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Note: The job is a remote job and is open to candidates in USA. Level Home is redefining the smart home with innovative technology and is seeking a highly skilled iOS Developer to build the next generation of the Level app. This role involves developing features for controlling smart home devices, ensuring a seamless user experience, and collaborating with various teams to deliver polished, reliable applications. Responsibilities Build high-performance, scalable features in Swift, following modern iOS architecture (MVVM or equivalent) and Apple Human Interface Guidelines Implement UI/UX that reflects Levels design philosophyclean, intuitive, Apple-like polish Own components across the full lifecycle: architecture, implementation, testing, deployment, and iterative improvements Develop and refine BLE communication flows for device setup, control, firmware updates, and diagnostics Work closely with firmware and hardware teams to define data models, command protocols, and reliability improvements Ensure low-latency, reliable connections across various device states and environmental conditions Implement secure credentialing, user permissions, digital keys, and end-to-end encryption mechanisms used in Levels smart locks and access features Work with cloud engineering to integrate mobile authentication flows, keychain usage, and secure storage patterns Contribute to mobile frameworks, SDKs, and shared libraries used across the app Improve app performance, resource usage, and background execution related to BLE scanning, state restoration, and HomeKit-like flows A passion for new iOS technologies, tools, and best practices Partner with design, product, firmware, QA, and security teams to bring polished, reliable features to market Participate in design reviews, code reviews, and technical discussions with an emphasis on clarity and craftsmanship Skills 5+ years of professional iOS development experience Expert proficiency in Swift and strong understanding of iOS frameworks Demonstrated experience shipping production-grade, consumer-facing iOS apps Experience with Bluetooth Low Energy (BLE) communication, CoreBluetooth APIs, or similar IoT connectivity Strong grasp of async programming, concurrency, and performance optimization on iOS Experience building modular, testable codebases (unit testing + UI testing) Understanding of secure storage, keychain APIs, networking, RESTful services, and mobile state management Strong appreciation for elegant UX and polish Ability to collaborate with designers to translate mocks into pixel-perfect interfaces Familiarity with Apple HIG and accessibility guidelines Smart home, consumer IoT, access control, or connected-device experience Knowledge of HomeKit, Matter, or similar ecosystems Experience working closely with firmware or hardware teams Experience with automated regression testing, snapshot testing, or CI pipelines for mobile Experience building custom animations, transitions, and subtle micro-interactions Benefits Paid time off A bonus plan A 401(k) plan Education assistance Company Overview Level Home is a startup that specializes in home automation and smart home control. It was founded in 2016, and is headquartered in Redwood City, California, USA, with a workforce of 51-200 employees. Its website is https://level.co/. Apply To this Job Company : Level Home Salary : 130K220K a year .
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Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
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.