Amtex Systems
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Job Title: iOS Developer (React Native) Location: Oak Park, IL (hybrid from Day 1) Long Term Contract Must Have: React Native iOS Swift UI Candidates with deep architectural knowledge, strong speech recognition experience and the ability to reverse engineer complex mobile applications. Overview: We are looking for a Senior React Native Developer with deep iOS expertise to help architect and evolve our mobile platform. You will be responsible for dissecting a complex super app, integrating advanced iOS-native features, and leading efforts in speech recognition and dialect tuning on iOS. Key Responsibilities: Deconstruct and document the architecture of a large React Native super app. Lead the integration of iOS-native modules and optimize the bridge between Swift/Objective-C and React Native. Implement and fine-tune iOS-native speech recognition (e.g., Apple Speech Framework) with dialect testing. Define and enforce architectural best practices, modular design, and scalable code structure. Conduct technical deep-dives and lead knowledge transfer sessions. Collaborate with product, design, and QA teams to ensure seamless user experiences. Required Skills: 57 years of React Native development experience. Strong proficiency in Swift and Objective-C with deep knowledge of iOS internals. Hands-on experience with Apples Speech Framework and Core ML for speech tuning. Expertise in iOS design patterns (MVC, MVVM, VIPER). Experience with reverse engineering and architectural analysis of large codebases. Familiarity with iOS performance tools (Instruments, Xcode Profiler). Proven experience in dialect testing and speech model optimization. Nice to Have: Experience with SwiftUI. Familiarity with App Store deployment and TestFlight workflows. Contributions to open-source iOS or React Native projects. Seniority level
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Information Technology, Consulting, and Analyst Industries
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Oak Park, IL . Chicago, IL $100,000.00-$110,000.00 2 days ago Chicago, IL $63,288.00-$91,768.00 2 days ago Chicago, IL $63,288.00-$91,768.00 1 week ago Westmont, IL $95,000.00-$107,000.00 1 week ago Chicago, IL $87,480.00-$142,200.00 6 days ago Chicago, IL $175,000.00-$225,000.00 1 week ago Chicago, IL $68,000.00-$110,000.00 3 days ago Chicago, IL $1,000.00-$2,000.00 2 months ago Chicago, IL $120,000.00-$200,000.00 1 month ago Chicago, IL $68,000.00-$90,000.00 2 days ago Chicago, IL $80,000.00-$90,000.00 1 week ago College Graduates - Full-Time - Junior Software Engineer (2026)
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Job Title: iOS Developer (React Native) Location: Oak Park, IL (hybrid from Day 1) Long Term Contract Must Have: React Native iOS Swift UI Candidates with deep architectural knowledge, strong speech recognition experience and the ability to reverse engineer complex mobile applications. Overview: We are looking for a Senior React Native Developer with deep iOS expertise to help architect and evolve our mobile platform. You will be responsible for dissecting a complex super app, integrating advanced iOS-native features, and leading efforts in speech recognition and dialect tuning on iOS. Key Responsibilities: Deconstruct and document the architecture of a large React Native super app. Lead the integration of iOS-native modules and optimize the bridge between Swift/Objective-C and React Native. Implement and fine-tune iOS-native speech recognition (e.g., Apple Speech Framework) with dialect testing. Define and enforce architectural best practices, modular design, and scalable code structure. Conduct technical deep-dives and lead knowledge transfer sessions. Collaborate with product, design, and QA teams to ensure seamless user experiences. Required Skills: 57 years of React Native development experience. Strong proficiency in Swift and Objective-C with deep knowledge of iOS internals. Hands-on experience with Apples Speech Framework and Core ML for speech tuning. Expertise in iOS design patterns (MVC, MVVM, VIPER). Experience with reverse engineering and architectural analysis of large codebases. Familiarity with iOS performance tools (Instruments, Xcode Profiler). Proven experience in dialect testing and speech model optimization. Nice to Have: Experience with SwiftUI. Familiarity with App Store deployment and TestFlight workflows. Contributions to open-source iOS or React Native projects. Seniority level
Seniority level
Mid-Senior level Employment type
Employment type
Contract Job function
Job function
Information Technology, Consulting, and Analyst Industries
IT Services and IT Consulting Referrals increase your chances of interviewing at Amtex Systems Inc by 2x Get notified about new iOS Developer jobs in
Oak Park, IL . Chicago, IL $100,000.00-$110,000.00 2 days ago Chicago, IL $63,288.00-$91,768.00 2 days ago Chicago, IL $63,288.00-$91,768.00 1 week ago Westmont, IL $95,000.00-$107,000.00 1 week ago Chicago, IL $87,480.00-$142,200.00 6 days ago Chicago, IL $175,000.00-$225,000.00 1 week ago Chicago, IL $68,000.00-$110,000.00 3 days ago Chicago, IL $1,000.00-$2,000.00 2 months ago Chicago, IL $120,000.00-$200,000.00 1 month ago Chicago, IL $68,000.00-$90,000.00 2 days ago Chicago, IL $80,000.00-$90,000.00 1 week ago College Graduates - Full-Time - Junior Software Engineer (2026)
Chicago, IL $145,000.00-$175,000.00 1 week ago Chicago, IL $100,000.00-$120,000.00 10 hours ago Chicago, IL $87,000.00-$147,900.00 1 week ago Backend/API Engineer, Money as a Service (US)
Chicago, IL $150,500.00-$269,200.00 4 days ago Were unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr