Principal Software Engineer - WebRTC jobs in United States
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Roblox · 9 hours ago

Principal Software Engineer - WebRTC

positionSan Mateo, CA
timeFull-time
remoteHybrid
seniorityLead/Staff
money$294K/yr - $343K/yr
date8+ years exp

Roblox is a platform that empowers users to create and connect in immersive digital experiences. As a Principal Software Engineer, you will be responsible for building a multi-modal communication platform to enhance user interactions for over 160 million monthly users.

3D TechnologyGamingMetaverseOnline GamesSoftwareVideo Games
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Comp. & Benefits
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H1B Sponsor Likelynote

Responsibilities

Build and launch the latest real-time communication platform from the ground up, designed to support billions of users
Employ best programming practices to write code that is efficient, maintainable, and scalable
Play a crucial role in the introduction of high-quality communication features/products on a wide range of devices, from mobile to high-end platforms
Enhance the robustness and performance of existing components
Collaborate with engineers across engine and partner teams to create synergistic solutions

Qualification

C++Performance optimizationMulti-service distributed systemsReal-time communicationParallel programmingLearning agilityProblem-solvingCollaboration

Required

Over 8+ years of experience developing and deploying user-facing software products
Successfully deployed a high-quality, multi-service distributed system at scale with low costs
Familiarity with the challenges of working at scale and on constrained platforms like consoles or mobile devices
Experience in performance optimization (working in Kernel, Assembly, C, and memory management)
Proficiency in C++ and an understanding of parallel/concurrent programming concepts
A grasp of industry standards, best practices, and design patterns
Approached problems from multiple perspectives, weighing the advantages and drawbacks of different solutions

Benefits

Equity compensation
Benefits as described on this page

Company

Roblox

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Roblox is an online gaming and entertainment platform that offers a shared digital experience that brings people together through play.
dateFounded in 2004
location
San Mateo, California, USA
people-size1001-5000 employees
web-link
https://corp.roblox.com

H1B Sponsorship

Roblox has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (240)
2024 (111)
2023 (139)
2022 (153)
2021 (91)
2020 (92)

Funding

Current Stage
Public Company
Total Funding
$874.45M
Key Investors
Andreessen HorowitzAltos Ventures
2024-10-01Post Ipo Equity
2022-04-12Series Unknown· $17.71M
2021-08-11Series Unknown

Leadership Team

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David Baszucki
Founder and CEO
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Anupam Singh
VP Engineering, AI Platform, Infrastructure
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Recent News

Greylock
Greylock Portfolio - Roblox
2025-12-31
wsgr.com
Roblox Raises $150 Million Series G
2025-12-31
Andreessen Horowitz
Investing in Roblox
2025-12-31
Company data provided by crunchbase