Job Directory iOS Mobile Developer - Proxfinity

iOS Mobile Developer - Proxfinity
Chicago, IL

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Job Description

We are looking for a contract/freelance iOS (Objective C) developer responsible for the development and maintenance of primarily a single mobile tablet application. Your primary focus will be development of this iOS application and its integration with back-end services.

You will be working with a small team of developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.


* Design and complete code modifications in an existing application for the iOS platform to use a new API.
* Ensure the performance, quality, and responsiveness of application
* Collaborate with a team to define, design, and ship new features
* Identify and correct bottlenecks and fix bugs
* Help maintain code quality, organization, and automatization


* Proficient with Objective-C and Cocoa Touch
* Experience with offline storage, threading, and performance and memory tuning
* Familiarity with RESTful APIs to connect iOS applications to back-end services
* Knowledge of other web technologies and UI/UX standards
* Understanding of Apple's design principles and interface guidelines
* Familiarity with cloud message APIs and push notifications
* Knack for benchmarking and optimization
* Proficient understanding of Git and familiarity with continuous integration

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