{"id":2528671,"url":"https://alion.io/job/companion-group-senior-backend-engineer","title":"Senior Backend Engineer","company":{"id":3856681,"name":"Companion Group","domain":"companiongroup.io","url":"https://alion.io/company/companion-group","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":{"grade":"D","score":40,"open_postings":12,"ghost_share":1,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["DE"],"hiring_countries_total":1,"salary":{"min":50000,"max":70000,"currency":"GBP","period":"year","gross":null,"usd_annual":92700},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"gRPC","optional":false},{"name":"Kubernetes","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"WebSockets","optional":false},{"name":"Azure PlayFab","optional":true},{"name":"CI/CD","optional":true},{"name":"JavaScript","optional":true},{"name":"Nakama","optional":true}],"status":"live","first_seen_at":"2025-08-07T14:59:59Z","employer_posted_date":"2025-08-07","last_verified_at":"2026-10-15T14:21:42Z","board_verified":true,"closed_at":null,"days_open":434,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":433},"description":"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.\nEmbedded 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.\nAs 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.\nRequirements\nResponsibilities:\nBe a part of the technical design and implementation of backend systems for multiplayer online titles, ensuring seamless connectivity and performance.\n\nDevelop and optimize cross-platform authentication systems, matchmaking systems, lobby systems, and scalable server orchestration to enhance player engagement.\n\nArchitect high-performance backend services for real-time gameplay, leveraging C++, C#, Go (Golang), NodeJS\n\nCollaborate with network engineers, gameplay programmers, and DevOps teams to integrate multiplayer features with minimal latency.\n\nProfile, optimize, and scale backend services to ensure reliability, extensibility, and cost-effectiveness.\n\nDevelop robust API services and microservices architectures, facilitating seamless data exchange between game clients and servers.\n\nProvide accurate development estimates, documentation, and reporting to support project planning and execution.\n\nRequired Skills:\nExcellent communication and collaboration skills\n\nStrong problem-solving skills and attention to detail\n\nExcellent programming skills in two or more of the following languages: C++, C#, Go (Golang), NodeJS (C++ and C# preferred)\n\nStrong Experience with at least one of the following Cloud Providers (AWS, Azure, GCP)\n\nStrong understanding of distributed systems and data structures and algorithms (DSA)\n\n5+ years of professional backend development experience (preferably in the game industry)\n\nSolid experience with real-time networking, WebSockets, RPCs, REST APIs, gRPC, etc.\n\nHands-on experience with matchmaking algorithms, player session management, and anti-cheat systems.\n\nDeep understanding of database systems, including SQL & NoSQL solutions (PostgreSQL, Redis, MongoDB, etc.).\n\nStrong grasp of microservices architecture, server orchestration, and containerization (Docker, Kubernetes).\n\nExperience working in high-performance, low-latency environments, optimizing backend logic for multiplayer scalability.\n\nBonus Skills:\nExpertise with modern DevOps practices, CI/CD pipelines, and automated infrastructure management.\n\nExpertise with off-the-shelf GBaaS solutions (e.g. Azure Playfab, AccelByte AGS, Heroic Labs Nakama, Pragma).\n\nExperience with online gaming platforms such as Xbox Live, Playstation Network, Steam, Nintendo Network, or similar\n\nUnderstanding of UE5’s networking framework and Client-Server Game Architecture\n\nRewards:\nCompetitive salary ranging from £50,000 to £70,000 (GBP), reflecting your skills and contribution.\n\nEmbark on a clearly defined career ladder, enabling you to progress in responsibilities and be rewarded accordingly.\n\nEnjoy the flexibility of a fully remote role, collaborating with top game developers from around the world.\n\nJoin forces with industry leaders who will inspire and guide you on your path to success.\n\nApply now and embark on an incredible journey with one of the best game studios in the world!","description_format":"text","description_chars":4077,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Gaming Consoles"],"lifecycle":[{"event":"open","at":"2026-10-14T12:30:05Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long 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