Alberto Caballero is a Senior Backend Developer with over a decade of experience building high-throughput APIs and services, particularly in AdTech and SaaS. He specializes in PHP/Symfony, Node.js, DDD and Hexagonal Architecture, and pairs backend expertise with hands-on React/Next.js frontend work. At Tappx he optimized an SSP handling ~5,000M daily requests and led algorithm changes that increased daily revenue fourfold, and at Nido he built a JSON-driven dynamic forms system that cut form development time from a day to an hour. Comfortable with Kafka, Redis, Docker and CI/CD, he also crafts tooling for safer local testing and deployment of critical systems. A natural mentor and team player, he balances shipping measurable business impact with improving developer workflows and onboarding. Based in Tarragona, Spain, he looks for projects where scalability and real-world optimization matter.
10 years of coding experience
13 years of employment as a software developer
Ciclo superior en Desarrollo de Aplicaciones Informáticas Desarrollo de aplicaciones web, Ciclo superior en Desarrollo de Aplicaciones Informáticas Desarrollo de aplicaciones web at I.E.S Juan Bosco
Proyecto de la serie de tutoriales de FastAPI en el que aprenderemos a crear una API desde 0 y paso a paso
Contributions:24 commits, 20 PRs, 16 pushes in 22 days
apiunapythontutorialesproyecto
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Alberto Caballero - Senior Backend Developer at Clidrive