Sergey Kozyrev

About Sergey Kozyrev

ISTQB-Certified Test Automation Lead with 8+ years of experience in test automation, QA and software development across banking, government, supply chain and fintech industries. Proven technical leader with a track record of rebuilding test automation frameworks for customer-facing banking applications, migrating core applications from Cypress to Playwright, and implementing robust API contract and functional testing across major services. Highly skilled in Cypress, Playwright, Selenium, Robot Framework, Pytest, AVA, Cucumber, Python, JavaScript and CI/CD pipelines, delivering scalable, efficient and high-quality automation solutions.

Experience

1. Senior Test Automation Engineer

   Triumph

   Mar 2025 — Present · Dallas, TX, US

   Rebuilt test automation framework by migrating 2 core applications from Cypress to Playwright, addressing inefficiencies in speed and scale, reduced average test execution time by 82%, significantly accelerating release cycles. Increased API test coverage from 0% to robust levels by introducing and implementing API contract and functional testing across all major services using.NET/C# in combination with Nunit and RestAssured.NET, ensuring service reliability and reducing potential bugs. Implemented a robust Playwright testing framework for a high-impact customer sign-up app, providing core automated tests and reducing manual testing time by 60%. Introduced Scrumban agile methodology with structured processes to organize disordered test automation workflows, increasing sprint flexibility, accelerating ticket movement and reducing time spent on PRs and approvals. Revamped test automation pipelines in Azure DevOps by replacing old pipelines, adding new ones and integrating automated tests into the deployment process, enabling faster bug detection across applications and reducing manual QA effort.

Education

• Gomel Technical University P.O. Suhogo

  Bachelor's degree, Mechanical Engineering