Data QA Engineer

Perion is a global advertising technology company delivering solutions to the biggest brands and publishers around the globe across search, social media and display, video, CTV, and programmatic DOOH.

Home to an award-winning technology solution –– with our unique data-driven AI/ML based technologies, we deliver and optimize hundreds of terabytes of data and billions of events per day. We’re working with dozens of sources to provide a superior experience across screens and platforms, including mobile, video, social and native.

• Validate data flows, ETL/ELT processes, and reporting outputs.
• Write and execute SQL queries to verify data correctness.
• Analyze large datasets to identify inconsistencies, anomalies, and root causes.
• Work closely with data engineers, product managers, and analysts to ensure high-quality deliverables.
• Document test scenarios, defects, and validation procedures.

• Basic SQL knowledge (simple queries, filters, joins).
• Strong analytical and problem-solving skills.
• 1+ years of proven QA experience (manual or data-focused).
• High attention to detail and structured working style.
• Ability to work collaboratively in a fast-paced environment.

• Experience with complex SQL and large datasets.
• Python knowledge (data validation or automation).
• Familiarity with QA automation frameworks or scripting.
• 3+ years of total QA experience.
• Familiarity with the AdTech industry.
• Understanding of Header Bidding (HB) and RTB protocols.

• Competitive salary.
• Official employment according to Ukrainian legislation.
• Career and professional growth opportunities, including mentoring and training.
• The chance to work on exciting international projects with real impact.
• Ability to grow in QA Automation direction.
• Long-term cooperation, paid vacation, and social benefits.
• A supportive, friendly environment where your ideas matter.