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iOS Developer

Date Posted: Aug 28, 2025

Job #1682975
Contract
O'Fallon, Missouri, United States

We have partnered with our client in their search for an iOS Developer in O'Fallon, MO

Responsibilities

As an iOS Software Development Engineer, you are expected to perform the following 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

Skills Required

  • Swift UI or UKit
  • API consumption
  • React native or xamarin are a plus 
  • 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, Cocumber 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

Education & Work Experience

  • Bachelors/Master’s degree in Computer Science, Engineering or a related subject
  • 3-5 years of relevant experience 

Title iOS Software Developer 

Location O'Fallon, Mo

Client Industry Payments

 

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