Summary written by USA Jobs 24 from Roblox's advert and our data on 17,030 current US jobs. How we check every job
At a glance
Roblox is hiring a Principal Software Engineer, WebRTC in San Mateo, CA. It is a full-time role in Software & IT, asking for at least 8 years of experience, first listed on November 1. The advertised pay is $295,250–$345,040 a year. The description mentions C++. Roblox has 99 other openings in the US, 98 of them in San Mateo, CA. Across all employers on USA Jobs 24 there are 57 Software & IT openings in San Mateo, CA today; the typical one asks for 7 years and advertises about $249,000 a year at the midpoint.
How the pay compares
Roblox advertises $295,250 to $345,040 a year, a midpoint of $320,145 a year. Where an offer lands in a range usually depends on experience and on the exact location. That is higher than about 94% of the 1,317 software & IT jobs in California that publish a yearly rate on USA Jobs 24, where the typical midpoint is $213,000 a year. To see roughly what this leaves after federal and California tax, try our take-home pay calculator.
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Before you apply
- Check it is still open. We found this job on Roblox's Greenhouse site on November 1 and checked it again November 4, 5:17 AM ET. When an employer takes a job down, we remove it at our next daily update.
- Check the location works for you. This role is based in San Mateo, CA. If you would need to move, ask whether relocation help is offered.
- Match the experience. The advert asks for at least 8 years of experience. If you are a little short, a close match on the skills in the advert can still win an interview.
- Tailor your resume. Use the advert's own words, such as C++, wherever they are true for you. Our resume guide shows how.
- Know your number. Decide the lowest offer you would accept before the first call. Our salary negotiation guide explains how to ask for more.
- Apply only through Roblox's own site. Our Apply button goes straight to Roblox's Greenhouse page. If anyone contacts you about this job and asks for money, gift cards or bank details, stop and check it with our scam checker. Read how to spot a fake job offer.
About hiring at Roblox
Roblox has 100 openings on USA Jobs 24 today across 3 states. Most are in software & IT (49), data & AI (21) and product & design (10). The biggest locations are San Mateo, CA (99), Chicago, IL (1) and Ashburn, VA (1). 1% of them are remote, 11% are open to entry-level candidates and 97% show pay. We collect Roblox's jobs every day straight from its own careers system (Greenhouse), never from job boards or agencies.
The employer's advert
This is Roblox's own description of the job, copied word for word from its careers site. We have not edited it.
Show the full advert from RobloxHide the advert662 words
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 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.
USA Jobs 24 copied this listing from Roblox's official careers site on November 1, 2026 and checked it again November 4, 5:17 AM ET. Roblox will never ask you to pay to apply or to buy equipment with a check they send you. If anyone does, it is a scam.
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