iOS Developer (Healthtech)

TL;DR

iOS Developer (Swift/SwiftUI): Developing a health-focused iOS application for a screen-less wearable device with an accent on real-time sensor data processing and Bluetooth synchronization. Focus on building a high-performance, scalable app architecture to help users restore balance in daily life.

Location: Hybrid (Amsterdam, Netherlands)

Company

hirify.global creates wearable jewelry capable of measuring vital signs and analyzing data to help people restore balance in their daily lives.

What you will do

• Build high-quality, scalable, and efficient iOS applications using Swift and SwiftUI.
• Integrate Bluetooth-enabled wearables to ensure accurate data transmission and synchronization.
• Optimize real-time data processing for low latency and power efficiency.
• Collaborate with designers, backend engineers, and firmware developers to ensure a seamless product experience.
• Design and implement clean, modular, and maintainable code using best practices.
• Conduct unit and UI testing, debugging, and performance profiling.

Requirements

• Expertise in Swift, SwiftUI, and UIKit.
• Deep understanding of Swift concurrency (async/await, Task, actor, Sendable).
• Proficiency in the Combine framework and Core Data (modeling, migrations, concurrency).
• Experience with performance optimization using Instruments (CPU, memory, energy).
• Knowledge of MVVM or Clean Architecture.
• Must be based in or able to work from the Amsterdam office in a hybrid setup.

Nice to have

• Experience with Core Bluetooth, HealthKit, or similar frameworks.
• Understanding of BLE communication and sensor-based data handling.
• Experience implementing on-device ML models.
• Knowledge of background processing and low-power optimization.

Culture & Benefits

• Hybrid working environment with a great office in the heart of Jordaan, Amsterdam.
• Provision of a MacBook and a hirify.global (Model X) device.
• 27 days of annual holiday.
• Regular team events and seasonal celebrations.
• Collaborative, mission-driven startup culture with opportunities for growth.