Staff Game Play Engineer, Onebrief

• 7+ years of game engine or gameplay engineering experience, with demonstrated Staff or equivalent scope
• Deep familiarity with and experience tailoring game engines — Godot, Unity, Unreal, or custom
• Sees and cultivates emergent behaviors across multiple interacting systems
• Experience shipping and supporting live service games at scale
• Proven ability to architect complex gameplay systems and communicate technical decisions to cross-functional stakeholders
• Track record of raising engineering quality and velocity across a team, not just within your own work
• Low ego — you're here to make the product and the team better
• U.S. Citizenship required due to federal contract requirements

Desirable

• As a Staff Gameplay Engineer, you'll be a senior technical leader on the AtomEngine team — setting the architectural direction for gameplay systems, providing cross-team technical guidance, and directly improving the quality and velocity of everything we ship. This is a high-impact individual contributor role with broad organizational influence
• Own and drive gameplay systems architecture across AtomEngine, providing technical direction on complex, cross-cutting problems
• Provide architectural input across multiple concurrent projects — raise the quality ceiling and hit rate on feature delivery
• Collaborate closely with designers and PMs to shape features from concept through delivery, ensuring technical feasibility, performance, and schedule alignment
• Implement and optimize gameplay systems using Godot, GDScript, and C++
• Design with a deep understanding of client/server architecture, state replication, latency, and scale
• Partner with QA and testing teams to validate features, identify edge cases, and drive quality outcomes
• Mentor mid and junior engineers — invest in the team's growth, not just your own output
• Write and maintain clear technical documentation to support long-term maintainability and cross-team collaboration