System One logo

Mobile Developer

System One
  • Merrifield, VA
  • Quick Apply
9 days ago
System One

Job Description

Mobile Developer
Hybrid in Vienna, VA, Winchester, VA, Pensacola, FL, or San Diego, CA
Long Term Contract
W2 & C2C Options


Description
To support the development, maintenance, and enhancement of the organization's mobile banking applications across iOS and Android platforms. Mobile Developers are embedded within cross-functional Agile teams and play a critical role in delivering secure, reliable, and user-friendly digital experiences to millions of members. This role involves technical execution, platform advocacy, and collaboration across disciplines to ensure high-quality mobile solutions aligned with business goals and member needs.

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)

Qualifications

• Bachelors 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

Career Levels

Associate Mobile Developer (Level 1)
Focus: Learning and foundational contribution

Technical Responsibilities:
• Build small features and bug fixes under guidance
• Participate in Agile ceremonies and code reviews
• Learn platform tools and development practices
• Pair with senior developers for mentorship
Soft Skills:
• Curiosity
• Adaptability
• Clear communication
• Team collaboration

Mobile Developer (Level 2)
Focus: Independent contribution and platform ownership

Technical Responsibilities:
• Own moderately complex features and bug fixes
• Represent mobile platform within Agile team
• Collaborate with designers, analysts, and product owners
• Begin mentoring junior developers
Soft Skills:
• Accountability
• Cross-functional communication
• Proactive problem-solving

Senior Mobile Developer (Level 3)
Focus: Technical leadership and cross-team collaboration

Technical Responsibilities:
• Lead development of complex features and platform initiatives
• Influence architecture and reusable components
• Mentor junior developers and drive platform standards
• Represent mobile in cross-team efforts
Soft Skills:
• Leadership
• Strategic thinking
• Coaching
• Platform advocacy

Principal Mobile Developer (Level 4)
Focus: Vision-setting and enterprise-level influence

Technical Responsibilities:
• Define mobile platform strategy across release trains
• Lead enterprise-wide mobile initiatives and innovation
• Introduce new tools, frameworks, and practices
• Advocate for mobile excellence across the organization
Soft Skills:
• Visionary leadership
• Change management
• Thought leadership
• Enterprise collaboration






Ref: #851-Rockville-S1


Numbers & Facts

LocationMerrifield, VA
IndustryStaffing/Employment Agencies
Company Size2,500 to 4,999 employees
Websitehttps://systemone.com

About Company

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 

Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

Skills

  • Agile Programming Methodologiesunmatched
  • Analysis Skillsunmatched
  • Androidunmatched
  • Apple Xcodeunmatched
  • Application Programming Interface (API)unmatched
  • Backlog Prioritizationunmatched
  • Banking Servicesunmatched
  • Best Practicesunmatched
  • Change Managementunmatched
  • Coachingunmatched
  • Code Reviewsunmatched
  • Communication Skillsunmatched
  • Computer Scienceunmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Integrationunmatched
  • Cross-Functionalunmatched
  • Debugging Skillsunmatched
  • Embedded Programming Languagesunmatched
  • Emerging Technologyunmatched
  • Equipment Maintenance/Repairunmatched
  • Javaunmatched
  • Kotlinunmatched
  • Leadershipunmatched
  • Maintain Complianceunmatched
  • Mentoringunmatched
  • Mobile Applicationsunmatched
  • Mobile Applications Developmentunmatched
  • Mobile Operating Systemunmatched
  • Objective-C Programming Languageunmatched
  • Performance Managementunmatched
  • Performance Tuning/Optimizationunmatched
  • Problem Solving Skillsunmatched
  • REST (Representational State Transfer)unmatched
  • Requirements Managementunmatched
  • Software Testingunmatched
  • Sprint Planningunmatched
  • Swiftunmatched
  • Team Playerunmatched
  • Technical Leadershipunmatched
  • Thought Leadershipunmatched
  • Trend Analysisunmatched
  • Unit Testunmatched
  • User Interface/Experience (UI/UX)unmatched
  • iOSunmatched

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