Staff iOS Engineer

Skills

About the Role

You will develop and ship high-quality iOS features using UIKit and Swift, integrating blockchain functionality like wallet connectivity, transaction signing, and on-chain data reads. You will build secure wallet and key-management interfaces, deliver real-time balance and notification experiences, collaborate with designers for pixel-perfect UI, work with backend and protocol engineers to integrate on-chain/off-chain flows, and optimize the app for memory, battery, and startup performance. You will own large product areas end-to-end and participate in security reviews, architecture decisions, and code quality improvements.

Requirements

• 5+ years building consumer mobile apps including 3+ years with UIKit and strong Swift proficiency
• Deep knowledge of mobile architecture, navigation, animations, and native module integration
• Experience integrating blockchain features such as wallets, transactions, gas, and RPCs; familiarity with account abstraction is a plus
• Proven ability to ship polished design-precise mobile experiences with strong UX sensibilities
• Experience with secure storage, encryption, and managing sensitive user data
• Ability to own large product areas end-to-end and collaborate in fast-moving cross-functional teams

Responsibilities

• Develop and ship new features for the iOS app using UIKit and maintain a scalable reliable codebase
• Integrate wallet connectivity, transaction signing, on-chain data reads, gas estimation, and account-abstraction flows
• Build secure wallet and key management interfaces and deliver real-time balances, yield updates, and notifications
• Collaborate with designers to deliver pixel-perfect UI, refined interactions, and a cohesive mobile design system
• Integrate on-chain and off-chain data, supply/bridge/vault flows, and analytics with backend and protocol engineers
• Optimize app performance across memory, battery, cold-start time, and responsiveness
• Partner cross-functionally on requirements, timelines, security reviews, code quality, and long-term architecture