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Kitti Onthong (Galacgolf)

Senior Full-Stack Developer · Backend Systems · AI Automation
Open to remote, hybrid, and freelance opportunities

Senior Full-Stack Developer with 7+ years of experience building scalable web platforms, backend systems, cloud infrastructure, and AI-powered automation. Skilled in Next.js, NuxtJS, Angular, NestJS, Golang, WordPress, Strapi, Docker, and LLM integration for business solutions.

Location

Bangkok, Thailand

Email

golf.koz@gmail.com

Website

galaclab.com

Availability

Open to remote, hybrid, and international full-time or freelance opportunities.

Core Skills

Next.js NuxtJS React Angular NestJS Golang REST API WebSocket LINE Platform Integration WordPress Strapi MySQL PostgreSQL MongoDB Redis Docker Nginx DigitalOcean Cloudflare OpenAI API LLM Integration n8n AI Workflow Automation

Additional Strengths

System Architecture Backend Platform Design Database Design Performance Optimization Cloud Deployment Legacy Refactoring Production Debugging Business Workflow Design

Experience

TWF Agency — Full-Stack Developer / Backend Engineer

Dec 2019 – Present
Designing and developing scalable web applications, backend systems, reporting tools, CMS integrations, and AI-assisted automation workflows.
  • Built full-stack platforms using Next.js and NestJS for client and internal systems.
  • Developed custom WordPress plugins and admin workflows for booking, payment, and reporting systems.
  • Designed backend APIs, database structures, and business logic for campaign, dashboard, and support platforms.
  • Managed Docker-based infrastructure, deployment pipelines, and cloud environments.
  • Implemented AI-assisted workflows for content generation, reporting, and process automation.

PIC Phuket — Developer

Mar 2017 – Dec 2019
Worked on web and mobile applications, internal business software, and product-oriented development initiatives.
  • Developed web and mobile app features for practical business use cases.
  • Contributed to the Bee-card project and internal service tools.
  • Supported product research and feature exploration for new ideas and services.

Selected Projects

POS Platform

Retail POS architecture with order flow, payment handling, weight-based pricing support, and extensible backend design for future branch and cloud expansion.

Campaign System

Mobile-first platform supporting registration, OTP verification, receipt upload, product validation, reward flow, and admin-ready backend operations.

Booking & Reporting System

Custom WordPress-based reporting workflows including booking exports, payment-related customization, filterable admin reporting, and CSV-based operational insight tools.

AI Automation Workflow

LLM-powered content generation, workflow orchestration, automated reporting, and operational automation using OpenAI integrations and n8n pipelines.

Chat Analytics Dashboard

Backend-oriented analytics and KPI reporting platform for chat-driven systems with lead logic, reporting APIs, and data integration across multiple sources.

Languages

Thai

Native

English

Professional Working Proficiency

Target Roles

Senior Full-Stack Developer Backend Engineer Backend Developer AI Integration Engineer