The leading real estate marketplace. Search millions of for-sale and rental listings, compare Zestimate® home values and connect with local professionals.
About the role
As a Senior Software Development Engineer on Mercury Mobile, you will define how AI shows up inside ZIM on mobile — and you will do it on both platforms. This is deliberately a cross-platform role: you will work in Swift and Kotlin, and the architectural decisions you make will land on iOS and Android together rather than diverging.
What they're looking for
- You have 5+ years building and shipping native mobile applications at consumer scale, with a deep understanding of the app lifecycle
- You have production experience on both iOS and Android — or deep expertise in one platform and demonstrated delivery in the other
- You are fluent in Swift and Kotlin, and comfortable in SwiftUI and Jetpack Compose
- You have built features on top of real-time or streaming data, and you know where the hard parts are
- You have integrated GraphQL clients and reasoned carefully about caching and cache invalidation
- You use AI coding agents on real production work and have a considered point of view on where they help and where they do not
More about this role
The Mercury Mobile team builds Zillow Instant Messaging (ZIM) — the conversation layer where millions of movers participate in a multiplayer, integrated experience to find their next home. We own the messaging experience on both iOS and Android, from the real-time messaging core through the rich, interactive content inside every conversation. Our larger organization is responsible for turning interest in a home into a completed tour, a durable relationship with an agent, and a successful move. Right now we are rebuilding what a messaging product can be when an AI assistant is a participant in the conversation rather than a feature bolted onto it.
As a Senior Software Development Engineer on Mercury Mobile, you will define how AI shows up inside ZIM on mobile — and you will do it on both platforms. This is deliberately a cross-platform role: you will work in Swift and Kotlin, and the architectural decisions you make will land on iOS and Android together rather than diverging. The problems are the interesting ones in mobile client engineering today: streaming AI responses into a live conversation without janking the UI, rendering multi-modal and richly structured content that...
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