Senior iOS Engineer

About the Role

The Senior iOS Engineer will be responsible for building and evolving a mission-critical mobile application used by thousands of field workers. This role involves significant ownership over product decisions, technical direction, and the quality of features delivered, while collaborating with cross-functional teams in a fully distributed environment.

Accountabilities

As a Senior iOS Engineer, you will take ownership of the development, maintenance, and continuous improvement of a large-scale native mobile application. You will contribute across the full development lifecycle, from technical design and implementation to testing, deployment, and ongoing optimization.

• Design, develop, and maintain high-quality iOS applications using Swift and Objective-C.
• Own significant product features and technical systems, contributing to application architecture, UI development, networking, and data persistence.
• Translate product requirements into thoughtful technical solutions while identifying opportunities to improve user experience and product value.
• Build and maintain intuitive user interfaces using UIKit and SwiftUI.
• Manage application state, network requests, local data storage, and integrations with backend systems.
• Write automated tests, including UI automation tests, to ensure application reliability and maintain a strong quality culture.
• Diagnose and resolve complex issues involving asynchronous behavior, networking, device differences, performance bottlenecks, and memory usage.
• Use tools such as Xcode Instruments, crash reporting systems, analytics platforms, and CI pipelines to monitor and improve application performance.
• Collaborate closely with Android engineers, backend developers, QA specialists, and product partners to deliver impactful solutions.
• Participate in technical discussions, challenge assumptions constructively, and help improve engineering practices across the team.
• Leverage AI-assisted development tools responsibly while applying strong engineering judgment and maintaining ownership of delivered solutions.

Requirements

The ideal candidate is a product-minded senior engineer with strong experience building native iOS applications and a passion for creating reliable, user-focused mobile experiences. You should be comfortable owning complex technical challenges, collaborating remotely, and contributing to both implementation and strategic decisions.

• 4+ years of professional experience building or maintaining production iOS applications using Swift and Objective-C.
• Proven experience owning substantial mobile features or technical systems from planning through release and ongoing support.
• Strong proficiency with Xcode and iOS development workflows.
• Experience building user interfaces with UIKit and SwiftUI.
• Experience managing networking, application state, and data persistence using technologies such as Core Data or SQLite.
• Ability to convert product requirements into technical approaches while considering usability, scalability, and maintainability.
• Experience writing automated tests, including UI automation testing.
• Strong debugging skills, including diagnosing asynchronous issues, network problems, simulator/device differences, and production.