Senior IOS DeveloperKnutsford3 Months + Extensions400 - 450 p/dayStart ASAP Please note this role shall be inside IR35. Company Working for this Blue-Chip Company who're a French multinational professional services and business consulting corporation headquartered in Paris, France. As a Lead IOS Developer, you'll be carrying out development in accordance with the agreed requirements and development standards. You shall test products in accordance with the test strategy to ensure that they are fit for purpose. Assist where needed to the Team Leader in examining packages of work and giving realistic timescales for completion. You shall have management and control of problems and change within their area of responsibility as requested by the Team Leader, including negotiation with other teams as necessary. Providing prompt escalation of problems, issues and risks when necessary. Playing an active part in Process improvement, awareness of and compliance with all relevant quality processes and procedures, including completion of all the specified quality records.Day to day, you will be responsible for: Build and maintain the core iOS applicationWorking alongside our current native development teamParticipate in daily stand-ups, sprint planning and estimationWorking with our data development and design teamsSupporting Android team working together on defining business logic You should have knowledge of the following technologies: Essential: Good knowledge of iOS stack including: Swift, UIKit, Core Data, Interface Builder, Instruments etc Swift languageProduct-focused iOS application development experienceEvidence of delivering consumer facing, mass market, networked, high-performance iOS applications available in the App StoreUp to date with the latest Cocoa and iOS trendsExperience working with programmatic layoutUnderstanding of UIKit, Core Animation, GCD & NetworkingExcellent understanding of design patterns & Object-Oriented ProgrammingUnderstanding of analytics, remote reporting and measurements. In particular with Google analytics and FirebaseExperience of working with Continuous Integration (CI) and Unit Testing on iOSExperience performance profiling with instruments in XcodeStrong communication skills and the ability to describe technical architecture to other members of the businessDesired: Experience with RxSwift (Reactive Swift)Objective-C experienceIf you believe you'd be suited please submit your CV at the first instance.