IOS Developer

Title: Senior Software Engineer (IOS Developer)
Duration: 12+ months contract
Location: Hybrid in O Fallon, MO
Client: MasterCard
VISA: Any, Open for C2C (But need someone who can do Onsite Interview)

MUST HAVES:
Overview:

The client's Authentication Program owns how consumer authentication works for both in-store and e-commerce transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-commerce transactional use cases that will drive uptake and penetration for the products and revenue for client. The authentication products that fall within this role s responsibilities are ID Check, Token Authentication Service and Token Authentication Framework.

General Duties:
Architect, design and build native and cross platform applications
Collaborate with cross-functional teams to define, design, and ship new features
Unit-test code for robustness, including edge cases, usability, and general reliability
Work on feature development, defect fixes and improving application performance
Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Design and build libraries/frameworks/applications for the iOS platform
Ensure the performance, quality, and responsiveness of applications
Supporting the entire application lifecycle from concept to design, testing, release, and support
Writing clean and efficient code for iOS applications
Work with Agile methodologies

Requirements;
Bachelors/Master s degree in Computer Science, Engineering or a related subject.
Proficient in native iOS development using Swift and frameworks like SwiftUI or UIKit, with a solid understanding of Objective-C. Also experienced in cross-platform mobile development using tools such as React Native or Xamarin.
Intermediate experience using Java / Spring / RESTful APIs.
Intermediate experience conducting unit, component, integrated and functional tests (e.g. Junit, Mockito, Cucumber etc.).
Possesses iOS app/SDK deployment complete understanding.
Knowledge of iOS architecture and mobile development life cycle.
Experience with third-party libraries and APIs.
Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
Experience with offline storage, threading, and performance tuning.
Understanding of Apple s design principles and interface guidelines.
Knowledge of low-level C-based libraries is preferred.
Familiarity with cloud message APIs and push notifications.
Proficient understanding of code versioning tools Git, Bitbucket.
Experience with continuous integration.
You are a problem solver with good analytical skills.
You have a portfolio of released applications on the App Store.
Soft spoken, team player and should be good in communication skills and negotiations.