Software Engineer - Mobile iOS

TSB; New Plymouth; On-site; NZD 90,000 - 130,000; Full time

Job summary

TSB is seeking a Software Engineer Mobile iOS to design, build, and maintain iOS apps, integrating with backend systems via RESTful APIs, in a fixed-term role across Wellington, Auckland, or New Plymouth locations.

You will contribute to solution planning, collaborate with cross-functional teams, and ensure applications are secure, performant, and user-friendly. The role supports incident management and continuous improvement of mobile delivery processes and workflows.

Qualifications

• 3-5 years of professional experience in software development, including iOS.
• Proven track record of building, testing, and publishing iOS apps to the Apple App Store.
• Experience with API-led development and backend integration.
• Strong understanding of iOS Human Interface Guidelines (HIG) and Apple design standards.
• Proficiency with RESTful API design and integration.

Responsibilities

• Contribute to design, development, testing, and deployment of iOS applications.
• Integrate mobile apps with backend systems using RESTful APIs.
• Participate in project planning and technical design for high-value mobile solutions.
• Implement iOS security best practices and manage data security.
• Support and enhance CI/CD pipelines for mobile deployment (TestFlight/ App Distribution).
• Monitor app performance, crash reports, and analytics for stability.

Skills

Problem solving

Communication

Agile / Scrum

Analytical thinking

Debugging

Tools

Swift

SwiftUI

UIKit

Objective-C

Xcode

Interface Builder

Instruments

Figma

Git

Jira

Job description

Software Engineer Mobile iOS
Wellington, Auckland, New Plymouth locations considered

Fixed term

About the Role

This hands-on role involves designing, building, and maintaining iOS applications and integrations with backend systems using APIs. You'll contribute to solution planning, collaborate with cross-functional teams, and ensure applications are secure, performant, and user-friendly. You'll also support service operations, participate in incident management, and drive continuous improvement in mobile delivery processes and workflows.

Key Responsibilities

Contribute to the design, development, testing, and deployment of iOS applications aligned with business goals and user needs.

Integrate mobile apps with backend systems and third-party services using RESTful APIs.

Participate in project planning and technical design, focusing on delivering high-value mobile solutions.

Implement iOS security best practices, maintain data integrity, and remediate vulnerabilities prior to release.

Support and enhance CI/CD pipelines for mobile app deployment to improve release efficiency.

Monitor app performance, crash reports, and analytics to ensure stability and availability.

Participate in incident response and troubleshooting for production mobile systems.

Key Technologies

Languages and Frameworks: Swift, SwiftUI, UIKit, Objective-C (legacy support), MVVM, Modularisation, CocoaPods / Swift Package Manager (SPM)

UI and Tools: Xcode, Interface Builder, Instruments, Storyboards, Auto Layout, Figma, Accessibility (VoiceOver, Dynamic Type)

Monitoring and Analytics: Firebase, Crashlytics, Google Analytics, App Store Connect, Remote Config / Feature Flags

Backend Integration: RESTful APIs, GraphQL, JSON, OAuth 2.0 Java Spring

CI/CD: Fastlane, GitLab CI, Jenkins (where applicable), Automated build & distribution (TestFlight / Firebase App Distribution), Code signing & provisioning management

Databases: Core Data, UserDefaults / Keychain, SQLite, MariaDB, MySQL

Collaboration Tools: Git, Jira, Postman, Splunk, Agile / Scrum workflows, Code Reviews & Pull Request practices

Tools: IntelliJ, Git, Jira, Figma, Postman, Splunk

Required Skills & Experience

3-5 years of professional experience in software development, including at least 3 years in iOS development using Swift and/or Objective-C.

Proven track record of building, testing, and publishing iOS apps to the Apple App Store.

Experience with API-led development and backend integration.

Strong understanding of iOS Human Interface Guidelines (HIG) and Apple design standards.

Proficiency with RESTful API design and integration.

Experience in app performance optimisation, profiling, and debugging using Xcode Instruments.

Solid knowledge of mobile security, encryption, and secure data storage (e.g. Keychain).

Background working in Agile, cross-functional teams.

Strong debugging, analytical, and problem-solving abilities.

Clear communication skills and the ability to work with both technical and non-technical stakeholders.

Willingness to take ownership of deliverables and navigate complex issues.

Nice to Have

Experience with SwiftUI for modern UI development.

Familiarity with Combine framework.

Experience integrating Apple services such as Push Notifications, In-App Purchases, and iCloud.

Financial services industry experience.

Familiarity with Figma for design alignment.

Exposure to Splunk or similar monitoring/observability tools.

What’s in it for me?

At TSB, we're small enough to really care about our customers but big enough to have great rates, innovative products, and digital solutions. We are looking for people to help us achieve our goal of being the easiest bank to deal with.

We aim to create remarkable experiences for our people, who in turn create remarkable experiences for our customers.

We believe that we all bring something unique to our workplace and when we are encouraged to be ourselves, TSB is stronger for it. That's why we're committed to supporting your wellbeing, creating space for you to be your best self, both in and out of work.

Applications close 6.00pm Sunday 20 September, applications will be reviewed as they come in.

For a copy of the Job Description visit software-engineer-mobile-apps.pdf