Senior Mobile Software Engineer – iOS

vistairhr

West of England

Hybrid

GBP 70,000 - 100,000

Full time

14 days+

Application generator

Don’t send a generic resume — generate a resume and cover letter tailored to this exact role.

Get past ATS filters

Benefits offered by this job

Private Medical Insurance

27 days holiday

Hybrid working

Buy/sell up to 3 days holiday

Pension with Scottish Widows

Perkbox

Free drinks and snacks on-site

Octopus EV Salary Sacrifice Scheme

Cycle to Work Scheme

Job summary

Comply365 is seeking a Senior Mobile Software Engineer (iOS) to lead the development of new features for our premier iOS app. You will collaborate with product managers, designers, and QA to deliver high-quality, performant experiences for daily users.

We value clean architecture, performance, and engineering excellence. The role is hybrid with the Bristol office, requiring three days onsite weekly, and offers growth opportunities across Aviation, Defense, and Rail sectors.

Qualifications

5+ years of professional mobile development experience.
3+ years of hands-on iOS development using Swift and Objective-C.
Proven experience releasing and maintaining iOS apps in the App Store.
Strong understanding of UIKit, Foundation, Swift Concurrency, and app lifecycle.
Experience with REST APIs, JSON, and data persistence using SQLite.
Familiarity with modern CI/CD tools (Xcode Cloud, Azure DevOps, or GitHub Actions).
Solid grasp of QA methodologies, Agile development, and SDLC best practices.
Excellent communication and collaboration skills.
Self-driven, organized, and committed to building exceptional user experiences.

Responsibilities

Design, develop, and maintain production iOS applications using Swift and Objective-C.
Ship and support high-quality releases to the Apple App Store.
Optimize for performance, reliability, and responsiveness across a wide range of devices.
Work closely with design, product, and QA to plan, implement, and validate new features.
Contribute to improving development practices, coding standards, and CI/CD pipelines.
Stay up to date on the latest iOS SDK changes, frameworks, and Apple developer tools.
Mentor peers and share expertise in Swift, UIKit, and app architecture.
Communicate progress, risks, and technical insights clearly within the team.

Skills

Mobile dev

Swift/Obj-C

UIKit/SwiftUI

REST APIs

CI/CD

Communication

Tools

Git

Xcode

SQLite

TestFlight

CI/CD tools

Job description

About Comply365

Comply365 is a leading provider of Operational Content Management, Safety Management, and Training Management in the highly regulated industries of Aviation, Defense, and Rail. We provide a powerful combination of expertise and products underpinned by unified best practices, empowering airlines, rail, and defense organizations with the most comprehensive product portfolio to elevate operational excellence, and transform safety management and training, with closer integration of data across these domains. Comply365 ensures our customers' teams and assets are always geared for peak operational performance and unlocks unparalleled financial and operational gains through more streamlined, robust, and agile operations.
Our culture truly sets us apart at Comply365. In addition to our unwavering dedication to our customers and products that we offer, we are, first and foremost, a diverse team of driven, energetic, and passionate individuals who work together to make a direct impact on the future of our company. We have built, and continue to build a world-class, dynamic, and people-first culture. We believe in celebrating one another's achievements, open communication, and transparent leadership.

About the role

We’re seeking a Senior Mobile Software Engineer (iOS) with strong Swift and Objective-C expertise to help drive the next generation of our best-in-class iOS app. You’ll lead the development of new features, optimize performance, and champion engineering quality across the product.

You’ll collaborate closely with product managers, designers, and QA engineers to deliver intuitive, high-performing features that our users rely on every day. We’re looking for someone with a proven track record of shipping high-quality iOS apps, a passion for clean architecture and performance, and the ability to guide others toward technical excellence.

At our core, we value open communication, thoughtful collaboration, and pragmatic problem-solving. Great ideas can come from anyone, and we encourage strong opinions balanced with flexibility when presented with new information.

This role is hybrid to our Bristol office with the expectation of attending the office 3 days per week.

Essential Duties and Responsibilities

Design, develop, and maintain production iOS applications using Swift and Objective-C.
Ship and support high-quality releases to the Apple App Store.
Optimize for performance, reliability, and responsiveness across a wide range of devices.
Work closely with design, product, and QA to plan, implement, and validate new features.
Contribute to improving development practices, coding standards, and CI/CD pipelines.
Stay up to date on the latest iOS SDK changes, frameworks, and Apple developer tools.
Mentor peers and share expertise in Swift, UIKit, and app architecture.
Communicate progress, risks, and technical insights clearly within the team.

Essential skills

5+ years of professional mobile development experience.
3+ years of hands-on iOS development using Swift and Objective-C.
Proven experience releasing and maintaining iOS apps in the App Store.
Strong understanding of UIKit, Foundation, Swift Concurrency, and app lifecycle.
Experience with REST APIs, JSON, and data persistence using SQLite.
Familiarity with modern CI/CD tools (Xcode Cloud, Azure DevOps, or GitHub Actions).
Solid grasp of QA methodologies, Agile development, and SDLC best practices.
Excellent communication and collaboration skills.
Self-driven, organized, and committed to building exceptional user experiences.

Essential technical skills