Principal Mobile Engineer - Gamified Rewards Platform

Unity; San Francisco (CA); On-site; USD 228,000 - 342,000; Full time

Benefits offered by this job

Employee stock ownership

Competitive retirement/pension plans

Generous vacation and personal days

Office food snacks

Job summary

Unity in San Francisco is seeking a Principal Mobile App Developer to architect and lead the development of a standalone B2C mobile application for players to discover games, track playtime, and earn rewards. You will build a highly gamified storefront atop Unity's backend ML and data infrastructure.

You will guide tech stack decisions, mentor engineers, and own end-to-end performance, security, and release pipelines for a fast-paced, high-visibility product.

Qualifications

• 8+ years of experience building native (Swift/Kotlin) or cross‑platform (React Native/Flutter) consumer mobile apps at scale.
• Strong track record delivering consumer mobile apps with high DAU/MAU and gamification elements.
• Deep understanding of modern mobile architecture patterns, memory management, and performance profiling.

Responsibilities

• Architect the mobile client (iOS/Android) for a greenfield consumer rewards app and drive tech decisions.
• Develop engaging, gamified UI/UX components and real-time wallet balances.
• Integrate with backend ML/data pipelines and optimize for user value and retention.

Skills

Mobile development

Swift/Kotlin

React Native/Flutter

Job description

Unity in San Francisco is seeking a Principal Mobile App Developer to architect and lead the development of a standalone B2C mobile application for players to discover games, track playtime, and earn rewards. You will build a highly gamified storefront atop Unity's backend ML and data infrastructure.

You will guide tech stack decisions, mentor engineers, and own end-to-end performance, security, and release pipelines for a fast-paced, high-visibility product.