Principal Software Engineer, Ads User Experience

San Mateo, CA, United States💼 Full-time💰 $295,250–$295,250🗓 2026-09-29 → 2026-10-02

Core

Building a first-of-its-kind ads system within the Roblox Game Engine, developing new ad formats and integrations (starting with video) to facilitate ads on the platform.

Role type

Principal Software Engineer (C++)

Builds

Ads system, ad formats, and integrations for the Roblox Game Engine

Domain

Gaming / Interactive Entertainment / Advertising Technology

Required skills

C++ (deep, complex codebases), system design, performance optimization, analytics interpretation, data system reliability, production-quality system maintenance

Preferred skills

Experience with emerging technologies, cross-functional collaboration

Technologies

C++, Roblox Game Engine

Responsibilities

Design and build scalable ad systems, develop new ad formats and integrations, ensure platform integrity and performance, collaborate with cross-functional teams on ad solutions

Seniority

Principal, hands-on IC with strategic impact

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About Roblox

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.