Senior Unity Developer/Unity Developer

Position: Senior Unity Developer/ Unity Developer (Multiplayer / Game Networking)Location: Sheffield, England, United Kingdom (Hybrid)Employment Type: Full-time (6 months fixed term contract)Website: Immersive Learning Solutions - AR, VR, MR, XR TrainingSenior Unity Developer (8+ Years Experience)About the RoleWe are looking for an experienced Senior Unity Developer with a deep understanding of multiplayer systems and real-time synchronization to join our immersive technology team. You will lead the architecture, development, and optimization of high-quality, networked Unity experiences across platforms.Key ResponsibilitiesArchitect and implement multiplayer gameplay systems using Photon, Unity Netcode, or similar frameworks.Design scalable client–server interactions, synchronization logic, and latency management strategies.Mentor and guide junior and mid-level developers in multiplayer best practices, performance optimization, and clean architecture.Collaborate with backend engineers to define APIs, matchmaking logic, and cloud-hosted services.Own the network layer performance, ensuring minimal lag, efficient state replication, and smooth gameplay experience.Work closely with designers, QA, and product teams to deliver robust and maintainable multiplayer features.Evaluate new Unity networking stacks, SDKs, and architectural approaches for real-time scalability.Required Skills & Experience8+ years of hands-on Unity development experience (C#).3+ years of direct experience developing and deploying multiplayer experiences (Photon, Mirror, Unity Netcode, or custom networking).Deep understanding of:Client–server architecture and authoritative gameplay design.Network synchronization, lag compensation, and session management.Matchmaking, lobby systems, and voice/data streaming.Strong understanding of object pooling, performance profiling, memory management, and optimization for VR/AR or mobile.Experience with CI/CD pipelines, version control (Git), and project structuring for large-scale Unity projects.Excellent problem-solving, leadership, and communication skills.Nice to HaveExperience with Dedicated Game Servers, PlayFab, AWS GameLift, or Relay services.Exposure to XR/VR environments or immersive training platforms.Familiarity with custom serialization and packet optimization techniques.What We OfferOpportunity to lead multiplayer initiatives in cutting-edge immersive projects.Collaborative, innovation-driven culture.Competitive compensation and growth opportunities.Unity Developer (Mid-Level, 3–8 Years Experience)About the RoleWe are seeking a Unity Developer with strong knowledge of multiplayer game development to contribute to the creation of real-time, interactive 3D experiences. The ideal candidate has practical experience using Photon, Unity Netcode, or other networking frameworks to bring connected gameplay to life.Key ResponsibilitiesDevelop and maintain multiplayer features including player connections, lobby systems, and synchronized interactions.Integrate Photon (PUN / Fusion) or similar frameworks into Unity projects.Collaborate with designers and backend engineers to implement gameplay logic, matchmaking, and data sync.Optimize gameplay for network stability and performance across platforms.Debug and profile network traffic, latency issues, and state replication.Maintain clean, modular, and scalable C# codebases.Required Skills & Experience3–8 years of professional experience with Unity (C#).Strong understanding of multiplayer networking concepts:Room/lobby management, data serialization, and RPCs.State synchronization, authority models, and lag mitigation.Prior hands-on experience with Photon, Mirror, or Unity Netcode (MLAPI).Familiarity with Unity UI, animation, physics, and scene management.Experience with source control (Git) and team-based workflows.Nice to HaveExposure to PlayFab, Relay Services, or dedicated server hosting.Experience building for VR/AR platforms.Interest in AI-assisted gameplay systems or procedural logic.What We OfferWork on high-impact, networked Unity applications in the learning and gaming space.Collaborative team and opportunities to grow into senior / lead roles.Competitive salary and modern tech environment.