Ömer Kaçar

QA Automation Engineer with contract experience in Java-based UI and API testing, including the İşbank integration at Abone Sepeti. Software instructor in Java, web development, and Kotlin/Jetpack Compose. Brings a strong background in troubleshooting, fault isolation, and systematic technical analysis gained in aviation maintenance, electronics repair, and hospitality systems.

Co-Founder & Lead Software Instructor at Leader Coders (2024-06 – Present)

• Design and deliver project-based training in Java, object-oriented programming, HTML/CSS/JavaScript and Android development with Kotlin and Jetpack Compose.
• Teach software architecture fundamentals and guide learners through practical web and locally running mobile applications.

Contract QA Automation Engineer at Abone Sepeti (2023-10 – 2024-06)

• Worked on automated testing for the İşbank integration module and web/mobile application workflows.
• Developed Java/Selenium UI test cases using Cucumber, JUnit/TestNG and Page Object Model; supported API testing with REST Assured and database checks using SQL/JDBC.
• Coordinated test activities and tracked defects using Jira/Xray within an Agile/Scrum team.

Technical Operations & Systems Support at Akol Hotel (2021-10 – 2023-02)

• Functionally tested hotel website features and room-management/reception workflows while working with software teams on system implementation and go-live.
• Identified operational issues and supported communication between hotel users and the software team.

Electronics Technician at Kalemak Asansör / Oger Asansör / Temalift Asansör (2017 – 2021)

• Diagnosed elevator system faults and repaired electronic control boards.

Aircraft Maintenance Technician & Technical Analyst at Turkish Air Force (2009 – 2017)

• Investigated aircraft maintenance issues and analyzed fault, maintenance and flight records, combining aircraft-system knowledge with methodical fault isolation; used basic SQL queries when needed.

Associate Degree (in progress) in Computer Programming – Open Education (AÖF) (2026)

Associate Degree in Aircraft Airframe and Engine Maintenance – Dokuz Eylül University