iOS Engineer (Contractor)

Mobile applications that serve tens of millions of cardholders worldwide demand a relentless focus on user experience and code quality. As an iOS Engineer, working in a hybrid mode in London, you will sit at the intersection of scale and creativity, where ambiguity is part of the challenge and rapid iteration is the norm. You will thrive if you enjoy working in a fast-paced, small-team environment while contributing to products with global impact. The team values open collaboration and the drive to solve tough problems with modern approaches. The work matters because every feature you help shape reaches users around the world.ResponsibilitiesBuild and maintain iOS applications and write and delete code as neededUse build tools such as Tuist, xcodebuild, GitHub Actions and Circle CI and apply continuous integration patternsFind and fix bugs and apply functional coding patternsPerform performance analysis and optimization and work with Objective-C legacy codeCreate unit and integration tests and contribute to open sourceCollaborate in a globally distributed team and demonstrate self-starting and good time managementIntegrate with bespoke backend services and design solutions for open-ended problemsRequirementsExperience building iOS applications and writing and deleting codeFamiliarity with build tools such as Tuist, xcodebuild, GitHub Actions and Circle CI and continuous integration patternsAbility to find and fix bugs and apply functional coding patternsSkills in performance analysis and optimization and dealing with Objective-C legacy codeExperience with unit and integration tests and open sourceAbility to work in a globally distributed team and demonstrate self-starting and good time managementExperience integrating with bespoke backend services and designing solutions for open-ended problemsBachelor’s degree in Computer Science or related field, or equivalent experienceKnowledge of UIKit and MVVMFamiliarity with REST APIs and RAML API documentation
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