Lead QA Engineer; Artificial Intelligence

Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services. Our worldwide team helps over 3 million companies, more than 1,300 financial institutions and over 600 million cardholders grow with confidence and achieve amazing results. We are driven by our passion for success and we are proud to deliver best-in-class payment technology and software solutions.

Join our dynamic team and make your mark on the payments technology landscape of tomorrow.

At this time, we are unable to offer visa sponsorship for this position (H1b/OPT). Candidates must be legally authorized to work for any employer in the United States (or applicable country) on a full-time basis without the need for current or future immigration sponsorship.

QA Engineer (AI/ML) (Exempt)

Enterprise AI/ML Organization

Reports to Leader of ML Engineering Group

This QA Engineer position is for a hands‑on professional with experience in testing and automating AI/ML pipelines. The ideal candidate is someone who has worked closely with machine learning engineers and data scientists to ensure the quality and reliability of AI/ML models and systems. You will join a dynamic team passionate about innovation, learning, and applying cutting‑edge technologies to deliver high‑quality AI solutions.

• Develop and implement QA strategies tailored for AI/ML solutions, including models, APIs, pipelines, and agent‑based architectures.
• Create and maintain automated and manual test cases for model validation (accuracy, bias, robustness, explainability, drift).
• Collaborate with AI engineers, data scientists, and product teams to define success criteria, acceptance standards, and performance metrics.
• Validate model outputs and system behaviors against business and ethical guidelines.
• Perform regression, integration, stress, and adversarial testing of AI models and systems.
• Identify, log, and track bugs and anomalies, ensuring timely resolutions.
• Support monitoring production AI systems to detect model performance degradation (concept drift, data drift, hallucinations).
• Ensure compliance with internal AI governance standards, responsible AI principles, and regulatory requirements.
• Contribute to building automated AI testing frameworks, pipelines, and synthetic data generation systems.
• Document testing procedures, results, and quality assessments clearly and effectively.

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Minimum 6 years of experience in quality assurance, specifically testing AI/ML applications.
• Experience with the following:
• Hands‑on skills with Python and relevant AI/QA libraries (Pytest, Unittest, Great Expectations, MLflow, Deepchecks, etc.).
• Familiarity with machine learning frameworks (Tensor Flow, PyTorch, or scikit‑learn).
• Experience with test automation tools and frameworks.
• Knowledge of CI/CD tools (Jenkins, Git Lab CI, or similar).
• Experience with containerization technologies like Docker and orchestration systems like Kubernetes.
• Familiarity with version control systems like Git.
• Strong understanding of software testing methodologies and best practices.
• Excellent analytical and problem‑solving skills.
• Excellent communication and collaboration skills.

Global Payments Inc. is an equal opportunity employer. Global Payments provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex (including pregnancy), national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information or any other basis protected by law. If you wish to request reasonable accommodations related to applying for employment or provide feedback about the accessibility of this website, please contact