Senior Data Engineer

Infinity Quest Limited; Madrid; Hybrid; EUR 75,000 - 100,000; Full time

Job summary

Infinity Quest Limited is seeking an experienced Senior Data Engineer to support local systems and global data products in Madrid. This horizontal role spans multiple data domains and teams, with hands-on data engineering as the core focus.

You will design and maintain scalable data pipelines, contribute to data modelling and architecture, and collaborate with Madrid-based stakeholders and distributed teams worldwide.

Qualifications

• Experience with Snowflake, AWS, Matillion, and SQL.
• Good knowledge of ETL/ELT, data warehousing, and data integration.
• Experience in data modelling and data analysis.
• Understanding of data architecture, data quality, and governance principles.
• Fluent Spanish and professional English.

Responsibilities

• Design, build, and maintain scalable data pipelines using Snowflake, AWS, and Matillion.
• Integrate data from local systems into enterprise platforms and global data products.
• Develop and optimise SQL-based data transformations.
• Analyse source data, business rules, data quality, and system dependencies.
• Design reusable data models for reporting, analytics, and data products.
• Contribute to data architecture and solution-design discussions.
• Work horizontally across different teams, platforms, and data domains.
• Identify dependencies, risks, and opportunities for standardisation or reuse.
• Document data flows, integration patterns, and technical solutions.
• Collaborate effectively with local Spanish-speaking stakeholders and global teams.

Skills

ETL/ELT

Data warehousing

Data integration

Data modelling

Data analysis

Data architecture

Data governance

Spanish

Tools

Snowflake

AWS

Matillion

SQL

Job description

Mandatory Skills:

Snowflake, AWS, and Matillion, ETL/ELT, data warehousing, and data integration

Location:

Madrid, Spain

Working Model:

Hybrid (2-3 days/week)

Language:

C1/C2 Spanish is mandatory; professional English required

Role Overview

We are looking for an experienced Senior Data Engineer to support local systems and global data products. This is a horizontal role working across multiple data domains, systems, and teams, with hands-on data engineering as the primary focus.

The role involves building and maintaining data pipelines while also contributing to data modelling, data analysis, solution design, and data architecture. The candidate will work closely with Madrid-based stakeholders and distributed global teams.

Key Responsibilities

• Design, build, and maintain scalable data pipelines using Snowflake, AWS, and Matillion.
• Integrate data from local systems into enterprise platforms and global data products.
• Develop and optimise SQL-based data transformations.
• Analyse source data, business rules, data quality, and system dependencies.
• Design reusable data models for reporting, analytics, and data products.
• Contribute to data architecture and solution-design discussions.
• Work horizontally across different teams, platforms, and data domains.
• Identify dependencies, risks, and opportunities for standardisation or reuse.
• Document data flows, integration patterns, and technical solutions.
• Collaborate effectively with local Spanish-speaking stakeholders and global teams.

Required Skills

• Experience with Snowflake, AWS, Matillion, and SQL.
• Good knowledge of ETL/ELT, data warehousing, and data integration.
• Experience in data modelling and data analysis.
• Understanding of data architecture, data quality, and governance principles.
• Fluent Spanish and professional English.