iOS Software Engineer

Protingent; Washington; Hybrid; USD 120,000 - 180,000; Full time

Job summary

Protingent Staffing is seeking an experienced iOS Software Engineer for a fully remote role with our client. You will own the iOS client experience and shape how AI feels, responds, and performs in users' hands.

You will build a production-grade iOS application, prioritize performance, reliability, and user trust, and collaborate with backend and ML engineers on API design and AI UX patterns.

Qualifications

• 3+ years of iOS development with Swift in production apps.
• Experience integrating AI features via backend APIs.
• Strong knowledge of concurrency and performance optimization.

Responsibilities

• Build and maintain iOS applications using Swift and SwiftUI.
• Integrate AI-powered features through backend APIs.
• Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.
• Optimize performance, memory usage, and battery efficiency.
• Capture user signals and feedback to support AI evaluation and iteration.
• Collaborate closely with backend and ML engineers on API design and system behavior.
• Maintain high App Store quality, stability, and production reliability.
• Stable, smooth, and reliable real-world use iOS applications.
• Performance is optimized: responsive, low-latency, and efficient on memory and CPU.
• Production issues are detected early, monitored effectively, and resolved with clear root-cause analysis.

Skills

Swift

SwiftUI

Async/Await

Memory optimization

Tools

TensorFlow Lite

CoreML

Remote config

Job description

Job Title

iOS Software Engineer

Position Description

Protingent Staffing has an exciting direct hire iOS Software Engineer with our client that is fully remote.

Job Description

As an iOS Software Engineer, you own the iOS client experience, how AI feels, responds, and performs in users' hands. This is not a thin integration role. You will build a production-grade iOS application where AI interactions are central to product experience, and performance, reliability, and user trust are critical.

Job Responsibilities

• Build and maintain iOS applications using Swift and SwiftUI.
• Integrate AI-powered features through backend APIs.
• Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.
• Optimize performance, memory usage, and battery efficiency.
• Capture user signals and feedback to support AI evaluation and iteration.
• Collaborate closely with backend and ML engineers on API design and system behavior.
• Maintain high App Store quality, stability, and production reliability.
• Stable, smooth, and reliable real-world use iOS applications.
• Performance is optimized: responsive, low-latency, and efficient on memory and CPU.
• Production issues are detected early, monitored effectively, and resolved with clear root-cause analysis.

Job Qualifications

• 3+ years of iOS development experience using Swift.
• Hands-on experience integrating AI-powered features into mobile apps.
• Strong understanding of async/await, concurrency, and background tasks.
• Solid iOS performance and memory optimization skills.
• Experience shipping and maintaining production iOS apps.
• Comfort designing for latency, partial failure, and non-deterministic AI behavior.
• Exposure to CoreML or light on-device ML.
• Familiarity with feature flags or remote configuration systems.
• Strong intuition for AI UX patterns and user trust considerations.

Must Have

• Swift SPM
• SwiftUI
• SQL / noSQL
• TensorFlow Lite (on-device inference)

Job Details

• Job Type: Direct Hire
• Pay Range: Market Rate
• Location: Fully Remote

About Protingent

Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation - from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.