Full-Time Principal Game Designer (AI)
Sumo Group is hiring a remote Full-Time Principal Game Designer (AI). The career level for this job opening is Expert and is accepting Sumo Sheffield based applicants remotely. Read complete job description before applying.
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We are looking for a Principal Game Designer (AI) to join our team and help craft a rich, responsive world filled with compelling NPCs and challenging enemies.
As a master of your craft, you'll focus on enemy design and AI behaviour systems that support meaningful player choice and create dynamic, engaging encounters across a variety of gameplay scenarios.
As a Principal AI Designer, you will:
- Design AI that is systemic, responsive, and creates meaningful player challenges.
- Create combat encounters that support variety, player choice, and tactical decisions.
- Define gameplay states that support player strategy and flexible AI behaviour.
- Work with animation, code, and art to bring responsive AI characters to life.
- Align AI design with world-building, story, and player experience goals.
- Build combat scenarios that scale in challenge and support different playstyles.
- Own AI systems from concept to delivery with clear vision and accountability.
- Tune AI behaviours post-implementation for balance and player satisfaction.
- Mentor designers and help raise the overall quality of design across the team.
What do you need to do this job:
- Proven experience designing AI and enemies for first/third-person action or RPG titles.
- Deep understanding of AI systems that create believable tactical/strategic enemy behaviours.
- Ability to design distinct enemy types with unique, compatible roles and behaviour sets.
- Proficiency in creating diverse unit combinations, providing gameplay variety and depth.
- Solid grasp of encounter pacing and second-to-second gameplay rhythm.
- Experience collaborating with animation, level design, and engineering.
- Excellent communication and clear, concise design documentation skills.
- Ability to prototype and adjust behaviours using Blueprint or similar tools.
- Passion for player choice, systemic design, and emergent gameplay.
You will also need to demonstrate that you have:
- Shipped one or more AAA titles using UE4/UE5 or a similar engine.
- Experience balancing difficulty and behaviour across a wide range of players.
- Strong grasp of combat pacing, player feedback, and moment-to-moment flow.
- Familiarity working with licensed IP and aligning with tone and canon.
- A collaborative mindset and strong ownership over gameplay systems.