Data-warehouse & reporting developer

About Seidor

At SEIDOR, we help drive the transformation and competitiveness of our clients through technology and innovation, always focusing on the value of the human side and being committed to talent and sustainable development.

#HumanizingTechnology

We are a diverse and inclusive organization that believes in equal opportunities. We already have over 8,000 professionals in 45 countries across Europe, Latin America, the United States, the Middle East, Africa, and Asia. Here, you can develop and grow both professionally and personally from day one, with the support of a great team that shares human values. We carry out projects with a positive impact at both national and international levels, serving clients from different industries and collaborating closely with the leading technology providers (such as SAP, Microsoft, Salesforce, IBM, Google, AWS, Cisco, Adobe). We are one of the most recognized and awarded companies by our partners. We are committed to sustainability and promote ESG (Environmental, Social, and Governance) criteria to achieve sustainable development. We have reduced and offset our carbon footprint, becoming a net‑zero company. At SEIDOR, we believe that to address the challenges of the digital world and the new hurdles that arise, we must have the best allies, market‑leading technologies, and, above all, the best people.

Will you join us in humanizing technology?

About The Job

About The Job

We are a large company with a start‑up spirit. We organize ourselves into expert knowledge Units that collaborate with each other. That's why we are looking for curious individuals who are motivated by challenges and eager to grow personally and professionally, to join our team and make a positive impact on the world through technology.

Are you up for the challenge?

We want you to be a part of our team, from Brussels, as a Data‑warehouse & reporting developer.

What will you do in your day‑to‑day?

• Develop, deploy, and maintain scalable and incremental data pipelines from REST APIs and databases using Python, PySpark, Azure Synapse, Knime, SQL, and ETL tools to ingest, transform, and prepare data.
• Process and transform complex JSON and GIS data into structured datasets optimized for analysis and reporting. This includes parsing, transforming, and validating JSON data to ensure data quality and consistency.
• Load, organize, and manage data in Azure Data Lake Storage and Microsoft Fabric OneLake, ensuring accessibility, performance, and efficient storage using lakehouse and Delta Lake patterns.
• Document ETL processes, metadata definitions, data lineage, and technical specifications to ensure transparency and reusability.
• Collaborate with data analysts, BI developers, and business stakeholders to understand data requirements and deliver reliable, well‑documented datasets aligned with organizational needs.
• Implement data quality checks, logging, monitoring, and automated incremental load mechanisms within data pipelines to support maintainability, observability, and troubleshooting.

What do we expect from you?

• At least 5 years of excellent knowledge in Azure Data Lake Storage, Microsoft Fabric OneLake, and Oracle databases.
• At least 5 years of excellent expertise in developing data pipelines from REST APIs and integration (such as Azure Synapse, PySpark, Microsoft Fabric, Python, SQL, KNIME).
• At least 5 years of excellent expertise in processing JSON and GIS data.

Following certificates & standards are mandatory for the performance of tasks:

• Microsoft Azure Data Engineer Associate.

Following Certifications Are a Plus

• Microsoft Certified: Azure Solutions Architect Expert
• Microsoft Certified: Azure Developer Associate
• Microsoft Certified: Azure Database Administrator Associate
• Ability to understand, speak and write English (C1/C2), French (B2) will be an advantage.

What will you find at Seidor?

• A diverse team. We respect the differences that make us more human.
• We work as a team and learn from each other.
• Flexibility and work‑life balance. Remote working is in our DNA. We promote flexible working hours and offer shorter working day every Friday, as well as in the months of July and August.
• Continuous learning. Language courses, technical training, certifications, and more.
• Personalized career development, allowing you to decide where you want to go.
• Autonomy and the opportunity to suggest and promote new opportunities.
• Flexible compensation program. Childcare vouchers, restaurant benefits, transportation, and health insurance.
• Exclusive discounts and special conditions on technology, leisure, travel, and more.
• You can be part of charitable and environmentally related initiatives.
• If you have international interests, we are present in 45 countries.

Join our team and help us humanize the world through technology!