Principal Software Engineer, Ads User Experience

Help build a first-of-its-kind ads system within the Roblox Game Engine

Develop new ad formats and integrations, starting with video

Contribute to the design and performance of systems that scale across all Roblox experiences

Play a foundational role in shaping a multi-billion dollar Ads business

Build with an emphasis on user experience, performance, and platform integrity

Work closely with cross-functional teams to deliver thoughtful, community-respecting ad solutions

Experience: 6+ years working in deep, complex C++ codebases on challenging technical problems

Analytical skills: Strong background with app metrics, analytics, or data science — with the ability to interpret and act on insights

Passion for data: High standards for accuracy and a deep understanding of reliable data systems

Responsibility: Proven ability to build and maintain robust, production-quality systems

Curiosity: Eagerness to learn and stay at the forefront of emerging technologies

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.