iOS Developer ##Remote##Contract ## W2 or C2C.Roles and ResponsibilitiesWork with a team to design and implement native mobile apps for iOS platformsWrite efficient, reliable, and maintainable code whether implementing architectural improvements, user-facing features, or fixing defectsTroubleshoot and resolve issues, problems, and errors encountered across our various platformsAnalyze and optimize application code for efficiency, reliability and performanceWork with minimal technical supervision and supplemental engineering supportEmbrace a highly collaborative team that rewards quality code and effective communicationStay current with the latest development best practicesLead design and code reviewsQualifications/RequirementsDemonstrated ability in developing complex, high-traffic iOS applicationsA minimum of 5 years hands-on professional development experience with Swift, Objective-CExperience with and solid understanding of multithreaded programming and API layer programmingExperience working on a significant consumer app that is currently available in marketplaceDemonstrated experience developing applications leveraging XML/JSONSolid understanding of data models and data access architecture and optimizationSolid understanding of multi-tier web architectures, and OO design patterns and conceptsSolid understanding of server-side software, scalability, performance, and reliabilitySolid understanding of HTTP and REST-style web servicesExperience with unit test frameworks and continuous integration systemsAbility to collaborate in a small, productive development team as well as ability to work independentlyExpert in software engineering best practicesExperience building mobile SDK'sExperience with agile software development practice, scrum, sprint planning, retrospectives, etc.