Roblox Engineering Manager Interview Questions

Behavioral Questions (15)

1. 1.Walk me through a time when you built or managed a system that directly impacted how external developers or creators made money on your platform. What were the key considerations?

   easy~3 min

   What interviewers look for

   • Demonstrates understanding of developer ecosystem economics and the importance of creator success to platform health
   • Shows consideration for API stability, backward compatibility, and developer experience when building monetization features
   • Describes collaboration with business stakeholders to balance platform revenue with developer revenue sharing
   • Mentions specific metrics used to measure developer success and platform health
   • Shows awareness of fraud prevention and abuse mitigation in creator economy systems

   Likely follow-ups

   • How did you gather feedback from developers during the design process?
   • What unexpected challenges emerged after launch, and how did you address them?

   Company context

   Roblox developers have earned over $1 billion on the platform, making the Developer Ecosystem a core part of their business model. The platform's success depends on creator success, requiring engineers to think about API stability, monetization tooling, creator economics, and building systems that scale to millions of developers while maintaining trust and preventing abuse.

2. 2.We need to scale our game server orchestration to handle 10x more concurrent experiences, but our current Kubernetes setup is hitting resource allocation limits. How would you redesign the architecture?

   easy~3 min

   What interviewers look for

   • Identifies the need to move beyond single-cluster limitations with multi-region or multi-cluster strategies
   • Proposes intelligent game server placement based on player geography and latency requirements
   • Suggests resource pooling and bin-packing optimizations for better hardware utilization
   • Addresses the need for cross-cluster networking for players in the same experience

   Likely follow-ups

   • How would you handle the case where a viral experience suddenly needs 100x more servers than your capacity planning predicted?
   • What metrics would you track to know if your orchestration changes are actually improving the player experience?

   Company context

   Roblox operates one of the largest real-time multiplayer gaming platforms, with millions of concurrent users across diverse experiences. The platform's 'Take the Long View' principle means infrastructure decisions must scale for years while supporting the unpredictable usage patterns of user-generated content. Game server orchestration is critical to maintaining low latency and high availability for the global player base.

3. 3.Design a developer payout system that can distribute millions of dollars monthly to Roblox creators based on their in-experience purchases and engagement metrics. How do you ensure accuracy, prevent fraud, and handle international tax compliance?

   easy~3 min

   What interviewers look for

   • Proposes a multi-stage pipeline with transaction validation, fraud detection, and audit trails for financial compliance
   • Designs for international complexity with different payment methods, tax withholding, and regulatory requirements by country
   • Includes real-time fraud detection using behavioral patterns and transaction anomaly detection
   • Proposes transparent reporting dashboards so developers can track their earnings and understand payout calculations
   • Considers dispute resolution workflows and manual review processes for edge cases

   Likely follow-ups

   • How would you handle a situation where fraudulent activity is detected after payouts have already been processed?
   • What metrics would you track to ensure the payout system is supporting Roblox's goal of helping developers build sustainable businesses?

   Company context

   Roblox's developer economy has paid out over $1 billion to creators, making accurate and trustworthy payouts essential to the platform's ecosystem. The system must embody 'Respect the Community' by treating developers fairly while supporting Roblox's long-term vision of a sustainable creator economy.

4. 4.Tell me about a time when you had to convince engineering leaders from multiple teams to adopt a shared technical standard or practice that would benefit the platform long-term, but required them to slow down their immediate roadmaps.

   easy~4 min

5. 5.Roblox Studio crashes are up 15% month-over-month, but our telemetry only captures 60% of crashes due to the nature of editor crashes. How would you estimate the true crash rate and prioritize which crashes to fix first?

   easy~3 min

6. 6.Tell me about a time when you had to optimize the performance of a real-time multiplayer system that was causing latency issues for users. What was your approach and what were the results?

   medium~4 min

7. 7.You're leading a team working on Roblox Studio's performance. Creators are complaining that large experiences take 30+ seconds to load in the editor, but the runtime client loads the same content in under 5 seconds. How would you approach diagnosing and fixing this discrepancy?

   medium~4 min

8. 8.You need to design a cross-platform asset delivery system for Roblox Studio that syncs 3D models, scripts, and textures across PC, mobile, console, and VR. How do you handle the different performance constraints and storage limitations of each platform?

   medium~4 min

9. 9.Describe a situation where your team was building a feature that required balancing the needs of both Roblox developers and end users, and these groups had conflicting requirements. How did you help your team navigate this?

   medium~5 min

10. 10.Our Robux-to-USD exchange rate fluctuates based on developer cashout demand, but we want to keep it stable for user trust. Estimate how much it would cost Roblox to maintain a fixed exchange rate during a month when developer cashouts spike 50% above normal.

    medium~4 min

11. 11.Describe a situation where you had to implement safety measures for a platform where users create content for younger audiences. How did you balance creator freedom with child safety?

    hard~5 min

12. 12.Your team is building a new feature that lets developers publish updates to live experiences without downtime. The current system requires all players to rejoin when code changes. Walk me through the technical challenges and your architecture approach.

    hard~5 min

13. 13.Design a voice chat moderation system for Roblox that can process millions of simultaneous voice conversations across different age groups. How would you handle real-time detection of inappropriate content while maintaining low latency for gameplay?

    hard~5 min

14. 14.You inherit a team that's been working on the same large-scale infrastructure project for 18 months with little to show externally, but the work is critical for Roblox's next decade. The team is demoralized and stakeholders are losing patience. What's your approach in the first 90 days?

    hard~5 min

15. 15.Roblox experiences currently average 12 concurrent players, but we want to increase that to 25 players per experience to drive more social interaction. Estimate the infrastructure cost increase and identify the biggest technical bottlenecks we'd hit at that scale.

    hard~5 min