Overview

Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases. At H&N; WORK, we create creative, mission-driven products that improve lives through advanced mobile technology. We are a compact, agile team that values innovation, ownership, and high-quality execution. As our key iOS lead, you will define the architecture, drive technical decisions, and guide the mobile product strategy for years to come.

About Us

At H&N; WORK, we create innovative, mission-driven products that improve lives through advanced mobile technology. We’re a compact, agile team that values innovation, ownership, and high-quality execution. As our key iOS lead, you will define the architecture, drive technical decisions, and guide the mobile product strategy for years to come.

Responsibilities

- Lead the iOS architecture — choose frameworks, design patterns, and scalability strategies.
- Develop and maintain apps using Swift, SwiftUI, Combine, and async/await.




- Implement Apple HealthKit integrations for secure health/fitness data import and processing.
- Design and integrate StoreKit In-App Purchase flows (subscriptions, consumables, non-consumables) with full validation and analytics tracking.
- Deploy Core ML or TensorFlow Lite models for on-device AI/ML features such as personalization, prediction, and data analysis.
- Establish and enforce coding standards, architecture guidelines, and CI/CD best practices.
- Collaborate with product and design teams in an Agile/Scrum environment to plan and execute feature roadmaps.
- Integrate RESTful and GraphQL APIs with robust error handling and offline-first data strategies.
- Optimize performance using profiling tools and implement caching strategies for low-latency user experiences.
- Lead TestFlight testing, App Store submissions, and ensure compliance with Apple’s guidelines.
- Mentor and guide junior/mid-level iOS enginee

📌 Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases (Canada)
🏢 Hu0026N Research
📍 Canada