At Papumba, we build playful, purposeful digital experiences for millions of kids around the world. We’re a small team that moves fast, cares deeply about craft, and is now scaling a new wave of products and game experiences.

We’re looking for a Lead Unity Developer who’s not only strong technically, but who enjoys ownership, clean architecture, and solving real product challenges. Someone who wants to build things that feel great, run smoothly, and make an impact at scale.

Core Unity Expertise

• Strong knowledge of Unity and C# for mobile development workflows
• Experience with Addressables (local & remote bundles, catalogs, labels, versioning)
• Deep understanding of Unity UI, dynamic layouts, animations, and responsive design
• Experience building modular UI systems (screen flows, state machines, etc.)
• Familiarity with ScriptableObjects, asset-driven architecture, and clean data pipelines

Architecture & Code Quality

• Solid understanding of SOLID principles, clean code practices, and scalable architecture
• Experience with dependency injection
• Experience using async programming for smooth and responsive flows
• Ability to build systems that are maintainable, extensible, and production-ready

Gameplay & Systems

• Creating interactive systems using event-driven design
• Experience integrating encapsulated logic systems and multi-device input handling
• Experience with video playback and performance optimization

Optimization

• Profiling and optimizing CPU, GPU, memory, and loading times
• Asset optimization: textures, audio, lighting, asset bundle structure
• Reducing GC allocations and building frame-stable systems
• Handling device-specific performance issues (Android, iOS, Amazon devices)

Multiplatform & Build Pipeline

• Mobile deployment experience for iOS, Android, Amazon OS
• Knowledge of Unity build configurations, Gradle, Xcode, IL2CPP workflows
• Understanding of app size budgets, split bundles, and performance constraints

Integrations

• Backend API communication for authentication, analytics, remote settings, and user data
• Experience integrating in-app purchases (subscriptions), analytics, deep links, parental gates
• Comfortable with localization systems and asset-based multilingual support
• Experience with remote resources, dynamic content delivery, and CDN-backed assets