Unreal Engine Software Engineer, Network

What We Do

The Unreal Engine team is responsible for building and maintaining the foundational technology that powers Fortnite and makes it available to other game developers. From rendering, to animation, to audio, networking, and more, we are looking for smart, passionate developers to help us push the boundaries of what's possible with a modern game engine.

We're looking for a Software Engineer to help build and maintain our network layer in Unreal Engine. In this role, you'll work with multiple teams to solve challenging networking problems for current and next‑gen hardware on a variety of platforms.

• Be responsible for the network layer of Unreal Engine, which includes replication, low‑level network protocols (UDP, TCP), and other networking needs
• Improve the current state of Unreal's networking, working with multiple teams across Epic to help build scalable systems and architectures
• Work with our internal game teams and external partners to identify areas of improvement and build solutions in our existing codebase
• Own new feature work from design to implementation to deployment, ensuring that solutions are scalable, performant, and robust

• Experience in C++
• A deep understanding of network programming and multiplayer game development concepts (e.g., P2P, client-server architectures, replication)
• Familiarity with low-level network protocols and debugging challenges related to packet loss
  , latency
  , and bandwidth
• Experience working on network security and anti-cheat measures in multiplayer games
• Strong debugging and profiling skills
• Strong understanding of data structures
  , algorithms
  , computer architecture
  , and operating systems
• Excellent problem-solving abilities and attention to detail
• Familiarity with the Unreal Engine is a plus
• Knowledge of linear algebra and 3D math is a plus
• Experience with console development (
  Xbox
  , Play Station
  , Nintendo Switch
  ) or mobile platforms (
  iOS
  , Android
  ) is a plus