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Contractual Ios Swift Developer Jobs in Washington

SmartIPlace

Mobile UI Developer (iOS)

Mclean, VA · On-site

$70 - $80/hr

Mobile UI developer 3 days office in Mclean, Ideal candidate would be in Mclean but NY is fine Role ... Swift , Jenkins Role is customer facing roles, good communication must have

Dev Technology

iOS Mobile Developer (Swift)

Reston, VA · On-site +1

$100K - $160K/yr

iOS Mobile Developer, #1084 iOS Engineer -- On-Device Translation Platform | DHS/ICE Mission ... contractual requirements. *Compensation may fall outside this range when appropriate. Who We Are ...

Dev Technology

iOS Mobile Developer (Swift)

Reston, VA · On-site

$100K - $160K/yr

... iOS Mobile Developer, #1084 iOS Engineer - On-Device Translation Platform | DHS/ICE Mission ... contractual requirements. *Compensation may fall outside this range when appropriate. Who We Are ...

Varmoda Tech LLC

iOS Developer

Mclean, VA · On-site

$53 - $73/hr

Design, build, and maintain native iOS applications primarily in Swift (Objective C acceptable ... Mentor iOS engineers and raise the technical bar of the mobile team Required Qualifications * 10+ ...

TechWish

iOS Developer

Vienna, VA · On-site

$52 - $71.50/hr

Senior iOS Developer Vienna, VA ( Hybrid - Weekly two days Onsite) Face to Face Interview Locals ... Experience developing native iOS applications written in Swift using the latest versions of the ...

Excyl Inc

IOS Developer

Washington, DC · On-site

$58.50 - $80.75/hr

... Engineering, Clerical and Light Industrial professionals Key Responsibilities ... Develop and maintain advanced iOS applications using Swift and Xcode . * Build clean, reusable, and ...

Excyl Inc

IOS Developer

Washington, DC · On-site +1

$58.50 - $80.75/hr

... Engineering, Clerical and Light Industrial professionals Key Responsibilities ... Develop and maintain advanced iOS applications using Swift and Xcode . * Build clean, reusable, and ...

The Britton Group

iOS Developer

Dulles, VA · On-site

$51.25 - $70.50/hr

Apple iOS Developer Location: Dulles / Chantilly, Virginia Clearance Requirement: Active U.S ... Understanding of CNE techniques and methodologies on macOS or iOS * Objective-C, Swift, or C ...

The Britton Group

iOS Developer

Dulles, VA · On-site

$51.25 - $70.50/hr

Apple iOS Developer Location: Dulles / Chantilly, Virginia Clearance Requirement: Active U.S ... Understanding of CNE techniques and methodologies on macOS or iOS * Objective-C, Swift, or C ...

Jobsbridge

Sr. iOS Developer

Gaithersburg, MD · On-site

$56 - $77/hr

Skill iOS SDK, Objective-C, SWIFT, Xcode, JSON, x, XML - iOS SDK, Objective-C, SWIFT, Xcode, JSON, x, XML Location Gaithersburg, MD Total Experience 5 yrs. Max Salary Not Mentioned Employment Type ...

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iOS Mobile Developer (Swift)

Dev Technology

Reston, VA

$100K - $160K/yr

Full-time

Posted 29 days ago

Job description

iOS Mobile Developer, #1084

iOS Engineer - On-Device Translation Platform | DHS/ICE Mission Environment

What You'll Build

A real-time speech translation app that runs entirely on-device: audio capture speech recognition translation text-to-speech, coordinated across multiple services on hardware-constrained iPhones. You'll integrate vendor-provided ML models, manage background OTA model delivery from AWS, build peer-to-peer device communication, and ship to production through a federal accreditation pipeline.

What You'll Own

  • The iOS application: architecture, performance, memory management, and production releases
  • Integration of on-device ML inference frameworks (Core ML, ONNX Runtime, WhisperKit) - loading, lifecycle, error recovery - not training the models
  • Real-time audio pipeline: AVAudioEngine, voice activity detection, buffer management at hardware-thread priority
  • Background model delivery: resumable multi-file downloads over URLSession, state persistence, network transition handling
  • Peer-to-peer transcript sharing between devices via MultipeerConnectivity
  • Swift concurrency across all of the above without data races, deadlocks, or jetsam kills on 6GB devices

What You Bring

  • 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 (FISMA experience is a plus, not a requirement - you'll have security and compliance teammates)

The estimated salary range for this position is $100,000 - $160,000. This salary range is not a guarantee of compensation. The offered salary will be based on factors including relevant experience, geographic location, internal equity, and applicable contractual requirements. *Compensation may fall outside this range when appropriate.

 

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