Jirakit Pawnsakunrungrot

Web Developer

Web Developer with experience building web applications, management systems, REST APIs and business-oriented software. Strong focus on backend development, database design, clean UI implementation and practical software solutions.

E-Mail: [email protected]
+66 91 851 6264 Chiang Mai, Thailand github.com/sunny420x linkedin.com/in/sunny-jirakit sunny420x.com

Experience

Full Stack Web Developer (Internship)
Manao Software
Oct 2025 — Feb 2026
  • Developed custom web applications andmanagement systems for business and organization use.
  • Designed REST APIs, database structures and server-side application architecture.
  • Built responsive interfaces using HTML, CSS,JavaScript and Bootstrap.
  • Managed Linux servers, Nginx reverse proxy,SSL certificates and Node.js applications.
Freelance Web Developer
Self-Employed
  • Developed custom web applications and management systems for business and organization use.
  • Designed REST APIs, database structures and server-side application architecture.
  • Built responsive interfaces using HTML, CSS, JavaScript and Bootstrap.
  • Managed Linux servers, Nginx reverse proxy, SSL certificates and Node.js applications.
Full-Stack Web Developer | DevOps & Web Performance Engineer | Technical SEO Specialist
World Chemical Far East
Mar 2026 - Present
  • Architected custom WooCommerce plugins and modules, including Affiliate, Coupon, and Membership engines to seamlessly directly support marketing strategies and retention.
  • Internal System Requirement Gathering, Design and Developments.
  • Engineered and optimized WordPress core performance, successfully driving Core Web Vitals to pass status and reducing page load time from 8.0s to 0.7s (90%+ speed boost).
  • Architected End-to-End SEO Strategy and Content Roadmap, driving highly-targeted organic search topics monthly to drastically improve search visibility and domain authority.
  • Google Ads Marketing.
  • Managed and optimized Linux VPS Infrastructure, ensuring high availability, server-level security configurations, and seamless database migrations.

Selected Projects

BestPhone Stock Management
Full-Stack Web Application

Inventory management system for managing products, stock movements, sales data and reporting.

Node.js Express.js EJS MySQL Bootstrap JavaScript
Face Recognition Attendance
Computer Vision

Web-based attendance system using face recognition to identify registered users and record attendance.

Node.js Express.js EJS Face-api.js MySQL JavaScript
Animal Healthcare POS System
Business Management System

Management platform for veterinary operations, including customer, animal, treatment, inventory and point-of-sale functionality.

Node.js Express.js EJS MySQL Bootstrap

Education

Bachelor of Science in Computer Science
Chiang Mai Rajabhat University
GPA: 3.91