Haystack
← Back to Jobs
Technology

Mobile Developer

System OneMerrifield, VA🇺🇸United StatesPosted 11 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Title: Mobile Developer
Location: Hybrid reporting to Vienna/Winchester, VA, Pensacola, FL or San Diego, CA

Pay Rate: Open to Both C2C and W2 options 
Position Type: Multiyear Contract

 
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
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

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

Skills

Objective-C
Swift
Agile
Java
Kotlin
SAFe
Xcode
iOS
Android

Similar jobs