Senior Online Client Engineer

Job not on LinkedIn

🕒 August 8, 2025

🇬🇧 United Kingdom – Remote

💵 £50k - £70k / year

⏰ Full Time

🟠 Senior

👷🏻‍♀️ Engineer

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Companion Group

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2022

🎮 Gaming

🥽 AR/VR

🔌 API

Gaming • AR/VR • API

Companion Group is a game development studio that partners with some of the most ambitious game studios worldwide. They specialize in providing highly skilled developers experienced in Unreal, Unity, and backend systems to enhance development teams and accelerate project timelines. Their focus includes multiplayer game development, game server architecture, and scaling global player bases. Companion Group emphasizes collaboration, supporting existing teams, and offering expertise in creating enriched gaming experiences across various platforms, including PC, console, virtual reality, and mobile.

📋 Description

• Companion Group is a AAA co-development gaming studio with a globally distributed and fully remote setup. • Renowned for its adeptness in overcoming intricate challenges in multiplayer game development. • As a Senior Online Client Engineer, you will be instrumental in shaping various aspects of the online services. • Ensuring an exceptional gaming experience for our client audiences.

🎯 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) • 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 in at least one additional programming-/scripting language (e.g. C#, Node.js, Go, or Lua) • 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.)