As a Senior Software Engineer (Backend) at Genpop, you will engineer technical solutions for a cross-platform AAA video game, focusing on online service capabilities. Responsibilities include implementing online services, supporting live service, and scaling up support structures. Qualifications include 5+ years of software engineering experience, familiarity with C++ in Unreal Engine, and experience with backend as a service platforms. Nice-to-have skills include multiplayer game development, eSports interest, and experience with console platforms.