Senior iOS Engineer — Global Travel Experience Apps

Collinson; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Collinson is seeking a Senior iOS Developer for the Travel Experience Division. You will architect and build iOS apps with a focus on user-centric travel experiences for a global audience. The role is fully remote via an international contractor arrangement, with a base in Poland for remote collaboration.

You will work across teams to deliver robust, secure mobile solutions and stay ahead of mobile trends. The ideal candidate has 4+ years of mobile development, strong Swift knowledge, and

Qualifications

• 4–8 years of design/development experience, with 4+ years mobile development.
• Proficient in Swift and iOS design patterns (MVVM/MVP).
• Experience integrating AI-assisted development tools into workflows.

Responsibilities

• Design and build advanced iOS applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Maintain and improve existing codebase with CI/CD.
• Work on bug fixing and improving application performance.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Integrate with third-party libraries and APIs for seamless functionality.
• Continuously discover, evaluate, and implement new technologies to maximize efficiency.
• Coordinate with design for UI/UX best practices.
• Address security vulnerabilities and secure the app environment.
• Stay updated with mobile trends and architectures.

Skills

Swift

MVVM/MVP

UI/UX

AI tools

Cocoapods

Unit tests

Dependency injection

Clean code

Teamwork

Tools

Xcode

Git

CI/CD

Job description

Collinson is seeking a Senior iOS Developer for the Travel Experience Division. You will architect and build iOS apps with a focus on user-centric travel experiences for a global audience. The role is fully remote via an international contractor arrangement, with a base in Poland for remote collaboration.

You will work across teams to deliver robust, secure mobile solutions and stay ahead of mobile trends. The ideal candidate has 4+ years of mobile development, strong Swift knowledge, and