Senior Mobile Developer

Job Title: Senior Mobile Developer

Location: Washington, DC

Duration: Full-time (Direct Hire)

Schedule: Hybrid Role

Job Description:

About the Role

As a Senior Mobile Developer, you will design and implement mobile application features that support real-time, location-aware, and media-rich user experiences. You will work across mobile clients, backend APIs, and advanced AR technology.

This role is ideal for an engineer with strong mobile development experience who is comfortable building production applications for iOS and Android. Experience with Kotlin Multiplatform, Swift, AR technology, ARKit/ARCore, geolocation, and video streaming is strongly preferred.

Responsibilities:

• Design and develop mobile application features for iOS and Android.
• Build mobile capabilities involving AR technology, geolocation, camera access, mapping, video streaming, and real-time user workflows.
• Develop mobile applications using Swift, Kotlin, Kotlin Multiplatform, ARKit/ARCore.
• Integrate mobile clients with secure backend APIs, authentication services, and cloud-based platform capabilities.
• Support mobile workflows involving user onboarding, permissions, role-based access, and secure data access.
• Work with backend, AI/ML, computer vision, product, infrastructure, and security teams to integrate mobile features into the broader platform.
• Improve mobile application performance, reliability, usability, and debuggability across production environments.
• Help evaluate mobile architecture decisions and technical tradeoffs as the platform evolves.

Required Qualifications:

• 5+ years of professional mobile, software, or application engineering experience.
• Experience building production mobile applications for iOS, Android, or cross-platform mobile environments.
• Experience with Swift, Kotlin, Kotlin Multiplatform, ARKit/ARCore .
• Experience integrating mobile applications with backend APIs, authentication systems, databases, or cloud services.
• Experience with geolocation, device sensors, camera functionality, video workflows, or similar mobile platform capabilities.
• Strong understanding of mobile performance, reliability, networking, offline behavior, and user experience tradeoffs.
• Strong debugging, communication, and cross-functional collaboration skills.