iOS Developer – Contract Role
Employment Information
Report this job
Job expired or something wrong with this job?
Job Description
Contract iOS Developer building native Swift apps for NexusOne’s cloud data and AI platform. Owning features from design through App Store release and post-launch monitoring.
Responsibilities:
- 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
- Integrate REST and GraphQL APIs, including authentication, error handling, caching, and offline states
- Collaborate with backend engineers to define API contracts and test endpoints using Postman or Charles Proxy
- Write unit and UI tests with XCTest and maintain a clean, modular codebase
- Set up code signing, certificates, provisioning profiles, and Xcode builds
- Maintain QA, UAT, and production builds using Xcode schemes and build configurations
- Upload builds to App Store Connect, conduct TestFlight beta testing, and address tester feedback
- Prepare App Store listings and manage submission, App Review, production releases, and phased rollouts
- Monitor post-launch crashes and performance with Instruments, Crashlytics, or Sentry
- Collaborate with backend, Android, design, and QA teams in an Agile environment
Requirements:
- 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
- Preferred: experience with CI/CD for mobile (Xcode Cloud, Fastlane, Bitrise, or GitHub Actions)
- Preferred: knowledge of push notifications, in-app purchases, widgets, or App Clips
- Preferred: exposure to Objective-C codebases
- Preferred: familiarity with analytics, feature flags, and A/B testing
- Preferred: contributions to open-source Swift projects or a strong portfolio of apps
- Preferred: familiarity with .NET 8 APIs and PostgreSQL
Benefits:
- A collaborative team culture built on curiosity and respect
- Challenging work where your contributions clearly matter
- Leadership investment in learning and development
- Opportunity to work at the intersection of cloud, data, and AI innovation
Similar Jobs
Senior iOS Engineer, Swift, KMP Experience
Senior iOS Swift Engineer building Swift applications with Claude-assisted workflows and Kotlin Multiplatform. Delivering scalable mobile solutions with Opinov8’s global engineering team.
Mobile Frontend Developer – iOS
Desenvolvedor iOS criando produto mobile financeiro para cliente do setor financeiro na FCamara. Desenvolvimento nativo em Swift com arquitetura modular e Server-Driven UI.
iOS Developer – Swift, RxSwift
iOS Developer building Swift/RxSwift investment applications for a leading digital investment platform. Developing real-time mobile features with WebSockets in a global remote engineering team.
Lead iOS Engineer, Swift, SwiftUI
Lead iOS Engineer owning Swift/SwiftUI development for HumanIT’s AI-powered learning platform. Leading mobile architecture, releases, mentoring and product experimentation remotely in Europe.
Senior iOS Developer
Senior iOS Developer desarrollando aplicaciones iOS con Swift y SwiftUI para knowmad mood, compañía líder en transformación digital. Aplicación de arquitecturas MVVM y CLEAN en proyectos tecnológicos.
iOS Developer
iOS Developer building Swift and SwiftUI applications for Volantsoft, an IT services company. Applying design patterns to client-focused software solutions.
Senior iOS Engineer
Senior iOS Engineer building secure native iOS experiences for Ondo Finance’s tokenized investment products. Owning financial workflows from architecture through App Store release.
Application User – DaVinci Resolve, macOS
DaVinci Resolve macOS specialist applying video-editing expertise to Mercor projects. Training and enhancing frontier AI systems with leading researchers on a flexible schedule.
Closer – Consultative Sales, iPhone
Closer conducting consultative B2B sales for a logistics mentorship company. Managing negotiations, CRM pipeline, objections, and deal closures.
Application Users, macOS Sonoma 14.5 Expert
macOS Sonoma expert using hands-on desktop expertise to support Mercor’s AI training projects. Working remotely with leading researchers on next-generation AI systems.
Application Users – Excel, macOS
Excel-on-macOS professionals applying spreadsheet expertise to Mercor projects. Training and enhancing frontier AI systems with leading researchers.
Senior iOS Developer
Senior iOS Developer building scalable native iOS applications for Xebia, a global AI-first digital transformation and engineering partner. Delivering Swift-based products with cross-functional teams.
Application User – DaVinci Resolve, macOS
DaVinci Resolve macOS specialist contributing hands-on application expertise to Mercor projects. Supporting frontier AI model training with qualified hardware and screenshot capture.
iOS Developer
Desarrollador iOS para knowmad mood, compañía de transformación digital. Desarrollo con Swift, SwiftUI, MVVM y arquitecturas CLEAN en proyectos tecnológicos.
Mid-Level iOS Developer
Mid-level iOS Developer building Swift applications for Syngenta’s AMP project at CI&T. Developing, testing, and integrating mobile features in a global agile team.
Application Users – Excel, macOS
Excel on macOS professional applying spreadsheet expertise to AI training projects. Working remotely as an independent contractor with Mercor's research partners.
Application User – Excel, macOS
Excel on macOS professional applying spreadsheet expertise to Mercor projects. Training and enhancing AI systems for leading labs and enterprises on a flexible remote contract.
Application User – Excel, macOS
Excel on macOS professionals applying spreadsheet expertise to Mercor projects. Supporting AI labs and enterprises in training and enhancing frontier AI systems.
Application User – Word, macOS
Microsoft Word on macOS professional contributing real-world expertise to Mercor projects. Helping partner AI labs train and enhance frontier AI systems.
Application User – Excel, macOS
Excel on macOS professionals applying spreadsheet expertise to Mercor projects. Supporting AI labs and enterprises training and enhancing frontier AI systems.