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 Online Client Engineer, you will be instrumental in shaping various aspects of the online services, contributing to the overall vision of our projects, and ensuring an exceptional gaming experience for our client audiences. Your expertise in multiplayer gaming will play a pivotal role in designing and implementing engaging multiplayer functionalities.
Requirements:
Excellent communication and collaboration skills
Strong problem-solving skills and attention to detail
5+ years of experience in the Unreal Engine
Deep expertise in integrating GBaaS solutions (e.g., Azure Playfab, AccelByte AGS, Heroic Labs Nakama, Pragma). Preferably, Microsoft Azure PlayFab.
Excellent understanding of UE5’s networking framework and Client-Server Game Architecture
Excellent C++ programming skills, including proficiency in modern C++ standards (C++17 and C++20)
Experience in at least one additional programming-/scripting language (e.g. C#, Node.js, Go, or Lua)
Familiarity with cross-platform multiplayer game development (PC/Console)
Strong experience with at least one (1) online gaming platform such as Xbox Live, PlayStation Network, Steam, Nintendo Network, or similar
What makes you stand out:
Experience developing sign-in flows, matchmaking, progression systems, user-generated content (UGC) and downloadable content (DLC) systems, and leaderboards
Experience with Epic Online Services (EOS)
Familiarity with integrating other online services (e.g., Toxicity Management Platforms, VoIP solutions, etc.)
Experience in developing custom game backend solutions
Experience with one or more Cloud Providers (AWS, Azure, GCP, etc.)
Benefits:
Competitive salary range of £50,000 - £70,000 (GBP).
Clear career progression path with opportunities for advancement, increased responsibilities, and compensation.
Fully remote position, allowing flexibility to work from any location while collaborating with industry-leading game developers.
Access to mentorship and guidance from experienced professionals in the gaming industry.
Opportunity to be part of a passionate and dynamic team working on exciting projects.
Apply now and embark on an incredible journey with one of the best game studios in the world!

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.