Online Programmer (Senior to Principal)

Online Programmer (Senior to Principal)

Activision

Warsaw or Malmö

Job Description:

Whether you're a Senior Online Programmer ready to step into broader ownership, or an experienced Principal who’s already led the development of complex online systems, we’d love to hear from you. We’re building our multiplayer foundation from scratch, and the scope of the role will be shaped by your background — from hands-on systems design to technical direction and mentorship. What matters most is strong engineering expertise, interest in shaping something new, and the ability to collaborate with a highly skilled team across disciplines.

You will drive innovation developing the multiplayer components of our engine and workflows, focusing on performance, scalability, and rapid iteration. You will collaborate with gameplay and design teams in order to push boundaries of what’s possible in online games.

You’ll help us…

• Architect and implement high performance network code solutions for client and server game logic;
• Develop networking code to interact with backend systems and online services;
• Partner with the engineering and design teams to build networked gameplay systems;
• Optimize and debug game network traffic;
• Provide insight and mentorship to gameplay engineering teams on best practices for use of online systems you build and support.

You’re awesome because you have…

• Excellent C++ programming skills - at least 5 years experience in networked games or equivalent;
• Excellent debugging and performance analysis skills within a networked environment;
• A proven track record of contributing to at least one shipped AAA game;
• Experience in other areas of video game technology;
• Comfortable working with RESTful APIs, JSON, and network protocol design/implementation;
• Proficiency in database modeling and access libraries;
• Experience with instrumentation and telemetry.

Bonus points for…

• Experience with multi-platform development, including PC, Xbox, and PlayStation;
• Experience in building backend services for videogames or equivalent;
• Excellent communication skills and experience coordinating with distributed development studios;
• Experience with live ops development and operation;
• Experience with gameplay networking techniques.