Data Engineer (Madrid)

AXON Networks; Madrid; Híbrido; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Free parking/Pluxee transport pass

Pluxee restaurant pass

Private medical insurance (family)

Descripción de la vacante

AXON Networks seeks a Data Engineer in Madrid to design and operate data pipelines using Databricks, PySpark, and SQL. You will build scalable ingestions, manage lakehouse datasets, and ensure data quality for downstream applications in a hybrid Madrid setup.

You will collaborate with Development, QA, DevOps, Product Management and Delivery teams, delivering reliable, testable data solutions and improving Spark job performance across the data platform.

Formación

• B.Sc./M.S. Computer Science or related field.
• 2+ years of professional Data Engineering experience.
• Hands-on Python, PySpark and SQL experience.
• Strong data modeling and lakehouse understanding.
• Familiarity with automated testing and Git-based workflows.
• Fluency in English and Spanish.
• Ability to work in hybrid in Madrid.

Responsabilidades

• Develop and maintain scalable data ingestion and transformation pipelines using Databricks, PySpark and SQL.
• Build and maintain Databricks Jobs and Workflows for data ingestion and processing.
• Extend datasets across lakehouse layers with schema changes and data contracts.
• Ensure data quality and freshness for downstream consumers within processing windows.
• Develop and maintain automated tests for data pipelines (unit/integration/regression).
• Troubleshoot data pipeline issues in QA and production; identify root causes and fixes.
• Improve performance and efficiency of Spark jobs and data transformations.

Conocimientos

Python

PySpark

SQL

Data Modeling

Automated Testing

Git Workflows

English/Spanish

Educación

B.Sc./M.S. Computer Science

Herramientas

Databricks

Spark

Delta Lake

Medallion Architecture

Descripción del empleo

AXON Networks delivers a robust AI-driven, analytics-based orchestration platform and a wide portfolio of next-gen high-speed routers that leverage the newest Wi‑Fi technologies. Together, these technologies give ISPs the ability to manage and troubleshoot their networks in real time, and to deliver an outstanding customer experience.

AXON Networks is a trusted strategic partner for its customers, helping them evaluate their current technologies and business models, and creating and executing strategies that enable them to innovate faster, accelerate their digital transformations, and strengthen their relationships with consumers.

AXON Networks is headquartered in Irvine, CA USA with Asia HQ in Singapore and also operating in Denmark, Spain and Vietnam.

We are looking for a Data Engineer to join our data engineering team in Madrid. You will work hands‑on with Databricks, Spark and large‑scale telecommunications data, building the pipelines and datasets that make reliable data available to downstream applications and processing components. You will work closely with Development, Quality Assurance, DevOps, Product Management and Delivery teams throughout the software lifecycle.

To succeed in this role, you should enjoy hands‑on engineering, be comfortable investigating data and pipeline issues and care about building solutions that are reliable, testable and easy to maintain.

You will join an international technical team working on production data platforms used in the telecommunications industry. The role offers hands‑on experience with Databricks and Spark and the opportunity to contribute to the continued evolution of the platform.

Responsibilities

• Develop and maintain scalable data ingestion and transformation pipelines using Databricks, PySpark and SQL.
• Build and maintain Databricks Jobs and Workflows for data ingestion and processing.
• Build and evolve datasets across the lakehouse layers, managing schema changes and data contracts while keeping data traceable to upstream sources.
• Ensure data quality and freshness, making datasets reliably available to downstream consumers within the required processing windows.
• Develop and maintain automated tests for data pipelines, including unit, integration and regression testing.
• Troubleshoot data pipeline issues in QA and production, identify root causes and implement fixes.
• Improve the performance and efficiency of Spark jobs and data transformations.

Requirements

• B.Sc./M.S. Computer Science or related field.
• 2+ years of professional experience in Data Engineering or a similar role.
• Hands‑on experience with Python, PySpark and SQL.
• Good understanding of data modeling and lakehouse concepts.
• Familiarity with automated testing and Git‑based development workflows.
• Strong analytical and problem‑solving skills, with the ability to troubleshoot dataprocessing issues.
• Fluency in both English and Spanish
• Ability to work in hybrid in Madrid.

Nice To Have

• Experience building ETL/ELT data pipelines with Apache Spark and Databricks.
• Experience with Delta Lake, Medallion Architecture, schema evolution or data contracts
• Experience with Databricks Jobs / Workflows and workload optimization.
• Experience working with large‑volume or telecommunications datasets.

Benefits

• A competitive salary and incentive plan.
• Flexible schedule, including telecommuting.
• Free parking or transportation card (Pluxee transport pass).
• Meal card (Pluxee restaurant pass)
• Private medical insurance (for the whole family).
• The opportunity of working in an international environment.
• PTO for birthday

At AXON Networks, we promote equal opportunities in all our recruitment processes, ensuring non‑discrimination on the basis of gender, age, origin, disability, or any other personal circumstances. We assess talent based on objective criteria and foster an inclusive and diverse working environment.

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