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Wilson & Sterling Consulting

ETL Developer

Hybrid

Brussels, Belgium

Mid level

Freelance

09-12-2025

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Skills

SQL Big Data Data Warehousing Azure Data Factory Scrum power bi SQL Server Azure Agile Hadoop Databricks Kafka

Job Specifications

Our client, who operates across the healthcare insurance space is urgently looking for an ETL Developer on a long term Freelance basis.

The role:

Analyze requirements, design & update data models with both functional and technical intake within the Data Warehouse project as a primary focus.

Responsibilities

Create procedures and packages to meet the ETL requirements (including testing)
Conduct performance analysis to optimize the impact on operational systems
Contribute in master data management projects and provide feedback on data flows
Engage in the Data Team for sharing knowledge & work in close collaboration with the architects

Requirements

You have a higher education degree and you have at least 5 years experience as a ETL Developer
By preference you are bilingual (NL-FR) and you have a good knowledge of English
Profound knowledge of T-SQL scripting & querying is essantial
Profound knowledge of the MS SQL stack (DB – SSIS – SSRS) on 2019 and 2022 releases, Standard Edition is essential Knowledge of Azure based ETL Solutions such as Azure Data Factory and/or Fabric
Knowledge of Databricks
Experience in other ETL concepts & technologies is an added value
Knowledge of both batch ETL as well as streaming services (via Kafka and other)
Experience in setting up integrations and migrating from legacy to new concepts is a must Profound knowledge of T-SQL scripting & querying
Knowledge of the MS SQL stack (DB – SSIS – SSRS) on 2012 and 2016 releases, Standard Edition Experience in implementing solutions with SQL Server Integration Services (SSIS) & its ETL capabilities Strong experience in Data warehousing (DataVault, ...) and tools (Power BI, ...)
Knowledgeable about data modeling, data access, and data storage techniques
Big data (hadoop, ...), pipeline orchestration, log collection & distribution tools a plus
Experience in Agile or SCRUM practices is a plus

Soft skills :

You are analytical, perseverant, goal-oriented and result-driven
You have a sense of initiative and you are a real team player
You are strongly focused on quality and you can work independently with attention to service
You are willing to work in various fields and keep up to date with technological developments in the market

For further information please reach out to :

Omid@wilson-sterling.com

+32 (2) 342 052 7

About the Company

Wilson & Sterling Consulting – Driving Excellence, Innovation and Globalisation. We are a Specialist IT Recruitment Consultancy with a primary focus on : • Digital Advertising • Information and Cyber Security • Network and Network Security • Infrastructure and DevOps • Cloud Providing contract, Interim and permanent hiring solutions across the U.K and Mainland Europe. Our un-rivaled network and the ability to: consult, specialise and excel in our work allows us to align excellent talent with the most cutting-edge pr... Know more