Mobile Application Developer, Lead (iOS/Android)

Company: Bickham Services Unlimited LLC Openings: 1 Employment Type: Full-Time W-2 or 1099/C2C Work Arrangement: Remote (U.S.), with occasional on-site attendance in Bethesda, Maryland Schedule: Eastern Time business-hours overlap required Travel: Minimal About the Opportunity Bickham Services Unlimited LLC is seeking an experienced Lead Mobile Application Developer to support the development and technical delivery of mobile application solutions for a federal program. The ideal candidate has hands-on experience delivering mobile applications for both iOS and Android platforms, with a strong understanding of application accessibility, authentication, and integration. This position is contingent on the contract being awarded. If awarded, the anticipated start date is December 2, 2026. Key Responsibilities Lead mobile application development activities for iOS and Android platforms. Design, develop, maintain, and improve mobile application functionality. Implement secure authentication and application integration solutions. Work with APIs and data formats, including JSON and XML. Apply accessibility standards to ensure applications meet Section 508 and WCAG 2.1 AA requirements. Coordinate with team members on technical requirements, application performance, and delivery milestones. Support testing, troubleshooting, and quality assurance activities. Document technical processes and development deliverables. Qualifications 5+ years of mobile application development experience. Demonstrated experience shipping a cross-platform application to both the Apple App Store and Google Play. Experience with React Native, Flutter, or native development using Swift and Kotlin. Knowledge of Section 508 and WCAG 2.1 AA accessibility requirements. Experience with OAuth, OIDC, SAML, and multi-factor authentication. Experience integrating APIs using JSON and XML. Strong problem-solving and technical communication skills. Ability to work independently and collaborate with a remote team. Working Conditions Remote (U.S.), with occasional on-site attendance in Bethesda, Maryland. Must maintain sufficient overlap with Eastern Time business hours. Minimal travel expected. Must be authorized to work in the United States and able to complete a federal background investigation and suitability determination. Written documentation must meet applicable Section 508 accessibility requirements. Employment Conditions This position is contingent on contract award, anticipated in late 2026....

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