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Senior Data Engineer

Wizeline (client: OPIS, Dow Jones)

Development and modernisation of PricePro, a multi-tenant enterprise pricing platform for the fuel retail sector. The work spans data engineering (PostgreSQL → Snowflake, migrations, optimisation), C#/.NET backend, serverless AWS infrastructure, Snowflake security and operational automation.

Data platforms · Cloud architecture · Backend & integrations · Architecture & performance · Automation & AI

• ↳ Case studyMulti-tenant modernisation from PostgreSQL to Snowflake
• ↳ Case studyPerformance and cost optimisation in Snowflake
• ↳ Case studyConsolidation of legacy event data in Snowflake
• ↳ Case studyMulti-tenant security and isolation in Snowflake
• ↳ Case study.NET microservices, serverless AWS and ML pipelines
• ↳ Case studyAI-assisted platform dependency visualiser

Data Engineer / Software Engineer

Wizeline (client: Inditex)

Backend and data development on a core enterprise system for inventory valuation and cost accounting. Modernisation of legacy applications towards cloud-native architectures, migration of SQL workloads from Oracle and DB2 to Snowflake, and development of Java/Spring services.

Backend & integrations · Data platforms · Architecture & performance

• ↳ Case studyModernisation of an inventory and cost valuation system

Data Engineer and researcher

IKERLAN

Applied research and engineering at a technology centre: end-to-end data science solutions for real industrial and commercial use cases, from ingestion and preprocessing to machine learning models and their integration into cloud (AWS) and on-premise platforms.

Automation & AI · Data platforms · Cloud architecture

• ↳ Case studyPredictive maintenance with industrial anomaly detection
• ↳ Case studyCustomer analytics and churn prediction on AWS
• ↳ Case studyRetail sales forecasting for Eroski

Data Finance Engineer

GFI / Bittek (client: BBVA)

Data engineering on an enterprise Big Data platform for financial data at BBVA: ETL processes, ingestion flows, data modelling and, above all, data quality over large volumes of banking information with distributed processing.

Data platforms

• ↳ Case studyETL and financial data quality on a banking Big Data platform

Assistant Research Scientist

The University of Queensland

Scientific computing in Python: tools for solving mathematical boundary value problems with the Finite Element Method (FEM), in the esys-escript / Finley environment, with Apache Spark at the core of the data processing needed for the boundary condition calculations.

Architecture & performance

• ↳ Case studyScientific computing with finite elements (esys-escript / Finley)

Scientific research assistant

UPV/EHU — Planetary Sciences Group (European Space Agency collaboration)

Scientific and technical support for the Visual Monitoring Camera (VMC) of ESA's Mars Express mission: image processing and analysis, tools for working with the observation data, and study of the Martian atmosphere (cloud morphology, atmospheric dynamics, aerosols and polar caps).

• ↳ Case studyScientific exploitation of the Mars Express VMC camera