Real-Time Network Engineer (C++ )

ROBLOX – The Imagination Platform

At ROBLOX, we are building a metaverse that connects over 30M people worldwide across console, desktop, mobile, and VR. These are highly interactive, immersive simulation environments that are fully networked. Join a best-in-class engineering team to work on the most difficult problem in networking.

As a Senior Networking Engineer, you will build what is essentially the largest cloud in the gaming industry. Every one of our 10 million user-generated games is online and multiplayer. From first-person shooters to RTS games and social building games, our platform has to provide the best networked experience possible: low latency, smooth interpolation, and robust extrapolation.

You have a passion for making high performance, low latency, efficient networked systems. You will help us build the best interactive 3D environments in the world.


  • Participate in determining technical approaches and developing new or enhancing network technologies
  • Implement and own major distributed simulation features
  • Implement and optimize the virtual world replication protocol
  • Maintain and optimize the test automation framework for distributed simulation
  • Collaborate with all client engineering teams to build a scalable and versatile game networking environment

Must Haves:

  • Proven experience in real-time networking
  • Strong background in high performance C++
  • Experience with high-level, scalable server architecture design
  • Thorough understanding of TCP / IP and UDP protocols
  • Self-sufficient, self-organized, and able to take ownership of a project throughout its full lifecycle
  • BS or MS in Computer Science or related technical discipline

Nice to Have:

  • Real-time game networking, such as a networked shooter, RTS, or MMO

Perks & Benefits: 

  • Work with an awesome team of smart and motivated people on cool and unique projects that are used by millions of active users every day
  • ROBLOX Admin badge for your avatar, and rockstar status with our community
  • Unlimited paid vacation
  • Gym reimbursement
  • Free catered lunches & a fully stocked kitchen with unlimited snacks
  • 401K
  • Robust medical, dental and vision insurance
  • Free onsite parking & other commuter benefits

Roblox is the largest social platform for play that allows kids to imagine, create, and play together in immersive 3D worlds. Over 22 million user-generated online games have been produced on the Roblox platform with over 40 million players visiting Roblox every month to create adventures, play games, roleplay, and learn with friends in a family-friendly environment. Roblox is accessible on all modern smartphones, tablets, desktops, Xbox One, Oculus Rift, and other popular VR platforms. Roblox was ranked #37 in the Consumer Products and Services category for overall revenue in Inc. Magazine’s 2016 5000 Fastest Growing Private Companies in America. 

Roblox – Powering Imagination.

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