Mustafa Sahin

German Language Development (2024–2025) Completed structured German language training during relocation and integration period. Achieved B1 and B2 proficiency levels (CEFR). Focus areas: communication, professional terminology, integration courses.

Career break due to relocation from Turkey to Germany and settling into the new environment.

Worked as a technical expert and managed framework for UI and Backend testing that used Java, Cucumber BDD, Selenium WebDriver, TestNG, Maven, and Rest Assured. Supported and inspected the QA initiatives and project for quality, process improvements. • Used the Agile/Scrum methodology and took an active part in Scrum ceremonies. Used Rest Assured for automation and Postman for manual API testing.

Analyzed the Business Requirement Documents (BRD), System Requirement Specifications (SRS) and Functional Documents (FD) and responsible for creating Test Strategy, Test Plan and Test Cases. • Developed and maintained Automation Framework using Cucumber BDD, Selenium Web Driver, Java, JUnit, RestAssured for application UI Testing and back-end testing. • Used Jira as a project management and bug tracking tool. Created Jira Xrayʼs features such as test plan, user stories, test cases, test executions.

Worked in a highly dynamic Agile environment and participating in daily stand-ups, sprint planning for both development and testing sprints. • Worked in framework by using Java and Maven with Selenium Web Driver, Cucumber, TestNG, Apache POI, and JDBC. • Used Apache POI for writing/reading to/from Excel sheets to perform Keyword/Data Driven testing. • Automated manual test cases using framework to reduce the time required for testing by 80%.

I worked on the Turkiye map part of the Yandex navigation application. I was responsible with my team for updating application and organization data based on user and map feedback. • Assisted in identifying and correcting incorrect data on the map and application-related errors. • Worked on reporting the identified errors. • Worked in the detection and reporting of errors found in organization and Turkiye map matches.

I was responsible of teaching structured programming languages with C language, visual programming with Java, OOP Design Patterns, concepts of programming languages and operating systems.

I was responsible of assisting structured programming languages, visual programming and programming languages concepts lectures.