Big Data Engineer

T-Maxx International; Barcelona; Presencial; EUR 48.000 - 70.000; Jornada completa

Descripción de la vacante

T-Maxx International in Barcelona, Spain, seeks a data engineer to design, build, and maintain scalable data pipelines and ETL/ELT processes that feed reporting and analytics.

You will optimize SQL, integrate data across sales, CRM, ERP and partners, ensure data quality and governance, and collaborate with cross-functional teams in English and Spanish.

Formación

• Bachelor's degree in Computer Science, Information Systems, Data Engineering, or a related field.
• 3+ years 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 with relational databases and integrating data from multiple sources.
• Familiarity with cloud data platforms or modern data technologies.
• Understanding of data quality, data governance, and GDPR principles.
• Strong analytical and problem-solving skills.
• Experience working in an international, cross-functional environment.
• Native-level Spanish and fluent business English; Catalan and 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; collaborate with business teams, data analysts, and IT colleagues.

Conocimientos

Spanish (native)

English (fluent)

Analytical and problem-solving skills

Cross-functional collaboration

Educación

Bachelor's degree in Computer Science or related field

Herramientas

SQL databases

ETL/ELT tools

Cloud data platforms

Data warehousing solutions

Descripción del empleo

1. 1. Design, build, and maintain scalable data pipelines and ETL/ELT processes.
2. 2. Develop and optimize SQL queries, views, and data transformations.
3. 3. Build and maintain data warehouse structures to support reporting and analytics.
4. 4. Integrate data from multiple business systems, including sales, CRM, ERP, telematics, and external partners.
5. 5. Ensure data quality, accuracy, and reliability through monitoring and validation.
6. 6. 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

Requirement

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