Senior iOS App Developer – Service Reliability Overhaul

DataPro Services

Contract · Remote · Flexible hours

About the role

DataPro Services is launching an integration project that ties together billing, CRM, and internal APIs. We need an iOS App Developer to create a seamless bridge between these systems and our existing iOS client.

Key responsibilities

• Design and implement Swift modules that consume REST APIs for billing and CRM data.
• Build robust error handling and data synchronization logic across multiple services.
• Collaborate with backend engineers to define API contracts and test endpoints.
• Write unit and UI tests to ensure reliability on all supported iOS versions.
• Document integration patterns for future maintenance.

Must-have skills

• Strong proficiency in Swift and iOS SDK.
• Extensive experience with REST API consumption and authentication.
• Understanding of JSON parsing, Core Data, and background networking.

Nice to have

• Familiarity with billing platforms (e.g., Stripe, Recurly).
• Experience integrating CRM systems such as Salesforce.
• Knowledge of CI/CD pipelines for iOS.