Senior iOS App Developer for App Store Release Overhaul

NexGen Media

Contract · Remote · Flexible hours

About the role

NexGen Media is expanding its B2B SaaS suite and needs a Senior iOS App Developer to deliver a new multi‑tenant feature set for the "TenantHub" module. You will own the end‑to‑end implementation of tenant isolation, data syncing, and UI customization within the existing iOS client.

Key responsibilities

• Design and implement a tenant‑aware architecture using SwiftUI and Combine, ensuring data segregation across clients.
• Integrate RESTful services for tenant configuration, leveraging Alamofire for network calls and handling OAuth2 tokens.
• Write unit and UI tests with XCTest and XCUITest to achieve 80%+ coverage before each sprint.
• Collaborate with backend engineers to define API contracts for the new multi‑tenant endpoints.
• Optimize app performance for multi‑tenant workloads, profiling with Instruments and reducing launch time by 15%.
• Document code standards and onboarding guides for future contractors.

Must-have skills

• Expertise in Swift (Swift 5+) and iOS SDK.
• Strong experience with REST API integration and authentication flows.
• Proficiency in SwiftUI, Combine, and UIKit interoperability.
• Solid understanding of multi‑tenant architecture patterns.
• Experience with CI/CD pipelines (Fastlane, GitHub Actions).

Nice to have

• Familiarity with Core Data encryption for tenant data.
• Background in B2B SaaS product development.