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numi

Data Engineer

numi
Belgium · Contract · Mid-Senior

Senior Data Engineer


Type: Long-term Contract (B2B) Location: Remote (with occasional travel to Brussells Tech Stack focus: Trino, Spark, dbt, Iceberg, Kubernetes, Airflow.

THE MISSION

We are building a massive-scale, fully Open-Source Data Lakehouse from the ground up.

While most organizations are settling for vendor lock-in with proprietary platforms, we are committed to technical sovereignty. We are moving away from "black-box" solutions to build a high-performance, modular, and vendor-agnostic data platform. We need a veteran Data Engineer/Architect who values code-over-configuration and knows how to orchestrate complex data flows at a global scale.


WHAT YOU WILL DO

  • Architect the Lakehouse: Design and maintain a production-grade Data Lakehouse using open-source protocols like Apache Iceberg or Delta Lake.
  • Engineered Pipelines: Build scalable ELT workflows to transform vast quantities of structured and unstructured data using Spark and dbt.
  • Query Optimization: Use Trino to enable lightning-fast SQL access across disparate data sources.
  • DevOps for Data: Deploy and manage your workloads using Docker and Kubernetes, ensuring the environment is as robust as the code.
  • Real-Time Integration: Design integrations for data streaming services (Kafka/RabbitMQ) and a variety of APIs and cloud platforms.
  • Code Excellence: Write modular, testable, and production-ready Python/SQL code, backed by automated monitoring and validation checks.


YOUR TOOLBOX

  • The Engines: Expert-level knowledge of Trino, Spark, and SQL.
  • The Storage: Deep understanding of modern storage formats (specifically Apache Iceberg or Delta Lake).
  • The Orchestrators: Proficiency with Airflow, Dagster, or similar "Data-as-Code" tools.
  • The Infrastructure: You are comfortable with Kubernetes and Docker/Podman; you understand that the environment is part of the solution.
  • The Modern Edge: Experience leveraging AI-powered assistants (like Amazon Q) to accelerate development and troubleshoot complex pipelines.
  • The Mindset: You treat Data Engineering like Software Engineering. You believe in CI/CD, unit testing, and modular architecture.


WHY THIS ROLE?

  • Open-Source Purity: No proprietary constraints. You get to work with the "guts" of the technology.
  • Global Impact: This project serves a world-class enterprise client with data volumes that will challenge your optimization skills.
  • Tech-Forward: We are actively integrating AI-assisted engineering tools into our workflow to eliminate the "grunt work" of data mapping and documentation.
  • Autonomy: This is a role for a "Builder." You will have a significant say in the design patterns and architectural decisions of the platform.

Key Skills

Ranked by relevance

spark kubernetes design patterns storage docker apache grunt cloud cicd sql ai
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Posted
Feb 10, 2026
Type
Contract
Level
Mid-Senior
Location
Brussels Metropolitan Area
Company
numi

Industries

Staffing Recruiting

Categories

Information Technology

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