Sr. iOS Developer
Auburn Hills, Michigan
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/2D64gA
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
-
Sr. Android Developer
Auburn Hills, Michigan
Job Title: Sr. Android Developer Location: Auburn Hills, Michigan Type: Contract To Hire Compensation: $58/HR Contractor Work Model: Onsite Location: Auburn Hills, MI (Onsite – Local candidates only) Experience: 5+ Years Overview Seeking a Senior Andro...
Date Posted: 03/02/2026 Recommended
-
Frontend Developer
Merrifield, VA
Job Title: Frontend Developer Location: Hybrid Work Model Reporting to Vienna, VA Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description: Seeking a mid to high-level Front-end engineer with extensive experience in Angul...
Date Posted: 03/06/2026 Recommended
-
WEB APPLICATION DEVELOPER
JBA, Maryland
Job Title: WEB APPLICATION DEVELOPER Location: JBA, Maryland Position Summary: The Web Application Developer will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintena...
Date Posted: 03/12/2026 Recommended
-
Android Developer (hybrid)
Dallas, Texas
Job Title: Android Developer Location: Dallas-Ft Worth TX Work Model: Hybrid (onsite 3 days/per week) Employment Type: 10 + months contract – strong chance to extend and/or roll perm A top digital consultancy that does custom mobile development is seek...
Date Posted: 03/10/2026 Recommended
-
Software Developer
Arlington, VA
Job Title: Software Development Location: Arlington, VA (onsite) Type: Contract Compensation: $77.25 - $95.00 hourly on W2 Candidates must be able to work in the US without sponsorship. Software Developer will be responsible for writing and maintaining...
Date Posted: 03/12/2026 Recommended
-
Electrical Controls Engineer
Auburn Hills, Michigan
Electrical Controls Engineer Full-Time | Auburn Hills, MI Travel: Up to 50% (including occasional extended trips) Position Overview Seeking an experienced Electrical Controls Engineer to support turnkey conveyor control system projects. This role invol...
Date Posted: 01/15/2026 Recommended
-
Senior Python/AWS Application Developer (onsite)
Washington, DC
Senior Python / AWS Application Developer Washington, DC - ONSITE Type: Multi-year Contract Open to W2 and C2C Candidates must be able to work without sponsorship Must be able to obtain Public Trust clearance As part of a team, the selected contractor ...
Date Posted: 02/11/2026 Recommended
-
BI Developer - Level 4
Baltimore, MD
BI Developer Tier 4 MicroStrategy Cloud (Strategy) Remote Ongoing 12-month+ contract opening W2 hourly pay rate: $75/hr. range. Benefits available System One IT is staffing a 12-month+ contract opening for a MicroStrategy (Strategy) Cloud Developer to ...
Date Posted: 03/10/2026 Recommended
-
Senior IT Applications Developer
Pittsburgh, Pennsylvania
Job Title: Senior IT Applications Developer Location: Pittsburgh, PA Type: Direct Hire Contractor Work Model: Hybrid Senior IT Applications Developer to join an IT Applications team responsible for development, maintenance, customization, and configura...
Date Posted: 02/25/2026 Recommended
-
Developer Team Lead
Melbourne, FL
Job Title: Developer Team Lead Location: Melbourne, FL Developer Team Lead Developer Team Lead Responsibilities: • Provide occasional after-hours support to answer questions and resolve problems. • Lead and mentor software developers in the implementat...
Date Posted: 02/03/2026 Recommended
-
Sr IBM ITX ITXA Mapping Developer / Engineer
Reston, VA
Title: Senior Software Engineer (IBM ITX SME) Location: Mostly remote Onsite: Reston, VA (3-4 times per year) Duration: 12-month contract to hire Contact: Cdinnocenti@altaits.com PURPOSE The Senior Software Engineer performs complex analysis, design, a...
Date Posted: 01/29/2026 Recommended
-
Data Engineer/Developer
Fort Detrick, Maryland
If interested reach out directly to kspicer@altaits.com or call/text 301-252-8762 Responsibilities: Support full SDLC services for LogiCole defined priorities. Communicate well on all levels to various government and contractor support personnel includ...
Date Posted: 01/28/2026 Recommended
-
Data Platform Developer
Harrisburg, PA
Job Title: Data Platform Developer Location: Harrisburg, PA Type: Direct Hire Contractor Work Model: Remote (Harrisburg, PA Area) Overview System One is seeking a Data Solutions Developer in the Harrisburg, PA area. This individual will focus on the cr...
Date Posted: 02/19/2026 Recommended
-
Infor / Hexagon EAM Developer
Tulsa , Oklahoma
Job Profile Summary Lead and participate in all aspects of the software development lifecycle to configure and customize solutions for our client's Enterprise Asset Management platform, Hexagon-EAM. Responsibilities may include, but are not limited to,...
Date Posted: 03/06/2026 Recommended
-
Junior Instructional Designer - Content Developer
Birmingham, Alabama
Junior Instructional Designer - Content Developer Birmingham, Alabama Contract Compensation: $25 - $28 hourly Contractor Work Model: Onsite Work schedule: 40 hours per week with required 4 days in office Summary The Junior Instructional Designer suppor...
Date Posted: 02/18/2026 Recommended
-
Mobile Reverse Engineer (TS/SCI clearance)
Bethesda, Maryland
Mobile Reverse Engineer Bethesda MD - ONSITE Clearance Requirement: TS/SCI clearance Must be able to obtain CI Poly Must be IAT II certified (Security+ CE) Required Qualifications: • Experience with Windows, Linux, Android, OS X, and iOS operating syst...
Date Posted: 02/26/2026 Recommended
-
Palantir Foundry Data Engineer
Detroit, Michigan
We are looking for a highly skilled data engineer/senior consultant with strong expertise in Palantir Foundry and experience in executing projects and tasks from conception to final product including both technical and customer needs. Along with the ty...
Date Posted: 02/27/2026 Recommended
-
Sr ServiceNow Product Owner
Reston, VA
Job Title: ServiceNow Sr Product Owner Type: Contract To Hire Compensation: $73/HR Contractor Work Model: Hybrid Must be USC/GC holder per client LOCATION: Hybrid - onsite 1-2x / week in Reston, VA. Onsite interview. System One is seeking a ServiceNow ...
Date Posted: 03/06/2026 Recommended
-
Test Engineer/Analyst
Columbia, South Carolina
Job Title: Test Engineer Analyst Location: Columbia, SC Type: Direct Hire Compensation: $75-85K salary Contractor Work Model: Hybrid Per client requirement must be USC Overview We are seeking an experienced Test Engineer Analyst with 5+ years of experi...
Date Posted: 02/27/2026 Recommended
-
Application Architect
Bethesda, MD
Job Title: Application Architect Location: Bethesda, MD Type: Contract To Hire Compensation: 170- 190K Contractor Work Model: Hybrid (2 to 3 days on site in Bethesda MD) The Senior Application Architect is responsible for developing and evolving applic...
Date Posted: 02/23/2026 Recommended
-
Senior Application Support Engineer (Site Reliability Engineer)
Indianapolis, Indiana
Senior Application Support Engineer (Site Reliability Engineer) Location: Indianapolis, IN Role Type: 6+ months contract – very good chance to extend or roll permanent Work Schedule: Onsite 5 days a week / Rotational on call participation (typically 1–...
Date Posted: 03/04/2026 Recommended
-
Elastic Engineer
Herndon, VA
Elastic Engineer Direct Hire On-Site, Dulles, VA (Herndon, VA) Salary: $140,000 annually, plus benefits Federal End Customer Minimum Active Secret clearance with TS eligibility System One IT is staffing a direct-hire opening for an Elastic Engineer to ...
Date Posted: 01/06/2026 Recommended
-
System Engineer 3
Fort Meade, MD
Position Title: System Engineer (SE) – Level 3 Job Requirements Position Clearance: TS/SCI Lifestyle Poly Position Location: Fort Meade, MD - ONSITE Position Summary: The System Engineer Level 3 is responsible for analyzing requirements, developing sys...
Date Posted: 03/03/2026 Recommended
-
Nuclear Training Material Developer - Operations Training
Kemmerer, WY , Wyoming
Job Title: Nuclear Training Material Developer - Operations Training Location: Kemmerer, WY , Wyoming Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52 - $85 hourly Contractor Work Model: Remote Paid Holidays | PTO System ...
Date Posted: 03/09/2026 Recommended
-
Senior SDET / Full Stack Engineer (Java & Automation)
Reston, VA
Job Title: Senior SDET / Full Stack Engineer (Java & Automation) Location: Reston, VA – Mostly remote Type: Contract Contact: Crystal.dinnocenti@systemone.com PURPOSE: Performs complex analysis, design, development, testing, and debugging of computer s...
Date Posted: 02/06/2026 Recommended
-
Enterprise Architect - Azure
Washington, DC
Enterprise Architect – Azure Washington, DC - hybrid/remote Contractor Work Model: Hybrid - up to fully remote, with occasional onsite meetings scheduled in advance Security Clearance: Must be able to obtain a public trust clearance (DOJ Public Trust p...
Date Posted: 03/11/2026 Recommended
-
ServiceNow SecOps SME
Herndon, VA
ServiceNow SecOps Location: Dulles, VA (Hybrid Position) Salary is Negotiable Clearance: at least a Secret, clearable to a TS/SCI We are seeking a ServiceNow SecOps SME to design, develop, and implement ServiceNow Security Operations (SecOps) solutions...
Date Posted: 02/04/2026 Recommended
-
AxiomSL Developer - Contractor
Farmers Branch, TX
Position Title: AxiomSL Developer Position Location: Dallas, TX Duration – 12 Months Employment Type - This is for W2 Employment Roles and Responsibilities: *Configuring regulatory reports in AxiomSL *Testing and onboarding patches in AxiomSL • Modify ...
Date Posted: 02/26/2026 Recommended
-
Test Design Engineer
Bellevue, WA
Job Title: Test Design Engineer Location: Bellevue, WA Type: Long-term Contract Contractor Work Model: Remote or Onsite Position Overview: We are seeking a highly motivated and skilled Test Design Engineer to join our Instrumentation and Control (I&C) ...
Date Posted: 02/23/2026 Recommended
-
I&C Design Engineer Lead
Bellevue, WA
System One is seeking an experienced Instrumentation & Controls (I&C) Design Engineer to support advanced nuclear reactor development. This contract position supports system design, prototype development and testing, plant-level system integration, and...
Date Posted: 02/23/2026 Recommended