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Senior Unity Mobile Game Developer - Contract, Fully Remote

Brain Box Automations โ€ข Pakistan
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AI Summary

Maintain and grow our mobile learning games using Unity and C#. Ship confidently to App Store and Google Play. Remote, flexible hours, project-based engagement.

Key Highlights
Maintain and develop features in large Unity (C#) game codebase
Manage iOS and Android releases, SDK updates, and provisioning
Investigate and resolve bugs, especially around accounts and authentication
Support backend and cloud services as features require
Key Responsibilities
Develop and maintain features in our Unity (C#) game
Manage iOS and Android releases
Maintain third-party integrations
Investigate and resolve bugs
Support the backend and cloud services
Technical Skills Required
Unity/C# Mobile game development iOS and Android development
Benefits & Perks
Fully remote work
Flexible working hours
Project variety
LLM access and continuous learning
Nice to Have
Backend development with Node.js or Python
Subscription or in-app purchase integrations
AWS or Firebase experience
SQL for player and subscription analytics

Job Description


Unity Mobile Game Developer โ€“ Contract | Fully Remote | Flexible Hours | Project-Based Engagement


About This Opportunity


We're looking for a contract Unity Developer to help maintain and grow our mobile learning games. Our flagship is a 3D vocabulary game built in Unity and live on both iOS and Android, part of a wider suite of vocabulary and reading products used by families and schools.


This is a hands-on development role centered on Unity and mobile. The game is a large, established codebase, so we need someone who has worked within a substantial Unity project before and can ship confidently to the App Store and Google Play. There is also backend and cloud work behind the game; the ability to contribute there is a strong advantage, but Unity and mobile development are the core of this role.


What You'll Do


  • Develop and maintain features in our Unity (C#) game โ€” gameplay, UI, Addressables, and the build pipeline
  • Manage iOS and Android releases, including SDK updates, provisioning, signing, and Swift Package Manager
  • Maintain third-party integrations such as Firebase, RevenueCat, AppsFlyer, and Apple/Google sign-in
  • Investigate and resolve bugs, most commonly around accounts, authentication, and activation
  • Support the backend and cloud services behind the game as features require


What We're Looking For


  • Proven Unity/C# experience within a large, established codebase (not just prototypes)
  • A track record of shipping mobile games or apps to the App Store and Google Play
  • Confidence owning a feature from start to finish and debugging across the application
  • Reliability and strong self-direction in a remote setting


Nice-to-Have Skills


  • Backend development with Node.js or Python (REST APIs, JWT authentication)
  • Subscription or in-app purchase integrations (RevenueCat or similar)
  • AWS (S3, IAM, Redshift) or Firebase (Firestore, Cloud Functions)
  • Social login (Google, Apple) and OAuth flows
  • SQL for player and subscription analytics
  • Experience with COPPA / KidSAFE or other children's-privacy compliance
  • Transactional email systems


Professional Maturity


  • Takes ownership of tasks and sees them through
  • Manages a mix of quick fixes and longer feature work without dropping either
  • Communicates clearly โ€” raises issues early and proposes solutions
  • Handles user data responsibly, with awareness that our audience includes children


Work Environment


Remote First

We're a fully distributed team. You work from wherever you're most productive.


Flexible Working Hours

Work on your own scheduleโ€”we trust you to manage your time. We do ask that you maintain availability between 6pmโ€“12am PKT to ensure we have overlap for synchronous meetings and team collaboration. We recommend 3โ€“4 hours of working time within this window so you can effectively reach other team members, though it's not a hard requirement.


Technical Project Management

Our PMs are developers themselvesโ€”they've built software and understand realistic timelines and technical constraints. This means better collaboration, clearer communication, and project planning grounded in reality.


Project Variety

You'll rotate through different projects and challenges, preventing monotony and expanding your breadth of experience across our portfolio.


LLM Access

We provide you with LLM tools that help you work smarter and faster, integrating AI into your day-to-day development workflow.


Continuous Learning

We cover subscriptions to premium learning platforms and actively promote ongoing professional development. We grow as a team when we invest in each other's growth.


Why Join Us


  • Work on real projects that users depend on every day
  • A live product with a real user base and an active roadmap
  • Substantial Unity work on a mature game with genuine technical depth
  • Learn from experienced developers and grow your technical skills
  • Collaborative team environment with genuine mentorship opportunities
  • Access to modern tools, frameworks, and technologies
  • Build applications that make a tangible difference
  • Transparent compensation tied to your actual contributions
  • Flexibility to work how and when you work best


#UnityDeveloper #UnityJobs #GameDev #GameDeveloper #CSharp #Unity3D #MobileGameDev #MobileGames #iOSDevelopment #AndroidDevelopment #RemoteWork #TechJobs


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