Wibit Consulting & Services (WibitCS)

IT Software Quality Engineer (ETL / Big Data)

Wibit Consulting & Services (WibitCS) · Rotterdam, South Holland, Netherlands

Staffing and Recruiting · 1 employee

7 h ago
Senior (5-10 yrs) Contractor Netherlands
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About the role

The Software Quality Engineer will perform end-to-end testing of ETL workflows and data pipelines to ensure data accuracy and integrity. They will also manage the defect lifecycle and collaborate with cross-functional teams to troubleshoot data-related inconsistencies.

What they look for

ETL Testing Big Data Testing SQL Data Validation Python PySpark Pandas Azure Data Factory Azure Databricks Azure Data Lake Postman Test Automation Data Reconciliation API Testing Azure DevOps

Requirements

Candidates must have strong expertise in ETL, Big Data testing, and advanced SQL, along with hands-on experience in Python and Azure data services. A Bachelor's or Master's degree in a technical discipline is required for this role.

Full description

🔍 IT Software Quality Engineer (ETL / Big Data) 📊

We are working with a leading company seeking an experienced IT Software Quality Engineer to drive quality assurance across complex data platforms and cloud-based ecosystems. ☁️ The role requires strong expertise in ETL and Big Data testing, data validation, SQL, and test automation, with a focus on ensuring data accuracy, integrity, and reliability across end-to-end data pipelines.

📋 Key Responsibilities

ETL & Data Validation

  • Perform end-to-end testing of ETL and data workflows
  • Validate data extraction, transformation, and loading processes
  • Conduct data reconciliation and cross-system validation
  • Ensure data quality, completeness, consistency, and accuracy across source and target systems

Test Planning & Execution

  • Analyze business requirements and create detailed test scenarios and test cases 📝
  • Develop comprehensive test strategies aligned with business and technical requirements
  • Execute functional, integration, system, and regression testing
  • Ensure adequate test coverage and quality across releases

SQL & Data Analysis

  • Perform advanced SQL-based data validation and analysis
  • Validate complex data transformations, aggregations, joins, and business rules
  • Investigate and troubleshoot data-related defects and inconsistencies

Automation & Tools (good to have) 🐍

  • Develop and maintain automated data validation frameworks using Python, PySpark, and Pandas
  • Create reusable automation utilities to improve testing efficiency
  • Support continuous improvement of test automation capabilities

Cloud & Data Platform Testing ☁️

  • Validate data pipelines built on Azure Data Factory (ADF)
  • Test data processing and storage solutions on Azure Databricks and Azure Data Lake
  • Ensure seamless integration between cloud-based data services

API & Integration Testing

  • Validate data exchange across integrated applications and services
  • Perform API testing using tools such as Postman

Defect Management

  • Manage the complete defect lifecycle, from identification through closure
  • Collaborate closely with development and integration teams to resolve issues effectively

Reporting & Stakeholder Communication 📈

  • Track and report testing progress, quality metrics, risks, dependencies, and blockers
  • Provide regular status updates to project stakeholders
  • Work closely with developers, business analysts, product owners, and business users

Quality & Risk Management

  • Identify quality risks proactively and drive mitigation plans
  • Ensure compliance with organizational QA standards, processes, and governance practices 🎯

✅ Required Skills & Experience

Must-have: ETL Testing / Big Data Testing, Manual Testing, BI/Reporting Validation, Advanced SQL, Data Validation and Reconciliation, End-to-End Test Lifecycle Management, Azure DevOps, ETL Frameworks and Processes

Hands-on experience: Python, PySpark, Pandas, Azure Data Factory (ADF), Azure Databricks, Azure Data Lake Gen2, Postman

🎓 Educational Qualification

Bachelor's or Master's Degree in Computer Science, Information Technology, Data Engineering, or a related technical discipline

💡 Key Competencies

🔹 Strong analytical and problem-solving skills 🔹 Attention to detail and quality focus 🔹 Ownership and accountability 🔹 Effective stakeholder management 🔹 Excellent verbal and written communication skills 🔹 Proactive risk identification and mitigation

🌟 Preferred Candidate Profile

✨ Strong experience in data-centric testing environments ✨ Exposure to cloud-based data platforms and modern data architectures ✨ Ability to independently lead testing activities and coordinate with stakeholders ✨ Interest in emerging AI-driven testing approaches

📩 Ready to ensure data excellence across cloud-based platforms? Apply now!

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