About Joan
AI Engineer & Full-Stack Developer specializing in production-grade multi-agent systems and clean architecture. Delivered 5+ AI platforms with Pydantic AI, FastAPI, and React 19, achieving 80%+ test coverage and enterprise observability (OpenTelemetry, Logfire). Expert in performance optimization, intelligent data pipelines (99.8% reliability), and building scalable systems that reduce weeks-long processes to <60 seconds through
specialized AI agents.
Spanish
Native or bilingual
English
Fluent
Catalan
Native or bilingual
Can work on-site
Valencia (up to 50km)
Experience
- AI Engineer ConsultantAI EngineerDIGITAL AND ITJanuary 2024 - Today (2 years and 6 months)Valencia, Spain
- Architected and deployed 5+ production multi-agent AI systems with specialized agents for storytelling, data enrichment, knowledge extraction, and product validation
- Engineered clean architecture backends with hexagonal design patterns, achieving 80%+ test coverage across all projects
- Integrated enterprise observability stack (OpenTelemetry, Logfire, Opik) for production monitoring and AI agent tracing
- Marina de Empresas & CofaresData ScientistOctober 2024 - November 2024 (1 month)Valencia, Spain• End-to-End GCP Development: Built a full-stack AI application using only native Google Cloud tools, including BigQuery, Vertex AI, BigQuery ML, and a custom Evaluation Service without relying on intermediary frameworks.
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Education
- Data Science and Machine Learning4Geeks Academy2023Data Science and Machine Learning
- Telecomunications EngineeringUniversitat de Valencia