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.
Are you passionate about programming languages and an enthusiast for great coding practices wherever you go? Do you want to use your deep expertise in C# and .NET to set the vision for how it is used in a hyperscale environment? The Languages team supports 2000+ Roblox teammates who write, build, and ship the most incredible virtual experience platform in the world. As a Senior Software Engineer focused on how C# and .NET are used at the company, you will have massive end-to-end impact on everything from improving the C# development experience to squeezing the last bit of runtime performance out of our data center services.
You Will:
- Develop a golden path for the way C# developers work from IDE through production monitoring.
- Debug, profile, and optimize the use of C# and .NET at hyperscale in Roblox data centers.
- Establish and promote standard methodologies for C# development throughout the company.
- Shepherd the Roblox ecosystem for managing C# libraries, packages, and versions.
- Drive C# evolution and modernization at Roblox, staying on top of industry trends and teaching the company.
You Have:
- A BS in Computer Science or equivalent experience in a related field with at least 4+ years work experience.
- Deep knowledge of C# and .NET, from basic syntax to advanced language features.
- A thorough understanding of CLR internals, including thread/memory/object management and garbage collection.
- Real-world experience developing, deploying, operating, and optimizing .NET services.
- Experience debugging, and performance profiling services at scale.
- Strong background with enterprise-level language infrastructure (packages, compilers, dependencies, CI pipelines).
- Familiarity working with common cloud and hosting technologies (e.g. AWS, Docker, Kubernetes, and Hashistack (Nomad, Vault, Terraform).
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.
Annual Salary Range
$189,110—$233,840 USD
Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).
You’ll Love:
- Industry-leading compensation package
- Excellent medical, dental, and vision coverage
- A rewarding 401k program
- Flexible vacation policy (varies by exemption status)
- Roflex - Flexible and supportive work policy
- Roblox Admin badge for your avatar
- At Roblox HQ:
- Free catered lunches five times a week and several fully stocked kitchens with unlimited snacks
- Onsite fitness center and fitness program credit
- Annual CalTrain Go Pass
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 for all candidates during the interview process.
What the Team is Saying
What We Do
Roblox is an immersive gaming and creation platform that offers people millions of ways to be together, inviting its community to explore, create and share endless unique experiences. Our vision is to reimagine the way people come together — in a world that's safe, civil, and optimistic. To achieve this vision, we are building an innovative company that, together with the Roblox community, has the ability to strengthen our social fabric and support economic growth for people around the world.
Why Work With Us
Every day, Roblox employees tackle complex questions and drive incredible innovation. Join us in building the future of human connection and communication.
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Roblox Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
We are requiring employees to be in the office three days a week – with core days being Tuesday, Wednesday, and Thursday. On Mondays and Fridays, employees may choose to work remotely, although the office will still be open.
