Roadmap
Projects2026
EventQR — QR-Based Event Attendance Platform
Full-Stack · 2026
A full-stack attendance platform that lets organizers manage session-based event check-ins with unique attendee QR codes, registration workflows, and reliable attendance records.
- React
- TypeScript
- Node.js
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Projects2026
Creative Excellence Awards 2026 — Judging & Voting Platform
Full-Stack · 2026
A bilingual full-stack platform for rubric-based awards judging, finalist selection, voting administration, and auditable results — built for the Creative Excellence Awards 2026.
- React
- TypeScript
- Go
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WorkApr 2026 — Present
Intern — Full-Stack Developer
Playtorium Solutions Public Company Limited · Bangkok
Building production features across the stack for client-facing products, from APIs and BFF logic to email workflows, inside an Agile team.
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AwardsMar 2026
Certificate of Academic Excellence — 3x Recipient
Three-time recipient of the Faculty of Engineering's Certificate of Academic Excellence at Chiang Mai University, for GPA 3.80 (2023), 3.86 (2024), and 3.73 (2025).
CertificationsFeb 2026
Developing the Artificial Intelligence of Things (DAIoT) Workshop — Helsinki University
University of Helsinki
Issued by University of Helsinki.
WorkDec 2025 — Present
Freelance Full-Stack Developer
Fastwork.co · Remote
Delivering freelance software and hardware projects for independent clients, from landing pages to full-stack apps and IoT circuit design.
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CertificationsNov 2025
Machine Learning with Python
freeCodeCamp
Issued by freeCodeCamp.
View credential ↗CertificationsNov 2025
Google IT Automation with Python Specialization
Issued by Google.
View credential ↗CertificationsOct 2025
Scientific Computing with Python
freeCodeCamp
Issued by freeCodeCamp.
View credential ↗AwardsSep 2025
31st Tri-U International Joint Seminar & Symposium — Workshop Presentation Award
Presented “Toward Visualizing Carbon Footprints from GTFS Data: A Realistic CO₂ Emission Model” at Mie University, Japan.
Related project →Projects2025
mattcosh.com — This Portfolio
Full-Stack · 2025
The site you're on right now — a hand-built, data-driven portfolio presenting my projects, experience, and timeline for recruiters and collaborators.
- Next.js
- TypeScript
- Tailwind CSS
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Projects2025
CO₂ Emission Visualization from GTFS Data
Research · 2025
A research-driven urban analytics tool that simulates and visualizes public-transit carbon emissions with particle-based dispersion modeling over Deck.GL and Chart.js.
- GTFS
- Deck.GL
- Chart.js
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WorkMar 2025 — Jun 2025
Summer Intern — IoT & Project Management
Teaching and Learning Innovation Center, Chiang Mai University · Chiang Mai
Three-month internship supporting IoT system setup, media-room automation, and Raspberry Pi-based workflows.
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Projects2025
OBS Multi-User Management System
Other · 2025
A profile-switching system for OBS Studio that gives every user of a shared university media room an isolated, one-click configuration.
- OBS Studio
- Session Management
- System Integration
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CertificationsMar 2025
Workshop on AI Driven Innovations in INDIA
Indian Institute of Technology Gandhinagar
Issued by Indian Institute of Technology Gandhinagar.
WorkNov 2024 — Apr 2026
Teaching Assistant (TA)
Chiang Mai University · Chiang Mai
Supported 80+ students across Calculus II, Computer Algorithm Lab, and Information Systems & Network Engineering Lab.
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CertificationsSep 2024
Introduction to Cybersecurity
Cisco Networking Academy
Issued by Cisco Networking Academy.
Projects2024
IsNear — Proximity Social Network
Full-Stack · 2024
A proximity-based social networking MVP that helps people discover and connect with others nearby through real-time geolocation and privacy-first profile controls.
- Geolocation
- Real-Time Matching
- Privacy Controls
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AwardsJul 2024
INTERLINK Cabling Contest No.12 — National Finalist
Represented Northern Thailand as a national finalist in fibre optic and Cat6 cabling under time-constrained competition conditions.
EducationMay 2023 — Mar 2027
Chiang Mai University
Bachelor's degree, Information Systems and Network Engineering
Focused on computer networks, system design, cybersecurity fundamentals, and software development, with three consecutive years on the Faculty of Engineering's Certificate of Academic Excellence.
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AwardsMay 2023
Microsoft Imagine Cup 2023 — World Championship Runner-Up
Progressed from Thailand National Finals Winner to Asia World Finals Winner to World Championship Runner-Up with CS-M Tool.
Related project →AwardsMay 2023
Regeneron ISEF 2023 — World Finalist
Selected as a World Finalist and presented CS-M Tool's research and prototype to international judges.
Related project →AwardsMar 2023
MEDCHIC Hackathon — First Runner-Up, Pitching Competition
Built and pitched an AI-driven healthcare concept for chronic disease management with a multidisciplinary team.
AwardsDec 2022
FIRST Tech Challenge 2022 — Best Engineering Design, Team Medusa
Served as lead engineer and programmer, contributing to robot architecture, control systems, and iterative design.
AwardsNov 2022
Thailand Young Scientist Festival (TYSF) 2022 — Gold Medalist
Gold medal for a research poster and technical explanation of CS-M Tool's methodology, prototype, and results.
Related project →Projects2022
GC-Fit — Computer Vision Fitness Coach
AI/ML · 2022
A real-time fitness app that uses OpenCV and MediaPipe pose estimation to recognize exercises and flag improper form as you train.
- OpenCV
- MediaPipe
- Pose Estimation
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AwardsSep 2022
Intel AI Global Impact Festival 2022 — Global Award Winner
Selected as a Global Award Winner in the 13–17 age category for CS-M Tool's AI-powered cardiac screening.
Related project →AwardsSep 2022
Thailand ICT Awards 2022 — Winner
National award for end-to-end product development, from requirements through build, test, and deployment.
AwardsAug 2022
National Science Week 2022 — Gold Medalist in Applied Science
Regional gold medal for CS-M Tool, presenting the healthcare problem, methodology, and experimental results.
Related project →AwardsAug 2022
Prime Minister's Science Project Award 2022 — First Place, Applied Science & Best Communication
First place in Applied Science and the Best Communication Award for CS-M Tool's prototype and research methodology.
Related project →Projects2021
I-THANKe — Physical Therapy Motion Tracking
AI/ML · 2021
A Unity-based physical therapy app that uses neural-network posture detection and gamification to help patients perform recovery exercises correctly and stay engaged.
- Unity
- Neural Networks
- Motion Tracking
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Projects2021–2023
CS-M — Cardiac Self-Monitoring Tool
AI/ML · 2021–2023
An AI-powered cardiac self-monitoring system that analyzes recorded heart sounds with a recurrent neural network to flag patterns linked to heart disease — combining custom recording hardware, signal processing, and a mobile app.
- Signal Processing
- RNN
- Raspberry Pi
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EducationMay 2021 — Mar 2023
The Prince Royal's College
High School Diploma
High School Diploma
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