Senior iOS Software Engineer II

Responsibilities

• Build, ship, and maintain user-facing iOS features in collaboration with product, design, and engineering partners.
• Contribute to the technical design and implementation of scalable, reliable mobile functionality.
• Write clean, maintainable Swift code using modern iOS patterns and frameworks.
• Improve app performance, quality, responsiveness, and user experience.
• Build reusable components and shared abstractions.
• Use modern concurrency patterns for asynchronous workflows.
• Participate in code reviews, technical discussions, and architecture decisions.
• Debug production issues, identify root causes, and deliver fixes.
• Contribute to testing strategy, release readiness, and product iteration.
• Evaluate tools, frameworks, and engineering approaches that improve development velocity and product quality.

Requirements

• 8+ years of experience developing and shipping iOS applications.
• Strong proficiency in Swift and core iOS development fundamentals.
• Experience with SwiftUI and mixed SwiftUI/UIKit environments.
• Understanding of modern iOS concurrency, including async/await, task management, and main-thread/UI coordination.
• Familiarity with Combine and asynchronous data-flow patterns.
• Experience with MVVM, dependency injection, and modular design.
• Strong production debugging and problem-solving skills.
• Experience integrating APIs, modeling data, and handling network-driven application flows.
• Effective collaboration and communication with technical and non-technical partners.
• High ownership from implementation through release.
• Proficiency with AI-assisted development tools and modern engineering workflows.
• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent experience.

Nice to Have

• Product and innovation mindset.
• Experience designing reusable UI components, animations, or shared feature foundations.
• Experience building complex, consumer-facing mobile features at scale.
• Knowledge of iOS performance optimization, app responsiveness, and memory management.
• Familiarity with automated iOS testing strategies.
• Experience with CI/CD workflows and mobile release processes.
• Exposure to large, modular codebases with multiple contributors.
• Experience mentoring engineers or guiding technical design decisions.

Compensation and Benefits

• Base salary range: $190,409–$224,011.
• Equity for full-time employees.
• 401(k) match up to 4%.
• Medical, dental, and vision coverage, including pet coverage.
• Up to $10,000 per year in education reimbursement.
• Flexible paid time off and 9 paid holidays.
• Year-end week-long break.
• Paid parental leave and flexible return-to-work scheduling.
• $2,000 Calvin Care Cash incentive for employees welcoming new family members.
• Fully remote work available anywhere in the US.
• Hardware and software provided for remote work.