Demonstrate hands on experience with commercial and open source game engines such as Unity, Unreal Engine, Godot, and similar platforms, and the programming languages commonly used with them (for example C sharp and C plus plus). Describe specific systems, features, or tools you built inside an engine, such as gameplay systems, rendering or shader work, physics integration, animation systems, editor tooling, asset pipelines, or multiplayer and replication logic. Be prepared to discuss engine workflows, scripting versus native modules, performance optimization and profiling, memory and asset management, build and deployment pipelines for consoles or mobile, and familiarity with engine idioms and debugging tools. Emphasize practical proficiency level, trade offs you made, and examples that show depth of experience rather than only naming technologies.
HardSystem Design
0 practiced
Design a continuous delivery strategy for a live multiplayer game that supports telemetry-driven canary rollouts, automatic rollback on measured regressions, backward-compatible server migrations, and database schema evolution with minimal downtime. Include feature flags, health metrics, and deployment patterns.
HardSystem Design
0 practiced
Design an authoritative multiplayer architecture supporting 10k concurrent players across multiple regions with matchmaking, dynamic instance scaling, and per-instance deterministic simulation. Include engine integration points for replication hooks, snapshotting, state persistence, monitoring, and disaster recovery strategy.
HardTechnical
0 practiced
Estimate monthly cloud costs for a 50k MAU multiplayer game with a peak of 20k concurrent players using authoritative instances. State your assumptions (average session length, churn, messages/sec), list resource types (compute, bandwidth, storage, DB), propose autoscaling policies, and suggest cost-reduction strategies (spot instances, regional pooling).
HardTechnical
0 practiced
Design strategies to detect and mitigate memory fragmentation and leaks in a long-running console live-service title. Include the use of custom allocators, region-based pools, OS-level diagnostics, heap compaction approaches, and operational monitoring to detect slow degradation over weeks of uptime.
MediumSystem Design
0 practiced
Design an asset streaming system for an open-world mobile game: requirements include streaming textures and meshes on demand, prioritizing assets near the player, handling fast traversal, and degrading gracefully on low-memory devices. Outline client responsibilities, server responsibilities (if any), priority heuristics, and monitoring metrics to track streaming quality.
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