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 Training

Senior Unity Developer (8+ Years Experience)

About the Role

We 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 Responsibilities

• Architect 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 & Experience

• 8+ 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 Have

• Experience 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 Offer

• Opportunity 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 Role

We 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 Responsibilities

• Develop 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 & Experience

• 3–8 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 Have

• Exposure 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 Offer

• Work 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.