Senior Data Warehouse Developer

HumanInTech; Brussel Hoofdstad; Hybride; EUR 70 000 - 100 000; Plein temps

Résumé du poste

HumanInTech is seeking a senior Data Architect to design sustainable data warehouse architectures and clear data product standards. The role centers on modelling, semantics and ETL/BI components, with cloud/IaC and data lineage responsibilities.

You will lead in an Agile environment from Brussels, working hybrid part-time to full-time, and collaborate across data consumers and engineering teams.

Qualifications

• 5+ years of data warehouse modelling experience.
• 5+ years of data modelling and semantics experience.
• 5+ years in data product architecture and defining architecture standards for long-term manageability.
• Experience with project-oriented work and data warehouse modelling.
• Knowledge of cloud-based data and integration technologies, workflow orchestration and IaC.
• Knowledge of data lineage and impact analysis in data pipelines.
• Knowledge of federated query engines for accessing and querying data across sources (e.g., Starburst).
• Knowledge of Cognos or Datastage for data warehouse applications.
• Knowledge of standardisation through generic building blocks for reuse.
• Fluency in Dutch at CEFR level C2.

Responsabilités

• Plan, design and build data warehouse applications using Cognos or Datastage.
• Model data warehouses with data semantics and metadata management.
• Define data product architecture and long-term standards.
• Build data warehouse components: ETL, BI, databases, metadata.
• Work with cloud-based data and IaC, orchestration.
• Implement data lineage and impact analysis in pipelines.
• Work with federated query engines to access data across sources (e.g., Starburst).
• Standardise through reusable building blocks and modular designs.
• Design API/service-based integrations and reusable services.

Connaissances

Data warehouse modelling

Data modelling

Data product architecture

Cloud data technologies

IaC

Data lineage

Federated queries

Cognos/Datastage

API & services

Dutch (CEFR C2)

Formation

Bachelor's degree or higher

Outils

Cognos

Datastage

Starburst

Description du poste

What you will do

You will develop a data architecture for data products that is sustainable, maintainable, clear, scalable and manageable, serving the different needs of data consumers. Your responsibilities include:

• Planning, designing and building data warehouse applications using tools such as Cognos or Datastage
• Data warehouse modelling and working with data modelling and semantics
• Defining data product architecture and architecture standards for long-term manageability and policy objectives
• Building data warehouse components including data integration (ETL), reporting and analysis (BI), databases and metadata
• Working with cloud-based data and integration technologies, workflow orchestration and Infrastructure as Code (IaC)
• Implementing data lineage and impact analysis in data pipelines
• Working with federated query engines for accessing and querying data across different data sources (such as Starburst)
• Standardising through generic building blocks for reuse
• Designing modular and loosely coupled solutions, API and service-based integrations, and reusable services and building blocks

You will take a leading role in an Agile development environment.

What we are looking for

Essential experience and knowledge:

• At least 5 years of experience with data warehouse modelling
• At least 5 years of experience with data modelling and semantics
• At least 5 years of experience with data product architecture and defining architecture standards for long-term manageability and policy objectives
• Experience with project-oriented work and data warehouse modelling, or demonstrable training in data warehouse modelling
• Knowledge and experience with cloud-based data and integration technologies, workflow orchestration and Infrastructure as Code (IaC)
• Knowledge and experience with data lineage and impact analysis in data pipelines
• Knowledge and experience with federated query engines for accessing and querying data across different data sources (such as Starburst)
• Knowledge and experience with planning, designing and building data warehouse applications using tools such as Cognos or Datastage
• Knowledge and experience with standardisation through generic building blocks for reuse
• Fluency in Dutch at CEFR level C2

Valuable additional experience:

• Knowledge and experience with data warehousing concepts, processes and architectures
• Knowledge and experience with building data warehouse components: data integration (ETL), reporting and analysis (BI), databases and metadata
• Knowledge and experience with data integration architecture, including designing modular and loosely coupled solutions, API and service-based integrations, clear integration principles and reusable services and building blocks
• Knowledge and experience with Agile development methodology, with the ability to take on a leading role

Nice to have:

• AWS Certified Solutions Architect
• Data Management Body of Knowledge (DAMA-DMBOK) certificate

The setting

This role runs from October 2026 to the end of March 2027. The work is based in Brussels, with hybrid working possible. You will work full-time, with an estimated 960 hours over the assignment period. The working language is Dutch.

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team. If you join as an employee, your employment continues beyond this assignment. When it ends, we’ll work together to find your next assignment.

Location: Brussels, hybrid

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): October 2, 2026 at 2:00 AM

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: 6-10 years or more

Education: Bachelor's or more

Published: September 2026