Sr. iOS Developer

Auburn Hills, Michigan

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Type: Contract

Experience: 5

Category: Information Technology

Contractor Work Model: Onsite

Brand: System One

Job ID: 346738

Date Posted: 03/02/2026

Shortcut: http://jobs.systemone.com/j3Paw2


Job Title: Sr. iOS Developer
Location: Auburn Hills, Michigan

Type: Contract To Hire
Compensation: $58/HR
Contractor Work Model: Onsite


Position Overview

We are seeking an experienced Mobile Application Developer with strong expertise in connected vehicle platforms and native iOS development. The ideal candidate will have experience leading development teams, implementing CI/CD pipelines, and delivering secure, high-quality mobile applications in an agile environment.

Required Experience & Skills

Core Experience

  • 5+ years of professional software development experience

  • Experience working with connected vehicle platforms or IoT-based systems

  • Experience leading a team of 5 or more developers using Agile methodologies

  • Experience implementing and integrating CI/CD pipelines (Jenkins, Fastlane, etc.)

  • Strong understanding of mobile operating systems and associated architecture

  • Experience developing native mobile applications

  • Experience integrating RESTful web services

  • Proficiency with Git version control

iOS-Specific Requirements

  • Comfortable working within Apple Developer Portal (certificates, provisioning profiles, entitlements, etc.)

  • Experience implementing and integrating iOS extensions (Intents, Intents UI, WatchKit, Action extensions, etc.)

  • Experience configuring Xcode schemes and build configurations

  • Experience managing Xcode build settings and build phases

  • Experience using Fastlane for build and deployment automation

Technical Competencies

  • Experience working in Agile/Scrum environments

  • Collaboration with cross-functional teams to define, design, and deliver new features

  • Participation in peer code reviews

  • Strong knowledge of software design patterns and development best practices

  • Experience developing unit tests and UI tests

  • Strong understanding of mobile application security (data at rest and in transit)

  • Experience with continuous integration and automated mobile deployments

  • Experience localizing mobile applications for global markets

  • Ability to present ideas, concepts, and proof of concepts (POCs) to stakeholders and leadership teams




System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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