Software Engineer, Engine Infrastructure (C++)

Location: San Mateo, California, United States. Office-based roles require onsite presence Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.

Salary: $182,170–$227,370 USD per year, plus potential equity compensation and benefits.

Company

Roblox builds tools and platform infrastructure for immersive 3D experiences created by a global community of developers and creators.

What you will do

• Develop C++ engine code for subsystems critical to the Roblox game engine.
• Build systems for server-client data synchronization and game-aware data streaming.
• Optimize resource usage so gameplay can run across devices with different CPU and memory capabilities.
• Design infrastructure that scales the game server fleet to millions of servers worldwide.
• Collaborate across teams to deliver reliable technical solutions for high-performance real-time applications.

Requirements

• 3+ years of industry experience designing and leading implementation of highly scalable and reliable distributed backend systems.
• Proficiency in C++ and at least one additional programming language such as C#, Go, or Python.
• Experience or familiarity with developing applications that run on Linux.
• Strong collaboration skills for cross-functional and cross-team projects.
• Interest in high-performance technologies and applying AI and agents to practical problems.

Nice to have

• Deep understanding of C++.
• Familiarity with game engines.

Culture & Benefits

• Work on large-scale systems supporting millions of developers and players.
• Full-time employees are eligible for equity compensation and company benefits.
• Equal employment opportunities and reasonable accommodations are provided during the recruiting process.
• For US-based roles, future H-1B sponsorship may not be supported for this position.