Senior AI Engineer

Companion Group; Remote; GBP 70,000 - 90,000; Full time

Job summary

A leading gaming studio in Greater London is seeking a Senior AI Developer to craft exceptional multiplayer experiences. You will collaborate with developers, designers, and artists to optimize performance and build robust systems in C++. Candidates should have over six years of experience with Unreal Engine and strong skills in C++ programming and data structures. This fully remote position emphasizes clear communication and teamwork, making it ideal for tech enthusiasts aiming to impact game development significantly.

Qualifications

• 6+ years of experience in the Unreal Engine.
• Experience with at least one proprietary game engine (C/C++ OOP/ECS).
• Deep understanding of Client-Server Game Architecture.

Responsibilities

• Architect, implement, and refine multiplayer-ready gameplay systems.
• Produce elegant, efficient, and maintainable C++ code.
• Collaborate with cross-functional teams to deliver innovative gameplay experiences.

Skills

Excellent communication and collaboration skills

Strong problem-solving skills and attention to detail

Deep expertise in common data structures and algorithms

Tools

Unreal Engine

C++

Online Services (e.g. Azure Playfab)

Job description

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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 Developer, you'll be at the heart of crafting exceptional multiplayer experiences. You will work closely with a talented team of developers, designers, and artists to build robust systems, optimize performance, and deliver seamless networked gameplay. Your expertise will drive critical aspects of our technology stack, ensuring players enjoy smooth, immersive, and memorable experiences.

• Architect, implement, and refine cutting‑edge multiplayer‑ready gameplay systems in and outside of the Unreal Engine
• Produce elegant, efficient, and maintainable C++ code
• Leverage expert‑level understanding of data structures and algorithms to solve interesting challenges
• Collaborate with cross‑functional teams to deliver innovative gameplay experiences
• Contribute to the development of scalable and robust networking solutions
• Tackle and resolve intricate technical hurdles in complex multiplayer games
  • Excellent communication and collaboration skills
  • Strong problem‑solving skills and attention to detail
  • 6+ years of experience in the Unreal Engine
  • Experience with at least one proprietary game engine (C/C++ OOP/ECS)
  • Deep understanding of Client‑Server Game Architecture (e.g. Client‑side prediction, Server reconciliation, Lag compensation, Entity Interpolation etc.)
  • Excellent C++ programming skills, including proficiency in modern C++ standards (C++17 and C++20) and their application in diverse contexts beyond Unreal Engine, such as systems programming, network programming, etc.
  • Deep expertise in common data structures and algorithms (DSA)
  • Experience with Online Services (e.g. GBaaS solutions (e.g. Azure Playfab, AccelByte AGS), Custom Game Backend Integration/Development, Toxicity Management Platforms, etc.)
  • Experience with UE's Gameplay Abilities System (GAS)

What makes you stand out

• Experience with Entity Component Systems (ECS) (e.g. flecs.dev)
• Experience with AI (Behaviour Trees, State Trees, UtilityAI Systems)
• Experience with one or more Cloud Providers (AWS, Azure, GCP, etc.)
• Familiarity with scripting languages and tools development (e.g. Lua, Python, Javascript)
• Familiarity with one other programming language (e.g. Rust, Golang)
• Experience with Host‑Migration and Seamless‑Server Transitions