iOS Developer

System One, Inc.; Merrifield (VA); Hybrid; USD 83,000 - 124,000; Full time

Benefits offered by this job

Health insurance

Dental coverage

Vision care

Spending accounts

Life insurance

Voluntary plans

401(k) plan

Job summary

System One, Inc. is hiring an iOS Developer to design, build, and maintain mobile banking features for iOS and possibly Android. The role is contract, with a hybrid work model (onsite in Vienna, VA and remote).

The ideal candidate will have a Bachelor’s degree in CS or related field and progressive mobile development experience, including REST APIs, SAFe/Agile, and strong testing and collaboration skills.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Progressive experience in mobile application development.
• Experience with iOS/Android development and REST APIs.

Responsibilities

• Design, develop, and maintain mobile banking features for iOS and/or Android.
• Resolve production issues and improve platform stability/performance.
• Collaborate with cross-functional Agile teams including front-end, back-end, and product stakeholders.
• Participate in Agile ceremonies and sprint planning/backlog refinement.
• Adhere to platform-specific development standards and best practices.
• Write and maintain unit and UI tests; participate in code reviews.
• Stay current with mobile OS updates and emerging technologies.
• Contribute to reusable component libraries and mentor junior developers.
• Support enterprise mobile initiatives and influence platform strategy.

Skills

Swift

Objective-C

Xcode

Kotlin

Java

Android Studio

REST APIs

SAFe

Testing

Communication

Education

Bachelor’s degree in CS or related field

Tools

CI/CD

Xcode

Android Studio

Job description

Job Title: iOS Developer
Location: Vienna, VA
Type: Contract
Work Model: Hybrid – onsite and remote

Responsibilities

• Design, develop, and maintain mobile banking features for iOS and/or Android platforms
• Resolve production issues and contribute to platform stability and performance improvements
• Collaborate with cross-functional Agile teams including front-end, back-end, and product stakeholders
• Participate in Agile ceremonies and contribute to sprint planning and backlog refinement
• Ensure adherence to platform-specific development standards and best practices
• Write and maintain unit and UI tests; participate in peer code reviews
• Stay current with mobile OS updates, development trends, and emerging technologies
• Advocate for platform excellence and contribute to reusable component libraries
• Mentor junior developers and contribute to team knowledge sharing
• Support enterprise-wide mobile initiatives and influence platform strategy (senior levels)

Requirements

• Bachelor’s degree in Computer Science or related field
• Progressive experience in mobile application development (level-dependent)
• Proficiency in: - iOS: Swift, Objective-C, Xcode - Android: Kotlin, Java, Android Studio
• Experience integrating RESTful APIs and third-party libraries
• Familiarity with Agile methodologies (SAFe preferred)
• Strong analytical, debugging, and problem-solving skills
• Effective communication and collaboration abilities
• Desired: Experience with CI/CD pipelines, mobile accessibility standards, and performance optimization

System One, and its subsidiaries including 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.