Overview

Senior Quality Assurance Lead Jobs in Brussels, Brussels Region, Belgium at OneSource Consulting

Title: Senior Quality Assurance Lead

Company: OneSource Consulting

Location: Brussels, Brussels Region, Belgium

Title: Senior QA Lead (Data Pipelines & Test Automation)

Location: Belgium(Hybrid)

Start: ASAP-End of 2026 with possible extension

About the Role

We are looking for a Senior QA Lead to build and lead the QA practice for modern data pipelines. This is a hands-on leadership role where you’ll define testing standards, implement automation frameworks, and establish scalable QA processes from the ground up.

Key Responsibilities

  • Own end-to-end QA for ETL/Data Pipelines.
  • Build automated testing frameworks using Pytest.
  • Develop SQL-based data validation and reconciliation tests.
  • Automate Excel, XML, and API testing.
  • Integrate automated testing into GitHub Actions (CI/CD).
  • Lead QA strategy, mentor team members, and drive quality best practices.

Required Skills

  • Strong experience in ETL/Data Pipeline Testing.
  • Advanced SQL and Python (Pytest).
  • Hands-on with Pandas, OpenPyXL, lxml/xmlschema.
  • Experience with Postman/Newman, GitHub Actions, and Databricks.
  • Proven experience building QA automation frameworks from scratch.

Nice to Have

  • Cloud data platforms & orchestration tools.
  • Great Expectations or other Data Quality tools.
  • Performance & volume testing experience.

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