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KONG CHANSILA — Full-Stack Software Developer, home

Full-Stack Software Developer

Hi, I'm KONG CHANSILA

Building complete, resilient, and scalable systems from database to production.

Full-time software development · 2020 — Present

View Selected Work Let's Talk
  • Go
  • Laravel
  • Vue
  • Nuxt
  • Flutter
  • MySQL
  • Docker
  • Cloudflare
Kong Chansila, Full-Stack Software Developer
01Experience

Professional full-time software development since 2020.

02Technical breadth

Backend, frontend, mobile, databases, APIs, infrastructure, WordPress, SEO, and cloud deployment.

03Production ownership

Architecture, development, database, security, deployment, monitoring, backup, and maintenance — not just writing code.

About

KONG CHANSILA

Full-Stack Software Engineer & Technology Lead specializing in end-to-end architecture, high-performance web/mobile applications, cloud infrastructure, and secure payment integrations.

I am a full-stack software developer with professional experience since 2020, specializing in end-to-end system architecture, high-performance web and mobile applications, and cloud infrastructure. Most of my work involves building and running complete systems rather than isolated features—designing data models, building secure APIs, crafting responsive user interfaces, and managing cloud deployment and production operations. I prioritize clean, maintainable architecture that remains readable over time and plan for potential failure modes before code ever reaches production.

Production lifecycle I own

  • Architecture
  • Development
  • Database
  • Security
  • Deployment
  • Monitoring
  • Backup
  • Maintenance

Experience

Work Experience

My professional journey and the teams I've built with.

  1. Founder & Full-Stack Technology Lead

    Current

    Go Tect Company Solution Dec 2025 - Present

    Founder and technology lead responsible for delivering end-to-end software and IT solutions for businesses, from business requirements and system architecture through development, deployment, security, and ongoing technical operations.

    Lead the design and development of custom web, mobile, POS, CRM, e-commerce, restaurant, booking, payment, and business management platforms.

    Architect scalable systems using Go, Laravel/PHP, Nuxt 3, Vue.js, Flutter, MySQL, REST APIs, JWT, and cloud infrastructure.

    Develop and integrate payment solutions including KHQR, Bakong, PPCBank, ABA PayWay, and third-party payment and business APIs.

    Manage production infrastructure and DevOps across DigitalOcean, Railway, Cloudflare, Cloudflare R2, Linux, Docker, GitHub Actions, DNS, SSL, CI/CD, monitoring, and deployment environments.

    Build modern media, video, livestream, and content platforms, including cloud storage, video delivery, API services, social sharing, SEO, and Open Graph optimization.

    Lead technical strategy, software architecture, security, performance optimization, database design, troubleshooting, and technology decisions across projects.

    Work directly with business requirements and translate operational needs into reliable, scalable, and maintainable technology solutions.

  2. IT Manager & Full-Stack Developer

    2M Media Nov 2022 - Dec 2025 Khan 7 Makara , Phnom Penh

    • Lead end-to-end development and technical operations across web, mobile, e-commerce, CRM, POS, payment, media, and business management platforms.
    • Architect and develop scalable full-stack systems using Go, Laravel/PHP, Nuxt 3, Vue.js, MySQL, REST APIs, and Flutter, from system design through production deployment.
    • Design and integrate payment and financial workflows, including KHQR, Bakong, PPCBank, ABA PayWay, real-time payment verification, and transaction processing.
    • Manage cloud infrastructure, Linux servers, DigitalOcean, Railway, Cloudflare R2, Docker, DNS, SSL, GitHub Actions, and CI/CD, ensuring reliable production deployments.
    • Lead backend architecture, database design, authentication, JWT security, RBAC/permissions, device/session management, API security, performance optimization, and system monitoring.
    • Build high-performance media and livestream platforms, including video storage, streaming infrastructure, social sharing, SEO/Open Graph optimization, and scalable API services.
    • Provide technical leadership across the full software lifecycle—architecture, development, troubleshooting, deployment, security, optimization, and ongoing IT operations—while evaluating new technologies and improving business processes.

  3. Full-Stack Developer

    Technology Solution Development TSD Co,.Ltd. Dec 2021 -Nov 2022 #D49, StreetVI-18, Toul Sangke Commune, Reussey Keo District, Phnom Penh, Cambodia

    • Developed and maintained multiple client web applications using PHP, Laravel, and CodeIgniter.
    • Developed and integrated Telegram Chat Bots to automate customer communication and business processes.
    • Built and customized web application features based on client requirements.
    • Worked with databases, backend logic, APIs, and third-party service integrations.
    • Collaborated with UI/UX and design teams to implement pixel-perfect, responsive user interfaces.
    • Provided technical support, troubleshooting, and maintenance for client projects.
    • Fixed bugs, optimized existing features, and improved application performance and reliability.
    • Participated in testing, deployment, and ongoing maintenance of production applications.
    • php
    • laravel
    • mysql
    • codeIgniter
    • html
    • css
    • boostrap

  4. Web Development (Internship)

    Technology Solution Development TSD Co,.Ltd. Sep 2021 -Dec 2021 #D49, StreetVI-18, Toul Sangke Commune, Reussey Keo District, Phnom Penh, Cambodia

    • Developed and maintained web applications using PHP and CodeIgniter 3.
    • Built and customized web application features based on business requirements.
    • Customized and maintained inventory management (Custom INV) systems, including product and stock-related functionality.
    • Provided technical support and troubleshooting for customers using the web application.
    • Fixed bugs, investigated system issues, and improved existing application functionality.
    • Worked with databases and backend functionality to support daily business operations.
    • Collaborated with team members to test, deploy, and maintain web application features.
    • CodeIgniter
    • Php
    • Css
    • Html
    • bootstrap
    • Mysql

Selected Work

Selected Work

A selection of applications and systems I've worked on.

Bubblewhite

E-commerce / Web Application

Bubble White

A Cambodia-focused clothing e-commerce platform covering product discovery, shopping workflows, customer accounts, orders, promotions, image management, and payment integration.

  • Nuxt
  • Vue
  • Tailwind CSS
  • MySQL
  • Cloudflare
  • Payment APIs
  • GO
  • Railway
View Case Study Live Website
Coffee App — Mobile / Business Application

Mobile / Business Application

Coffee App

Content pendingone sentence describing what this application does, in business terms.content/projects.ts

  • Flutter
View Case Study
Portfolio — Web Development

Web Development

Portfolio

This site — a server-rendered Nuxt 4 frontend with a Go API and MySQL behind it, containerised and deployed behind Nginx and Cloudflare.

  • Nuxt 4
  • Vue 3
  • TypeScript
  • Tailwind CSS
  • Go
  • MySQL
  • Docker
  • Nginx
  • Cloudflare
View Case Study

Web / SEO

Web / SEO

WordPress & SEO

Content pendingone sentence on the kind of WordPress and SEO work you deliver, without naming clients you cannot cite.content/projects.ts

  • WordPress
  • Elementor Pro
  • PHP
  • MySQL
  • Technical SEO
  • Structured Data
  • Cloudflare
  • cPanel
View Case Study
All work

Technical Capabilities

Technical Capabilities

The domains I work in, and the tools I use inside them. No proficiency percentages — depth shows in the case studies.

Software Architecture

System architecture, modular design, maintainable project structures, and scalable application design.

  • System design
  • Modular structure
  • Domain separation
  • Code review
  • Documentation

Backend & APIs

Business logic, REST APIs, authentication, authorization, validation, and third-party integrations.

  • Go
  • Laravel / PHP
  • REST
  • Auth & sessions
  • Validation
  • Integrations

Frontend

Responsive, API-driven interfaces with a typed component architecture and measured performance.

  • Vue 3
  • Nuxt
  • TypeScript
  • Tailwind CSS
  • SSR / SSG
  • Accessibility

Mobile

Cross-platform mobile applications sharing the same backend contracts as the web clients.

  • Flutter
  • Android
  • iOS
  • Firebase
  • Mobile API integration
  • Release builds

Data

Relational design that holds up under real data volume, with integrity and recovery planned in.

  • MySQL
  • Schema design
  • Migrations
  • Indexing
  • Query optimisation
  • Backup & recovery

Infrastructure

Provisioning, serving, and routing production applications on Linux and managed platforms.

  • Linux / Ubuntu
  • Docker
  • Nginx
  • VPS
  • Railway
  • DigitalOcean
  • Cloudflare
  • cPanel

Security

Application and infrastructure hardening treated as part of the build, not a later pass.

  • Authentication
  • Authorization
  • Input validation
  • HTTPS / TLS
  • API protection
  • Rate limiting
  • Secure configuration

Production

Keeping systems observable and recoverable once real users depend on them.

  • Logging
  • Monitoring
  • Health checks
  • Error handling
  • Backups
  • Deployment
  • Maintenance

Services

What I Build

Engagements are scoped around the outcome you need, not a list of technologies.

Backend & API Systems

Secure APIs, business logic, integrations, authentication, and the database design underneath them.

Custom Web Applications

Business systems, dashboards, portals, customer applications, and internal tools built around your actual workflow.

Mobile Applications

Cross-platform mobile applications using Flutter, sharing one backend with your web product.

E-commerce

Product catalogues, customer accounts, orders, payments, promotions, and the administration system that runs them.

WordPress & SEO

Professional websites with Elementor, plus technical SEO, performance optimisation, and hosting setup.

  • WordPress
  • Elementor
  • Elementor Pro
  • PHP
  • MySQL
  • Technical SEO
  • On-page SEO
  • Performance
  • Mobile SEO
  • Sitemap
  • Structured Data
  • Cloudflare
  • cPanel

Production Deployment

Docker, Linux, VPS, Nginx, Cloudflare, backups, monitoring, and the operational work after launch.

Engineering Philosophy

Built for Production

Architecture

Designed before implementation, so the structure survives the second and third feature.

Security

Considered from the application layer down to the infrastructure it runs on.

Reliability

Errors, backups, monitoring, and recovery are part of the system, not an afterthought.

Maintainability

Clean structure and documentation so future development does not start with archaeology.

Contact

Let's Build Something

Have a product, business system, website, or application in mind? Let's discuss the requirements, technical approach, and next steps.

Let's Build Something

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Contact Information

Follow Me

Available for leadership roles, high-impact consulting, and full-stack architecture projects. Open to local and remote collaborations.

Useful to include

  • What the system needs to do
  • Who will use it, and roughly how many
  • Any existing stack or hosting constraints
  • Timeline and decision process