iOS Mobile Developer

Salary: $69000 - 118000 per year Requirements: Bachelors degree required U.S. citizenship required 1 year of experience in agile product development preferred 1 year of iOS development experience preferred 1 year of Android development experience preferred Strong hands-on knowledge of Swift and SwiftUI Understanding of networking fundamentals, including the OSI model and Wireshark Ability to create clear documentation for requirements and technical specifications Familiarity with UML modeling Experience working with agile tools such as Jira and Bitbucket/git Knowledge of Apple and Google Human Interface Guidelines Exposure to architectural approaches such as MVVM Strong analytical thinking and troubleshooting ability Additional experience with C++, C#, Kotlin, or React Native is a plus Responsibilities: Build next-generation mobile applications for phones, tablets, voice devices, TVs, cars, watches, and related platforms Collaborate closely with back-end developers, systems architects, and security specialists Help ensure our software is fast, secure, reliable, and production-ready Contribute to requirements gathering, technical design, agile delivery, and customer discussions Apply existing development expertise while keeping up with emerging technologies and innovations Participate in team-based problem solving with a collaborative and humble mindset Support code quality and product readiness through thoughtful engineering and testing Grow with mentorship and, over time, help mentor others on the team Technologies: Android BitBucket C# Git IoT Support JIRA Kotlin Mobile MVVM React React Native Security Swift UML iOS AI Embedded More: We are Keystone AI, a technology company founded in 2001 and based in Annapolis, Maryland. For more than 24 years, we have delivered advanced mobile and multi-platform solutions across iOS, Android, TVs, IoT, automotive, financial, medical, and entertainment sectors, supporting some of the worlds largest and most innovative companies. We offer comprehensive benefits including health, vision, dental, life insurance, disability coverage, a generous 401(k) plan, paid time off, tuition reimbursement, referral rewards, and other growth-oriented perks. Our culture emphasizes continuous learning, innovation, teamwork, humility, and hands-on mentorship, with a structured onboarding experience that includes direct time with our founders and ongoing support from mentors. The role is full-time, in person in Annapolis, and offers compensation of $70,000 to $120,000 per year. last updated 25 week of 2026