Senior Level iOS Developer

Ethereum Technologies LLC; Vienna (VA); On-site; USD 95,000 - 125,000; Full time

Job summary

ETHEREUM TECHNOLOGIES LLC in Virginia is seeking a Mobile Developer to design, build, and maintain iOS features within cross-functional Agile teams, delivering secure, reliable mobile experiences for Navy Federal Credit Union users.

You will own moderately complex features, mentor juniors, and help shape platform standards while staying current with iOS trends and performance optimization.

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
• 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

iOS development

Swift

Objective-C

Xcode

RESTful APIs

Agile methodologies (SAFe)

Debugging & problem-solving

Education

Bachelor’s degree in Computer Science or related field

Tools

Swift

Objective-C

Xcode

REST APIs

Job description

Description

To support the development, maintenance, and enhancement of Navy Federal Credit Union’s mobile banking applications across iOS platform. 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
• 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
• 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

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

Equal Opportunity Statement

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract