Staff iOS Software Engineer, Bitcoin
Core
Staff iOS Engineer owning technical direction and delivery of critical iOS product areas for Bitcoin, stablecoins, and non-custodial wallets across Cash App, Square, and Bitkey.
Role type
Staff iOS Software Engineer (Bitcoin & Stablecoin)
Builds
Native iOS products, shared frameworks, and AI-powered capabilities for financial services
Domain
Fintech, Cryptocurrency, Mobile
Deliverable
production ML models | product features
Required skills
Native iOS development (Swift, SwiftUI, UIKit), System architecture, Technical leadership, AI-assisted development, Cross-platform collaboration, Security & compliance, Mentoring
Preferred skills
Large modular iOS codebases, CI/CD & observability, Financial services experience, Bitcoin/stablecoin tech, Experimentation infrastructure
Technologies
Swift, Objective-C, SwiftUI, UIKit, Swift Concurrency, Combine, Xcode, Instruments, Bazel, Protocol Buffers, AI tools
Responsibilities
Own complex features end-to-end from architecture to post-launch; Prototype new ideas and reference implementations; Influence technical direction and make tradeoffs; Mentor engineers and set technical standards; Integrate AI tools into workflows; Collaborate with backend, Android, and web teams
Seniority
Staff, hands-on IC with strategic influence
