iOS Developer - Contract Role

Overview

Contract iOS Developer role at Nexus One to design, build, and release native iOS apps in Swift for the NexusOne data platform. Duration 6 months, remote, India.

What you'll do

• Own iOS features end to end, from design handoff through development, testing, and release.
• Design, build, and maintain native iOS apps in Swift using SwiftUI and UIKit.
• Turn Figma designs into smooth, accessible, pixel-accurate interfaces.
• Connect the app to backend services: integrate REST and GraphQL APIs, handle authentication (OAuth/JWT), error handling, caching, and offline states.
• Work with backend engineers to define API contracts and test endpoints with tools such as Postman or Charles Proxy.
• Write unit and UI tests with XCTest and keep the codebase clean and modular.
• Set up code signing, certificates, and provisioning profiles, and manage builds in Xcode.
• Maintain separate QA, UAT, and production builds using Xcode schemes and build configurations, following a branch-per-environment workflow.
• Upload builds to App Store Connect, run TestFlight beta testing with internal and external testers, and act on tester feedback.
• Prepare App Store listings and handle submission, App Review, and production releases, including phased rollouts.
• Monitor crashes and performance after launch with Instruments, Crashlytics, or Sentry.
• Collaborate with backend, Android, design, and QA teams in an Agile environment.

What you'll need

• 6+ years of professional iOS development experience with at least one app live on the App Store.
• Hands-on experience taking apps from design to deployment, including TestFlight beta distribution and App Store submission.
• Proven experience integrating RESTful APIs into iOS apps using URLSession or Alamofire, with JSON parsing via Codable.
• Strong proficiency in Swift, SwiftUI, and UIKit.
• Solid grasp of iOS architecture patterns such as MVVM, Clean Architecture, or TCA.
• Experience with Swift Concurrency (async/await), Combine, and Core Data or SwiftData.
• Familiarity with Apple's Human Interface Guidelines and accessibility standards.
• Experience with Xcode, Swift Package Manager, and Git hosted on Azure DevOps Repos.

Nice to have

• Experience with CI/CD for mobile (Xcode Cloud, Fastlane, Bitrise, or GitHub Actions).
• Knowledge of push notifications, in-app purchases, widgets, or App Clips.
• Exposure to Objective-C codebases.
• Familiarity with analytics, feature flags, and A/B testing.
• Contributions to open-source Swift projects or a strong portfolio of apps.
• Familiarity with the backend stack the app connects to: .NET 8 APIs and PostgreSQL.

Details

• Contract role, duration 6 months.
• Location: Remote, India.