📍 Valladolid, Spain | 💼 Senior Software Engineer @ Telefónica Innovación Digital
10+ years in mobile, 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
- 📱 Mobile development — High-scale iOS & web test infrastructure used across multiple teams
- 🤖 Applied AI — Agent-based tools integrated into real engineering workflows
- 🔌 Model Context Protocol (MCP) — Integration & server development for AI tooling
- ⚙️ CI/CD and developer tooling — Automation with GitHub Actions, Jenkins and internal tooling
- ⚡ AI-powered dev tooling — Internal tools that make developer workflows smarter
My projects
- 🔐 SkillSeal — Lint, score and routing-test Agent Skills before your agents do · Python
- 🎮 RAWGKit — Swift-native SDK for the RAWG Video Games Database API
- 🚌 AuvasaKit / BusVal — Swift SDK and unofficial iOS app for Valladolid's public transit data
- 🔔 ntfy.app — Unofficial ntfy.sh iOS client
Contributing to
- 🤖 appium-mcp — MCP server for Appium mobile automation
- 📊 test-reporter — Test results from popular frameworks, rendered in GitHub
- 🐝 Shellbee — Native SwiftUI app for Zigbee2MQTT
- 💶 Finanze — Self-hosted, privacy-first net worth tracker
- 🏠 homebridge-nest — Nest plugin for Homebridge
- 🚪 fermax-blue-hass — Home Assistant integration for Fermax Blue intercoms
- 🖥️ ProxMenux — Interactive management menu for Proxmox VE
Languages · Swift · TypeScript · Python · Bash · Rust
Mobile & Testing · iOS · SwiftUI · XCUITest · Appium · Gherkin / BDD
Infrastructure & Automation · Docker · GitHub Actions · Jenkins · Ansible · Windmill · Nginx
AI & LLMs · Claude · OpenAI · LangChain · RAG · MCP
Backend & Data · Django · Redis · Elasticsearch · InfluxDB
Observability · Grafana · Prometheus
AI & MCP
- Model Context Protocol: Advanced Topics — Anthropic (2026)
- Introduction to Model Context Protocol — Anthropic (2026)
- AI Fluency: Framework & Foundations — Anthropic (2026)
- Iniciación al desarrollo con IA — BIG school (2026)
Networking
- CCNA Routing & Switching — Cisco Networking Academy (2016, 2017)
🇪🇸 Spanish (native) | 🇬🇧 English (professional working proficiency)
Includes private contributions
