Summary
Juan Martínez is a Teach Lead Data Engineer with 10 years of experience building backend and Big Data systems, currently leading data engineering efforts at Constella Intelligence. A Computer Engineering graduate from the University of Granada, he specializes in Java-based data processing and pipeline architectures across on-premise and cloud platforms (AWS, Azure), with hands-on expertise in Spark, Scala, Kafka, Flink/Beam, Snowflake and Kubernetes. He has driven near-real-time and batch solutions for high-profile clients (Repsol, Banco Santander, Movistar) and has led teams to evolve data lakes, ETL orchestration and observability stacks. Comfortable in agile environments, he combines deep implementation skills with technical leadership and a continuous-learning mindset, often translating academic foundations into pragmatic, production-grade systems. An understated strength is his cross-domain fluency—moving between microservices, distributed data processing and platform tooling—making him effective at bridging teams and operational needs.
9 years of coding experience
8 years of employment as a software developer
Técnico medio en Sistemas Microinformáticos y Redes Computer/Information Technology Administration and Management, Técnico medio en Sistemas Microinformáticos y Redes Computer/Information Technology Administration and Management at I.E.S. Padre Poveda
Grado en Ingeniería Informática Informática, Grado en Ingeniería Informática Informática at Universidad de Granada
Spanish, English