Work Location:
Hybrid. Madrid city center (Sol area). 3 days a week in the office + 2 days remote.
Who we look for?
A Senior Data Engineer has a strong expertise in Python and modern data engineering tools to help build and evolve our enterprise data ecosystem.
Main tasks and accountabilities will be:
* Design, build, and optimize scalable Python-based ETL/ELT pipelines using tools such as pandas, Polars, or similar frameworks
* Build and orchestrate data pipelines using Dagster, Airflow or similar tools
* Develop efficient data ingestion pipelines for batch, incremental and streaming scenarios
* Integrate with internal and external APIs, ensuring robust authentication, error handling and data quality
* Work with Docker, Kubernetes, and GitLab to deploy, operate, and monitor data pipelines in production
* Develop and maintain CI/CD pipelines for data workflows, library packaging, and infrastructure components
What UST expects from you?
* Expert-level Python skills (pandas/Polars, typing, packaging, testing, performance optimization)
* Solid experience with data orchestration frameworks (Dagster preferred; Airflow or similar tool is a strong plus)
* Strong understanding of data modelling, ETL patterns, and performance
* considerations
* Proficiency with Docker, Kubernetes, and GitLab CI/CD
* Hands-on experience with SQL and relational databases (MS SQL preferred, PostgreSQL/Oracle is a plus)
* Practical experience with Azure data and compute services (Databricks, ADLS, ADF) and foundational knowledge of Azure networking, AAD, and security concepts; comparable experience with AWS or GCP is equally valued
* 5+ years of experience in data engineering or backend engineering with a strong data focus
* English: fluent (written and spoken); Spanish: nice-to-have
¿What can we offer?
-23 days of Annual Leave plus the 24th and 31st of December as discretionary days!
-Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances).
-`Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Heath Care Plan…)
-Free access to several training platforms
-Professional stability and career plans
-UST also, compensates referrals from which you could benefit when you refer professionals.
-The option to pick between 12 or 14 payments along the year.
-Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)
-UST Club Platform discounts and gym Access discounts
If you would like to know more, do not hesitate to apply and we’ll get in touch to fill you in details. UST is waiting for you!