Senior iOS Developer

£70,000 - £90,000 per year

London, United Kingdom

Full-time



Keytree is currently recruiting for a Senior iOS Developer to join their award-winning development team. As part of the role you will work on the development of high quality bespoke mobile apps for a number of high-profile end clients.

You will work as part of a dedicated project team collaborating with UI/UX Designers and Project Managers to ensure projects are delivered on time and to spec.

The ideal developer should have a strong interest in the latest technologies and development techniques, which will be beneficial in influencing the technologies, used and best practices. It’s essential that you are able to work collaboratively as well as autonomously when necessary.

This is a permanent role is based in our Central London, Head Office

The successful candidate will:
  • Speak fluent English and write competently
  • Have good interpersonal skills and be comfortable working in a collaborative, team environment. 
  • Be competent and comfortable when presenting to customers and supporting sales efforts
Required skills:
  • At least 4 years proven experience in iOS Development building iOS applications using both Objective C and Swift 4.0 or greater
  • Experience building rich and complex iOS applications for iPhone and iPad
  • Strong Design Patterns and Object-Oriented programming skills
  • Experience working with iOS frameworks (e.g. Core Data, UIKit, Auto Layout)
  • Solid understanding of RESTful APIs
  • Experience with version control- SVN or GIT
  • Agile methodology
  • Continuous integration (CI) and Unit Testing for iOS
  • Experience as Architect of highly functional iOS apps, ensuring that architectural integrity is maintained
  • Experience of highly automated build pipelines
  • Experience as a Lead Developer, supporting other developers to create consistent and high-quality code
Desired skills:
  • End to end application development lifecycle experience
  • Experience with Data Security
  • Exposure to Java, Node or other programming languages is beneficial
  • ARKit, ML and Computer vision
  • VOIP and CallKit
  • App Localisation and Globalization
  • Experience working on projects related to selling, retail or e-commerce 
Company Information

Keytree helps companies become leaner, faster and more agile with our award-winning team of SAP experts and beautifully designed applications. The way we work sets us apart. Our multi-disciplined teams are built on a foundation of communications and accountability. We are driven by innovation and a passion for design and great user experience.

At Keytree we work with our clients to understand their business goals and solve their problems using our technological and industry expertise.

An international award-winning design and technology consultancy and product developer. Keytree helps companies become leaner, faster and more agile with our award-winning team of SAP experts and beautifully-designed applications. The way we work sets us apart. Our multi-disciplined teams are built on a foundation of communications and accountability. We are driven by innovation and a passion for design and great user experience.