Senior UI Engineer

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.

Senior Game Developer

As a Senior Game 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, 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.

Responsibilities

• 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 challenging problems
• 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

Qualifications

• 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, 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 such as 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, Utility AI 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