Principal Software Engineer, WebRTC

Roblox
San Mateo, US
On-siteVisa sponsorship

Who this role is best for

Aimed at senior engineers with C++ expertise who thrive in building scalable real-time communication systems, requiring onsite presence in San Mateo.

Best fit for

  • Senior engineers with deep C++ and performance optimization experience.
    — “Proficiency in C++ and an understanding of parallel/concurrent programming concepts
  • Candidates who have deployed distributed systems at scale.
    — “Successfully deployed a high-quality, multi-service distributed system at scale with low costs
  • Engineers comfortable working on constrained platforms like mobile or consoles.
    — “Familiarity with the challenges of working at scale and on constrained platforms like consoles or mobile devices

Things to consider

  • Onsite work required Tuesday through Thursday in San Mateo.
    — “Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday
  • No H-1B sponsorship available for this role.
    — “may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories

How to stand out

  • Highlight specific instances where you optimized performance in kernel or assembly.
    — “Experience in performance optimization (working in Kernel, Assembly, C, and memory management)
  • Showcase projects where you built resilient, long-lasting systems.
    — “Developing systems that are not just effective but also resilient over time
  • Demonstrate your ability to navigate and improve complex codebases.
    — “Able to navigate complex codebases
Pace · Fast PacedCollaboration · HighAutonomy · HighDecision Impact · TeamLevel · Principal

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • build and launch real-time communication platform
  • enhance robustness and performance of existing components
  • collaborate with cross-engine teams
Typical background
over 8+ years of experience developing and deploying user-facing software productsfamiliarity with challenges of working at scale

Skills & requirements

Required

C++Performance-optimizationDistributed-systemsReal-time-communicationMemory-management

Preferred

Multi-threadingConcurrent-programming

Stack & domain

C++Performance OptimizationParallel/concurrent ProgrammingMemory ManagementLeadershipProblem-solvingCollaborationSoftware EngineeringWebrtcReal-time Communication

About the role

Original posting from Roblox

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:

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

You Have:

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

You Are:

Enthusiastic about crafting software programming environments for game developers, eager to apply insights from multiple programming ecosystems to our scripting environment

Able to navigate complex codebases

Developing systems that are not just effective but also resilient over time

Inquisitive, constantly learning and keeping abreast of the latest trends in scripting languages and programming environments

 

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.

Source: Roblox careers

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