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ReactThree.jsWebGLTailwind CSS
Kongpatana Workshop Viewer
Interactive 3D workshop viewer with real-time object manipulation, dynamic lighting controls, and responsive rendering.
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Full-Stack Engineer · Portfolio
I craftproduct-gradeweb experiences that feel premium and perform reliably.
I am Ronnasit Tuayton, a DevOps / System Engineer & Full-Stack Developer. I build modern interfaces and robust backend systems focused on usability, scalability, and business outcomes.
Based in
Thailand
Open for
Recruiting + Freelance
About
Engineer profile built around ownership, reliability, and client-ready delivery.
I combine 2+ years of freelance product delivery with professional engineering experience across software, DevOps, and production systems. That mix helps me move from user-facing detail to infrastructure reliability without losing product context.
Current Track
DevOps / System Engineering with full-stack product depth
Freelance Signal
2+ years shipping client-facing web products independently
Delivery Style
Owns the path from UI and API to CI/CD, observability, and uptime
2+
years freelance delivery
8+
months professional engineering
2
months lead-dev scope
2
tracks: software + systems
Experience
Professional trajectory
A cleaner timeline focused on the hiring signals that matter: ownership, production awareness, client communication, and the ability to move between product and infrastructure layers.
Fast growth path
Jan 2026 - Present
4 months and counting
DevOps / System Engineer
OpenLandscape Company Limited
Moved into infrastructure-focused engineering, working across deployment workflows, system reliability, monitoring, and production operations while keeping full-stack context close to the product.
Builds operational tooling around CI/CD, Dockerized services, logs, and admin dashboards.
Bridges application code with infrastructure concerns so releases are easier to ship, observe, and recover.
2024 - Present
2+ years and counting
Freelance Full-Stack Developer
Independent client and product work
Delivered real-world web products across frontend, backend, AI, monitoring, and business workflows while continuing to grow into professional engineering and infrastructure roles.
Owned projects end-to-end from requirements, interface design, APIs, databases, deployment, and client-ready handoff.
Built a broad proof base across learning platforms, ticketing systems, dashboards, computer vision, monitoring bots, and admin tools.
Sep 2025 - Dec 2025
4 months total
Software Engineer
Internet Thailand Public Company Limited
Joined as a Software Engineer and quickly earned lead-dev responsibility for about 2 months, contributing across application delivery, team coordination, and production-minded implementation.
Took ownership beyond individual tickets, helping align implementation details and delivery priorities.
Worked in an enterprise environment where reliability, communication, and maintainability mattered as much as feature output.
Selected Work
Portfolio projects built for real users, real constraints, and measurable impact.
A curated set of products I designed and developed end-to-end, balancing visual quality, engineering reliability, and product outcomes.
ReactSpring BootMySQLStripe
SpotUp
End-to-end event ticketing platform with secure checkout flow, ticket validation, and operational scanning tools.
HTMLCSSJavaScript
MusicBeats
Concept landing page that blends two visual references into one cohesive interface with responsive interaction patterns.
Next.jsSupabaseTailwind CSSSEO
English Korat
Learning center website for English Korat with public pages, service information, and a production domain ready for students and parents.
Next.jsExpressMongoDBSocket.IOAI
Trips We
Full-stack group trip planner with itineraries, expense splitting, voting, real-time chat, and AI-assisted date suggestions.
CodeRepo Only
PythonDockerJenkinsMonitoring
Orbit Monitor
DevOps monitoring bot with Docker/Jenkins delivery, ingress webhooks, Discord-style alerts, structured log retention, and admin APIs.
CodeRepo Only
PythonYOLOComputer VisionDashboard
AI Secure Cam
Computer-vision security workflow using Python, YOLO, frame extraction, labeling dashboards, and video analysis utilities.
CodeRepo Only
GoMySQLRedisRBACS3
English Korat Go Backend
Production backend for English Korat with RBAC, JWT auth, MySQL, Redis caching, S3 storage, bilingual data, and deployment runbooks.
CodeRepo Only
Spring BootJavaMySQLStripeDocker
Ticket System Backend
Spring Boot ticketing API with JPA persistence, security, JWT authentication, Stripe payments, mail workflows, and Docker/Kubernetes assets.
CodeRepo Only
Capabilities
End-to-end stack coverage across frontend, backend, and cloud delivery.
I choose technologies based on product needs, maintainability, and long-term scalability, not trends.
Frontend
React
Next.js
TypeScript
JavaScript
Tailwind CSS
Three.js
HTML5
CSS3
Figma
Backend
Node.js
Express
MongoDB
MySQL
Java
Spring Boot
Python
REST API
Cloud & DevOps
Google Cloud
Firebase
Docker
Kubernetes
Git
GitHub Actions
CI/CD
Vercel
Contact
Let us build something meaningful together.
Whether you are hiring for a product team or planning a new web project, I am happy to discuss scope, timeline, and technical direction.
Contact Information
I typically reply within 24 hours. For freelance requests, include goals, timeline, and any technical constraints.