Senior Gameplay Engineer

Responsibilities

• ▹Develop combat behavior: target prioritization, hero-appropriate weapon and ability use, movement, and disengagement
• ▹Develop humanization: tunable aim, reaction time, and error models across difficulty levels
• ▹Develop macro behavior: team cohesion, traversal, pacing, events, looting, and progression
• ▹Extend the utility AI framework: new behaviors, scoring, and tuning
• ▹Keep bot populations performant: throttling, suspension, and LOD
• ▹Extend bots as automated test clients, from feature tests to match-scale load tests
• ▹Build bot evaluation tooling: debug visualization and playtest metrics
• ▹Partner with design to tune behavior through playtests

Requirements

• ▹5+ years of gameplay or game AI engineering on shipped action games
• ▹Strong C++ and Unreal Engine fluency, including AI controllers, navigation, and EQS
• ▹Utility AI or comparable decision-making architectures
• ▹AI in networked multiplayer: client/server authority, prediction, dedicated servers
• ▹Humanlike combat AI: aim and error models, reaction time, believable movement
• ▹Optimizing many concurrent agents: LOD and tick throttling

Nice to have

• ▹Player bots in a competitive shooter
• ▹Unreal Engine 5, StateTree, and the Gameplay Ability System
• ▹Control systems (e.g. PID controllers) and input simulation
• ▹Automated test clients and load testing

Soft skills

What we offer

• ▹California pay range at start of employment: $108,900-$161,160/yr, may vary by location and individual factors
• ▹Potential bonus and/or equity awards, 401(K) plan, Employee Stock Purchase Program
• ▹Medical, dental, vision, and basic life insurance coverage
• ▹14 paid holidays per calendar year
• ▹15 to 25 days paid vacation or discretionary time off program
• ▹Up to 10 paid sick days per calendar year
• ▹Paid parental and compassionate leave
• ▹Wellbeing programs for mental health, family planning support through Maven
• ▹Commuter benefits and fitness-related expense reimbursement

About the company

31st Union is a diverse team of developers driven by a passion for their art, united by core values, and inspired by a culture of inclusivity to build amazing games.