Principal Software Engineer, Creator Collaboration (C++)

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

Salary: $295,250–$345,040 USD base pay per year, plus eligibility for equity compensation and benefits.

Company

Roblox builds a 3D immersive platform, cloud development tools, and services that enable a global community of creators to develop interactive experiences.

What you will do

• Design and deliver complex end-to-end features in the Roblox game engine and Studio UI.
• Define the foundational architecture and technical direction for expanding Roblox Studio capabilities.
• Build collaboration workflows that enable creators and AI agents to create, share, and manage reusable content at scale.
• Work across teams and technology platforms to deliver high-quality user functionality.
• Lead by example and mentor engineers on technical practices, patterns, and strategies.
• Improve product quality through automation testing and reliable system design.

Requirements

• At least 8 years of experience solving complex problems in large-scale systems.
• Professional experience with C++ codebases and game engine development.
• Experience designing highly available and scalable systems, microservice architectures, multithreading, and networking primitives.
• Ability to deliver features end to end, build performant user flows, and handle failure cases rigorously.
• Bachelor’s or master’s degree in computer science, or equivalent practical experience.
• Strong communication, collaboration, and mentoring skills.

Nice to have

• Understanding of version control systems internals.
• Familiarity with file storage systems, network protocols, or database internals.

Culture & Benefits

• Work on tools and platforms for massively multiplayer game development.
• Collaborate across engineering teams and technology platforms.
• Full-time employment with equity compensation and company benefits.
• Equal employment opportunity and reasonable accommodation support during the recruiting process.