Senior Backend Engineer
Companion GroupLondon, United Kingdom
UK50000GBP - 70000GBP
As our Senior Backend Game Engineer, you will be responsible for designing, developing, and maintaining scalable backend systems and services that support our game titles. You will collaborate closely with cross-functional teams to implement robust backend solutions that enhance the gameplay experience and ensure seamless multiplayer functionality.
Responsibilities
- Be a part of the technical design and implementation of backend systems for multiplayer online titles, ensuring seamless connectivity and performance.
- Develop and optimize cross-platform authentication systems, matchmaking systems, lobby systems, and scalable server orchestration to enhance player engagement.
- Architect high-performance backend services for real-time gameplay, leveraging C++, C#, Go (Golang), NodeJS
- Collaborate with network engineers, gameplay programmers, and DevOps teams to integrate multiplayer features with minimal latency.
- Profile, optimize, and scale backend services to ensure reliability, extensibility, and cost-effectiveness.
- Develop robust API services and microservices architectures, facilitating seamless data exchange between game clients and servers.
- Provide accurate development estimates, documentation, and reporting to support project planning and execution.
- Excellent communication and collaboration skills
- Strong problem-solving skills and attention to detail
- Excellent programming skills in two or more of the following languages: C++, C#, Go (Golang), NodeJS (C++ and C# preferred)
- Strong Experience with at least one of the following Cloud Providers (AWS, Azure, GCP)
- Strong understanding of distributed systems and data structures and algorithms (DSA)
- 5+ years of professional backend development experience (preferably in the game industry)
- Solid experience with real-time networking, WebSockets, RPCs, REST APIs, gRPC, etc.
- Hands-on experience with matchmaking algorithms, player session management, and anti-cheat systems.
- Deep understanding of database systems, including SQL & NoSQL solutions (PostgreSQL, Redis, MongoDB, etc.).
- Strong grasp of microservices architecture, server orchestration, and containerization (Docker, Kubernetes).
- Experience working in high-performance, low-latency environments, optimizing backend logic for multiplayer scalability.
- Expertise with modern DevOps practices, CI/CD pipelines, and automated infrastructure management.
- Expertise with off-the-shelf GBaaS solutions (e.g. Azure Playfab, AccelByte AGS, Heroic Labs Nakama, Pragma).
- Experience with online gaming platforms such as Xbox Live, Playstation Network, Steam, Nintendo Network, or similar
- Understanding of UE5’s networking framework and Client-Server Game Architecture
View all remote jobs at Companion Group →
FAQ
- Is the Senior Backend Engineer position at Companion Group remote?
- Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
- What is the salary for the Senior Backend Engineer role?
- The posted salary range for this position is 50000GBP - 70000GBP.
- When was this Senior Backend Engineer job posted?
- This listing was posted on September 3, 2025 and is still open for applications.
- How do I apply for the Senior Backend Engineer position at Companion Group?
- Use the apply button on this page — it takes you directly to the employer’s application page.
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