iOS Mobile App Engineer

Overview:

We're looking for a skilled iOS Engineer to build a wellness monitoring app that helps families support each other. This is a privacy-first application requiring someone who understands the nuances of background processing, HealthKit integration, and secure data handling.
The ideal candidate has experience with apps that run efficiently in the background, respect user privacy, and handle sensitive data. You'll work closely with our technical lead, designer, and backend developer to deliver a production-ready app.

Work Details:

Type: Project-Based (17-week initial engagement with potential for ongoing work)
Location: Remote (Philippines preferred)
Start Date: ASAP
Compensation: Competitive, based on experience
Selection Process: Shortlisted candidates will complete a paid technical task

Project Scope:

Build native iOS app from scratch
Implement behavioral monitoring with background processing
Integrate Apple HealthKit and location services
Implement Apple in-app subscriptions (StoreKit 2)
Timeline: ~17 weeks to App Store submission

Key Technical Challenges:

Efficient background processing without battery drain
Privacy-first architecture with on-device data processing
Smooth HealthKit and location services integration
Reliable push notifications for time-sensitive alerts
Apple subscription implementation with receipt validation

Responsibilities:

Build native iOS app using Swift/SwiftUI
Implement background monitoring for:
Location patterns (detecting isolation)
Activity data from HealthKit
Sleep and movement patterns
Integrate with RESTful backend APIs
Implement secure data storage and transmission
Build Apple in-app subscription system
Optimize for battery life and performance
Collaborate on TestFlight beta testing
Support App Store submission process

Required Experience:

3+ years building and shipping iOS apps
Strong proficiency in Swift and SwiftUI

Experience with:

HealthKit integration
Core Location and geofencing
Background processing and task scheduling
Push notifications (local and remote)
StoreKit for in-app purchases/subscriptions
Understanding of iOS security and privacy best practices
Experience with encrypted data storage
Solid understanding of RESTful APIs and JSON
Git version control proficiency

Critical Skills:

Experience with apps that run in background
Understanding of iOS battery optimization
Knowledge of Apple's privacy requirements
Experience with sensitive data handling
Ability to write maintainable, well-documented code

Nice to Have:

Experience with wellness, health, or family safety apps
Knowledge of behavioral monitoring techniques
Experience with apps for multiple age groups (young adults to 65+)
Familiarity with mental health app requirements
Understanding of GDPR/COPPA compliance
Experience with React Native (for potential future Android version)
Not Looking For:
Developers who only work with high-level frameworks
Those unfamiliar with background processing
Developers who need constant supervision
Experience only with simple CRUD apps
Trial Task: Shortlisted candidates will complete a paid technical task involving HealthKit integration. You'll have 48 hours to complete the task, followed by a short technical interview.

Application Requirements: Please submit:

Portfolio/GitHub with iOS app examples
Specific examples of apps with background processing
Any HealthKit or location-based apps you've built
Your rate expectations
Proposed timeline for the scope described
Availability over the next 4 months

Technical Interview Topics:

Background processing strategies
HealthKit integration approaches
Privacy and security implementation
Performance optimization techniques
Experience with App Store submission

Timeline:

Application review: Within 24 hours
Technical task: Sent to shortlisted candidates
Technical interview: Following successful task completion
Project kickoff: Immediately upon selection

This is an opportunity to build something meaningful that helps families support loved ones through difficult times. We're looking for someone who takes pride in crafting efficient, privacy-respecting apps that work reliably in the background.