Companion Group

Senior AI Engineer

Companion Group  •  Remote  •  17 days ago
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Job Description

Companion Group is a AAA co-development gaming studio with a globally distributed and fully remote setup, renowned for its adeptness in overcoming the most intricate challenges in multiplayer game development.

Our reputation precedes us as an excellent choice for clients aspiring to elevate their latest multiplayer titles, enabling scalability in player numbers, maximising player density, and crafting immersive gameplay experiences.

Embedded seamlessly within a client's in-house team, we collaborate harmoniously to turn dreams into reality. Our portfolio boasts groundbreaking games developed in collaboration with major studios worldwide. As a fully remote studio with colleagues across the globe, we value and emphasise clear, continuous, and transparent communication as highly as technical skills.


As a Senior AI Engineer, you’ll be at the heart of bringing virtual worlds to life by crafting highly believable, complex, and scalable AI systems for multiplayer games. You will work closely with a talented team of developers, designers, and animators to build robust agent decision-making architectures, optimize pathfinding for massive entity counts, and deliver seamless, network-efficient AI behavior. Your expertise will drive critical aspects of our AI technology stack, ensuring players face challenging, immersive, and memorable adversaries and companions.

Requirements

  • Architect & Implement: Design, develop, and refine cutting-edge, multiplayer-ready AI frameworks, decision-making systems, and navigation architectures inside and outside of Unreal Engine.

  • Write Clean Code: Produce elegant, highly efficient, and maintainable C++ code optimized for low-latency and low-CPU overhead.

  • Optimize Performance: Leverage an expert-level understanding of data structures, algorithmic complexity, and multi-threading to handle high-density AI populations without compromising server framerates.

  • Collaborate: Partner with cross-functional teams, particularly designers and animators, to build expressive, tactical, and innovative AI behaviors that align with game design pillars.

  • Network Integration: Contribute to the architecture of server-authoritative AI, optimizing how agent states, sensory data, and movement are replicated across complex multiplayer environments.

  • Problem Solve: Tackle intricate technical hurdles related to dynamic pathfinding, spatial reasoning, group coordination, and custom steering behaviors in dense, chaotic game worlds.

Qualifications & Technical Skills

  • Experience: 6+ years of professional game development experience, with a heavy emphasis on core game AI architecture.

  • Engine Expertise: 4+ years of deep experience within Unreal Engine, specifically working with AI controllers, navigation meshes (NavMesh), and behavior systems.

  • Proprietary Engines: Experience working with at least one proprietary game engine (utilizing C/C++ OOP or ECS paradigms).

  • AI Architecture Mastery: Deep understanding of modern game AI methodologies, including Behavior Trees, State Trees, Hierarchical Finite State Machines (HFSM), and Utility AI.

  • C++ Proficiency: Excellent C++ programming skills, including proficiency in modern standards (C++17 and C++20) applied to performance-critical systems programming.

  • Multiplayer Awareness: Solid understanding of Client-Server game architecture and how AI processing, physics, and animation budgets behave under server-authoritative setups.

  • Soft Skills: Excellent communication and collaboration skills, with a proven ability to thrive in a fully remote, globally distributed team.

What Makes You Stand Out

  • Experience implementing advanced spatial reasoning frameworks, such as Influence Maps, Environment Query System (EQS) overrides, or tactical positioning grids.

  • Experience with Entity Component Systems (ECS) (e.g., flecs.dev, MassEntity) applied specifically to mass-entity AI and crowd simulation.

  • Familiarity with Unreal Engine’s Gameplay Abilities System (GAS) and integrating it seamlessly with AI decision-making loops.

  • Academic or practical exposure to Machine Learning, Reinforcement Learning, or LLM integrations in a gaming context.

  • Familiarity with scripting languages and tools development (e.g., Lua, Python) for designer-facing AI authoring tools.

  • Experience with scalable cloud architecture (AWS, Azure, GCP) to support distributed, server-side AI computation.

Companion Group

About Companion Group

We are experts at building Live Service games from concept to post launch.

We understand what it takes to build games that stand the test of time and specialize in cost optimized server architecture, matchmaking, data analytics, security, networking and general multiplayer enablement. We hire and retain the best gameplay engineers in the world.

The Companion Group prides itself on demonstrating knowledge via execution, expanding game studios teams with highly skilled Unreal Engine (C++), Unity (C#) and backend architecture and services engineers.

Our team consists of some of the best developers from some of the biggest companies in the industry. We’re talking former Xbox, Amazon, Google, Tencent, EA, Improbable, Creative Assembly, Supermassive.

Not only are we able to build fully customized solutions from scratch, but we have a deep understanding of the products available on the market, including popular services such as Playfab, Accelbyte and Gamesight as well as some of the lesser known options. So, whether you’re building a complex multiplayer or a deep narrative-driven single player experience, we’re here to help.

Combine all of the above with our low overhead costs and you have the highest quality partner in the industry at a highly competitive rate.

We live our dream every day by working with some of the largest and most successful games studios and publishers in the world.

Industry
Unknown
Company Size
51-200 employees
Headquarters
London, GB
Year Founded
2022
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