Head of Engineering · Senior IT Expert
Building scalable backend platforms for 20+ years · Barcelona 🇪🇸
From developer to engineering leader — always with hands on the keyboard.
Core technologies used in production at scale.
Highlights from 20+ years building and leading engineering teams.
Own the Money Transfer domain & Integrations, leading Managers and Tech Leads. Driving reengineering of the Money Transfer system and agentic/AI-based automation projects for Operations.
Head of Backend for the Digital Hub. Designed cross-cutting reusable modules, observability & telemetry stack, infrastructure components (auth, caching, messaging), DevOps (CI/CD, IaC, containers) and developer tooling.
Mercado Shops, Loyalty, Recommendations, Deals. Led teams of up to 60 people with 6 direct reports. Stack: Java, Kotlin, Go, Angular, Grails/Groovy, Spark, Elasticsearch, MySQL, K/V stores, Nginx.
Full technology strategy ownership. RESTful API with OAuth2, scaled team +400%, reduced incidents from 50→5/month, 0.005% error rate (NewRelic), ~20ms avg response time, 80% automation coverage.
Architect and tech lead for Deloitte, YPF, Coca-Cola and Kimberly Clark. Roadmap, customer communication and internal tech training.
Taught Microservices, Messaging, TDD, Design Patterns & SOLID, Scrum/Agile, C#, Java, and Functional Programming for 10+ years.
Scaling a platform? Building an engineering org? Let's talk.