iOS Mobile Developer (Swift)
$100,000–$160,000 year
On-siteReston, Virginia, United States
Job Summary
Conduct real-time speech translation on hardware-constrained iPhones by integrating on-device ML inference frameworks like Core ML and ONNX Runtime. Manage the full audio pipeline using AVAudioEngine, including voice activity detection, buffer management, and background OTA model delivery via resumable URLSession. Coordinate peer-to-peer transcript sharing through MultipeerConnectivity while ensuring Swift concurrency safety across all services. Ship production releases through a federal accreditation pipeline, optimizing memory and performance for 6GB devices. Requires 5+ years of Swift production experience, direct hardware-level audio work, and ability to hold a clearance in a federal environment.
Required Qualifications
- 5+ years shipping production iOS apps in Swift
- Direct experience with AVAudioEngine or AudioUnit at the hardware callback level
- Track record integrating ML or signal-processing frameworks into iOS apps (Core ML, ONNX, TensorFlow Lite, or similar)
- Proficiency managing memory and performance on constrained devices using Instruments
- Experience with background URLSession and resilient download/upload systems
- Comfort with protocol-oriented architecture, multi-module Swift packages, and testable service layers
- Ability to hold a clearance and work in a federal compliance environment
Desired Qualifications
- FISMA experience
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