Principal Engineer, Studio Builder Tools
Company websiteroblox.com (Roblox, opens in new tab)
Base salary $345,040 to $399,420
Employer-published annual base salary, USD. Advertised base range in San Mateo, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationSan Mateo, CA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (3 h ago) · observed since
About this job
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.
Source: Roblox on Greenhouse · View original posting (opens in new tab)
Pay in context
This role's base floor ($345,040) is above 98% of the 4,208 Software Engineering roles in California listed on this site; 8 others list the same floor. Their median floor is $176,500; the middle half runs from $149,391 to $204,000.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 5, 2026.
This listingPrincipal Engineer, Studio Builder Tools$345,040 to $399,420
Principal Software Engineer - Compute (Kubernetes)$345,040 to $399,420
Senior/Principal Software Engineer - Creator Data$345,040 to $399,420
Principal Software Engineer, Core Services$345,040 to $399,420
Senior Engineering Manager, Communications$345,040 to $399,420
Senior Engineering Manager, Ads Data Platform$345,040 to $399,420
Principal Software Engineer, Build Platform$345,040 to $399,420
Chart as a table
| Role | Published base |
|---|---|
| Principal Engineer, Studio Builder Tools (this listing) | $345,040 - $399,420 |
| Principal Software Engineer - Compute (Kubernetes) | $345,040 - $399,420 |
| Senior/Principal Software Engineer - Creator Data | $345,040 - $399,420 |
| Principal Software Engineer, Core Services | $345,040 - $399,420 |
| Senior Engineering Manager, Communications | $345,040 - $399,420 |
| Senior Engineering Manager, Ads Data Platform | $345,040 - $399,420 |
| Principal Software Engineer, Build Platform | $345,040 - $399,420 |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-05-06
Where this pay comes from
Location as the employer wrote it: San Mateo, CA, United States
$345,040—$399,420 USD
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
