Principal Engineer, Studio Builder Tools

roblox· Software Engineering
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📍 San Mateo, CA, United States

About this role

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. 

At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. 

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

As a Principal Engineer in the Builder Tools team, you’ll work on interactive, developer-facing tools and reusable tooling frameworks for Roblox Studio, a collaborative IDE for making Roblox games. 

The Builder Tools team is in charge of Roblox Studio’s content making features, from 3D draggers to world-class character animation tools, tooling for making terrain for huge worlds, in-game UI authoring tools, and many more. 

In this role, you will have a direct impact on how streamlined and enjoyable making games on Roblox is for hundreds of thousands developers worldwide!

You will:  

  • Work on various interactive tools for Roblox game developers
  • Define architecture and implement reusable tooling frameworks
  • Work with UX designers and Product Manager to come up with most optimal and ergonomic solutions
  • Design and execute on the architecture and technical direction that will be the future of our application
  • Own and deliver complex technical projects from the planning stage through execution
  • Work cross functionally, across teams and technology platforms
  • Mentor team members helping them improve their professional skills and expertise
  • Design, develop, and implement technological practices, patterns, and strategies
  • Participate in building the world's best professional application for massively multiplayer game development

You have:

  • 8+ years in developing and deploying top of the line user-facing applications
  • Bachelor's degree in Computer Science, or a similar technical field (or related work experience)
  • 3+ years of experience with C++ or another lower-level language
  • A passion for end-user experience
  • Experience with UI frameworks like React, Cocoa, WPF, or others is a plus
  • Experience in making developer-, engineer- or artist-facing tools, such as game development tooling, CADs, 3D editors, design tools  is a big plus.

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page.

Annual Salary Range
$345,040$399,420 USD

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Frequently Asked Questions

Is the salary disclosed for the Principal Engineer, Studio Builder Tools position at roblox?
The salary for this Principal Engineer, Studio Builder Tools role at roblox is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Principal Engineer, Studio Builder Tools position at roblox located?
This Principal Engineer, Studio Builder Tools role at roblox is based in San Mateo, CA, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Principal Engineer, Studio Builder Tools at roblox belong to?
This Principal Engineer, Studio Builder Tools position is part of the Software Engineering department at roblox. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Principal Engineer, Studio Builder Tools position at roblox?
Click the "Apply Now" button on this page. You will be redirected to roblox's official application portal hosted on greenhouse where you can submit your application directly.
When was the Principal Engineer, Studio Builder Tools job at roblox posted?
This Principal Engineer, Studio Builder Tools position at roblox was posted on May 6, 2026. Apply as soon as possible — early applications are often reviewed first.
Principal Engineer, Studio Builder Tools
roblox
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