Mesut Duman

About Mesut Duman

I am a Senior Software Engineer in Test with over 8 years of experience driving end-to-end quality ownership, release management, and modern test automation for enterprise-level financial platforms. Throughout my career, I have focused on building scalable automation frameworks and fostering an \"automation-first\" quality culture within complex software ecosystems.Core Impact & Expertise:Quality & Release Leadership: At Mastercard, I have owned the full lifecycle of test planning, execution, and sign-off for multiple major releases, significantly reducing post-release risks through rigorous quality gates.Next-Gen Automation: Expert in designing and maintaining scalable UI and API frameworks using Playwright (Python) and Selenium (Java). My implementation of parallel testing strategies resulted in a 40% increase in execution speed.AI-Driven Efficiency: I actively leverage GitHub Copilot to accelerate test development and have successfully optimized framework maintenance by 30%.Technical Mentorship: Proven track record of onboarding and leading automation engineers, establishing industry best practices, and conducting technical workshops for cross-functional QA and Development teams.Architecture & CI/CD: Extensive experience integrating automated suites into Jenkins pipelines and managing cloud-based execution to ensure seamless smoke and regression validation.Technical Stack:Languages: Python, Java, JavaScript, SQL, Spring Boot.Testing Tools: Playwright, Selenium WebDriver, Cucumber (BDD), Rest Assured, Postman.DevOps & Cloud: AWS, Docker, Kubernetes, Jenkins, GitHub Actions, Bitbucket.Databases: PostgreSQL, Oracle.I am passionate about leveraging AI and modern tooling to bridge the gap between development and quality. Whether you are looking to discuss the latest trends in Playwright or interested in technical collaboration, feel free to connect.

Experience

1. Senior Software Engineer

   Mastercard

   Sep 2019 — Present

   Led test planning, execution, and sign-off activities for multiple software releases, ensuring quality risk assessments. • Designed and maintained scalable UI and API automation frameworks using Playwright (Python) and Selenium (Java). • Mentored automation engineers and collaborated with development teams to foster automation-first quality practices.

Education

• Karadeniz Technical University

  Bachelor's degree, Engineering Mathematics

• Goldey-Beacom College

  Master's Degree, Master of Financial Management