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Senior Unity 6 Developer / Game Development Team Needed for Large-Scale Multiplayer Project Project Overview We are seeking an experienced Unity 6 developer or development team to help build an ambitious large-scale multiplayer game for iOS and Android. The project combines open-world gameplay, multiplayer systems, progression mechanics, dynamic events, AI-driven systems, backend-connected features, and live-service functionality. At this stage, we are intentionally keeping specific gameplay concepts confidential. Full project details will be shared with shortlisted candidates during the interview process. We are looking for developers who have experience building scalable game systems and who can contribute to both architecture and implementation. ⸻ Requirements Essential Experience * Unity 6 * C# * Multiplayer game development * Mobile game development (iOS and Android) * Backend integration * Database systems * Performance optimization * Game architecture and system design Preferred Experience * Open-world environments * Live-service games * Dedicated servers * Real-time networking * AI systems * Player progression systems * Character systems * Economy systems * Cross-platform development ⸻ Scope of Work The selected developer/team will assist with: * Core gameplay systems * Multiplayer architecture * Character systems * World systems * Event systems * Economy systems * Backend services * Data synchronization * Live-service infrastructure * Mobile optimization * Scalability planning ⸻ Admin Platform Requirements The project requires a professional web-based administration platform that allows game operators to manage and control the game environment without requiring application updates for every change. The administration platform should include: Player Management * Search players * View player profiles * Edit player information * Suspend players * Ban players * Remove players * Restore accounts * Manage player inventory * Manage player progression Reward Management * Grant rewards * Distribute in-game currency * Distribute resources * Distribute items * Grant event rewards * Create compensation packages Content Management * Add new content * Activate content * Deactivate content * Schedule content releases * Configure live events * Configure seasonal content Economy Management * Manage currency values * Adjust rewards * Adjust pricing * Configure economic parameters * Monitor economic activity Event Management * Create events * Schedule events * Launch live events * Configure event rewards * Manage event participation Tournament Management * Create tournaments * Schedule tournaments * Configure tournament rules * Assign rewards * Track standings * Publish results Analytics Dashboard * Active users * Retention metrics * Revenue metrics * Engagement metrics * Event performance * System monitoring Communication Tools * Send announcements * Send notifications * Broadcast messages * Manage community alerts Security & Audit * Role-based permissions * Admin access levels * Action logging * Audit history * Security controls ⸻ What We Need From Applicants Please include: 1. Portfolio 2. Relevant Unity projects 3. Multiplayer experience 4. Team size (if applicable) 5. Availability 6. Hourly rate 7. Previous live-service or multiplayer projects ⸻ Important Certain systems, mechanics, and unique gameplay features are confidential and will only be discussed with serious candidates during interviews. We are seeking long-term collaboration with highly skilled professionals capable of building a scalable commercial product. To confirm that you have read this posting, begin your proposal with: “VALHALLA”
Project ID: 40481051
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41 freelancers are bidding on average $8 USD/hour for this job

Hey there, I have carefully reviewed your project requirements. With over 10+ years of experience in game development, I have built and delivered high-quality games across multiple platforms, focusing on performance, scalability, and engaging player experiences. My expertise includes Unity, Unreal Engine, C#, C++, multiplayer systems, game mechanics, UI/UX for games, in-app purchases, and third-party SDK integrations—all highly relevant to building polished and production-ready games. I would love the opportunity to discuss your game idea in detail and collaborate on bringing it to life with a strong technical foundation and engaging gameplay. Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. NOTE: Please consider the current budget as flexible — we can finalize it after discussing the complete scope and feature set. Thanks & Regards, Kajal
$15 USD in 40 days
7.2
7.2

VALHALLA Hi, We have experience with Unity multiplayer systems, mobile game development, backend infrastructure, live-service architecture, and scalable admin platforms. Our team can assist with: • Unity 6 multiplayer development • Backend & database integration • Economy, progression, and event systems • Live-service infrastructure • Mobile optimisation for iOS & Android • Web-based admin dashboard with player, rewards, analytics, and event management Recommended stack: • Unity 6 + C# • Photon Fusion / Dedicated Servers • ASP.NET Core or Node.js backend • PostgreSQL / PlayFab / Firebase We’re available to discuss architecture, scalability planning, and long-term collaboration. Regards Interconnect Team
$8 USD in 40 days
6.9
6.9

Hello, VALHALLA I have carefully reviewed your requirements and understand you need an experienced Unity 6 developer/team for a large-scale multiplayer mobile game with scalable architecture, backend services, live-service infrastructure, progression systems, economy management, and a comprehensive administration platform. With 9+ years of experience in Unity multiplayer development, I specialize in C#, mobile games, backend integration, real-time networking, scalable architectures, economy systems, AI-driven gameplay, and live-service features. My team and I have experience building production-ready multiplayer systems with a strong focus on performance, maintainability, and long-term scalability. You will get: Quality optimized work 100% client satisfaction Fast delivery Suitable pricing Unlimited revisions Complete NDA & IP protection (project security is our top priority) Estimated delivery You will receive scalable multiplayer architecture, backend-connected gameplay systems, live-service infrastructure, admin tools integration, optimized mobile performance, clean source code, and long-term development support. Come inbox & I will share relevant Unity multiplayer, backend, and live-service portfolio projects. Let’s get started. Best regards, Sohaib Pasn Games
$5 USD in 40 days
6.8
6.8

Hi there, This project instantly caught my eye, so I had to reach out. The need for a skilled Unity 6 developer or team for a large-scale multiplayer game is intriguing. Your focus on clean, professional, and seamless game development aligns perfectly with my expertise in Unity, multiplayer systems, and backend integration. I specialize in building scalable game systems and can contribute to both architecture and implementation. My commitment to speedy communication and fast turnaround makes me the right fit for this project. Let me know if you are available for a quick chat! Regards, Aashiq
$4 USD in 7 days
4.8
4.8

With a solid background in Unity 6 development and multiplayer game systems, I understand the complexities of your large-scale project. Can you share more insights into the desired player interaction dynamics for this ambitious game? Regards, Yogesh Kumar
$6 USD in 37 days
4.5
4.5

VALHALLA Hello There! Hope you are doing fine. I am a senior Unity developer with 8+ years of experience in multiplayer and mobile games. I have built scalable game systems, backend integrations, live‑service infrastructure, and admin platforms similar to your requirements. I can work full‑time and contribute to architecture, gameplay, networking, and the web‑based admin dashboard. My hourly rate is $25. I have experience with Unity 6, C#, dedicated servers, real‑time networking, player progression, economy systems, and analytics. I can share my portfolio and relevant projects in chat. Please start a chat to discuss your project in more detail. Best regards, Md Ruhul Ajom
$5 USD in 40 days
4.8
4.8

༺❖༻ VALHALLA ༺❖༻ Dear Client, Thanks for posting about my specialist job area. Your requirements perfectly match my experience in Unity, C#, multiplayer game development, backend integration, scalable architecture, and live-service systems. I have worked on large-scale applications involving real-time synchronization, player progression, economy systems, event management, cloud-connected services, and cross-platform mobile deployments. For your project, I can contribute to the design and implementation of multiplayer architecture, world systems, progression mechanics, backend-connected gameplay, live events, economy balancing, and mobile optimization for both iOS and Android. I also have experience building web-based administration platforms with player management, reward distribution, analytics dashboards, event scheduling, role-based permissions, audit logging, and operational tools that allow game teams to manage content without requiring application updates. I focus on scalable architecture, maintainable code, performance optimization, security, and long-term product growth. From dedicated server communication and database integration to live-service infrastructure and content management systems, I understand the requirements of commercial multiplayer products that must support future expansion. I would be happy to discuss the project vision, technical architecture, development roadmap, timeline, and long-term collaboration opportunities. Best regards.
$8 USD in 40 days
2.4
2.4

Hi there. After reviewing your project, I can already see what success looks like here, and I have a clear approach to help move this forward efficiently. I understand the importance of confidentiality around specific gameplay concepts and appreciate the need for a professional web-based administration platform. When considering the scalability of the game, one practical consideration is ensuring that the backend services can handle the expected player load seamlessly. Could you please provide more details on the expected peak player count and concurrent users to help tailor the architecture for optimal performance? Regards, Riyaaz
$5 USD in 7 days
2.4
2.4

Hi, There. I have carefully reviewed the project details and am excited about the opportunity to collaborate on this ambitious large-scale multiplayer game development project. My experience aligns perfectly with your requirements, as I have a proven track record in Unity 6 development, C# programming, and multiplayer game development for both iOS and Android platforms. I have successfully integrated backend systems, optimized performance, and designed scalable game architectures in the past. I understand that your goal is to create a dynamic and immersive gaming experience that engages players through open-world gameplay, AI-driven systems, and live-service functionality. I believe my expertise in building scalable game systems and my focus on architecture and implementation can contribute significantly to achieving this goal. I am confident in my ability to deliver a responsive and scalable solution that meets the demands of your project. One question I have is: How do you envision player progression being integrated into the overall gameplay experience to enhance player engagement and retention? Let's discuss this further. Thank you. Filip
$5 USD in 40 days
1.1
1.1

VALHALLA Hello, I'm a Senior Software Engineer with experience in Unity, C#, multiplayer systems, backend development, databases, AI integrations, and scalable application architecture. I've built complex web, mobile, and real-time systems and can contribute to both technical design and implementation. I can assist with multiplayer architecture, backend services, data synchronization, live-service infrastructure, admin dashboards, analytics, and scalability planning. I also have strong experience building secure web-based management platforms with role-based access control and monitoring tools. Available for long-term collaboration and happy to discuss the project in detail under NDA. Looking forward to learning more about the vision and technical requirements. Best regards, Mykola
$5 USD in 40 days
0.9
0.9

❤️❤️❤️ Wishing you a wonderful day ❤️❤️❤️ VALHALLA! As a multidisciplinary developer, I'm well-prepared to take on the challenges of your Unity 6 project. I've successfully built scalable and secure products for industries like Healthcare and LegalTech, which parallel your needs for a large-scale multiplayer game with dynamic events, backend-connectivity, and live-service functionality. Not only will my proficiency in Unity 6 and C# enable me to contribute comprehensively to the implementation and architecture of your game, but my experience in mobile (iOS and Android) game development, database systems as well as performance optimization align directly with your thrust. Moreover, my background corroborates my ability to handle the open-world environments, real-time networking, AI systems, player progression systems, character systems and economy systems that you value. My understanding of cross-platform development will ensure an iOS and Android optimized gaming experience without compromising functionality. Lastly, my broad skills in building web-based administration platforms equip me perfectly for creating a professional tool for game management. From player management to analytics dashboard and everything in-between - I have the expertise needed to meet your requirements diligently. To validate the extent of my abilities for this project, please review not just my portfolio but specifically check out any live-service or multiplayer projects as asked. I am eager Thank
$50 USD in 28 days
0.0
0.0

I understand you need a Unity 6 developer for a large-scale multiplayer iOS and Android game, focusing on open-world, progression, dynamic events, AI, and backend integration. I have successfully delivered a complex multiplayer combat system for a mobile title that handled hundreds of concurrent players. My approach will involve building core systems in C# within Unity 6, integrating with a backend solution like PlayFab for player data and multiplayer matchmaking, and implementing AI behaviors using Unity's NavMesh and custom state machines. The result will be a functional, networked core loop for your game, ready for further content integration. What is the target player concurrency you are aiming for in the initial launch phase? Ready to start as soon as you confirm scope.
$25 USD in 7 days
0.0
0.0

Hi, I have done a similar project before where I used Unity 6 and C#. I’m an experienced full-stack developer with strong expertise in Unity 6, C#, multiplayer game development, mobile game development (iOS and Android), backend integration, and game architecture. Your project is very achievable within the listed budget and aligns well with my experience in Unity 6 and C#. I will deliver: • Core gameplay systems • Multiplayer architecture • Character systems • World systems • Event systems Recommended stack: • Unity 6 • C# • Multiplayer networking • Mobile optimization Estimated timeline: 12-16 weeks depending on final gameplay complexity. Regards, Kurt Siebritz
$4 USD in 7 days
0.0
0.0

I have a skilled Unity 6 development team ready to tackle your large-scale multiplayer project. We’ve successfully delivered complex multiplayer games with seamless network synchronization and optimized performance. Our team emphasizes clean, scalable code and robust server-client architecture to ensure smooth gameplay and easy future updates. Quick question before I suggest an approach: Are you looking for full-cycle development or support on specific multiplayer features?
$5 USD in 7 days
0.0
0.0

I recently helped a client achieve their project goals successfully. We've built a platform for seamless and integrated service businesses. I understand the need for a clean, professional, and user-friendly Unity 6 game development team for a large-scale multiplayer project. Our team specializes in Unity 6, C#, multiplayer game development, mobile game development, backend integration, and game architecture. We have 75+ 5-star reviews on similar projects and rank in the top 1% among 75 million users! The worst you could get is a free consultation. Regards, Camron
$4 USD in 7 days
0.0
0.0

VALHALLA! With 10+ years of experience, my expertise in building scalable web and mobile products can greatly benefit your large-scale multiplayer game project. I have a strong command of Unity 6, C#, and multiplayer game development, which are essential components for your game. Moreover, being well-versed in mobile game development for iOS and Android, backend integration, database systems, and performance optimization makes me adept at addressing specific features your project requires. Having developed SaaS platforms and API integrations in my previous projects also showcases my competency in building the professional web-based administration platform you need. From player management to analytics dashboard, I fully understand your requirements. My skills in managing currency values, adjusting rewards, configuring economic parameters align with your needs to build and maintain an efficient economy system.
$5 USD in 40 days
0.0
0.0

❌✋❌STOP❌✋❌ VALHALLA **1. Main Problem Diagnosis** This is a live-service multiplayer architecture problem, not just Unity gameplay. The main risk is designing client-side systems that later conflict with server authority, especially for economy, progression, and real-time events under mobile performance constraints. **2. Implementation Direction** I’ll structure Unity 6 with modular gameplay systems separated from networking and progression logic to avoid tight coupling. Multiplayer will be built around authoritative backend control for inventory, currency, and events to prevent desync and exploits. The admin platform will expose secure role-based APIs for player management, rewards, events, and analytics, enabling real-time game control without client updates. Event and economy systems will be fully server-driven, with optimized state sync instead of heavy polling to maintain mobile performance. **3. Risk Reduction** I’ll enforce server authority for all critical game data to prevent duplication and cheating. System boundaries will be clearly defined early to avoid refactoring later. Audit logs, permission layers, and structured data validation will ensure safe live operations. **4. Execution Confidence Close** I can start immediately after design confirmation and deliver a scalable multiplayer foundation with production-ready admin control systems.
$3 USD in 20 days
0.0
0.0

This project perfectly matches my expertise and your vision for a seamless, polished user experience that integrates social networking with real-time audio streaming. I bring extensive industry experience building scalable, high-performance platforms designed for smooth interaction and reliable operation. Though new to Freelancer, my proven track record spans similar sophisticated projects off-platform—please review my portfolio for examples. I’m confident in delivering a solution that exceeds your expectations and would welcome a free consultation to discuss your goals in detail. Looking forward to collaborating and bringing your vision to life!
$4 USD in 14 days
0.0
0.0

VALHALLA I've read through your project description carefully, and this is exactly the kind of work I'm passionate about. I have hands-on experience with Unity 6, C#, and building multiplayer systems for mobile platforms. I've worked on real-time networking, backend integration, and designing game architectures that scale. I understand what it takes to build live-service games - not just launching them, but keeping them running smoothly for players over time. Your admin platform requirements are clear and well-defined. I've built similar dashboards before — player management, economy controls, event systems, analytics. I know how to design these tools so operators can move fast without touching the codebase. I work well in long-term collaborations. I'm not here to deliver a module and disappear. I want to be part of building something that lasts. I'm happy to sign an NDA and discuss the confidential systems during the interview. I'm confident I can contribute meaningfully once I understand the full picture. Looking forward to the conversation. Ensarhan Team size: Solo
$5 USD in 40 days
0.0
0.0

I am a perfect fit for your project. Your need for a scalable multiplayer architecture with seamless backend integration and live-service infrastructure aligns with my focus on clean implementation and efficient mobile optimization. While I am new to Freelancer, I have strong experience and have delivered similar solutions outside the platform, including multiplayer game systems, backend data synchronization, and player management tools. I offer a free consultation to better understand your project requirements and propose the best technical approach to ensure scalability and robust game architecture. I would love to chat more about your project! Regards, Sonny Dube
$4 USD in 14 days
0.0
0.0

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