Job Description

Data Engineer – Kafka & Elasticsearch

Location: Brussels, Belgium
Start Date: September 1, 2026
Duration: Until end of 2026, extendable
Work Regime: Full-time | Hybrid

We are looking for an experienced Data Engineer specialized in event-driven architectures and real-time data integration, with strong expertise in Apache Kafka and Elasticsearch.

Key Responsibilities:

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  Design, implement and manage Kafka and Elasticsearch data pipelines.
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  Configure Kafka topics, Schema Registry, Avro, Kafka Streams, Connect and ksqlDB.
• 
  Develop Elasticsearch indexing strategies, ingest pipelines and lifecycle management.
• 
  Build REST APIs and microservices to expose data through a data service layer.
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  Ensure data consistency, scalability, observability and reliable error handling.
• 
  Deploy and manage components using Docker, Kubernetes and OpenShift.
• 
  Implement CI/CD pipelines with GitLab CI and use Python for scripting and optimization.
• 
  Document pipelines, schemas, configurations and technical solutions.

Key Skills:

• 
  Apache Kafka and Schema Management
• 
  Elasticsearch and Kibana
• 
  REST APIs and Microservices
• 
  Docker, Kubernetes and OpenShift
• 
  GitLab CI/CD
• 
  Python and PostgreSQL
• 
  Data pipeline observability, troubleshooting and optimization
• 
  Dutch, English and French knowledge