Principal Engineer, Unity Rewards
Unity Technologies • San Francisco, CA • Posted June 13, 2026
About the Role
**San Francisco, CA, USA**
**Principal Engineer, Unity Rewards**
Location
San Francisco, CA, USA
Department
Engineering
Requisition ID
JOBREQ-2616052
**Role description**
**The opportunity**
We are looking for a Principal Mobile App Developer to architect and lead the development of a standalone B2C mobile application. This app will serve as a premier destination for players to discover new games, track their playtime and milestones, and earn real-world rewards. You will be building the highly gamified storefront that sits on top of Unity’s massive backend ML and data infrastructure.
If you have built massive consumer apps featuring real-time ledgers, gamified progression systems, and flawless, 60fps UIs, this is a rare opportunity to build a product from the ground up with the backing of the biggest player in mobile gaming.
**What you'll be doing**
+ Lead the Architecture: Design and architect the mobile client (iOS/...
**Principal Engineer, Unity Rewards**
Location
San Francisco, CA, USA
Department
Engineering
Requisition ID
JOBREQ-2616052
**Role description**
**The opportunity**
We are looking for a Principal Mobile App Developer to architect and lead the development of a standalone B2C mobile application. This app will serve as a premier destination for players to discover new games, track their playtime and milestones, and earn real-world rewards. You will be building the highly gamified storefront that sits on top of Unity’s massive backend ML and data infrastructure.
If you have built massive consumer apps featuring real-time ledgers, gamified progression systems, and flawless, 60fps UIs, this is a rare opportunity to build a product from the ground up with the backing of the biggest player in mobile gaming.
**What you'll be doing**
+ Lead the Architecture: Design and architect the mobile client (iOS/...