Responsibilities Design and develop new functionality for our high scaling server and user authentication modules using C++ and C# Continuously participate in application design to further enhance our systems and code base regarding reliability, maintainability, scalability, and efficiency Work independently on solutions for specified requirements and be responsible for complying with time and quality specifications Ensure that our software is stable and runs efficiently on many different browsers and systems (more than 2.5 billion installations) Act as an advisor towards product owners (feasibility studies and time estimates for new functionality to be implemented) Requirements University or college degree in the field of computer science, software engineering, or any other related subject 3+ years of professional experience in software development Proven background in working with C++ and understanding of software engineering principles Profound knowledge of C# backend development and the .NET framework Knowledge in JavaScript (React, Typescript) is advantageous Fluency in English is mandatory; German is a plus What we offer Onsite Onboarding in our HQ office for an optimal start Great compensation and benefits packages including company achievement bonus or sales bonus and reg