Demo

Software Engineer, Core Services

Roblox
San Mateo, CA Full Time
POSTED ON 5/22/2026
AVAILABLE BEFORE 6/19/2026
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 Software Engineer on the Core Services team, you will own and drive the development and management of core infrastructure, API stack, and microservices. These components are essential for supporting a range of services and platforms within Roblox, including our studio environment. Additionally, you will contribute to the development of tooling and frameworks for full-stack teams. You will get the chance to take ownership of high RPS (requests per second) services, contribute to the re-architecture of systems to accommodate our company's growth, and collaborate with a diverse set of teams including Infra and the product teams within Roblox, leading initiatives, and making a significant impact across the company.

Here are a few quick highlights of how we power Roblox:

  • Microservices - we manage 50 microservices, the most of any Roblox full-stack engineering team. These services are crucial to run Roblox. They sit right at the heart of the connection between product and infrastructure.
  • API Scale - we run services that hit 500K - 3M RPS, the highest load of any Roblox full-stack engineering team. Scalability and reliability of these services is important to keep the product alive.
  • Thumbnails - our system generates and delivers 5 - 6 million thumbnails per second. Perfect for viewing all your avatar clothing options!

You Will

  • Report into the Core Services - Foundational Services team.
  • Build, maintain, and scale systems to support our goal of 1 billion active users
  • Design backend features for https://www.roblox.com and mobile apps on iOS, Android, and Amazon platforms.
  • Collaboratively build new microservices using Docker, .NET Core, and container orchestration.
  • Build and establish core infrastructure accessible to all Roblox teams.
  • Enforce high code quality standards, architectural designs, and long-term approaches as a gatekeeper

You Have

  • Experience in C#, Java, Go or any other object-oriented programming language
  • 1-3 years of experience building web applications in frameworks such as ASP.NET, SpringMVC, Express, Rails, or Flask.
  • Experience building high traffic REST APIs, using Containers and microservices
  • Experience building large scale distributed systems with focus on scalability, reliability, and availability
  • Experience with Oncall and in troubleshooting live site issues
  • Bachelor’s degree in Computer Science or a related field, or equivalent experience.

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

$153,120—$196,750 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.

Salary : $153,120 - $196,750

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Software Engineer, Core Services?

Sign up to receive alerts about other jobs on the Software Engineer, Core Services career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$97,257 - $120,701
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$77,657 - $95,021
Income Estimation: 
$97,257 - $120,701
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Roblox

  • Roblox San Mateo, CA
  • 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 cre... more
  • 2 Days Ago

  • Roblox San Mateo, CA
  • 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 cre... more
  • 2 Days Ago

  • Roblox San Mateo, CA
  • 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 cre... more
  • 2 Days Ago

  • Roblox San Mateo, CA
  • 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 cre... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Software Engineer, Core Services jobs in the San Mateo, CA area that may be a better fit.

  • Roblox San Mateo, CA
  • 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 cre... more
  • 1 Month Ago

  • Stellar Development Foundation San Francisco, CA
  • Interested in working on cutting-edge blockchain technology and creating equitable access to the global financial system? Since 2014, the mission-driven te... more
  • 2 Days Ago

AI Assistant is available now!

Feel free to start your new journey!