Data warehouse and reporting developer

COSMOTE GLOBAL SOLUTIONS NV

Brussels, Brussels, Belgium contract

Posted: May 8, 2026

Job Description

COSMOTE GLOBAL SOLUTIONS NV is seeking a skilled Data Warehouse and Reporting Developer to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining data warehouse solutions and generating insightful reports to support business decision-making.

Key Responsibilities:

• Design, develop, and maintain scalable data warehouse solutions.
• Develop and optimize ETL processes to ensure efficient data integration and transformation.
• Create comprehensive reports and dashboards for various business units using BI tools.
• Collaborate with business analysts and stakeholders to gather and analyze data requirements.
• Ensure data quality, consistency, and accuracy across all reporting outputs.
• Monitor performance and troubleshoot issues related to data warehouses and reporting systems.
• Document data warehouse designs, ETL processes, and reporting procedures.
• Stay up to date with emerging trends and technologies in data warehousing and business intelligence.

Requirements:
• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 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 (e.g., PostgreSQL, Microsoft SQL Server).
• Proficiency in ETL tools and development.
• Experience with BI and reporting tools (e.g., Power BI, Tableau).
• Strong analytical and problem-solving skills.
• Ability to communicate effectively with stakeholders and team members.
• Attention to detail and commitment to data quality and accuracy.
• Good command of English, both written and spoken.

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