ApplySarthiSoftware Engineer, Engine Infrastructure
Roblox
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Preparing for this interview
Interviews for infrastructure roles keep coming back to AWS, System design, Kubernetes, Python. Practise those questions before you sit with Roblox.
Questions you are likely to be asked
- Why do you want to join Roblox?
- What is your experience with C++? Tell me one thing you learned the hard way.
- Tell me about an outage you handled. What did you learn from it?
- How do you decide what to monitor, and what should wake someone up at night?
- How would you cut the cloud bill of a system without hurting it?
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Practise the Software Engineer, Engine Infrastructure at Roblox interview free →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.
We're looking for an outstanding engineer to join our Engine Infrastructure Team. As an engineer on our Systems team, you will have an immediate impact on the building blocks of Roblox itself. The software you build is a very large application that empowers our global community of 2M+ developers to push the boundaries of interactive gaming. Your work will touch every part of the engine, from threading and memory management to physics and scripting. If you enjoy working on C++ software and have a passion for working on high-performance real-time applications alongside experienced and passionate engineers, you will be right at home on our growing Game Engine team.
You will:
- Develop engine code in C++ for sub-systems critical to the Roblox game engine
- Work on sub-systems that handle data syncing between server and client, game-aware data streaming, and harmonizing resource usage to ensure gameplay works on various devices with varying CPU and memory capabilities
- Design systems that enable Roblox to scale its game server fleet to millions of servers across the world.
You Have:
- 3+ years of industry experience and you’ve designed and led implementation on highly scalable and reliable distributed backend systems.
- Knowledge: You are:
- Proficient in C++ and one or more programming languages (C#, Go, Python or similar programming language)
- Deep understanding of C++ is a plus
- Familiar with developing applications that run on Linux
- Familiarity with game engines is a plus.
- Curiosity: You are curious and passionate about crafting high performant technologies and adopting new technologies, such as AI and agents into your workflow. You are able to apply them to practical problems.
- Strong Teamwork: You are able to collaborate in cross-functional and cross team projects to deliver the most curated technical solution.
- Long-term Mindset: You are willing to take the long view to drive the collaboration and build the system.
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.
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.
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Listed on greenhouse · posted 2026-09-09. ApplySarthi collects openings and links to application pages; the role is advertised by Roblox, not by us.