Principal Software Engineer, Build

Contribute to development across Build and Studio Assistant surfaces.

Ship end-to-end features spanning AI-assisted iteration, direct editing, monetization, analytics, and onboarding.

Mentor engineers on the team through formal mentoring and leadership by example.

Own projects from technical specification, execution and launch.

Collaborate with product, design and cross-team collaborators to uphold execution quality and velocity.

8+ years of hands-on working experience with a BS degree (or equivalent professional experience) in Computer Science, or a similar technical field.

Experience in programming languages such as C++, Luau, Javascript, or Typescript.

Experience with managing/navigating complex codebases and system architecture/design.

Driven cross-functional projects to build consumer facing products.

Passionate about building great user facing products through continuous improvements and rapid iterations with feedback

Curious about new technology and product experiences

Experience building agentic tools (Bonus)

Familiarity with A/B testing (Bonus)

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

$295,250 — $345,040 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.