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SYNET

Mac OS Developer

$66 per hour

4.7

(4161 jobs)

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Rahul -.

Mac OS Developer

$100 per hour

5.0

(1340 jobs)

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KESHAV INFOTECH

Mac OS Developer

$7 per hour

4.9

(1296 jobs)

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Shibu V.

Mac OS Developer

$20 per hour

4.9

(1198 jobs)

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Jay P.

Mac OS Developer

$50 per hour

5.0

(1096 jobs)

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Group Design

Mac OS Developer

₹25 per hour

4.9

(1047 jobs)

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STALLIONi NET SOLUTIONS

Mac OS Developer

$18 per hour

4.8

(981 jobs)

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Shahid K.

Mac OS Developer

$25 per hour

5.0

(889 jobs)

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How to hire a great freelance Mac OS Developer

A Mac OS developer builds, optimizes, and maintains native applications for Apple's macOS operating system using Swift, Objective-C, and Apple's official frameworks. Hiring a skilled Mac OS developer means getting software that feels at home on the Mac — fast, polished, and fully integrated with the macOS ecosystem from menu bar utilities to professional creative tools.

What a Mac OS developer does

A freelance Mac OS developer designs and ships desktop software that runs natively on Apple silicon and Intel-based Macs. Their work spans architecture, UI implementation, performance tuning, code signing, notarization, and distribution through the Mac App Store or direct download with Sparkle-based updates.

Unlike cross-platform engineers who treat macOS as an afterthought, a dedicated macOS developer writes software that respects Apple's Human Interface Guidelines, supports system features like Dark Mode, Continuity, iCloud sync, and Handoff, and takes advantage of native APIs for graphics, audio, networking, and security.

Core deliverables and services

A Mac OS developer typically handles end-to-end product work or focused engineering tasks within a larger team. Common deliverables include:

Native macOS applications built with Swift, SwiftUI, or AppKit

Menu bar utilities, status bar apps, and background agents

Document-based apps using NSDocument and the file coordination APIs

Mac Catalyst ports of existing iPad applications

Universal binaries for Apple silicon (arm64) and Intel (x86_64)

Core Data, SwiftData, or SQLite-based local persistence

iCloud, CloudKit, and Keychain integrations

Custom NSView and NSWindow subclasses for advanced UI

Hardened runtime configuration, code signing, and Apple notarization

Mac App Store submission, review responses, and StoreKit in-app purchases

Sparkle integration for direct-distribution auto-updates

Performance profiling with Instruments and memory leak fixes

Accessibility support via VoiceOver and the macOS Accessibility APIs

Helper tools, XPC services, and privileged installers using SMJobBless

Tools, languages, and frameworks

Strong macOS engineers work fluently across Apple's developer stack and the surrounding tooling ecosystem. Expect proficiency with:

Swift and Objective-C, including bridging headers for mixed codebases

Xcode, Xcode Cloud, and the iOS/macOS simulator workflow

SwiftUI for modern declarative UI and AppKit for legacy or advanced UI

Combine and Swift Concurrency (async/await, actors)

Core Animation, Core Graphics, Metal, and AVFoundation for media-heavy apps

Swift Package Manager, CocoaPods, and Carthage for dependency management

Git, GitHub Actions, Fastlane, and TestFlight for CI/CD

Instruments for profiling CPU, memory, energy, and threading issues

XCTest and XCUITest for unit and UI test coverage

Industries and use cases

macOS remains the dominant platform for creative, technical, and professional desktop workflows. Freelance Mac OS developers commonly build for:

Creative software vendors producing audio, video, photography, and design tools

Developer-tooling companies shipping IDEs, terminal apps, and Git clients

Productivity startups making note-taking, writing, and task-management apps

Finance and trading firms requiring secure, low-latency desktop clients

Healthcare and scientific research groups building data-analysis software

Enterprise IT teams developing internal Mac fleet utilities and MDM helpers

Indie developers launching menu bar utilities and Mac App Store products

How to evaluate Mac OS developer candidates

The strongest signals come from shipped apps. Ask candidates to point to live macOS apps they have written or contributed to, ideally available on the Mac App Store or a public download page. Look for projects that demonstrate native UI, performance, and proper handling of macOS-specific concerns like sandboxing, entitlements, and notarization.

Qualifications and signals worth verifying:

Working knowledge of both AppKit and SwiftUI, not one in isolation

Experience with code signing, provisioning profiles, and Apple Developer Program workflows

A GitHub profile or portfolio with real Swift or Objective-C source

Familiarity with Apple's Human Interface Guidelines

Track record of shipping Universal binaries for Apple silicon

Comfort debugging crash reports, sandbox violations, and entitlement issues

Sample interview questions you can use:

Walk me through how you would structure a document-based macOS app using SwiftUI and the new DocumentGroup API.

How do you decide between AppKit and SwiftUI for a new feature, and where do you bridge between them using NSViewRepresentable?

Describe your process for code signing, hardening, and notarizing an app for direct distribution outside the Mac App Store.

How would you diagnose a memory leak or runaway CPU usage in a long-running macOS background agent?

What changes did you have to make to ship a Universal binary supporting Apple silicon, and how did you test it?

Why hire Mac OS developers on Freelancer.com

Freelancer.com gives you access to a global pool of macOS engineers — from indie Swift developers who have shipped on the Mac App Store to senior Objective-C veterans with decades of AppKit experience. You can post a project on Freelancer.com and receive competitive bids within hours, then compare proposals, portfolios, and ratings side by side.

Clients set their own budgets, review verified work histories, and use Milestone Payments to release funds only when deliverables meet expectations. Whether you need a one-off menu bar utility, a long-term engineering partner for a flagship Mac product, or a specialist to handle App Store submission, freelancers on Freelancer.com cover the full spectrum of macOS development work.

Post a project on Freelancer.com today and connect with skilled Mac OS developers ready to build, port, or polish your next native Mac application.

What are the steps to hiring a freelance Mac OS developer?

Hiring a Mac OS developer comes down to writing a precise brief, reading bids carefully, and verifying past macOS work before awarding. The clearer you are about the platform requirements — Swift versus Objective-C, AppKit versus SwiftUI, Mac App Store versus direct distribution — the better the bids you will receive.

Step 1: Post your project on Freelancer.com

Your project brief is the single biggest determinant of bid quality. A vague post attracts generic bids, while a specific brief filters for engineers whose macOS experience genuinely matches your needs. Head to the post project page , fill in the brief, scope, timeline, and budget, and publish the project for freelancers to bid on.

Specify the minimum macOS version you need to support and whether Apple silicon is required

State whether the app uses SwiftUI, AppKit, or a mix, and which language (Swift or Objective-C)

Describe distribution: Mac App Store, direct download with notarization, or enterprise deployment

List integrations needed — iCloud, CloudKit, StoreKit, Sparkle, Keychain, or third-party SDKs

Attach mockups, wireframes, or a feature list, and indicate your timeline and budget range

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. A strong macOS developer will reference your brief specifically, raise sensible technical questions, and propose an approach that names the frameworks and APIs they intend to use. Read carefully and shortlist candidates whose understanding of the work matches your requirements.

Look for proposals that mention specific macOS frameworks relevant to your project

Check whether the freelancer asks clarifying questions about deployment, signing, or supported macOS versions

Verify their proposed timeline is realistic for the scope and not suspiciously short

Note whether they attach links to shipped Mac apps or relevant Swift code samples

Use Freelancer.com's chat to ask follow-up questions about architecture, testing, and update strategy before shortlisting

Step 3: Evaluate freelancers and award the project

Final selection combines proposal quality with profile evidence. For macOS work, look for consistency across multiple shipped apps rather than a single impressive project, and weigh client reviews that mention reliability, communication, and on-time delivery.

Examine portfolio depth — multiple shipped macOS apps or substantial Swift contributions

Check star ratings, completed project count, and completion rate

Read written client reviews for comments on code quality and responsiveness

Confirm verified payment method and identity verification on the profile

Award the project and use Freelancer.com's Milestone Payments to release funds only as agreed deliverables are accepted

What is the difference between a Mac OS developer and an iOS developer?

Both work in Apple's ecosystem with Swift and Xcode, but a Mac OS developer specializes in desktop applications using AppKit and the macOS-specific APIs, while an iOS developer focuses on UIKit and touch-first mobile patterns. Many engineers do both, but desktop-grade apps with windows, menus, and document workflows benefit from a developer who has shipped on macOS specifically.

Can I hire a Mac OS developer for a one-off project?

Yes. Freelancers on Freelancer.com regularly take on fixed-scope engagements such as building a menu bar utility, porting an iPad app to Mac via Catalyst, fixing notarization issues, or preparing an existing app for Mac App Store submission. You can scope the work tightly in your brief and award it on a fixed-price or hourly basis.

Do I need a Mac OS developer or a cross-platform developer?

If your product needs to feel genuinely native on Mac — with proper menus, keyboard shortcuts, accessibility, and performance — hire a dedicated Mac OS developer. If you need broad reach across Windows, Linux, and Mac with a single codebase and are willing to compromise on platform fidelity, a cross-platform developer using Electron or similar may suit better.

How long does a typical Mac OS development project take?

A small utility or bug-fix engagement can wrap up in a week or two, while a full commercial app with cloud sync, in-app purchases, and Mac App Store submission typically runs several months. Timelines depend heavily on scope, design maturity, and how clearly the brief is defined upfront.

Should I hire a freelance Mac OS developer or an agency?

For most macOS projects, a skilled freelancer or a small team of freelancers delivers faster and at lower overhead than an agency. Agencies make sense when you need coordinated design, backend, QA, and project management as a single package, but a focused freelance engineer is often the right choice for the engineering itself.