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 Animation Engineer, 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, optimise 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 animation 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 animation 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
Skills Required
- Excellent communication and collaboration skills
- Strong problem-solving skills and attention to detail
- 6+ years of experience with Unreal Engine
- Experience with at least one proprietary game engine using C/C++ and object-oriented programming or ECS
- Deep understanding of client-server game architecture, including client-side prediction, server reconciliation, lag compensation, and entity interpolation
- Excellent C++ programming skills, including modern C++17 and C++20 standards
- Experience with systems programming or network programming beyond Unreal Engine
- Deep expertise in common data structures and algorithms
- Experience with online services, game backend integration, or toxicity management platforms
- Experience with Unreal Engine Gameplay Ability System
- Experience with Entity Component Systems
- Experience with AI systems such as Behaviour Trees, State Trees, or Utility AI
- Experience with AWS, Azure, GCP, or another cloud provider
- Familiarity with Lua, Python, JavaScript, or development scripting tools
- Familiarity with Rust or Golang
- Experience with host migration and seamless server transitions
What We Do
Companion Group is a fully remote, employee-owned game development studio specializing in multiplayer and live-service experiences. It embeds senior engineering, design, and production specialists into client teams to deliver backend and gameplay features, online services, Unreal Engine networking, gameplay systems, cloud infrastructure, automation, and game-server operations. Headquartered in London, the company supports studios across Europe and the Americas, including AAA partners worldwide.









