Big Data Engineer

T-Maxx International; Barcelona; Presencial; EUR 55.000 - 75.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health insurance

Professional development

Descripción de la vacante

T-Maxx International is seeking a skilled Data Engineer to design, build, and maintain scalable data pipelines and ETL/ELT processes in Barcelona. You will optimize SQL queries, develop data warehouse structures, and integrate data from multiple systems including CRM, ERP, and external partners.

You will ensure data quality, governance, and GDPR compliance while collaborating with cross-functional teams across the organization in a multilingual, international environment.

Formación

• Bachelor's degree in Computer Science, Information Systems, Data Engineering, or related field.
• 3+ years of experience in Data Engineering, SQL development, or Data Warehouse projects.
• Strong SQL skills with experience writing and optimizing complex queries.
• Hands-on ETL/ELT development and data warehouse solutions.
• Experience integrating data from multiple sources using relational databases.
• Familiarity with cloud data platforms or modern data technologies is a plus.
• Understanding of data quality, data governance, and GDPR principles.
• Strong analytical and problem-solving abilities.
• Comfortable working in an international, cross-functional environment.
• Native-level Spanish and fluent business English; Catalan/Chinese a plus.

Responsabilidades

• Design, build, and maintain scalable data pipelines and ETL/ELT processes.
• Develop and optimize SQL queries, views, and data transformations.
• Build and maintain data warehouse structures to support reporting and analytics.
• Integrate data from multiple business systems, including sales, CRM, ERP, telematics, and external partners.
• Ensure data quality, accuracy, and reliability through monitoring and validation.
• Support data governance and GDPR compliance in data processing.
• Troubleshoot data issues and continuously improve pipeline performance. Work closely with business teams, data analysts, and IT colleagues to deliver reliable data solutions

Conocimientos

SQL development

ETL/ELT development

Data warehouse

Data quality

GDPR compliance

Analytical skills

Problem solving

Cross-functional

Spanish native

English fluent

Educación

Bachelor's degree in Computer Science

Descripción del empleo

1. Design, build, and maintain scalable data pipelines and ETL/ELT processes.
2. Develop and optimize SQL queries, views, and data transformations.
3. Build and maintain data warehouse structures to support reporting and analytics.
4. Integrate data from multiple business systems, including sales, CRM, ERP, telematics, and external partners.
5. Ensure data quality, accuracy, and reliability through monitoring and validation.
6. Support data governance and GDPR compliance in data processing.
7. Troubleshoot data issues and continuously improve pipeline performance. Work closely with business teams, data analysts, and IT colleagues to deliver reliable data solutions

Requirement

• 1. Bachelor's degree in Computer Science, Information Systems, Data Engineering, or a related field.
• 2. 3+ years of experience in Data Engineering, SQL development, or Data Warehouse projects.
• 3. Strong SQL skills with experience writing and optimizing complex queries.
• 4. Hands-on experience with ETL/ELT development and data warehouse solutions.
• 5. Experience working with relational databases and integrating data from multiple sources.
• 6. Familiarity with cloud data platforms or modern data technologies is a plus.
• 7. Understanding of data quality, data governance, and GDPR principles.
• 8. Strong analytical and problem-solving skills.
• 9. Comfortable working in an international, cross-functional environment.
• 10. Native-level Spanish and fluent business English. Catalan and Chinese are a plus.