Senior Software Engineer

11/2017 – 1/2020

responsibilities: maintaining and extending an existing product platform; code reviews; interteam communication; business requirement analysis; project demonstration

achievements: successful messaging functionality migration (new data model + websockets); improved performance in critical parts of the platform; integration of an alternative command line client for the sake of testing simplification; GDPR implementation

MongoDB, PostgreSQL, Continuous Delivery (CDE), Agile Entwicklung, Apache Tomcat, Docker, Hibernate (Java), J2EE (Java EE), J2SE (Java SE), Spring, Java Message Service (JMS), Angular, Representational State Transfer (REST)

9/2015 – 10/2017

responsibilities: maintaining existing subsystems; developing new ones; code reviews; performance optimizations; interteam communication;

achievements: development of a high-load batch reporting system; development of a payment terminal configuration subsystem

JDBC (Java Database Connectivity), mySQL, Oracle Database, Agile Entwicklung, Apache Tomcat, Oracle WebLogic Server, Apache Maven, Hibernate (Java), J2EE (Java EE), J2SE (Java SE), Perl, Python, Spring

9/2013 – 8/2015

responsibilities: maintaining and extending existing product platform; leading an international team of developers and quality engineers; mentoring department newcomers

achievements: a new product was successfully developed and delivered in production; the aforementioned team proved to be successful and self-sufficient

Oracle Database, Agile Entwicklung, Apache Tomcat, Apache Maven, Hibernate (Java), J2EE (Java EE), J2SE (Java SE), Spring