ApplySarthiSenior Software Engineer, Engine Systems
Roblox
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Preparing for this interview
Interviews for software roles keep coming back to Python, Java, AWS, System design. 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.
- How would you design an API for a feature you have worked on?
- What do you do when a production issue happens on your code?
- Walk me through a system you built. How was it designed, and what would you change now?
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Practise the Senior Software Engineer, Engine Systems 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.
As a Senior Software Engineer on the Engine Systems team, you will help build the core diagnostic instrumentation for Roblox’s engine. In this role, design and build the systems that allow us to monitor and analyze Roblox from the hardware level all the way up to end user experience to improve Roblox for our millions of concurrent users.
You will contribute to platform-level systems that help Roblox understand hangs, crashes, performance regressions, and session health across our supported clients. This work requires navigating hardware and vendor-specific limitations across devices, while building reliable systems that help engineering teams safely ship weekly binary updates to Roblox at global scale.
You Will
- Build and maintain systems that report detailed stability, reliability, and performance signals across Roblox clients.
- Write well-instrumented systems-level code across supported devices, including mobile, desktop, and major console platforms.
- Ensure internal engineers have the tools and signals they need to detect, understand, and resolve disruptions to the user experience.
- Design highly reliable systems that must operate reliably at Roblox’s massive scale, where even small regressions can have significant impact.
You Have
- 5+ years of professional software engineering experience, with strong ownership of complex technical systems.
- Strong proficiency in systems level programming languages (C++, C#, Objective C, Rust, or similar programming language).
- Experience building data-driven software whose integrity can be measured and proven through each leg of the system
- A collaborative approach to engineering, with strong communication skills and a focus on team outcomes.
Additional Considerations
- Experience building observability systems, telemetry, crash reporting, hang detection, application performance monitoring, or related diagnostic tooling.
- Experience working cross-functionally with Data Science, Infra, and similar stakeholders to guide technical decisions.
- Multi-platform expertise involving several mobile or console ecosystems.
- Interest in mentoring other engineers and raising the engineering quality of the broader team.
- Experience with game engines, large client applications, or performance-critical runtime systems.
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 2025-10-10. ApplySarthi collects openings and links to application pages; the role is advertised by Roblox, not by us.