ApplySarthiPrincipal Software Engineer
Roblox
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What software roles keep asking for: Python (36%), Java (30%), AWS (30%), System design (26%), C++ (24%), CI/CD (23%), Observability (22%), Kubernetes (20%) — counted across their open postings here.
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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 Observability? 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 Principal Software Engineer 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.
The Observability team owns the entire stack of Telemetry, Distributed Tracing, and Logs, including instrumentation libraries, data processing pipelines, data storage, and the visualization UI. We provide the vital signs for our software components that subtend to our platform. We believe in user-centric strategy, and we are focused on making an impact for all the teams we support. As a Principal Software Engineer in the Observability team,
You will:
- Work with our business partners to determine the vision and roadmap, and lead the project execution end-to-end.
- Focus especially on novel solutions to monitor AI/ML systems, covering the full AI/ML lifecycle and ecosystem
- Take full ownership of existing observability infrastructure systems, making sure they are scalable, reliable and easy to use, and meanwhile improve the existing infrastructures with new features and functionality.
- Follow and expand our vision to put the Roblox community first and get things done.
- Take the long view to architect our next generation observability platform, ingesting PBs of log and tracing data everyday.
- You will report to the Engineering Manager for Observability.
- This is a Hybrid role located in our San Mateo headquarters. You are required to be in the office at HQ 3 days a week (Tues-Thurs). #LI-Hybrid
You Have:
- 8+ years of working experience and experience in building, maintaining and evolving large scale distributed systems.
- Demonstrated understanding of all the components that are required to build modern, large-scale infrastructures.
- Ownership of end-to-end availability and performance of critical services to reduce operational overhead.
- A love of learning, and a drive to pick up new technologies as the landscape evolves. Previous contributions to the Open Source Community is a big plus.
- Passion about mentoring junior engineers, with the ability to earn their respect and help them stretch themselves to build great software and level up their technical knowledge.
- You hold a BS in Computer Science or related fields; Masters degree or higher is a definite plus.
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 2026-10-20. ApplySarthi collects openings and links to application pages; the role is advertised by Roblox, not by us.