We are looking for an experienced Unity Multiplayer Game Developer who can build and integrate a Unity game into an existing Flutter mobile application (Android & iOS). This role requires strong expertise in Unity game development, multiplayer networking, and Unity–Flutter integration using supported embedding methods. Responsibilities Develop a real-time multiplayer game using Unity Implement multiplayer networking (Photon / Mirror / Netcode for GameObjects / similar) Optimize game performance for mobile platforms Export Unity as a library/module and integrate it with a Flutter app Handle two-way communication between Flutter and Unity Collaborate with Flutter developers to ensure smooth UI and navigation Fix bugs, improve stability, and optimize gameplay performance Ensure compatibility for Android & iOS Required Skills Strong experience with Unity (C#) Proven experience in multiplayer game development Knowledge of multiplayer frameworks: Photon (PUN / Fusion) Mirror Unity Netcode Experience integrating Unity with: Flutter Android (Unity as Library) iOS (Unity Framework) Understanding of mobile performance optimization Familiarity with REST APIs / Firebase / WebSockets (plus) Git version control experience Preferred (Bonus Skills) Experience with Firebase / PlayFab / custom backend Experience in real-time chat, matchmaking, or leaderboards Prior work on social / casual / real-time multiplayer games Experience working with startup or MVP-based projects Project Details Platform: Android & iOS Frontend App: Flutter Game Engine: Unity Game Type: Multiplayer (real-time / online) Engagement: Contract / Long-term (if performance is good)