IOS Software Engineer

European Recruitment BV; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

European Recruitment BV is seeking an iOS Software Engineer to own the iOS client experience, focusing on AI-driven interactions in production-grade apps. You will design and build the iOS application with Swift and SwiftUI, ensuring performance, reliability, and user trust.

You will collaborate with backend and ML teams to integrate AI features via APIs, craft UX patterns for latency and partial failures, and optimize memory usage and battery impact while shipping maintainable code across

Qualifications

• 3+ years of iOS development using Swift.
• Hands-on experience integrating AI features into mobile apps.
• Strong understanding of async/await, concurrency and background tasks.
• Solid iOS performance and memory optimization skills.
• Experience shipping production iOS apps.
• Familiarity with latency, partial failure and non-deterministic AI behavior.
• Exposure to CoreML or on-device ML.

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 with backend and ML engineers on API design and system behavior.
• Maintain high App Store quality, stability, and production reliability.

Skills

Swift

SwiftUI

AI integration

Async/Await

Performance optimization

Memory optimization

Production apps

CoreML

Remote configuration

Job description

Role

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.

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.

Ideal Experiences

• 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.

Outcomes

• 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.

Tech Stack

• Swift

• SPM

• SwiftUI

• SQL / noSQL

• TensorFlow Lite (on-device inference)