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Freelance Data Consultant Engineer

Adesso Belgium


Job Location:

Brussels - Belgium

Monthly Salary: Not provided by the employer
Posted: 31 August 2026 (22 hours ago)
Application Deadline: 28 November 2026
Vacancies: 1 Vacancy

Job Summary

Job description

adesso Belgium is the Belgian entity of the adesso group a fastgrowing IT provider with a proven track record across different industries. With more than 10000 employees across 60 locations adesso is expanding its presence in Europe and Belgium is a key part of that strategy.

From our base in Brussels the capital of Europe we are building aData & AI practicethat combines the agility of a startup with the backing of a solid international group.

We are looking forexperienced freelance Data Engineersto join our talent pool for upcoming projects with our customers in Belgium.

Job requirements

Your role

As aFreelance Data Engineerworking with adesso Belgium you help our clients design build and operatedata solutionsthat enable better datadriven decisions.

Depending on the assignment and your expertise you may be involved in:

Data pipelines & integration

  • Design build and maintaindata ingestion and transformation pipelinesfrom various sources (files APIs databases SaaS systems ).

  • Implement robustETL/ELTprocesses using modern data engineering tools and frameworks.

  • Ensure data is delivered in a reliable performant and secure way.

Data modeling & serving

  • Design and implementdata modelsfor analytics and reporting (e.g. data warehouses data marts curated datasets).

  • Prepare and expose data to BI and analytics tools and to data science / ML use cases.

  • Apply good practices for documentation naming conventions and reusability.

Data platforms & environments

  • Work withmodern data platforms and environments onpremise or in the cloud depending on the client context.

  • Contribute to the design and implementation of the different layers of a data platform (ingestion storage processing serving).

  • Help ensure that solutions are scalable maintainable and aligned with the clients architecture and standards.

Quality reliability & operations

  • Implementdata quality checks monitoring and logging to ensure trustworthy data.

  • Troubleshoot and optimize pipelines and queries forperformance and costefficiency.

  • Useversion control and automation practicesto industrialize and secure deployments.

Collaboration with stakeholders

  • Work closely withdata architects BI developers analysts data scientists and business stakeholdersto understand requirements and translate them into technical solutions.

  • Communicate clearly on progress risks and technical decisions and contribute to a constructive team dynamic.

Your profile

You dont have to tick every box but you recognize yourself in most of the following:

  • At least35 years of experience as a Data Engineeror in a similar role ideally in a consulting / projectbased environment.

  • Strong skills inSQLand a good understanding of data modeling for analytics (data warehouse concepts dimensional modeling / star schema ).

  • Experience buildingdata pipelines and data solutionswith one or more modern tools / technologies (e.g. scripting or programming languages integration tools databases BI or analytics platforms).

  • Good programming skills inPython(or another language commonly used for data engineering).

  • Familiarity withversion control(Git or similar) and basicautomation / CI/CDpractices.

  • Comfortable working directly with business and IT stakeholders with good communication skills.

  • Used to working as afreelancer: autonomous professional able to integrate quickly into new teams and environments.

  • Fluent inFrench or Dutch and comfortable inEnglish(spoken and written).

Nice to have

  • Experience in industries such asbanking insurance energy ecommerce public sector.

  • Exposure to modern concepts such asdata platforms data lakes Lakehouse data mesh data products.

  • Experience with tenders RFPs or longterm managed services is a plus.

Why join adesso Belgium

  • Work in an international group with strong local expertise in Belgium.

  • Collaborate with cross-functional teams within the international data & AI adesso community.

  • Flexible freelance setup with the support of a growing adesso Belgium community.

Interested If you are aFreelance Data Engineerand want to be considered for upcoming missions with adesso Belgium:

Send us yourCV and daily rate indication or reach out for an informal conversation about the type of projects and environments we work with. Were looking forward to getting to know you and exploring how we can work together.

Contactdetails: Data & AI practice lead: Salvatore Caramazza

More info about Adesso-group & Press release

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adesso sorgt als unabhängiger IT-Dienstleister durch Beratung und Softwareentwicklung für den Erfolg Ihrer Projekte und die Zukunftssicherheit Ihrer Anwendungen.

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