iOS Mobile Developer (Swift)

Location: Reston, Virginia, United States

Salary: $100,000–$160,000 per year

Company

hirify.global delivers software and technology services for mission-critical federal government projects, including application development, identity management, cloud optimization, modernization, and data management.

What you will do

• Build and maintain a production iOS application for real-time, on-device speech capture, recognition, translation, and text-to-speech.
• Integrate Core ML, ONNX Runtime, WhisperKit, and other vendor-provided ML inference frameworks without training models.
• Develop the real-time audio pipeline with AVAudioEngine, voice activity detection, and hardware-priority buffer management.
• Implement resumable background model downloads with URLSession, state persistence, and network transition handling.
• Enable peer-to-peer transcript sharing through MultipeerConnectivity.
• Own architecture, memory management, performance, error recovery, testing, and production releases.

Requirements

• 5+ years of experience shipping production iOS applications with Swift.
• Direct experience with AVAudioEngine or AudioUnit at the hardware callback level.
• Experience integrating ML or signal-processing frameworks into iOS applications.
• Strong knowledge of memory and performance optimization on constrained devices using Instruments.
• Experience with background URLSession and resilient download or upload systems, plus protocol-oriented architecture and modular Swift packages.
• Ability to hold a security clearance and work in a federal compliance environment.

Nice to have

• FISMA experience.

Culture & Benefits

• Flexible time-off policy, flexible work schedules, and telework options for eligible projects.
• Health plans with dental and vision coverage, flexible spending accounts, commuter benefits, and life insurance.
• 401(k) matching with a 5% matching contribution.
• Mentorship, technical and management training, tuition reimbursement, and paid training opportunities.
• Community engagement programs, donation matching, volunteer time off, and regular social events.