Barcelona, Spain

Product engineer · AI-native

Pol
Cabezas.

Available now · Looking for an early-stage team

About.

Product engineer with a Mechanical Engineering degree and a strong eye for UX. As cofounder of Skillia I led product, design and a large React/TypeScript frontend, built with AI coding agents and kept maintainable through architecture docs, conventions and tests. I turn client problems into polished products. Looking to join an ambitious early-stage team for the long run, ship fast and keep growing as an engineer.

Education.

Bachelor's in Mechanical Engineering

Universitat Politècnica de Catalunya (UPC) · EEBE

Thesis, 10/10 with honors: implementing AI agents for business process optimization. Distinctions in Physics, Machine Dynamics and Python Programming.

2021 — 2025

0.00

/10

GPA

2nd of 120

Technological high school

Escola Cervetó

Graduated with honors and a distinction from the Generalitat de Catalunya. University entrance exam: 13.302 / 14.

2019 — 2021

0.00

/10

GPA

Spanish NativeCatalan NativeEnglish C1German A2

Work.

Skillia · Cofounder, product & frontend

Jan 2025 — present

AI management platform for companies

  • Owned product, UX/UI and the React/TypeScript frontend.
  • Platform: a company knowledge “brain”, prompt library, AI tool and license management, and AI use cases.
  • Kept an agent-written codebase maintainable with architecture docs, conventions, tests and visual regression; built a shared TanStack Query data layer with optimistic updates and live progress over SSE.
  • Delivered a €10,000 AI-skills assessment platform for PIMEC and a paid pilot with an accounting firm.
  • Client-facing: discovery meetings, demos, proposals and pilot delivery; built the website, blog and sales CRM.
Product & UXFrontend architectureAgentic codingB2B clients

Aura Systems · Cofounder

Sep 2024 — present

AI automation projects for small businesses

  • Invoice pipeline: email → Holded + Airtable, saving ~3 h of admin a week.
  • Agentic email assistant that drafts replies from the company brain.
  • Website and WhatsApp AI assistant for a law firm's leads.

Previously, cofounder

isGrowth · Influencer marketing agencyFeb — Sep 2024
Nightmares Racing Clothing · Clothing brand on Shopify2022 — 2023

Projects.

  1. 01

    Flourish

    Native macOS menu-bar app that rewrites prompts with an LLM in any app. Designed and built end to end, with its own website.

    Swift
    Swift
    Cloudflare Workers
    Cloudflare Workers
    Next.js
    Web
  2. 02

    Personal apps & agent skills

    hundred.marathon.

    Vision: a SwiftUI personal OS with habit tracking and an AI mentor. Also hundred. (100-day challenge PWA), marathon. (AI running coach) and 40+ agent skills.

    SwiftUI
    SwiftUI
    Supabase
    Supabase
    pgvector
    AI SDK
    AI SDK
    Next.js
  3. 03

    Self-hosted agent ops

    Hermes and OpenClaw on my Ubuntu server: second brains, email, CRM and invoicing.

    Hermes
    Hermes
    OpenClaw
    OpenClaw
    Ubuntu
    Ubuntu
    MCPcron
  4. 04

    ALPR gate

    github

    Offline, real-time license plate recognition for access control, with fuzzy matching.

    Python
    Python
    OpenCV
    OpenCV
    ONNX Runtime
    ONNX Runtime
    PySide6
    PySide6
  5. 05

    Nocturne

    Autonomous LLM trading agent for Hyperliquid perpetuals: paper trading and a live dashboard.

    Python
    Python
    LLM agentsNext.js
  6. 06

    Machine learning foundations

    github

    ResNet50V2 fine-tuning and Stable Diffusion DreamBooth + LoRA on Apple M4; data analysis with Python and KNIME; a chess game with AI.

    Python
    Python
    TensorFlow
    TensorFlow
    Stable Diffusion
    Stable Diffusion
    KNIME
    KNIME

Stack.

Claude Code
Claude Code
CodexCursor
OpenCode
OpenCode
MCP
OpenRouter
OpenRouter
TypeScript
TypeScript
React
React
TanStack Query
TanStack Query
Next.js
Tailwind
Tailwind
Radix
Python
Python
FastAPI
FastAPI
Supabase
Supabase
Postgres
Postgres
VercelFly.io
GCP
GCP
Railway
Cloudflare
Cloudflare
Playwright
Playwright
Vitest
Vitest
SolidWorks (certified)
SolidWorks (certified)
Ansys
Ansys
Matlab
Matlab
KNIME
KNIME

Let's build.

Ship fast, sweat the details. If you're an early team that needs someone to turn problems into polished product, write me.