About

Osman Karabacak is a highly skilled Software Development Engineer in Test (SDET) with over 4 years of experience in IT-related industries. He has extensive knowledge in Manual Testing, Automation Testing, Functional Testing, Database Testing, Regression Testing, Smoke Testing, Positive and Negative Testing including Black-Box Testing in both Waterfall and Agile environments. Osman is proficient in Java, Selenium WebDriver, Cucumber with Gherkin language, Maven, Jenkins, TestNG, JUnit, Postman, Git, Jira, SQL and Page Object Model. He is experienced in using OOP and Page Object Model (POM) and Singleton design patterns as blueprints for Test Automation Frameworks. Osman has executed Parallel Browser Testing on various machines using Selenium Grid and performed Cross Browser Testing using Maven and its dependencies in pom.xml file as a build tool. He has planned and operated writing Test Scenarios by using Gherkin Language in Cucumber as part of Behavior Driven Development (BDD). Osman has also automated Data Driven Tests by getting data from an Excel file using the Apache POI/POI Library. In addition, Osman has created Test Cases and performed Database Testing using JDBC and SQL Queries in various Relational Database Management Systems (RDBMS) such as MySQL and Oracle servers to check whether the data is being migrated properly. He has extensive knowledge in Back-End Testing of applications in different layers. He has also used Postman and REST Assured Library in Application Programming Interface (API) Testing and is well-versed in using HTTP Methods (CRUD) like GET, PUT, POST and DELETE in API. Osman is an expert in test management and bug tracking by using Jira X-ray. He has used Git as a version control tool and GitHub as the remote repository. He has expertise in using Jenkins as a Continuous Integration (CI) tool for projects and experience in Jenkins on an AWS Virtual Machine (VM) for executing Smoke Tests and Regression Tests for Continuous Integration. Osman has participated in Agile-Scrum Ceremonies; Sprint Planning meetings, Daily Scrum Meetings, Sprint Review Meetings, Sprint Retrospective Meetings to understand business and Testing Requirements. Osman holds a Master's degree and a Bachelor's degree in Botany/Plant Biology and Biology, General respectively from jobs in Istanbul. He is proficient in test, SDET, Software Engineer, SQL, Jenkins, Selenium, CI/CD, AWS, Integration, Java, MySQL,