Available to hire
I am Bünyamin Özen, a QA Automation Engineer with over 6 years of experience in manual and automated testing of web-based applications across fleet management, cloud storage, and fintech domains. I specialize in building scalable test automation frameworks using Java, Selenium WebDriver, database and REST API testing, and I thrive in Agile teams.
I am proactive, collaborative, and focused on delivering high-quality software through thorough test design, smart automation strategies, and clear reporting. I continuously explore AI-assisted testing and modern web technologies to improve efficiency and accuracy.
Skills
Language
Turkish
Fluent
English
Fluent
Work Experience
Senior QA Automation Engineer at Weavr.io
August 1, 2025 - PresentDesigned and maintained a robust end-to-end test automation framework for complex embedded finance APIs using Java, REST Assured, and Maven. Integrated AI-powered validation and 'LLM-as-a-Judge' models to optimize test reporting and automated error analysis. Engineered a 'Smart Selection' test execution strategy mapping over 1,000 test cases to Jira IDs via API integration, significantly reducing regression cycle times. Led CI/CD integration to stabilize deployments for global backend services and mentored cross-functional teams on automation practices.
QA Automation Engineer at Weavr.io
July 1, 2022 - August 1, 2025Developed comprehensive test plans and automation scripts for core Banking-as-a-Service features, focusing on API security and data integrity. Automated legacy manual workflows, increasing sprint-level test coverage and reducing manual effort by 40%. Collaborated within Agile/Scrum teams to identify edge cases during requirements, preventing high-risk bugs from reaching production. Performed deep-dive API testing using Postman and REST Assured to validate complex financial transaction flows and third-party integrations.
QA Automation Engineer at Helioteca
December 1, 2020 - July 1, 2022Responsible for executing Manual and Automation Testing based on User Stories and Acceptance Criteria. Designed UI Testing Framework via Cucumber BDD with Java, Selenium WebDriver, JUnit, and Maven. Applied Page Object Model and Singleton Design Pattern in Automation Testing Framework. Generated Features Files and Step Definitions in Gherkin. Integrated Cucumber HTML/JSON reports, implemented Data-Driven Testing, and executed Smoke/Regression Tests via Jenkins with email reporting. Practiced Agile ceremonies within a Scrum framework.
QA Automation Engineer at Intabella
January 1, 2020 - December 1, 2020Executed Manual and Automation Testing based on User Stories and Acceptance Criteria. Designed UI Testing Framework via Data-Driven Testing with Java, Selenium WebDriver, TestNG, and Maven. Applied Page Object Model and Singleton Design Pattern. Used JDBC and SQL Developer for Database Testing. Performed API testing with REST Assured and Postman. Integrated Apache POI for Excel data sources and ExtentReports for HTML reporting; remote smoke/regression testing via Jenkins with email delivery. Practiced Agile/Scrum ceremonies.
Education
Qualifications
B.S. in Public Administration - National Security Policy Studies
January 1, 2006 - January 1, 2010B.S.
January 1, 2006 - January 1, 2010B.S. in Public Administration - National Security Policy Studies
January 1, 2006 - December 31, 2010Industry Experience
Software & Internet, Financial Services, Professional Services
Skills
Hire a QA Engineer
We have the best qa engineer experts on Twine. Hire a qa engineer in Trabzon today.