Ozgur Ertekin

Senior Software Engineer @Cubic Transportation Systems

Hamburg, DE

As the Freelance Senior Software Developer, ensured business continuity and customer satisfaction on high-transactional microservice environment under high turnover rate. Adapted highly on changing environment and took the ownership of the backend systems.• Bad practices and inefficient implementations are identified, reported and evaluated according to cost-benefit ratio.• Designed, implemented and rolled-out 2 new microservice components to introduce new business functionalities.• The customer requirements were evaluated, designed and performed in high precision which made them fulfill their legal obligations and gain competitive advantages.• The security fixes are performed by evaluating the dependency hierarchy and with implementation changes.• To accomplish the successful business results the following skills are performed; Java 17, Spring Boot 3, Hibernate, Keycloak, Reactive services, RESTful services, Web Services, PostgreSQL, Docker, Github, Sonarqube, Meterian.