# Guillermo Martínez del Barrio — Developer Portfolio

## Client
- **Name:** Guillermo Martínez del Barrio
- **Email:** guillemdb1994@gmail.com
- **Phone:** +34 644 885 874
- **WhatsApp:** +34644885874
- **Location:** Madrid, España
- **Nationality:** Spanish
- **Age:** 30 (born 1994)

## Purpose
Professional developer portfolio website to support his job search as a junior software developer in Spain. Must present him as a capable, serious developer — NOT a career changer or waiter. The portfolio is the centerpiece of his application strategy.

## Profile — Key Framing Decisions
Guillermo is transitioning into software development after 15 years in hospitality (waiter). He graduated DAM (Formación Profesional de Grado Superior) at age 30. The portfolio must:

- **NEVER mention hospitality, waiter, camarero, or any non-tech work experience**
- **Minimize chronological information** — use a skills-based approach, not a timeline
- **Don't show birth year or age** — let the work speak for itself
- **Frame the industrial engineering background as a strength** (math, analytical thinking), not as a dropout
- **Position him as a developer with engineering foundations**, not as someone starting late
- **Highlight the AI Chat project prominently** — it's his strongest and only real project

## Technical Profile
- **Languages:** Python, Java
- **Specialization:** Desktop apps, AI integration, GUI development
- **Frameworks:** PySide6 / Qt
- **APIs:** OpenAI API, JSON data handling
- **Concepts:** OOP, modular design, multithreading, Big O complexity analysis
- **Education:** DAM (Desarrollo de Aplicaciones Multiplataforma) — 2025-2026
- **Prior studies:** Industrial Engineering at Universidad de León (not completed, but strong math/physics foundation)

## Featured Project — AI Chat Interface
Desktop application for centralizing internal info and automating queries in a small business (PYME).
- **Stack:** Python, PySide6 (Qt), OpenAI API
- PySide6 desktop GUI
- Real-time OpenAI API streaming responses
- Internal documentation indexing and querying
- Local conversation history persistence
- Modular OOP architecture with separation of concerns
- Multithreading to keep UI responsive during API calls
- Configurable assistant settings (model, temperature, context)
- Error handling and input validation

## Languages
- Spanish: Native
- English: C2 comprehension, C1 production (strong selling point for Spanish job market)
- German: A1 (lived in Germany)

## Soft Skills to Highlight
- Self-taught learner, autodidact
- International experience (Spain + Germany)
- Problem-solving and analytical thinking
- Works well under pressure, organized, detail-oriented
- Direct and efficient communication style

## Design Direction
- Clean, modern, minimalist — let the tech skills do the talking
- Dark theme or neutral tones — professional developer aesthetic
- Good typography, no clutter
- Mobile responsive
- Sections: Hero, About, Skills, Project showcase, Education, Contact
- **Photo:** `guillermo.jpg` in project root — professional headshot, use in hero/about section
- Language: Spanish (targeting Spanish job market)

## Stack
SvelteKit + Tailwind CSS v4 (standard Digitalmar stack), static adapter, Cloudflare Pages deployment.