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Osman Durmaz

@osmandurmaz

QA Automation Engineer at Green Dot who automated testing for mobile banking apps and validated AI-generated responses.

At Green Dot Corp, I worked on native mobile banking applications for legacy and BAAS projects, including apps used to open checking and savings accounts. I automated mobile tests with Java, TestNG, and Appium, and tested web applications with Selenium.

I also validated AI-generated responses for accuracy, relevance, completeness, and policy compliance. I reported defects and recommended prompt optimization strategies to improve response quality.

At PEPSICO, I automated UI and backend tests for an Order Management System used to manage inventory and orders. I tested APIs with RestAssured and Postman and checked database results with SQL.

At OPENTEXT, I tested the migration of Webroot and Carbonite applications to a new portal, creating test data and UI and API tests. I also enhanced the existing BDD Cucumber framework and automated desktop testing with WinAppDriver.

Experience

Work history, roles, and key accomplishments

QA Automation Test Engineer

Green Dot Corp

Aug 2022 - Dec 2025 (3 years 4 months)

Developed and automated test cases for native mobile banking applications, ensuring ADA accessibility standards. Utilized Appium, Selenium, and TestNG for mobile and web automation, and validated AI-generated responses for accuracy and policy compliance.

Java JavaScript Appium Selenium Webdriver TestNG TestRail TeamCity Git GitHub Jenkins Jira ReadyAPI REST API Testing Accessibility Testing WCAG AI Validation

QA Automation Engineer

PepsiCo

Mar 2021 - Jul 2022 (1 year 4 months)

Automated test cases for the Order Management System, covering UI and backend. Used Java with Selenium and JavaScript with Cypress for automation, and performed API testing with RestAssured and Postman.

Java Selenium Cypress JavaScript Rest Assured Postman Maven Git GitHub Actions JDBC PostgreSQL SQL Xray BDD Log4j

Quality Assurance Engineer

OpenText

Nov 2019 - Feb 2021 (1 year 3 months)

Implemented test cases for UI and API during platform migration, ensuring users were redirected correctly. Automated RESTful APIs with RestAssured, performed cross-browser testing with Sauce Labs, and used WinAppDriver for desktop automation.