Remote iOS Engineer — Real-Time On-Device Translation (Swift)

Dev Technology Group, Inc.; Reston (VA); On-site; USD 100,000 - 160,000; Full time

Benefits offered by this job

Generous time-off policy

Flexible telework options

Tuition reimbursement

Health plans with dental and vision

Job summary

Dev Technology Group is seeking an iOS Engineer for an on-device translation platform in Reston, VA. You will own the on-device real-time translation app, performance tuning, and memory management, while integrating Core ML/ONNX and WhisperKit within a constrained iPhone environment.

You will implement AVAudioEngine-based audio pipelines, Swift concurrency, and ensure robust production releases with secure, compliant processes for federal customers.

Qualifications

• 5+ years shipping production iOS apps in Swift (must-have).
• 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 (FISMA experience is a plus, not a requirement).

Responsibilities

• Own the iOS application architecture, performance, memory management, and production releases.
• Integrate on-device ML inference frameworks and manage loading, lifecycle, and error recovery.
• Maintain real-time audio pipeline using AVAudioEngine and VAD with careful threading priorities.
• Apply Swift concurrency across modules without data races or jetsam issues on 6GB devices.

Skills

5+ years shipping iOS apps

AVAudioEngine / AudioUnit expertise

ML/framework integration in iOS (Core 

Tools

AVAudioEngine

AudioUnit

Core ML

ONNX Runtime

WhisperKit

Job description

Dev Technology Group is seeking an iOS Engineer for an on-device translation platform in Reston, VA. You will own the on-device real-time translation app, performance tuning, and memory management, while integrating Core ML/ONNX and WhisperKit within a constrained iPhone environment.

You will implement AVAudioEngine-based audio pipelines, Swift concurrency, and ensure robust production releases with secure, compliant processes for federal customers.