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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Sumo Group

Job Title

Principal Game Designer (AI)

Posted

Career Level

Full-Time

Career Level

Expert

Locations Accepted

Sumo Sheffield

Job Details

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.

FAQs

What is the last date for applying to the job?

The deadline to apply for Full-Time Principal Game Designer (AI) at Sumo Group is 5th of August 2025 . We consider jobs older than one month to have expired.

Which countries are accepted for this remote job?

This job accepts [ Sumo Sheffield ] applicants. .

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