Senior Data Warehouse & BI Developer

COSMOTE GLOBAL SOLUTIONS NV; Belgique; Sur place; EUR 90 000 - 120 000; Plein temps

Résumé du poste

COSMOTE GLOBAL SOLUTIONS NV is seeking a skilled Data Warehouse and Reporting Developer to design, develop, and maintain data warehouse solutions and deliver insightful reports. You will partner with analysts and business stakeholders to understand data needs and ensure data quality across outputs.

This role requires strong SQL, ETL, and BI tool experience, plus a proactive approach to data modeling and performance tuning in a dynamic environment.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 13+ years of proven experience as a Data Warehouse Developer, Data Engineer, or similar role.
• Strong knowledge of data warehouse concepts, architecture, and best practices.
• Hands-on experience with SQL and database technologies (PostgreSQL, MS SQL Server).
• Proficiency in ETL tools and development.
• Experience with BI and reporting tools (Power BI, Tableau).
• Strong analytical and problem-solving skills.
• Ability to communicate effectively with stakeholders and team members.
• Attention to detail and data quality.

Responsabilités

• Design, develop, and maintain scalable data warehouse solutions.
• Develop and optimize ETL processes for data integration and transformation.
• Create reports and dashboards for multiple business units using BI tools.
• Collaborate with analysts and stakeholders to gather data requirements.
• Ensure data quality, consistency, and accuracy across reports.
• Monitor performance and troubleshoot data warehouse and reporting issues.
• Document data warehouse designs, ETL processes, and reporting procedures.
• Stay updated with trends in data warehousing and BI technologies.

Connaissances

SQL

ETL tools

BI tools

Data warehousing concepts

Analytical thinking

Communication

English proficiency

Formation

Bachelor’s degree in Computer Science / IT

Outils

PostgreSQL

Microsoft SQL Server

Power BI

Tableau

Description du poste

COSMOTE GLOBAL SOLUTIONS NV is seeking a skilled Data Warehouse and Reporting Developer to design, develop, and maintain data warehouse solutions and deliver insightful reports. You will partner with analysts and business stakeholders to understand data needs and ensure data quality across outputs.

This role requires strong SQL, ETL, and BI tool experience, plus a proactive approach to data modeling and performance tuning in a dynamic environment.