Pasit Phonmanee
Full Stack Developer

Design Engineer @ Thai Stanley Electric PCL

2023 - 2024

• Applied engineering design principles and collaborated with cross-functional teams to deliver high-quality automotive components.

Founder & Full Stack Developer @ WEBDEVOHM

01/2025

• Founded WEBDEVOHM and initiated full-stack web development projects for various clients, laying the foundation for future agency expansion.

Teaching Assistant @ Khon Kaen University

06/2025 - 09/2025

• Served as a Teaching Assistant for Web Application Development and Interactive Web Programming courses.

Lead Web Developer @ WDOTECH (Formerly WEBDEVOHM)

Tech Stack: Next.js, Node.js, Docker, Kubernetes, GitHub Actions, GCP, Local VPS

• Platform Development & Infrastructure: Engineered the complete web platform using Next.js and Node.js. Architected a robust deployment pipeline utilizing GitHub Actions and Kubernetes, executing a strategic migration from GCP to a localized Thai VPS to optimize operational costs.
• Dynamic Pricing Engine: Developed an interactive cost calculation module empowering prospective clients to estimate UI/UX and project fees in real-time.
• Client Booking & CRM System: Implemented a streamlined consultation flow and administrative dashboard to monitor schedules, govern access, and trigger automated email notifications.
• Content Management System (CMS): Designed a custom blogging module supporting direct media uploads and database synchronization for inbound marketing.

Creator & Lead Full Stack Developer @ Soomduu Ecosystem (MVP 1)

Tech Stack: React Native, Expo, Node.js, OpenStreetMap API, MySQL

Executive Summary: Founded and engineered a location-based discovery platform aimed at solving user decision fatigue. Built an iOS app, a high-performance web platform, and a B2B merchant portal with a custom ad-monetization architecture.

• Consumer Mobile App: Developed an iOS application featuring location-based filtering and a custom randomization algorithm blending organic search with promoted listings. Implemented a secure auth flow, star-rating review system, and strict platform moderation.
• Web Platform & Smart Routing: Developed a high-performance SEO landing page. Implemented intelligent traffic routing to dynamically redirect mobile users to the App Store while serving dynamic web content for desktop users.
• Merchant Management (Soomduu Evo): Built a dedicated multi-branch operations portal syncing business hours and locations to a central database designed for future i18n scaling.
• Proprietary Ad Engine: Engineered a complex "Focus Time Calendar" advertising backend that manages concurrent ad bookings, calculates dynamic pricing, and controls ad visibility across the feed.

Technical Lead & Solutions Architect @ WDOTECH (Concrete ERP)

Tech Stack: Next.js, Node.js, MySQL, Docker, NGINX, GCP

Executive Summary: Directed the complete product lifecycle of a multi-tenant concrete manufacturing and QA management platform. Successfully pitched the technical solution and engineered the full system architecture alongside a Senior UX/UI Designer.

• Project Management: Acted as the sole Product Owner, gathering highly complex business requirements (concrete mix ratios, QA/QC stages) and translated them into actionable technical specifications.
• Multi-Tenant Architecture: Designed a highly secure database supporting unlimited factory creations with strict data isolation. Provisioned and maintained the GCP production environment using Docker and NGINX.
• Core Module Engineering: Built a dynamic mix formulation engine handling custom cement/water percentages. Developed an end-to-end production dashboard, multi-stage physical test QA/QC pipeline, and a material lifecycle tracking module with Excel exports.
• 7-Tier RBAC: Implemented a robust 7-level user hierarchy (from System Admin to QC Engineer) with decentralized administration, empowering plant admins to manage workforce onboarding and module restrictions securely.

Lead Web Developer @ WDOTECH (eCommerce & Custom CMS)

Tech Stack: Next.js, Node.js, Kubernetes, GCP

• eCommerce Optimization: Designed and developed a fully optimized suite of standard eCommerce pages, dynamic product catalogs, and high-converting landing pages tailored for direct product sales.
• Zero-Code Proprietary CMS: Built a highly intuitive CMS for non-technical administrators. Engineered a highly efficient media replacement logic that strictly overwrites existing image files using their original filenames and directory paths, ensuring seamless frontend updates without requiring any manual HTML modifications.
• Technical SEO Mastery: Engineered the platform for maximum performance, achieving a perfect 100/100 score on industry-standard page optimization tools through strict meta-data management and fast rendering.
• Payment System: Implemented a secure, custom payment slip verification system to streamline checkout and order fulfillment workflows.

Full Stack Developer @ BANGKOK DRIFT CO., LTD.

Tech Stack: Next.js, C# .NET, PostgreSQL, Docker, NGINX, GCP, GitHub Actions

• Infrastructure & CI/CD: Architected application infrastructure on Google Cloud using Docker and NGINX. Implemented automated CI/CD pipelines via GitHub Actions for seamless deployments.
• ERP Integration: Spearheaded manual SKU data migration to an automated model. Developed complex relational logic and implemented robust auto-synchronization (CRUD operations) with Ecount ERP via RESTful APIs, optimizing batch insert limits to handle bulk data efficiently.
• Warehouse Logistics API: Engineered backend integrations using C#.NET for a US-based system, calculating real-time shipping rates based on dimensional weight (L/W/H) and delivery channels.
• Order Management & Frontend: Built end-to-end order processing, automated JSON order creation, and cancellation workflows. Developed a responsive Next.js frontend to seamlessly manage complex transaction data.

Co-Founder & Web Developer @ WDOTECH (Insurance)

Tech Stack: Go (Golang), Node.js, Server-to-Server API, SEO Optimization

Executive Summary: Engineered a scalable, no-code website generation platform designed specifically for the insurance sector, empowering non-technical users to build SEO-optimized landing pages and blogs.

• Dual-Server Architecture: Utilized Node.js for primary application logic and a secondary Go (Golang) server dedicated to dynamically generating, hosting, and isolating individual client domains within specific directory structures.
• Centralized Patch Management: Engineered an automated template management system allowing simultaneous version updates and patch deployments across all generated websites without disrupting user content.
• No-Code CMS & Synchronization: Built a highly optimized CMS. Developed a streamlined data pipeline that captures media uploads, stores asset URLs, and transmits JSON payloads to the Go server for instantaneous site rendering.
• Admin Provisioning: Created a strict administrative control panel enabling admins to pre-configure domain names, provision directories, and initialize SSL security protocols prior to granting end-user access.