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About The Role We are looking for a Native iOS Developer to build and maintain mobile applications for a connected-device platform. The app is an always-online solution that relies on the cloud for permission validation and access generation, while interacting with hardware over Bluetooth (BLE) and supporting NFC/RFID credentials. You will own feature development, maintenance, and production support, working closely with Cloud, Firmware, DevOps, and QA teams to deliver releases on time. Key Responsibilities Native iOS development using Swift and the current iOS SDK Implement recent features based on product requirements Maintain existing applications, including bug fixes and performance optimization Integrate with backend APIs and cloud services (AWS-hosted) Implement device communication over BLE (CoreBluetooth) and support NFC/RFID flows Implement UI/UX following design specifications and platform guidelines Manage app store submission, builds, and release management Write unit and UI tests to minimize defects and reproduce intermittent issues Troubleshoot and provide fast-turnaround hotfixes for production issues Conduct code reviews and maintain technical documentation Collaborate closely with the Cloud/Web team on API integration Required Skills & Experience Expert-level native iOS development (Swift, current iOS SDK) Solid experience with RESTful and GraphQL API integration Mobile-specific security : certificate pinning, secure credential storage, token-based auth (JWT, Cognito or similar) Hands-on BLE experience (CoreBluetooth); familiarity with encrypted device communication Robust understanding of mobile UI/UX patterns and Apple Human Interface Guidelines Experience with CI/CD pipelines for mobile applications Familiarity with app store submission processes (TestFlight, Apple App Store) Build/dependency tooling : Xcode, CocoaPods, Swift Package Manager Testing frameworks : XCTest, XCUITest Preferred / Nice To Have Experience with IoT / connected-device companion apps (strongly preferred) Experience with OTA firmware update flows Exposure to NFC/RFID credential encoding (ref:hirist.tech) .
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The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.