Roblox
Senior
Build the default avatar abilities that define how every player moves and fights across Roblox's platform
Roblox's newly forming Avatar Default Abilities team is hiring a senior engineer with deep runtime character-animation experience to design and ship default abilities (movement, combat, interactions) in C++ and Lua/Python, reusable across millions of experiences and device tiers. Expect rigorous questions on real-time animation pipelines, performance optimization across device tiers, and composable systems design.
Step into this interview
Free · a live voice mock calibrated to this exact role
What this interview tests
- Real-time character/avatar animation pipelines
- C++ and Lua/Python for performance-sensitive systems
- Cross-device performance optimization (mobile to console)
- Data-driven, reusable ability architecture at massive scale
- Taking features from prototype through production rollout
- Mentoring and setting precedent on a new team
Common question themes
Architect a data-driven default ability system reusable across millions of experiences
Describe a runtime animation pipeline you built or shipped and its key technical challenges
Profiling and optimizing a character/animation system across low-end mobile to high-end console
Taking an ability/feature from prototype to production rollout and iteration
Designing composable systems on top of an existing avatar/ability manager
Establishing architecture, testing, and documentation standards for a newly forming team
Related interviews
Roblox
New grad
Senior Machine Learning Engineer (Systems), Embodied AI/NPCs, ML Platform
Roblox
Senior
Senior Product Policy Manager, Regional Policy (SEA/SA)
Roblox
New grad
Developer Engagement Representative
Amazon
Mid
Software Development Engineer II, Amazon Robotics
Amazon
Mid
Software Development Engineer, Amazon Music Catalog
Senior