Data Warehouse and Reporting Developer

Telekom Hbs; Brussel Hoofdstad; Hybride; EUR 90 000 - 120 000; Plein temps

Résumé du poste

COSMOTE GLOBAL SOLUTIONS NV is seeking a Data Warehouse and Reporting Developer to design, develop, and maintain data warehouse solutions and generate insightful reports for business decision-making. You will collaborate with analysts and stakeholders to gather requirements, ensure data quality, and optimize ETL processes.

The role emphasizes hands-on SQL, BI tools (Power BI, Tableau), and strong communication in English to support multiple business units.

Qualifications

• Bachelor's degree in CS/IT or related field.
• 13+ years of DW/ETL/reporting experience.
• Strong data warehouse knowledge and best practices.
• Proficient in SQL and DB tech (PostgreSQL, MS SQL).
• Experience with BI/reporting tools (Power BI, Tableau).
• Excellent communication and data-quality focus.

Responsabilités

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

Connaissances

DW/ETL experience

SQL & DB technologies

BI & reporting tools

Data warehouse concepts

Analytical thinking

Stakeholder communication

Data quality focus

Problem solving

English proficiency

Formation

Bachelor’s degree in Computer Science / IT or related field

Outils

Power BI

Tableau

PostgreSQL

Microsoft SQL Server

ETL tools

Description du poste

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.

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Minimum 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 (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.