Hire the Best Buildbox Video Game Developers

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Stephen John G.

Himamaylan, Philippines

$15/hr
5.0
13 jobs

I build responsive, polished gameplay systems in Unity—focused on mechanics, AI, and performance. If your game feels “almost there” but lacks smooth mechanics, smart AI, or optimization—I can help turn it into a complete, playable experience. I’m a mid-level Unity developer with 2+ years of experience, specializing in 2D and 3D gameplay systems using C#. I focus on building mechanics that feel good to play, not just systems that work. 🎮 What I can do for your project: Gameplay mechanics (movement, combat, abilities, physics-based systems) AI systems (state machines, behaviors, enemy logic) Full game systems (core loops, progression, interactions) Optimization (fix FPS drops, improve performance for mobile/PC) UI & animation integration (including Spine) Debugging and fixing broken Unity projects 🚀 Featured Projects 🕸️ Swingfall (Rogue-like 2D Platformer) A unique side-scrolling game built around a physics-based swinging mechanic. Developed custom swinging system using Unity physics Implemented enemy AI (state-based behavior) Integrated VFX, Spine animations, and gameplay systems Focused on responsive movement and performance 🎣 Angler’s Journey A complete game built from scratch, showing my ability to design, implement, and finish core gameplay systems independently. Designed and implemented full gameplay systems independently Built core mechanics without prior professional experience Demonstrates strong problem-solving and self-learning ability 🌌 Take Me To Elysium (Capstone Project) A fully developed game created without AI assistance—pure engineering and research. Built complete system architecture Integrated UI, animations, and VFX Focused on clean implementation using Unity documentation 💡 Why clients work with me: I focus on game feel, not just code I can take a system from idea → fully working feature I understand both technical implementation and player experience I communicate clearly and can work long-term 🤝 Let’s work together I’m open to indie projects, startups, and long-term collaborations. If you need a developer who can build solid gameplay systems and make your game actually feel good, send me a message. *Unity *C# *Game Development *Gameplay Programming *Artificial Intelligence (Game AI) *2D Game Development *3D Game Development *Mobile Game Development *Game Mechanics *Debugging *Performance Optimization *Spine Animation *UI Development (Unity) *Physics Systems *Animation Integration I don’t just write code—I make sure your game feels good to play.

  • Video Game
  • Game
  • C#
  • Java
  • Python
  • Unreal Engine
  • Unity
  • Drawing
  • Poetry
  • Programming Bug Fix
  • Adobe Photoshop
  • Adobe Illustrator
  • Adobe Premiere Pro
  • C4D
  • Audacity
Maksym Z.

Kropyvnytskyy, Ukraine

$30/hr
5.0
16 jobs

I started my C# career writing diagnostic software for nuclear power plants. Reliability there wasn't a feature. It was the baseline. That habit never left me, and these days it goes into my Unity work: small, focused tasks, full games, and everything in between. 7 years of C#. PC, mobile, VR. I can jump into an existing project, own a standalone system, or take your idea or GDD all the way to a working MVP: planning, architecture, gameplay, UI, integrations, optimization, testing, and builds you can actually play. 🔹 SOME THINGS I'VE BUILT • Godly Survivors, an action roguelite released on Steam. I designed and developed it solo, including custom progression, enemy AI with dynamic difficulty, and runtime world generation. I owned its design and development from first concept to launch. • Expanded a 12-level 3D educational game for kids with new arcade mechanics, story progression, and supporting systems. • Developed VR/XR apps for Meta Quest and Apple Vision Pro with live 360° video, streamed content, and backend integration. • Built mobile games and simulators featuring boat physics with water dynamics, time-stop puzzle mechanics, REST APIs, Firebase, and monetization. • On one optimization job, I cut an app's build size by 5x. I genuinely enjoy profiling and hunting down CPU/GPU bottlenecks. 🔹 WHAT I CAN DO FOR YOU • Build your game from start to finish: indie titles, MVPs, and vertical slices. • Design and code gameplay systems: combat that feels right, enemy AI, abilities, inventory, economy, progression, and save systems. I lean on data-driven configs so designers can tune things without touching code. • Help on the design side too: core loops, balance models, docs a team can implement without guessing, and custom Unity Editor tools when a workflow needs one. • Take over or extend an existing project: new features, bug fixes, refactoring, third-party integrations, and gameplay or UI polish. • Profile and optimize for PC, mobile, and VR. • Handle backend and platform integrations: Firebase, REST APIs, Addressables, IAP, ads, and the SDKs your project needs. 🔹 HOW I WORK Clear milestones, risks raised early, and playable builds throughout instead of one big reveal at the end. AI speeds up implementation and testing; I do the thinking, shape the architecture, and make the final call. You get honest progress updates, documented changes, and code the next developer won't curse at. I care about the product, not just the paycheck. Details matter to me. Whether it's a focused fix, an indie MVP, or something bigger (AAA too, assuming you bring the studio 🙂), send me your idea, GDD, current build, or task description, and I'll help turn it into a working result.

  • C#
  • Unity
  • Game Development
  • Mobile Game Development
  • Game Development Bug Fix
  • Game Design
  • Git
  • REST API
  • Steam
  • Virtual Reality Game
  • Software Architecture
Nitinkumar D.

Rajkot, India

$20/hr
5.0
2 jobs

Hi, I am a Senior Unity Game Developer with 9 years of experience delivering high-quality 2D, 3D, PC, WebGL and AR/VR games. My expertise spans the entire development lifecycle, from initial prototyping to final deployment on the App Store, Google Play, Meta Quest and SideQuest. What I Can Do For You: - Full-Cycle Development: Concept design, mechanics scripting, and level design. - Performance Optimization: Reducing draw calls, optimizing memory, and ensuring stable 60 FPS on low-end devices. - Monetization & Analytics: Seamless integration of Unity Ads, In-App Purchases (IAP), and Firebase analytics. - Multiplayer Solutions: Real-time networking using Photon (PUN/Fusion) or Unity Netcode(Unet). Technical Stack: - Core: C# Programming, Unity 2D/3D, Game Design, Physics Simulation. - Modern Tech: Unity DOTS (Data-Oriented Tech Stack), Shader Graph, Addressables. - Platforms: AR Foundation (ARCore/ARKit), VR/XR (Meta Quest), Mobile Optimization. - Backend & Networking: Firebase, Photon, Mirror, REST API Integration. I worked with many industries on many projects like Endless Runner(Arcade), Shooting Game(Action + Adventure) etc. Learning something new everyday in my life. Thank You.

  • Unity
  • C#
  • In-App Purchases
  • HTML5
  • Online Multiplayer
  • Game Development Bug Fix
  • Push Notifications
  • First-Person Shooter
  • Photon Unity Networking
  • Object-Oriented Programming
  • AI Mobile App Development
  • UI/UX Prototyping
  • UI Animation
  • AR & VR Development
  • WebGL
  • PC Game
  • Mobile Game Development
  • Monetization
  • Vuforia
Quoc Tam L.

Ho Chi Minh City, Vietnam

$5/hr
5.0
11 jobs

Unity Developer specializing in building polished 2D/3D gameplay systems with C# and Unity. Strong experience developing core game mechanics, UI/UX systems, animation (Mecanim & Rigging), and multiplayer features using Unity Netcode. Hands-on with monetization systems including In-App Purchases and Ads Mediation. Worked on multiple complete game projects, from prototyping to release, focusing on clean architecture, maintainable code, and smooth player experience. Comfortable with asynchronous programming, game data persistence, and performance debugging across devices. Fast learner, detail-oriented, and reliable — I focus on delivering stable, scalable solutions that help projects reach completion.

  • Video Game
  • Game
  • Game Design
  • C#
  • Unity
  • Monetization
  • In-App Purchases
Muhammad S.

Lahore, Pakistan

$30/hr
5.0
16 jobs

🎮 I build games that don't just work, they retain players and scale. With 5+ years of professional game development across Unity and Unreal Engine, I help studios and indie developers ship polished, high-performance games on PC, mobile, and VR/AR platforms. From prototype to production, I own the full cycle. ━━━━━━━━━━━━━━━━━━━━━━ ⚙️ WHAT I SPECIALIZE IN: ━━━━━━━━━━━━━━━━━━━━━━ - Unity & Unreal Engine 5 Development - 3D Modeling & 3D Rendering - Multiplayer Systems (Photon, Nakama, Epic Online Services) - Mobile Game Optimization (iOS & Android, FPS, Memory & Battery Optimization) - VR/AR Experiences (Oculus, ARKit, Vuforia) - AI Systems, NPC Behavior & Combat Mechanics - Gameplay Systems, Animations & Physics ━━━━━━━━━━━━━━━━━━━━━━ 🚀 I CAN HELP YOU: ━━━━━━━━━━━━━━━━━━━━━━ ✔ Build your game from idea → launch-ready product ✔ Fix performance issues (FPS drops, lag, crashes, memory leaks) ✔ Develop real-time multiplayer with matchmaking & sync ✔ Create immersive VR/AR training or gaming experiences ✔ Optimize mobile builds for retention and store performance ━━━━━━━━━━━━━━━━━━━━━━ 🎯 RECENT WORK: ━━━━━━━━━━━━━━━━━━━━━━ - Multiplayer FPS with real-time sync, matchmaking & anti-cheat logic - Mobile games optimized to 60 FPS with improved Day-7 retention - VR training simulation deployed for enterprise client (Oculus Quest 2) - AI-driven NPC combat systems with dynamic difficulty scaling If you want a developer who takes ownership, communicates clearly, and delivers on time, let's talk. 📩 Message me with your project details and I'll respond within a few hours. Tags: #game_development #unity_developer #unreal_engine #ar_development #vr_development #xr #3d_games #2d_games #mobile_games #pc_games #oculus #meta_quest #game_design #gameplay_programming #game_optimization #interactive_experiences #csharp #cpp #real_time_rendering #immersive_technology

  • Unreal Engine
  • C++
  • Blueprint Style
  • Online Multiplayer
  • Game Development
  • AR & VR Development
  • Unity
  • Game Engine
  • Game Mechanics
  • Game Prototype
  • C#
  • Multiplayer
  • Multiplayer Online Battle Arena
  • Online Game Website
Phillip Z.

Osijek, Croatia

$67/hr
5.0
1 jobs

I build Unity game systems that are designed to last — modular, data-driven, and easy to extend without touching code. My focus: game systems architecture, ScriptableObject-driven design, interactive and gamified experiences. I've taken projects from GDD to final delivery, handling architecture decisions, client communication, and documentation along the way. Published games on Steam. Delivered client projects in Unity. Currently building a new title with an artist. What you get: Clean, scalable architecture from day one Full project ownership — I don't just build features, I think about the whole system Clear communication and documentation throughout EU timezone, fluent English, available for calls I work on projects that ship. If that's what you're building, let's talk.

  • Unity
  • C#
  • Git
  • Game Development
  • WebGL
  • DevOps
  • Game Development Bug Fix
  • Mobile Game Development
  • Game Design Document
  • Documentation
  • API
  • REST API

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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.