Ismael Estalayo

Designed and maintained end-to-end orchestrated ETL pipelines and batch chains for regulatory reporting modules. Spearheaded a data explainability and lineage initiative to improve reliability and auditability.

Worked within a small team with a strict zero-event-loss approach, streaming live user events through Kafka. Single-handedly migrated a 100TB data lake from on-premise to AWS, achieving significant cost reduction.

Performed data ingestion, quality validation and modeling tasks for banking data flows. Developed a complex CLI tool to automate redundant tasks and reduce complexity of interacting with the internal DataX orchestrator.

Designed and built an enterprise-grade traffic capture, processing, analysis and visualization pipeline using Sflow/Netflow and the ELK stack. Evolved the pipeline into a full SIEM solution, strengthening network security monitoring.

Grade: 8.46

Activities and societies: Erasmus programme in Vilnius, Lithuania; final thesis on SIEM solution for industrial environments.

MSc in Telecommunication Engineering, specializing in Telematics, with a final grade of 8.46. Included an Erasmus semester in Vilnius, Lithuania, and a thesis on a SIEM solution for industrial environments.

Grade: 6.97

Activities and societies: Taught programming and 3D printing courses to kids; thesis on cryptocurrency investment optimization using ML.

BSc in Telecommunication Engineering, specializing in Telematics, with a final grade of 6.97. Taught programming and 3D printing courses to kids, and wrote a thesis on cryptocurrency investment optimization using ML.