Principal Software Engineer, WebRTC
Required skills
- Audio-Video-Communication
- voice chat
- 3D audio
- large-scale broadcast
- C++
- parallel/concurrent programming
- performance optimization
- Kernel
- Assembly
- memory management
Nice to have
- Roblox
- social team
- Engine's team
- Real-Time Communications team
- game developers
- programming ecosystems
Role summary
Roblox is seeking a Principal Software Engineer for its Audio-Video-Communication team to build a new real-time communication platform supporting billions of users. This role involves developing features for voice chat, 3D audio, and large-scale broadcast, focusing on C++ software development, performance optimization, and distributed systems. The ideal candidate will have over 8 years of experience deploying user-facing software and a strong understanding of parallel programming, system design, and best practices. This hybrid role is based in San Mateo, CA, offering a competitive salary and equity.
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 Software Engineer, Audio-Video-Communication team, you'll be in charge of building our upcoming platform to bring multi-modal communication experience - voice chat, 3D audio, and large-scale broadcast, to our users. If you enjoy working on C++ software while building products for the passionate community of Roblox, you'll be right at home within our experienced and growing social team. You will work with our Engineering Managers and Directors within our Engine's team, and will report to our Manager of the Real-Time Communications team.
You Will:
You Have:
You Are:
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 USDRoles 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.
Sample Roblox interview questions
- 1
Design a Delayed Payment Scheduler Service
system designmedium - 2
Design a skill-based matchmaking system
system designhard - 3
Design a system for managing data versioning in a distributed environment.
system designmedium - 4
Design a system for real-time processing of user behavior data.
system designmedium - 5
Design a Resource Loader in a Game Engine
system designmedium
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