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BJAK

iOS Software Engineer

BJAK

iOS Software Engineer building AI interactions and maintaining high-quality iOS applications for a smart assistant platform. Collaborating with teams to enhance user experience and app performance.

Posted 7/19/2026full-timeRemote • 🇩🇪 GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in iOS application development using Swift and SwiftUI, with a strong focus on integrating AI features and optimizing performance. Capable of designing user experiences that effectively manage AI interactions and user trust.

Highest-signal resume keywords
IOS Development Using SwiftAI Feature IntegrationPerformance OptimizationUser Experience Design for AICoreML Exposure

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
SwiftSwiftUIAsync/AwaitConcurrencyBackground TasksPerformance OptimizationMemory OptimizationAI UX PatternsFeature FlagsRemote Configuration
Soft Skills
CollaborationUser Feedback Capture
Industry Keywords
IOS ApplicationsAI InteractionsApp Store QualityProduction ReliabilityMachine Learning

Tech Stack

Tools & technologies
iOSSwift

About the role

Key responsibilities & impact
  • Own the iOS client experience, how AI feels, responds, and performs in users’ hands.
  • 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.

Requirements

What you’ll need
  • 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.

Benefits

Comp & perks
  • Health insurance
  • Professional development opportunities