Senior Data Quality Engineer (ETL Testing)

• Role: Senior Data Quality Engineer 
• Work Location: Remote
• Shift: Regular Day Shift
• Employment Type: Contract to Hire (Mandatory)
• Experience: 7+ Years
• Preferred: Immediate Joiners

Position: Senior Data Quality Engineer

Objective:

Client is seeking a highly skilled and motivated Senior Data Quality Engineer with 7+ years of experience to execute testing initiatives for our robust Data Platform. This role is instrumental in maintaining the integrity, reliability, and performance of our data systems. The ideal candidate will bring strong expertise in ETL testing, data validation, AWS-based data workflows, and Power BI reports, with a solid foundation in Test Automation and scripting.

This position is part of Client’s Data Platform team and will report to the Quality Manager, working closely with Engineering and Analytics stakeholders to ensure high data quality standards.

Key Responsibilities:

• Contribute to the development and execution of data quality strategies and best practices to support the organization’s data initiatives.
• ETL Testing: Design and perform thorough ETL tests, including test case development, data validation, transformation accuracy, end-to-end pipeline testing, and performance testing.
• AWS Data Pipeline Monitoring: Support the monitoring and optimization of AWS-based pipelines using services like Glue, S3, Athena, MSK, SQS, Lambda, Step Functions etc to ensure data accuracy, completeness, and reliability. 
• Automation & Scripting: Develop Python-based scripts to automate data quality checks and validation processes.
• Collaboration: Work alongside data engineers, analysts, and business stakeholders to understand data flows and resolve data quality issues.
• Documentation: Maintain clear and detailed documentation of testing procedures, test results, and quality metrics.

Required Qualifications:

• 5+ years of experience in data quality engineering, data testing, or related fields.
• Strong hands-on experience with ETL testing and data validation techniques.
• Experience working with AWS data services, including Glue, S3, Athena, MSK, SQS, Lambda, Step Functions, etc.
• Proficiency in SQL and Python (or any other OOP languages like Java, C#, C++, etc)
• Experience validating data in Power BI reports, including understanding of data models and report logic.
• Familiarity with test management tools such as Azure DevOps, Zephyr, or equivalent.
• Experience working in Agile environments (Scrum/Kanban).
• Exposure to data governance principles or data observability tools is a plus.
• Strong problem-solving skills and a proactive approach to identifying and resolving data quality issues.
• Good communication skills and the ability to work effectively with cross-functional teams.
• Continuous learning mindset and willingness to adapt to new technologies and techniques.

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.
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