iOS Engineer: Bluetooth-Enabled Device App & Onboarding

Kindredventures; San Francisco (CA); On-site; USD 120,000 - 190,000; Full time

Job summary

Opal is building a series of new devices and experiences designed to surprise and delight users. We are seeking an iOS-focused engineer to craft the mobile experience that connects our devices to people’s daily lives, from first pairing to everyday use.

Join a team focused on seamless, low-latency communication between apps, devices, and cloud services, while delivering polished, high-performance interfaces across a range of iOS devices and OS versions.

Qualifications

• 3–6 years of experience building and shipping native iOS applications.
• Fluent in Swift and SwiftUI, with a strong grasp of UIKit and the broader Apple ecosystem.
• Design and build intuitive interfaces for pairing, controlling, and managing hardware devices over Bluetooth/BLE and Wi‑Fi.
• Well-versed in iOS app lifecycle, background activity, and ensuring uninterrupted peripheral device connectivity with the app in the background.
• Partner closely with firmware and cloud teams to build seamless, low-latency communication between the app, device, and backend.
• Own onboarding, account, and OTA update flows that feel effortless to the end user.
• Optimize for performance and reliability across a wide range of iOS devices and OS versions.
• Obsess over craft and polish, treating animation, interaction, and detail as core to the product experience.
• Ability to move fast in an environment where things are sometimes loosely defined.

Responsibilities

• Design and implement iOS apps using Swift and SwiftUI.
• Develop intuitive UI for pairing and controlling hardware via Bluetooth/BLE and Wi-Fi.
• Collaborate with firmware and cloud teams to ensure low-latency communication.
• Own onboarding, accounts, and OTA update flows.
• Optimize performance across a broad range of devices and iOS versions.

Skills

Swift

SwiftUI

UIKit

Bluetooth/BLE

iOS Ecosystem

Tools

Xcode

Job description

Opal is building a series of new devices and experiences designed to surprise and delight users. We are seeking an iOS-focused engineer to craft the mobile experience that connects our devices to people’s daily lives, from first pairing to everyday use.

Join a team focused on seamless, low-latency communication between apps, devices, and cloud services, while delivering polished, high-performance interfaces across a range of iOS devices and OS versions.