Hi, I'm Pablo 👋

📍 Valladolid, Spain  |  💼 Senior Software Engineer @ Telefónica Innovación Digital

10+ years in iOS/Swift, now deep into AI engineering — building mobile test infrastructure at scale by day, shipping agents and breaking 3D prints by night. Focused on making LLMs actually useful in production.

🔗 linkedin.com/in/pablo-espinel-caballero

Current Work

• 📱 Mobile CI/CD pipelines — High-scale iOS & web test infrastructure used across multiple teams
• 🤖 AI Agents — Agentic workflows with real production value; not just demos
• 🔌 Model Context Protocol (MCP) — Integration & server development for AI tooling
• 🌊 Windmill/n8n — Modern workflow orchestration replacing legacy automation
• ⚡ AI-powered dev tooling — Internal tools that make developer workflows smarter

Stack

AI & LLMs · Claude · OpenAI · LangChain · RAG · MCP · Vector DBs · Prompt engineering

Mobile & Testing · Swift · iOS · SwiftUI · XCUITest · Appium

Infrastructure · Docker · GitHub Actions · Jenkins · Ansible · Windmill · Nginx · n8n

Languages · Swift · TypeScript · Python · Bash · Rust

Backend & Data · Django · Redis · Elasticsearch · InfluxDB

Observability · Grafana · Prometheus

GitHub Stats

Includes private repositories