Hi, I'm Supakit Wiwustinon
"Mid-level Full-Stack Software Developer based in Thailand."
"Mid-level Full-Stack Software Developer based in Thailand."
Hi, my name is Supakit Wiwustrinon. I’m a versatile and results-oriented full-stack developer with hands-on experience in building modern web and mobile applications. Skilled in designing scalable, high-performance systems and developing end-to-end solutions—from clean UIs to robust backend services. Passionate about solving real-world problems through technology, with a strong foundation in data-driven development, automation, and system architecture.
JavaScript / TypeScript, Python, Go, PHP, C/C++, Java, Kotlin, Dart
React, React Native, Next.js, Svelte, Flutter, HTML5/CSS3, Tailwind CSS, Electron
Node.js, NestJS, Express, FastAPI, Laravel, GraphQL, Firebase, PostgreSQL, MongoDB, MSSQL
Docker, Nginx, Linux, Git, Firebase, CI/CD, Cloud Platforms, Supabase, PocketBase
TensorFlow, Machine Learning, Data Analysis, Predictive Modeling
Full-Stack Developer | OrangeCap Innovative (Feb 2026 – Present)
Contributing to multiple production-grade systems (TAGTHAi Platform, Dentcloud) focusing on scalable architecture and business-critical features. Tech: React, Next.js, Vue, TypeScript, NestJS, MongoDB, GCP.
Full-Stack Developer | Codepassion (Jul 2025 – Feb 2026)
Built full-stack modules for a government water-management system (RID) and a mobile+backend employee attendance platform (TRC). Tech: Next.js, TypeScript, Supabase, Flutter, NestJS, PostgreSQL.
Backend Developer | M-Intelligence / Connect X (Mar 2025 – Jun 2025)
Maintained and developed backend systems in an Agile team. Built new features including audience filtering, point-summary export, and a personalized Rich Menu CMS. Tech: Node.js, TypeScript, Prisma, PostgreSQL.
Freelance Full-Stack Developer & System Designer (Apr 2021 – Jan 2025)
Delivered end-to-end web and mobile solutions across e-commerce, logistics, and SaaS industries. Led full project lifecycle from design to deployment with CI/CD and containerisation.
IT Support (ITSM/ITAM) | Kasikornbank (May 2024 – Nov 2024)
Managed IT asset lifecycle, automated internal workflows, and provided technical troubleshooting.
Front-End Developer | KOS Design (Jun 2023 – Nov 2023)
Led frontend development projects, improved website performance, and implemented responsive UI/UX designs. Tech: React, Tailwind CSS, JavaScript.
Cryptocurrency Application
Code refactoring and bug fixing to enhance stability and functionality. Worked closely with the client to meet business requirements.
Bus Schedule Application
Designed and developed an intuitive bus schedule app with React Native, Expo, and PocketBase.
Power Talent Application
Built a platform for freelancers using React Native, Expo, Node.js, Express, Redis, PocketBase, and Cloudflare.
Water Quality Prediction Website
Developed a site for predicting water quality parameters using Next.js and FastAPI.
Student Enrollment Management System
Created a platform to manage enrollments and grades with Next.js and Lumen API.
Telex-Chat Application
Built a chat application using React Native, Expo, and Firebase for real-time messaging.
Shop Management Application
Developed a shop management system for inventory tasks with database integration.
LINE Pet Funds Chatbot
Developed a chatbot for pet fund donations using Node.js and LINE's Messaging API.
Lazier Application
Native iOS app combining task management, Pomodoro timer, calendar planning, and personal finance tracking. Features OCR receipt scanning, iCloud sync, and real-time analytics. Published on the App Store. Tech: Swift, iOS SDK, OCR, iCloud.
Selen-VoIP
Debugged and maintained a Kotlin-based Softbox VoIP application, resolving performance and stability issues across call handling and UI layers. Tech: Kotlin, Android, VoIP Protocols.
Bachelor of Science in Computer Science
Kasetsart University Sriracha Campus (2019-2024)
Music, Gaming, Reading, Drawing, Photography, Coding