Hardware POS System
Freelance Project Lead
Lead a five-person team designing a hardware POS system with barcode scanning, customer displays, role-based access, and offline-ready records.
Project LeadershipSupabase RLSGit WorkflowPOS
Hello, I'm
Paramet Dennis Hoke Arrington IV
Software Intern
Fourth-year Computer Engineering student with hands-on experience leading freelance software projects across full-stack web development, POS systems, WordPress, and embedded IoT.
21
Main Projects
13
Soft Skills
5
Skill Groups
About Me
I'm a fourth-year Computer Engineering student at Rajamangala University of Technology Isan, Khon Kaen Campus, with a cumulative GPA of 3.17. My freelance experience includes leading teams and building POS systems, full-stack landing pages, WordPress solutions, and embedded IoT projects.
Role
Software Intern
Education
B.Eng. Computer Engineering, 4th Year
GPA
3.17
Location
Khon Kaen, Thailand
paramet.arrington4@gmail.com
Languages
Thai (Native), English (CEFR B1)
Skills
Programming Languages
CJavaPythonHTMLCSSJavaScript
Frameworks
Next.jsTailwind CSSReactSpring BootVite
Development Tools
VS CodeGitGitHubVercelPostmanXAMPPFigma
Backend & Data
SupabaseSupabase RLSCRM IntegrationOffline-Ready Data
Hardware & Embedded
ESP32ArduinoSensors IntegrationEmbedded Systems
Work Experience
Freelance, production development, and service experience that shaped how I work.
TRP Powers Plus
Freelance Tech Lead & Full-Stack Developer
Led a full-stack landing page from Figma to production, integrating Supabase CRM and Git quality workflows to improve performance and conversion.
RMUTI Mechanical Engineering
Freelance WordPress Developer & UI Designer
Gathered requirements from faculty, designed the UI/UX and content structure, then delivered a custom WordPress site on schedule.
7-Eleven
Part-Time Food Delivery Staff
Delivered orders under strict schedules, served diverse customers, supported branch operations, and assisted with preliminary stock preparation.
Time ManagementCustomer ServiceOperations
Projects
Things I've built or am currently working on.
EME RMUTI Department WebsitePublic
CompletedProject Lead · WordPress Developer & UI Designer · March 2025 – April 2025
Built and launched a WordPress site for RMUTI Mechanical Engineering after gathering requirements and designing its UI/UX and content structure.
WordPressElementor pluginHTML+1
HTML
Completed
Built a real-time warehouse monitor by connecting ESP32 sensors to a React dashboard, enabling fast inventory visibility with low data latency.
ReactESP32Sensors Integration+1
React
Terminal Game Survival ChoicePublic
CompletedBuilt a Python terminal adventure where player choices branch the story; conditionals and state variables determine each survival outcome.
Python
Python
rock-paper-scissorPublic
CompletedBuilt a Tkinter Rock-Paper-Scissors game in Python to handle GUI events, player input, and randomized computer choices.
Python
Python
Dog simulator game (terminal)Public
CompletedBuilt a Java virtual-pet simulator where players manage a dog's hunger, happiness, and energy through feeding, play, and rest decisions.
Java
Java
calculator-by-using-javaPublic
CompletedBuilt a Java calculator that validates user input and performs addition, subtraction, multiplication, and division through clear arithmetic logic.
Java
Java
DNA-cafe-web-by-using-htmlPublic
CompletedDesigned a responsive single-page website for DNA Cafe using semantic HTML and CSS, presenting the café in a warm, easy-to-scan layout.
htmlCSS
HTML
Rock-Paper-ScissorsPublic
CompletedBuilt a browser Rock-Paper-Scissors game with JavaScript, using randomized computer choices, conditional rules, and live UI state updates.
JavaScript
JavaScript
Easy Horoscope GeneratorPublic
CompletedBuilt a lightweight JavaScript fortune generator that selects and formats random predictions from arrays for quick daily entertainment.
JavaScript
JavaScript
Mood Changing by ClickPublic
CompletedBuilt an interactive mood page with HTML, CSS, and JavaScript; each click updates the mood state and background color instantly.
HTMLCSSJavaScript
JavaScript
Random Quotes GeneratorPublic
CompletedBuilt a JavaScript quote generator that shows a new attributed quote on each click, with smooth color transitions and DOM updates.
HTMLCSSJavaScript
JavaScript
Meme RandomPublic
CompletedBuilt a JavaScript meme generator that fetches a new image from an external API on demand, practicing async requests and response handling.
JavaScriptAPI
JavaScript
Weather Web FrontendPublic
CompletedBuilt a city weather search using OpenWeatherMap API, showing temperature, humidity, conditions, and rotating backgrounds in real time.
HTMLCSSJavaScript+1
Pomodoro TimerPublic
CompletedBuilt a JavaScript Pomodoro timer with adjustable sessions, start-stop-reset controls, a live countdown, and completion alerts for focused work.
HTMLCSSJavaScript
JavaScript
Note Save DiaryPublic
CompletedBuilt a Next.js note and task tracker with Thai calendar support, deadline alerts, a live clock, and persistent Supabase storage.
Next.jsReactTypeScript+2
TypeScript
To-Do ListPublic
CompletedBuilt a simple daily task manager where users can add, edit, delete, complete, and review tasks through a clear browser interface.
HTMLCSSJavaScript
JavaScript
Dparamet PortfolioPublic
CompletedBuilt a responsive personal portfolio with HTML, CSS, and JavaScript to present selected projects, skills, and contact information clearly.
HTMLCSSJavaScript
JavaScript
Portfolio D-KubPublic
CompletedBuilt a modern responsive portfolio that organizes project highlights, professional details, and contact channels into a focused layout.
HTMLCSSJavaScript
Mind-PaintPublic
CompletedBuilt an interactive React drawing app with HTML5 Canvas for responsive rendering and Local Storage for preserving user artwork.
ReactHTML5 Canvas APILocal Storage
React
Hardware POS SystemPrivate
In ProgressProject Lead · May 2026 – Present
Lead a five-person team building a hardware POS with barcode scanning, customer displays, role-based Supabase RLS, and offline-ready logs.
SupabaseSupabase RLSBarcode Scanning+2
TRP Powers Plus Landing PagePublic
CompletedTech Lead & Full-Stack Developer · May 2026 – July 2026
Led a full-stack landing page from Figma to launch, integrating Supabase CRM and Git quality workflows to improve performance and conversion.
SupabaseCRM IntegrationFigma+1
Soft Skill
Core interpersonal skills I use in projects, plus hobbies that keep me creative.
Clear Communication
StrongCommunicated directly with faculty, teammates, and diverse customers to clarify requirements and maintain service quality.
Stakeholder Communication
Team Collaboration
StrongCoordinated a five-member development team and established shared Git workflows for reliable collaboration.
Git Workflow
Problem Solving Mindset
StrongTranslate requirements into scalable solutions, from offline-ready POS data to low-latency IoT monitoring.
Solution Architecture
Ownership & Initiative
GrowingLed projects from requirement analysis and architecture through implementation, quality standards, and delivery.
Project Leadership
Adaptability
GrowingAdapt across full-stack web development, WordPress, POS workflows, customer operations, and embedded systems.
Cross-Functional Work
Gaming
PracticeGaming sharpens strategy, decision-making under pressure, and pattern recognition.
Strategy
Anime
PracticeAnime inspires storytelling ideas, creativity, and perspective in design thinking.
Creativity
Self Improvement
GrowingDaily habit of learning, reflection, and continuous growth in both life and coding.
Consistency
Time Management
StrongManaged strict delivery schedules while balancing university study, freelance projects, and operational responsibilities.
Prioritization
Customer Service & Operations
StrongServed diverse customers, supported branch operations, and assisted with preliminary stock preparation at 7-Eleven.
Service Quality
Territorial Defense Student Battalion Commander
StrongDeveloped advanced leadership, discipline, and endurance while overseeing nearly 200 cadets through respectful, calm, and approachable command.
Advanced Leadership
Territorial Defense Student Company Commander
StrongStrengthened leadership, discipline, and endurance while coordinating two platoons and supervising approximately 100 cadets.
Unit Coordination
Territorial Defense Student Platoon Leader
StrongEarned the trust of peers and instructors to lead approximately 50 cadets, building cooperation, respect, and unity through calm leadership.
Trust & Unity
Contact
Want to work together or just say hi? Feel free to reach out!