Apichai Tinjong
อภิชัย ทินจอง
Full Stack Developer | Software Engineer | Web Developer |
DevOps Enthusiast
Summary
Information Technology graduate from Khon Kaen University, focused on Full Stack Web Development. Strong foundation in problem-solving, system improvement, and feature development. Experienced in freelance and outsourced projects, including maintenance (MA), feature enhancement, project-based delivery, and Dev/Ops operations. Ready to contribute technical skills, adaptability, and a strong work ethic to a professional development team.
Education
Bachelor of Science in Information Technology
College of Computing, Khon Kaen University
2022 — 2026
First-Class Honors
Work Experience
Full Stack Developer
DELTA SOFT (THAILAND) CO., LTD.
Apr 2026 — Present
- Developed and maintained restaurant management systems (MA)
- Tech stack: Angular, React, Node.js, NestJS, Java, MySQL, MongoDB, Redis, Firebase
- Built cross-platform mobile applications using Cordova
Software Developer (Full Stack) — Cooperative Education
BUSSING TRANSIT CO., LTD.
Nov 2025 — Mar 2026
- Participated in full stack software development for 4 months
- Gained hands-on experience in a professional development environment
Freelance & Outsource
Independent / Project-Based (Over 3 years)
- Freelance: Improved systems, added new features, and handled MA (Maintenance) based on client requirements
- Outsource: Delivered work in a project-based engagement model
- Operation (Dev/Ops): Supported deployment, monitoring, and system operations to keep services stable
Technical Skills
| Languages | JavaScript, PHP, Python, Java, Kotlin, HTML/CSS, SQL, Go |
| Frameworks | Node.js / Express, React, Next.js, Flask, Laravel, Spring Boot, Jetpack Compose, Tailwind CSS, Astro, NestJS |
| Databases | MySQL, PostgreSQL, MongoDB, Redis, SQLite, Cloudflare R2 (S3-compatible) |
| Tools & Platforms | Git, GitHub, VS Code, Postman, Vercel, Cloudflare (R2, Tunnel), Firebase, Supabase, Stripe, Prisma, Vite, Cordova |
Projects
STUDENT ATTENDANCE AND ACTIVITY RECORDING SYSTEM WITH LOCATION VERIFICATION FOR SECONDARY SCHOOLS (Senior Project)
2025–2026
ระบบบันทึกและตรวจสอบการเข้าเรียนและกิจกรรมของนักเรียนด้วยวิธีการยืนยันตำแหน่งที่ตั้งสำหรับโรงเรียนมัธยมศึกษา
React.js, Node.js, MySQL, S3 Storage, GPS, LINE Notify, PWA
- Developed a GPS-based web application for student attendance and activity tracking, supporting 4 user roles: admin, teacher, student, and parent
- Implemented location verification using Ray Casting Algorithm (Geofencing) with average GPS accuracy of 13–14 meters
- Integrated LINE Notify to alert parents in real-time when students are late or absent
- Built as a Progressive Web App (PWA) with React.js frontend, Node.js backend, MySQL database, and S3 file storage
- User satisfaction rated "Very Good" (average 4.27/5.00)
Awards & Publications
AUCC 2026 — The 14th Asia Undergraduate Conference on Computing
2026
- Oral Presentation (Thai) — Awarded Very Good Level
- Paper: "Student Attendance and Activity Recording System with Location Verification: A Case Study of Nampongsuksa School"
- Co-authored with Peeraphon Laosukangkoon and Asst. Prof. Monlica Wattana, Ph.D.