iOS Developer

System One; San Diego (CA); Hybrid; USD 120,000 - 170,000; Full time

Job summary

System One is seeking an experienced iOS Developer for a contract position in San Diego, CA. The role involves designing, developing, and maintaining mobile banking features for iOS and Android platforms within a hybrid onsite/remote work model.

You will collaborate with cross-functional Agile teams, contribute to sprint planning, write tests, and mentor junior developers. A strong background in Swift/Objective-C and RESTful API integration is required.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Progressive experience in mobile application development.
• Proficiency in iOS and Android development stacks.
• Experience integrating RESTful APIs and third-party libraries.
• Familiarity with SAFe Agile methodologies.
• Strong analytical, debugging and problem-solving skills.
• Effective communication and collaboration abilities.

Responsibilities

• Design, develop, and maintain mobile banking features for iOS/Android.
• Resolve production issues and improve platform stability.
• Collaborate with cross-functional Agile teams and stakeholders.
• Participate in Agile ceremonies and sprint planning.
• Write unit and UI tests and perform code reviews.
• Mentor junior developers and share knowledge.

Skills

Agile methodologies

Communication skills

Problem solving

Education

Bachelor's degree in Computer Science

Tools

Swift

Objective-C

Xcode

Kotlin

Java

Android Studio

RESTful APIs

Job description

Job Title: iOS Developer
Location: San Diego, CA
Type: Contract
Compensation: Open to Both C2C and W2 options
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

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.