Available for Full-Stack Roles

Ratchanon
Kulpatrakorn

Full-Stack Developer

I am a Full-Stack Developer with hands-on experience building real-world web applications across frontend, backend, database, testing, deployment, and system operations. I adapt quickly to new technologies, tools, and project requirements, with a strong focus on writing maintainable code, designing reliable APIs, and delivering practical software solutions that can be used and maintained in real environments.

Get in TouchGitHub ↗
10+
Projects
2
Internships
3.38
GPA
Career Path

Professional Experience

Nov 2025 – Mar 2026

Full-Stack Developer Intern

P Pella Company Limited
  • Owned the end-to-end development of an aquaculture management platform for a Betagro-Kasetsart University research initiative, transforming fragmented manual workflows into a unified system, through responsive interfaces and dashboard workflows using Next.js.
  • Engineered a scalable backend architecture with Node.js, TypeScript, PostgreSQL, and Prisma, improving type integrity and API reliability across the system while reducing runtime failures by approximately 65%.
  • Established a robust automated testing strategy with Jest, driving coverage beyond 95% and improving software quality through earlier identification of critical defects prior to production rollout.
  • Oversaw production deployment and runtime operations on Ubuntu infrastructure with Nginx reverse proxy and PM2 process management, maintaining 99.9% uptime and dependable service continuity.
Jun 2025 – Nov 2025

Teaching Assistant - Basic Engineering Programming

Prince of Songkla University
  • Mentored 60+ first-year students in Python programming labs, translating fundamental concepts into practical guidance for debugging, code structure, and problem-solving.
  • Evaluated lab assignments with a focus on functional correctness, code quality, and solution logic, providing actionable feedback to help students improve their programming discipline.
Mar 2025 – Jun 2025

IT Developer Intern

The Old Phuket Karon Beach Resort
  • Developed a serverless event operations platform using Google Apps Script for an annual hospitality IT seminar with approximately 300 attendees from leading hotels across Southern Thailand, replacing manual registration with a QR-based self-service workflow that improved attendee throughput and reduced front-desk dependency.
  • Implemented an Applicant Tracking System using Next.js and NestJS to centralize applicant data and job posting workflows, enabling HR to manage recruitment processes more efficiently and systematically.
  • Provided rapid-response technical support for critical local networking and device infrastructure, troubleshooting software and connectivity issues across internal and guest-facing services in a hospitality environment.
Portfolio

Selected Projects

Web App

Smart Catfish Farm Management

Production aquaculture platform with real-time pond monitoring, automated feeding schedules, and enterprise-grade Nginx/PM2 deployment on Ubuntu.

Next.jsExpress.jsPostgreSQLTypeScriptPrisma+3
Web App

Event Operations Platform

Serverless QR-based check-in platform for a 300-attendee hospitality seminar, with live attendance dashboards and zero infrastructure cost.

Google Apps ScriptGoogle SheetsJavaScriptHTML/CSS
Mobile App

Campus Life Hub

Flutter app that unifies campus services (course enrollment, announcements, events, schedules, and turn-by-turn Google Maps navigation).

FlutterFastAPIPostgreSQLDartRiverpod+6
Web App

Furniture Store

Full e-commerce prototype covering a customer storefront, catalog, cart, checkout UI, and admin dashboard, built with Next.js and TypeScript.

Next.jsFirebaseMongoDBTypeScriptTailwind CSS+4
Web App

OpsPulse DevOps Monitoring

DevOps monitoring platform for Ubuntu, Nginx, and PM2 workloads, with health scoring, telemetry ingest, incident alerts, and safe SRE controls.

Next.js.NET 8PostgreSQLTypeScriptDocker+6
Mobile App

Personal Wellness Tracker

Flutter wellness app powered by Gemini AI, generating personalized daily meal plans, activity recommendations, and habit reminders from your profile.

FlutterFirebaseSQLiteGemini APIDart+1
Web App

AZ Phuket Staff Portal

An internal HR portal for AZPhuket Hotels & Resorts, digitizing paper-based workflows with a drag-and-drop candidate pipeline and public career board.

Next.jsNestJSPrismaPostgreSQLSQLite+4
Embedded

Automated Access Fee Collection

Embedded facility access system with barcode check-in, automatic usage-time fee calculation, and Arduino-driven coin payment detection via UART.

Arduino UnoOdroid-C4C/C++PythonUART+5
HPC

Raspberry Pi Spark Cluster

Physical HPC cluster of networked Raspberry Pi nodes running Apache Hadoop and Spark to process large datasets across a distributed multi-node.

Raspberry PiUbuntuApache SparkHadoop HDFSBash+3
Capabilities

Technical Expertise

💻
Programming Languages
TypeScriptJavaScriptDartPythonRPHPCC++C#
⚛️
Frontend
ReactNext.jsHTML5CSS3Tailwind CSSResponsive Design
📱
Mobile Development
FlutterReact NativeRiverpodAndroid DevelopmentMobile UI/UX
⚙️
Backend
Node.jsExpressNestJSASP.NETFastAPIStrapiFirebaseGoogle Apps Script
🗄️
Databases
PostgreSQLMySQLSQLiteMongoDBFirestoreRedisPrisma ORMGoogle Sheets
🚀
DevOps & Cloud
DockerKubernetesJenkinsGitHub ActionsVercelRenderAWSGCPUbuntu/Linux
🧠
AI / ML & Data
PyTorchTensorFlowOpenCVPandasNumPyScikit-LearnNLPML Inference
✅
Testing & QA
JestPytestPlaywrightSonarQubeLocustPostmanSupertestSwaggerReDoc
⚡
High-Performance Computing
CUDAOpenMPMPISlurmApache SparkHadoopAnsibleCluster Computing
Languages
Thai — NativeEnglish — Working Proficiency (TOEIC Mock ~800)
Qualifications

Academic Background

2022 – 2026

Bachelor of Engineering in Computer Engineering

Prince of Songkla University
GPA 3.38Second Class Honors
Relevant Coursework: Data Structures & Algorithms, Web Development, Software Development & Database Technologies, Mobile Application Development, Artificial Intelligence & Machine Learning, Data Analytics & Data Science, Statistics for Data Analysis, High-Performance Computing, Network Administration, Software Architecture, Embedded Systems and IoT.
2019 – 2022

High School Diploma in SMTE Program

Sadao Khanchai School
GPA 3.96Ranked 1st in the graduating class
Built a strong analytical foundation through an intensive Science, Mathematics, and Technology curriculum. Developed early interests in programming and logical problem-solving that led to pursuing Computer Engineering.
Contact

Get in Touch

I'm currently seeking full-stack and backend engineering roles where I can architect robust systems and deliver meaningful impact. Whether you have an opportunity or just want to connect, my inbox is always open.

✉
Email Me Atr.kulpatrakorn@gmail.com
📞 095-086-9626💻 GitHub💼 LinkedIn

Built with Next.js · Designed & coded by Ratchanon Kulpatrakorn · 2026