# Comprehensive Profile: Nunthawoot Saenchaiyaphum (นันทวุฒิ แซ้นชัยภูมิ)

## Biography
Nunthawoot Saenchaiyaphum is a bilingual (Thai/English) Product Designer and Full-stack Developer based in Bangkok, Thailand. He holds a degree from Suranaree University of Technology (มหาวิทยาลัยเทคโนโลยีสุรนารี) and currently serves as a Senior Developer at Summit Auto Body Industry Co., Ltd. (SAB).

Nunthawoot combines human-centered UI/UX design with robust enterprise full-stack development, specializing in designing and deploying high-impact applications in manufacturing, retail, and digital consumer platforms.

## Contact & Links
- **Official Website:** https://nunthawoot.com
- **Email:** nunthawoot.dev@gmail.com
- **LinkedIn:** https://www.linkedin.com/in/nunthawoot-saenchaiyaphum-4bb704147/
- **GitHub:** https://github.com/nunthawoot
- **Facebook:** https://www.facebook.com/TOYOxzz
- **Instagram:** https://www.instagram.com/toyo.co/

## Work Experience & Career Timeline

### 1. Senior Developer — Summit Auto Body Industry Co., Ltd. (SAB)
- **Period:** July 2025 – Present
- **Location:** Samut Prakan, Thailand
- **Key Responsibilities & Systems:**
  - Lead end-to-end full-stack development of enterprise web systems for automotive manufacturing.
  - **Warehouse Location Management System:** Engineered physical pallet mapping and automated stock deduction with live SAP ECC6 integration.
  - **Machine PM & Maintenance Tracking System:** Architected maintenance tracking to dispatch breakdown tickets and monitor shop-floor equipment health.
  - **Automated Automotive Part Costing & Pricing Engine:** Aggregated multi-departmental data into commercial quotes, eliminating manual calculation errors and cutting quote turnaround time.
  - **Construction Project Milestone & Budget Tracking:** Monitored multi-phase capital expenditure across facility expansions.
- **Technologies:** React.js, Python, NestJS, SAP ECC6, Oracle, ASP.NET, PostgreSQL, Tailwind CSS.

### 2. Developer II — Jaspal Public Company Limited
- **Period:** February 2025 – July 2025
- **Location:** Bangkok, Thailand
- **Key Responsibilities & Systems:**
  - Designed and developed user-centered enterprise retail applications with interactive wireframes and components.
  - **Multi-Country Sales Performance Dashboard:** Delivered real-time executive dashboard integrated with AP21 ERP for visibility into international sales KPIs across retail fashion branches.
- **Technologies:** Angular, TypeScript, AP21 ERP, Design Systems, NestJS, Tailwind CSS, Bootstrap.

### 3. Programmer — NK Mechatronics Co., Ltd.
- **Period:** December 2024 – February 2025
- **Location:** Nakhon Ratchasima, Thailand
- **Key Responsibilities:**
  - Developed automation monitoring tools, internal tooling, and industrial telemetry dashboards.

## Design Philosophy & Methodology
- **Empathy-First, Code-Driven:** Software interfaces must solve genuine user problems before pixel-polishing begins.
- **Kaizen Mindset:** Relentless daily improvement through iterative design, user testing, and measurable outcomes.
- **Design Systems:** Scalable component architectures bridging Figma design tokens with TypeScript/React components.
- **Research & Usability Testing:** Usability validation with target users before writing production code.

## Technology Stack Summary
- **Languages:** TypeScript, JavaScript, Python, C#, SQL, HTML5, CSS3.
- **Frontend Frameworks:** React.js, Next.js (SSR/SSG/ISR), Angular, Tailwind CSS, Framer Motion.
- **Backend Frameworks:** NestJS, Node.js, Express, ASP.NET Core, FastAPI.
- **Databases:** PostgreSQL, Oracle Database, MySQL, SQLite, Redis.
- **Enterprise Integrations:** SAP ECC6, AP21 ERP.
- **Design Tools:** Figma, Adobe XD, FigJam, Prototyping tools.