Sr. iOS Developer

System One
Auburn Hills, MI

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.

#M-1
#LI-AJ1
#DI-AJ1

Ref: #856-Baltimore-S1


System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, 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.

Posted 2026-03-02

Recommended Jobs

Occupational Therapist Part Time - St. Johns Health

Confluent Health System Solutions
Wyoming, MI

Overview: Enjoy an active lifestyle of hiking, biking, and climbing while you build your career! At Confluent Health and our family of affiliated brands, occupational therapists practice in an env…

View Details
Posted 2026-03-02

Social Worker- Behavioral Health Outpatient Care Coordinator

U.S. Department of Veterans Affairs
Wyoming, MI

Summary This position is eligible for a Recruitment Incentive and the Education Debt Reduction Program (EDRP), a student loan payment reimbursement program. You must meet eligibility requirements an…

View Details
Posted 2026-03-03

Customs Specialist I or II

LG Energy Solution
Michigan

Title: Specialist I or II, Customs Reports to: Manager, Customs Location: Holland, MI LG Energy Solution Michigan Inc. (LGESMI) develops and manufactures large lithium-ion polymer …

View Details
Posted 2026-01-26

Tax Professional (Seasonal)

Liberty
Redford, MI

: Tax Preparers use their transferable skills, technical abilities and industry knowledge to ensure returns are on-time, complete and accurate. These skills and qualifications often include: In-d…

View Details
Posted 2026-02-26

SAP Purchasing Systems Business Analyst

Randstad Technologies
Holland, MI

job summary: The primary mission of this role is to support and improve the system applications used by our Materials Management business group. It is a technical-business blend where the analyst …

View Details
Posted 2026-03-03

Cook - Big E's Sports Grill Downtown GR

Suburban Inns
Grand Rapids, MI

​​​ Big E's is a fast-paced, high-energy workplace, with endless opportunities for skill development and advancement. Come join the best team in the Food and Beverage and the Hospitality Industries!…

View Details
Posted 2026-01-28

Truck Rental Administrator

Tri-County Truck Centers - Livonia
Livonia, MI

Every employee with Tri-County International Trucks/Idealease of Flint and Detroit is absolutely critical to its success. We have successfully served the Michigan business community for over 50 years …

View Details
Posted 2025-08-28

Service Associate

SpartanNash
Albion, MI

As a member of the C&S Wholesale Grocers family of companies, SpartanNash is a food solutions company that delivers the ingredients for a better life. A distributor, wholesaler and retailer with a g…

View Details
Posted 2026-02-28

Class A Team Drivers - Dedicated Lanes

Pure Freight Lines, LTD.
Detroit, MI

Pure Freight Lines is Looking Experienced Class A CDL Team Drivers. Brand New 2027 Kenworth T680. Don’t miss out - these lanes are in high demand and won’t stay open long. Secure your dedica…

View Details
Posted 2026-02-09

Principal DDOS Software Engineer

Oracle
Lansing, MI

Job Description Overview Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and m…

View Details
Posted 2026-03-03