Hire the Best Buildbox Video Game Developers

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Atif W.

Senior Unity Game Developer | Android & iOS | AR VR | C#

Lahore, Pakistan
$7 per hour
7 jobs
$1K+ total earnings

🎮 Want your Unity game to run smoothly, look professional, keep players engaged, and be ready for launch? I help clients turn game ideas, prototypes, and existing Unity projects into polished, optimized, and release-ready games. My focus is not just getting a game to work — it’s making sure the final product feels smooth, performs reliably, and is built to scale. With 5+ years of Unity development experience, I specialize in Unity + C# development with a strong focus on mobile performance, gameplay systems, optimization, and clean architecture. I work with both new projects and existing codebases, helping clients build, fix, improve, and finish their games. ✅ What I can help you with: 🎮 Full Game Development From prototype and core mechanics to polishing, testing, and final release. 📱 2D & 3D Mobile Games Optimized for Android and iOS, with attention to performance across different devices, including low-end hardware. 🚗 Multiple Game Genres Racing, driving, simulation, animal & wildlife, shooting, action, puzzle, match-3, hyper-casual, and more. ⚙️ Gameplay & Systems Player controllers, combat, weapons, AI, missions, progression, level systems, rewards, save systems, and more. 🌐 Online & Offline Features Multiplayer functionality, offline gameplay systems, connectivity, data persistence, and third-party service integration. 🐛 Bug Fixing & Project Improvement I can jump into an existing Unity project, identify issues, fix bugs, improve systems, and bring the project closer to a polished final state. 🚀 Performance Optimization FPS optimization, memory management, loading improvements, CPU/GPU optimization, and performance tuning for mobile devices. 🎨 UI/UX & Polish Menus, HUDs, shops, settings, tutorials, progression screens, and gameplay UI improvements. 🔌 SDK & Services Integration Firebase, Ads, IAP, authentication, analytics, and other third-party Unity integrations. 📦 Android & iOS Builds APK/AAB builds, platform configuration, testing, and preparation for store release. Why work with me? ✅ 5+ years of Unity development experience ✅ Strong focus on mobile optimization ✅ Clean, maintainable C# code ✅ Comfortable with both new and existing projects ✅ Full development support from idea → development → optimization → release Whether you’re starting a new game, fixing a struggling project, adding new features, or preparing for launch, I can help turn it into a stable and polished product. 💬 Have a game idea or an existing Unity project? Send me your requirements and let’s discuss how we can build, improve, and get your game ready for players.

Klein B.

Unity Expert

São Leopoldo, Brazil
$30 per hour
149 jobs
$400K+ total earnings

I’m a Unity Game Developer with 100+ Unity-based games, mobile games, video games, AR/VR applications, and interactive experiences built from scratch for startups, small businesses, and enterprise clients. As a Unity developer, I’ve worked on Game Development, Mobile Game Development, Video Game Software, AR & VR Development, Augmented Reality, Virtual Reality, Photon Unity Networking, and cross-platform projects for iOS, Android, PC, Windows, Steam, and VR devices. 𝙃𝙤𝙬 𝙄 𝘾𝙖𝙣 𝙃𝙚𝙡𝙥 𝙔𝙤𝙪: 1️⃣ Unity Game Development: I build complete Unity games and mobile games with smooth gameplay mechanics, clean scenes, engaging UI, strong performance, and scalable project structure. 2️⃣ Mobile Game Development: I develop mobile games and interactive apps for iOS and Android using Unity and C#, making sure the game runs smoothly across smartphones, tablets, and mobile platforms. 3️⃣ AR/VR Development: I create AR applications, Augmented Reality experiences, Virtual Reality projects, and AR & VR interactive solutions for training, education, entertainment, simulation, and business use. 4️⃣ Online Multiplayer & Photon Unity Networking: I can integrate multiplayer features, real-time gameplay, user systems, matchmaking, and online game functionality using Photon Unity Networking and Unity multiplayer tools. 5️⃣ Bug Fixing, Optimization & Game Improvement: I fix bugs, clean up Unity projects, improve performance, reduce load times, optimize gameplay, and make existing games feel smoother, faster, and more polished. 6️⃣ Game Prototypes & Full Builds: I help turn ideas into playable game prototypes, MVPs, demos, and complete video games ready for testing, pitching, or launch. 𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: 🔹 Built 100+ Unity games, mobile games, AR/VR apps, and interactive applications. 🔹 Delivered a Unity mobile game with 50,000+ downloads. 🔹 Improved Unity game performance by up to 40% through debugging and optimization. 🔹 Integrated AR/VR features and Photon Unity Networking multiplayer systems in 20+ projects. 🔹 Built game prototypes that helped startups present their ideas, test gameplay, and attract investor interest. 🔹 Worked with designers, developers, and business teams to deliver polished, scalable Unity projects on time. 𝙀𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚: 🔹 Game Engines: Unity, Unity3D, Game Engine, Video Game Software 🔹 Game Development: Game Development, Mobile Game Development, Video Game, Game, Mobile Game 🔹 AR/VR: AR & VR, AR/VR Development, Augmented Reality, Virtual Reality, AR Applications, AR/VR Devices & Platforms 🔹 Multiplayer: Photon Unity Networking, online multiplayer, real-time gameplay systems 🔹 Platforms: iOS, Android, PC, Microsoft Windows, Steam, VR devices, smartphones, tablets 🔹 Tools & Languages: C#, Unity Editor, Visual Studio, Git, debugging tools, asset management 🔹 Services: Bug fixing, performance optimization, game prototypes, gameplay systems, UI, animations, project cleanup, and full Unity development The best way to start is with a free call and a quick review of your Unity game, mobile game, or AR/VR project needs. Send me a message, and I’ll help you figure out the best next step.

Erad A.

Unity Game Developer | 2D Mobile Game Developer

Khanewal, Pakistan
$20 per hour
18 jobs
$7K+ total earnings

🏆 TOP-RATED GAME DEVELOPER | UNITY & MULTIPLAYER EXPERT 🏆 Hire a Unity developer who doesn’t just write code but also creates engaging gameplay experiences. Let’s build something great together! With 4+ years of experience in game development, I specialize in game development using Unity, with expertise in multiplayer systems like Netcode and gameplay mechanics. Whether it’s an indie game or a complex multiplayer project, I bring ideas to life with engaging gameplay and smooth player experiences. I also collaborate with a game artist through our small indie game studio Fivoria, which allows us to handle both development and game art when projects require it. I'm here to develop your game, whether it's a dream game or a way to earn from ads. Unity3D: --------- ✔ Develop a 2D or 3D Unity Game from scratch ✔ Game Design ✔ Reskinning of Games ✔Add new features ✔ Creating adaptive UI ✔ Animations: 2D animation, UI animation ✔ Graphics: Lightning, Shaders, Post processing effects ✔ Unity Third-Party plugins ✔ In-App purchasing (Consumable, non-consumable) ✔ Ads Integration: UnityAds, Admob ✔ Unity Multiplayer (Netcode, Lobby, Relay) ✔ Debugging and optimization (code and assets) ✔ Bug Fixing/ Maintenance ✔ Version Control Management: Github, SourceTree ✔ Testing (As a dedicated gamer, I can provide valuable feedback) Why Choose Me: ---------------------------------------------------------------------- 🌟 In search of a perfectionist? I will do your tasks with the utmost diligence and attention, all to build a solid reputation. 🌟 24/7 Availability 🌟 Flexible Revisions/Edits - ensuring the end result aligns perfectly with your vision. 🌟 Rapid Prototyping - so you can give input before I start the main work. 🌟 Structured Approach - organized and adaptable program codes, setting the foundation for future game expansions. Please find my 🏆Unity Certified Programmer🏆 certification attached below verified by CREDLY. This certification serves as a testament to my proficiency and expertise in Unity Game Development. Feel free to send an INVITATION, and you can assess my capabilities through the proposal I will submit for your project.

Abhishek P.

Unity Game Developer | Mobile & Multiplayer Games

Surat, India
$10 per hour
79 jobs
$40K+ total earnings

Need a Unity developer to build your game, add multiplayer features, or improve an existing project? I’m a Top Rated Unity developer with $30K+ earned on Upwork and 5+ years of professional experience. I help clients develop mobile, PC, and WebGL games, from prototypes and gameplay systems to optimization and release preparation. I can help with: • Unity 2D and 3D gameplay development • Multiplayer systems using Photon, Mirror, and Netcode • Mobile, PC, and WebGL performance optimization • API integration, backend connectivity, and SocketIO • UI implementation, animation, and visual effects My portfolio includes cooking, chess, racing, puzzle, and multiplayer card games. I combine development and game design to build responsive gameplay with clear, maintainable project structure. Send me your game concept or current project, target platform, and the main feature or problem you need help with. We can define a practical first milestone.

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What does a Buildbox video game developer do?

A Buildbox video game developer creates interactive mobile games using the visual scripting interface of Buildbox 3. This role focuses on connecting logic nodes to define gameplay mechanics rather than writing traditional code lines. The developer configures user interfaces, sets up monetization systems, and prepares assets for final compilation. They export projects from the Buildbox environment and compile them into installable files for iOS or Android stores.

  • The developer builds game logic by connecting nodes on the Mind Map and adding event or lock logic within UI node workspaces. They define object and character behavior through Node Map action nodes that handle collisions, health tracking, and defeat outcomes. This visual approach allows for rapid iteration of dynamic game flow without manual syntax coding.
  • The developer sets up user interface elements and logic so the game flow responds correctly to player actions and events during a session. They configure ad placements and in-app purchase options using specific monetization nodes and ad settings provided by the platform. This work ensures that rewarded videos and banner ads appear at intended moments without disrupting core gameplay loops.
  • The developer optimizes and prepares assets such as atlases and audio files before exporting the project for target platforms. They use tools like the Atlas Editor to reduce file sizes and remove unused sound objects to improve performance. After optimization, they set unique bundle IDs in Project Settings and run the export function to generate a project folder. Finally, they compile the output in Xcode for iOS or Android Studio for Android to create APK or AAB files ready for store submission.

How to hire a Buildbox video game developer on Upwork

Step 1: Post a job

Describe your game concept and target platforms to attract qualified candidates. The Job Post Generator powered by Uma™, Upwork's Mindful AI drafts a complete post from a few sentences of your input. You can write a new post, update a saved draft, or reuse an existing post to save time.

  • Specify whether you need logic built on the Mind Map or behavior defined via Node Map action nodes for collisions and health systems.
  • List required monetization features such as rewarded video nodes, banner placements, or in-app purchase configurations tied to specific assets.
  • State if the freelancer must compile final builds in Xcode for iOS or Android Studio for Google Play submission.

Step 2: Evaluate candidates

Review portfolios for exported project folders and compiled APK or AAB files that demonstrate clean node structures. Uma runs instant video interviews and builds shortlists with side-by-side comparisons to help you assess technical fit quickly.

  • Look for evidence of asset optimization using Buildbox Tools like Atlas Editor to reduce file size before export.
  • Check for configured monetization setups that show ad nodes correctly attached to UI elements without breaking game flow.
  • Verify experience with platform-specific compilation steps such as setting unique bundle IDs in Project Settings for App Store approval.

Step 3: Interview your top choices

Discuss their approach to connecting game nodes and handling event logic within UI workspaces. Schedule and conduct interviews within Upwork Messages to receive an immediate transcript and summary after each session.

  • Ask how they manage defeat outcomes and character behavior through specific action nodes on the Node Map.
  • Request examples of how they optimize atlases and remove unused sound objects to improve performance on mobile devices.
  • Confirm their process for generating exported project folders and handing off code for external compilation in Android Studio or Xcode.

Step 4: Agree on scope and begin work

Define milestones for node configuration, asset optimization, and final build compilation. Use Upwork Messages and the contract workroom for communication while relying on identity verification, payment protection, hourly tracking, and project funds for security.

  • Set a milestone for completing the Mind Map logic and connecting all primary game flow nodes.
  • Require delivery of optimized assets and a testable build folder before moving to platform-specific compilation.
  • Agree on final deliverables including the compiled iOS project or Android APK ready for store upload.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a Buildbox video game developer cost?

$500-$1,500 per project is a typical range for focused Buildbox video game developer work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Asset optimization and preparation

$500-$1,000/project

Entry-level to mid-level
  • Optimized texture atlases via Buildbox Tools
  • Removed unused sound objects from project files
  • Prepared assets for platform-specific compilation

Node Map logic setup

$1,000-$2,500/project

Mid-level
  • Connected nodes on Mind Map for session logic
  • Configured collision and health action nodes
  • Linked interface elements to player events

Monetization configuration

$2,500-$4,500/project

Mid-level to senior-level
  • Attached banner and interstitial nodes to UI
  • Configured rewarded video and in-app buy nodes
  • Validated monetization triggers in test builds

iOS build compilation

$4,500-$7,000/project

Senior-level
  • Generated exported folder with unique bundle ID
  • Built iOS project using BBPlayer.xcodeproj
  • Prepared binary for App Store upload

Android build and publishing

$7,000-$12,000/project

Expert-level
  • Set Android Studio project with Gradle Plugin
  • Compiled signed APK and Android App Bundle
  • Uploaded final build artifacts for review

Frequently asked questions

Is hiring a Buildbox video game developer worth it?

For most businesses, yes: hiring a Buildbox video game developer is worthwhile. This approach lets you create functional mobile games without writing code from scratch. Developers use visual nodes to define logic and export ready-to-compile projects for iOS and Android.

How do I evaluate Buildbox video game developer candidates?

Review how candidates structure their Node Map to handle game flow and player events. Ask them to explain how they optimize atlases and remove unused sound objects before exporting the final project folder.

What platforms can a Buildbox video game developer target?

Developers export projects that compile into native apps for iOS and Android. They use Xcode for Apple devices and Android Studio for Google Play submissions.

Can a Buildbox video game developer add in-app purchases?

Yes, developers configure monetization nodes to link rewarded videos or purchases to specific game actions. They set these parameters within the Buildbox interface before generating the build.