Principal Engineer, Unity Rewards

Unity

Principal Engineer developing a mobile rewards application for Unity Technologies. Leading the architecture and technical decisions for a consumer-focused app with gamified experiences.

Posted 6/12/2026full-timeRemote • California • 🇺🇸 United StatesLead💰 $227,900 - $340,000 per yearWebsite

Tech Stack

Tools & technologies

AndroidFlutteriOSKotlinReactReact NativeSwiftUnity

About the role

Key responsibilities & impact

Design and architect the mobile client (iOS/Android) for a greenfield consumer rewards application.
Develop highly engaging, gamified UI/UX components including daily streak mechanics, dynamic offer walls, progress trackers, and real-time wallet balances.
Connect the consumer app directly into Unity’s backend event-pipelines and ML attribution models.
Architect robust on-device state management that handles virtual currencies, ledger updates, and offline/online syncing.
Work alongside ML and backend teams to implement secure event tracking.
Mentor senior mobile engineers, set the standard for code quality, and define release pipelines.

Requirements

What you’ll need

8+ years of experience building native (Swift/Kotlin) or high-performance cross-platform (React Native/Flutter) consumer mobile applications at scale.
Proven track record building apps with high DAU/MAU that rely on gamification, loyalty programs, or fintech/wallet features.
Deep understanding of modern mobile architecture patterns (MVVM, Clean Architecture, VIPER), memory management, and performance profiling.
Experience handling complex asynchronous data streams, real-time websocket connections, and local persistence for offline-first capabilities.
You care deeply about micro-interactions, animations, and how an app feels in the user's hands.

Benefits

Comp & perks

Comprehensive health, life, and disability insurance
Commute subsidy
Employee stock ownership
Competitive retirement/pension plans
Generous vacation and personal days
Support for new parents through leave and family-care programs
Office food snacks
Mental Health and Wellbeing programs and support
Employee Resource Groups
Global Employee Assistance Program
Training and development programs
Volunteering and donation matching program

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SwiftKotlinReact NativeFlutterMVVMClean ArchitectureVIPERreal-time websocket connectionsasynchronous data streamslocal persistence

Soft Skills

mentoringcode qualityleadershipcollaborationattention to detail