Senior Data Quality Engineer

We are searching for a dedicated **Senior Data Quality Engineer** with strong expertise in Python automation using the Behave framework to support, maintain, and expand our existing regression suite. This suite leverages given-when-then syntax to generate SQL queries for testing the integrity of data within Ad Tech workflows. As data migration transitions from AWS Glue to DBX, you will ensure the quality and reliability of this process, enhance the suite to accommodate new pipelines, and troubleshoot technical challenges with mínimal guidance.**Responsibilities**- Support and maintain the existing test framework (Python/Behave)- Fix SQL generator to support DBX SQL flavor- Execute regression suites across multiple testing datasets- Work collaboratively with data engineers and the QA team to validate and improve the quality of delivered data- Detect, analyze, and address data dependencies and quality issues in migrating pipelines- Investigate root causes of data-related defects and coordinate resolution efforts with engineering teams- Monitor, report, and communicate data quality metrics, defects, and risks to stakeholders throughout the project lifecycle**Requirements**:- Proven experience of over 3 years in data testing/data quality engineering, data validation, and testing in large-scale data platforms or migration projects- Background in data testing frameworks, CI/CD processes, and the implementation of DataOps principles- Expertise in Python and the Behave framework for testing and automation- Proficiency in Databricks for data integration and SQL query refinement- Showcase of strong communication skills in English (B2 level or higher) with the ability to contribute effectively in a multinational and distributed team**Nice to have**- Familiarity with AWS services for data workflows and infrastructure- Competency in data analysis techniques for identifying critical patterns or anomalies**We offer**- Career plan and real growth opportunities- Unlimited access to LinkedIn learning solutions- International Mobility Plan within 25 countries- Constant training, mentoring, online corporate courses, eLearning and more- English classes with a certified teacher- Support for employee’s initiatives (Algorithms club, toastmasters, agile club and more)- Enjoyable working environment (Gaming room, napping area, amenities, events, sport teams and more)- Flexible work schedule and dress code- Collaborate in a multicultural environment and share best practices from around the globe- Hired directly by EPAM & 100% under payroll- Law benefits (IMSS, INFONAVIT, 25% vacation bonus)- Major medical expenses insurance: Life, Major medical expenses with dental & visual coverage (for the employee and direct family members)- 13 % employee savings fund, capped to the law limit- Grocery coupons- 30 days December bonus- Employee Stock Purchase Plan- 12 vacations days plus 4 floating days- Official Mexican holidays, plus 5 extra holidays (Maundry Thursday and Friday, November 2nd, December 24th & 31st)- Monthly non-taxable amount for the electricity and internet billsEPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.