Senior iOS Engineer – Hybrid (Vienna, VA)

Zillion Technologies, Inc.; Vienna (VA); Hybrid; USD 110,000 - 124,000; Full time

Benefits offered by this job

Medical insurance

401(k)

Job summary

Zillion Technologies, Inc. is seeking a Mobile Developer to support the development, maintenance, and enhancement of mobile banking applications across iOS and Android.

You will be embedded in cross-functional Agile teams to deliver secure, reliable, and user-friendly digital experiences for millions of members. The role requires design, development, and collaboration across disciplines to ensure high-quality mobile solutions aligned with business goals and member needs.

Qualifications

• :
• Bachelor’s degree in Computer Science or related field.
• Progressive experience in mobile application development (level-dependent).
• Proficiency in:
• - iOS: Swift, Objective-C, Xcode
• 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

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)

Skills

Mobile development

Swift

Objective-C

REST APIs

Xcode

Agile SAFe

Debugging

Team collaboration

Testing

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

Xcode

Third-party libraries

CI/CD pipelines

Job description

Zillion Technologies, Inc. is seeking a Mobile Developer to support the development, maintenance, and enhancement of mobile banking applications across iOS and Android.

You will be embedded in cross-functional Agile teams to deliver secure, reliable, and user-friendly digital experiences for millions of members. The role requires design, development, and collaboration across disciplines to ensure high-quality mobile solutions aligned with business goals and member needs.