Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases
H&N Research IncRole Overview
H&N Research Inc is hiring a Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases. This is a full-time role in CA. Part of H&N Research Inc's Mobile hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
Overview
Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases. At H&N WORK, we create innovative, 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 engineers; conduct code reviews and technical workshops.
Qualifications
- 7+ years professional experience in iOS development, with 2+ years in a technical leadership or architecture role.
- Expert in Swift, SwiftUI, Combine, and async/await concurrency.
- Proven track record with Apple HealthKit integrations.
- Strong expertise with In-App Purchases using StoreKit, including subscription management and server-side receipt validation.
- Practical experience with Core ML, on-device AI/ML workflows, and data privacy best practices.
- Mastery of UIKit, Core Data, concurrency management, and offline-first application design.
- Experience with CI/CD for mobile (GitHub Actions, Bitrise, Jenkins).
- Strong Agile/Scrum experience and ability to work cross-functionally.
- Excellent problem-solving, communication, and mentorship skills.
Nice-to-Have Skills
- Knowledge of Objective-C for legacy maintenance.
- Experience with Firebase, push notifications, deep linking, and analytics (Firebase Analytics, Amplitude).
- Familiarity with healthcare, wellness, or nutrition mobile apps.
- Cloud integration knowledge (AWS Amplify, Azure Mobile Apps, or custom APIs).
What We Offer
- Full technical ownership of the iOS platform.
- Opportunity to design the long-term iOS architecture and technology stack.
- Work on impactful projects with state-of-the-art iOS technologies and AI/ML integrations.
- Flexible remote work culture and a collaborative team environment.
- Career growth path toward Mobile Architect or Head of Mobile Engineering.
Details
- Seniority level — Mid-Senior level
- Employment type — Full-time
- Job function — Engineering and Information Technology
- Industries — IT System Custom Software Development
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Frequently Asked Questions
How do I apply for the Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases position at H&N Research Inc?
Use the Apply button above to submit your application directly to H&N Research Inc. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases position at H&N Research Inc located?
This position is based in CA. H&N Research Inc has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases at H&N Research Inc earn?
H&N Research Inc has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases role at H&N Research Inc posted?
This role was posted on April 1, 2026 (68 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior iOS Developer – AI/ML, Apple Health, and In-App Purchases role at H&N Research Inc require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. H&N Research Inc lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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