Hire Cocoa developers

Build high-performance macOS and iOS applications with expert Cocoa developers. Ensure seamless UI/UX—hire now and onboard this week.

Luiz
Front-end Web Developer
Brazil/(GMT -3:00)
Luiz is a highly skilled engineer with over 14 years of commercial experience. He specializes in React.js, Next.js, and TypeScript and possesses deep comprehension of these technologies as a Strong Senior Front-end Engineer. His background spans multiple industries, including music & audio, video production, fashion, and e-commerce, giving him a well-rounded understanding of diverse business domains. Previously serving as Head of Front-End, Luiz demonstrated both technical expertise and leadership, defining best practices, ensuring team alignment with technical standards, and balancing hands-on development with strategic oversight. His strong technical skills, clear communication, and proven leadership, as observed during the Lemon.io interview process, make him an outstanding candidate and a valuable asset to any team.
Experience
16 years
Availability
To be verified
Next.jsReactTypescriptJavaScriptStyled-componentsChakraUIReact NativeAgileAWSAIFirebaseRuby on RailsReact Hook FormAngularDockerCI/CDAmazon S3Material UIPostgreSQLRedisSidekiqTailwind CSS
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Serhiy
Mobile Developer
Ukraine/(GMT +2:00)
Serhiy is an iOS developer with around 6 years of commercial experience, skilled in building and maintaining mobile applications across various domains. He is experienced in UIKit, SwiftUI, and core iOS frameworks, with a focus on delivering functional, well-structured, and maintainable solutions. Serhiy is proficient in handling complex features, UI development, and performance improvements while taking ownership of projects from development to release.
Experience
7 years
Availability
Part-time
CocoaSwiftObjective CKotlinJavaFirebase Cloud MessagingFirebaseREST APILottieSwiftUIUIKitFoundationSwiftLintMapKitARKitMoyaAlamofireRxSwiftXMLUnit testingStripe APIMVCMVVMMVPRealmCore DataGitTrelloAsanaJiraAndroidJetpack ComposeXCTestAWS
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Jeison
Full-stack Web Developer
Colombia/(GMT -5:00)
Jeison is a Senior Full-Stack Engineer with 9 years in React and 7 years in [Node.js](https://Node.js), comfortable owning projects end-to-end — from architecture and component design to backend and cloud. He checks client priorities before writing a line of code, guides stakeholders away from unnecessary complexity, and sets expectations honestly throughout delivery. He's been promoted to Tech Lead mid-project more than once, and ramps up fast under pressure. A great fit for product-driven teams or startups that need a senior who communicates well and ships without hand-holding.
Experience
14 years
Availability
To be verified
ReactTypescriptAWSNode.jsNext.jsPythonREST APIGraphQLDjangoReact NativeExpress.jsSupabaseAngularMaterial UINest.jsJavaScriptGatsby.jsReact Hook FormClaude Code
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Leon
Back-end Web Developer
Brazil/(GMT -3:00)
Leon is an engineer with a Data Science degree, currently working at the intersection of backend development and AI. He was assessed as a Senior professional in backend using Python. Leon has hands-on experience building production-grade APIs, LLM-based services, and NLP solutions, and operates at an intermediate level in AI/ML engineering. Leon demonstrates clear system design instincts, collaborative communication, and a proactive learning mindset, making him well-suited for startup environments.
Experience
6 years
Availability
Part-time
LLMPythonAWSGCPOpenAI APILangChainPydanticETLPostgreSQLFastAPITensorflowFlaskLangGraphScikit-learnPyTorchpytestAIAI agent developmentSQLAlchemyPandasAlgorithms and Data StructuresNumPy
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Marcos
Mobile Developer
Brazil/(GMT -3:00)
Marcos is a Senior iOS Engineer with over 5 years of experience delivering end-to-end mobile solutions, as well as some macOS solutions, across cybersecurity, fintech, and fast-paced startup environments. He excels in Swift and SwiftUI, with strong expertise in system design, cross-platform development, and leading migrations from legacy frameworks, such as UIKit/AppKit, to modern architectures. During the vetting process, Marcos demonstrated clear communication, holistic problem-solving, and the potential to work effectively both independently and within larger teams.
Experience
8 years
Availability
To be verified
CocoaSwiftSwiftUIUIKitiOSUnit testingiOS SDKMVVMMacOSFastlaneXCTestCI/CDCocoaPodsSOLIDRxSwiftCore DataCombineREST APISwiftLintUI/UX
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Vitaliy
Front-end Web Developer
Ukraine/(GMT +2:00)
With years of proficiency in React and Angular, Vitalii is a senior-level engineer. A great understanding of JS fundamentals and pleasant communication make Vitalii a go-to person to boost your team. Among his other strengths are profile education, experience with testing, and 9+ years of front-end commercial experience.
Experience
13 years
Availability
Full-time
AngularEmber.jsReactCSSGitHTMLJavaScriptBootstrapJSONTypescriptAJAXWebpackHandlebarsjQueryGulpGoogle Maps APIBEM
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Dima
Back-end Web Developer
Ukraine/(GMT +2:00)
Dima is an experienced back-end developer who is most proficient with Python and Django. He has two years of team-leading experience behind him and also enjoys writing technical articles when the opportunity presents itself. Hurry up to have Dima on your team!
Experience
10 years
Availability
Part-time & Full-time
DjangoPythonJavaScriptAWSPostgreSQLHTMLDockerGolangMySQLVue.jsGitREST APIGraphQLCSS
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Oluwatosin
Full-stack Web Developer
Nigeria/(GMT +1:00)
Oluwatosin is a seasoned full-stack developer with over 8 years of experience and a track record of leading an engineering team and working closely with clients. He combines solid back-end expertise, particularly in PHP and object-oriented programming, with strong front-end capabilities and an eye for design. Oluwatosin has contributed to both startups and enterprise-level projects and has hands-on experience integrating AI features with OpenAI APIs. He is a clear communicator, proactive collaborator, and confident across the stack.
Experience
9 years
Availability
Full-time
LaravelPHPAlpineTailwind CSSReactVue.jsCI/CDAmazon EC2DigitalOceanMySQLCSSPostgreSQLMongoDBDockerSymfonyAWS LambdaAmazon S3Amazon CognitoRedis
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Dmytro
Mobile Developer
Ukraine/(GMT +2:00)
Dmytro is a Senior iOS developer with over 5 years of experience across diverse industries. He excels at optimizing application workflows, especially for older devices, ensuring smooth performance and user experience. With a deep understanding of the entire mobile and software development life cycle, he brings expertise in UI/UX design and Agile methodologies to deliver high-quality, efficient solutions.
Experience
7 years
Availability
To be verified
CocoaiOSSwiftSwiftUICI/CDUIKitAWSMVVMRealmAVKitFirebaseDockerREST APIMapKit
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Hire Cocoa developer

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Reached out on Monday evening, connected Tuesday morning, had four qualified candidates by Wednesday.

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Hire Cocoa developer

The lemon tea

Why hire Cocoa developers through our platform?

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Every one of our 1300+ senior engineers has passed through our four-step vetting process, covering everything from soft to hard skills.

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What you should know about modern Cocoa devs

by Karina Tretiak

Recruiting Team Lead at Lemon.io

Verified Expert

Hiring Guide: Cocoa Developers

Looking to hire Cocoa developers? Cocoa is Apple’s mature application development framework for building macOS software using Objective-C or Swift. It provides the foundation for macOS applications through the AppKit, Foundation, and Core Data frameworks. Hiring experienced Cocoa developers is essential if you’re developing custom desktop software, utilities, or enterprise applications designed to integrate deeply with macOS features like windowing, notifications, and system services.

Why Hire Cocoa Developers?

Cocoa developers are the backbone of macOS software development. They understand how to leverage Apple’s native APIs and frameworks to deliver high-performance, responsive desktop applications. From complex UI design to seamless data handling and performance optimization, skilled Cocoa engineers ensure that your macOS applications meet Apple’s design and security standards.

Core Responsibilities of Cocoa Developers

Develop, test, and maintain macOS applications using Swift or Objective-C within Apple’s Cocoa framework.

Utilize AppKit for advanced user interface development and desktop interactions.

Implement Core Data for local data storage and model persistence.

Integrate system-level services such as file handling, notifications, and iCloud synchronization.

Optimize performance, memory management, and multithreading using GCD and OperationQueue.

Ensure applications meet macOS Human Interface Guidelines (HIG) for UX consistency.

Debug and profile applications using Xcode Instruments and system diagnostics.

Key Technical Skills to Look For

Languages: Swift, Objective-C, C/C++ (for performance modules).

Frameworks: Cocoa (AppKit, Foundation, Core Data), Core Graphics, Core Animation, Core ML.

Tools: Xcode, Interface Builder, Instruments, Swift Package Manager, Git.

macOS Expertise: Familiarity with sandboxing, file permissions, signing, and distribution via the Mac App Store.

Architectures: MVC, MVVM, and VIPER for macOS development.

APIs & Integration: iCloud, AppleScript, Notifications Center, URL Schemes.

Testing: XCTest, automated UI tests, and continuous integration with Xcode Cloud or Jenkins.

When to Hire Cocoa Developers

When building native macOS applications or utilities for Apple’s ecosystem.

When upgrading or maintaining existing Objective-C applications to Swift.

When integrating macOS-specific features such as dock badges, Touch Bar, or AppleScript automation.

When optimizing desktop software performance and user experience for Apple Silicon devices.

When developing cross-platform desktop software that needs deep integration on macOS.

How to Hire the Right Cocoa Developer

1. Clarify Your Project Scope

Determine whether you need Cocoa developers for a brand-new macOS application, a modernization project, or performance tuning. This helps identify the right mix of Swift, Objective-C, and system-level expertise.

2. Assess Their Knowledge of Apple Ecosystem

A strong Cocoa developer should understand how macOS fits into Apple’s ecosystem—integrating with iCloud, App Store policies, Apple Silicon architecture, and unified SwiftUI transitions.

3. Interview Questions

What’s the difference between Cocoa and Cocoa Touch?

How do you manage memory in a Cocoa application using ARC and manual reference counting?

Describe how Core Data fits into a macOS application’s architecture.

How would you handle multi-threading in a large-scale Cocoa project?

Explain how to design a responsive user interface using AppKit.

4. Technical Assessment

Ask the candidate to create a small macOS app using Cocoa frameworks. The project might involve building a document-based application, integrating Core Data persistence, and creating custom UI with AppKit. Evaluate their code clarity, adherence to MVC/MVVM, and understanding of Apple’s design conventions.

Average Cost of Hiring Cocoa Developers

Rates for Cocoa developers depend on experience and project complexity:

Junior Developers (1–3 years): £35–£55/hour — capable of implementing UI features and smaller modules.

Mid-Level Developers (3–6 years): £60–£90/hour — experienced with Core Data, AppKit, and project integration.

Senior Developers (7+ years): £100–£140/hour — expert in macOS frameworks, architecture, optimization, and App Store submission workflows.

At Lemon.io, you can find highly skilled Cocoa developers with extensive experience in native macOS app development and optimization.

Why Hire Through Lemon.io?

Lemon.io connects you with pre-vetted Cocoa developers experienced in Swift, Objective-C, and macOS frameworks. Our professionals deliver optimized, secure, and visually consistent desktop applications that align perfectly with Apple’s design philosophy. Whether you need to maintain legacy software or launch a new product, we’ll match you with developers who understand performance, user experience, and long-term sustainability.

Hire Expert Cocoa Developers →

Hire Objective-C Developers – Maintain and extend existing macOS or iOS apps.

Hire Swift Developers – Modernize your Cocoa applications with Swift codebases.

Hire macOS Developers – Build robust desktop solutions across Apple’s ecosystem.

Hire UIKit Developers – Leverage cross-platform knowledge for macOS and iOS UIs.

Hire Core Data Developers – Build persistent, efficient local data storage layers.

FAQs About Hiring Cocoa Developers

What is Cocoa used for in macOS development?

Cocoa is Apple’s native object-oriented API for building macOS applications. It provides frameworks like AppKit and Foundation for UI, data, and event management.

What’s the difference between Cocoa and Cocoa Touch?

Cocoa is used for macOS development, while Cocoa Touch is the counterpart for iOS, iPadOS, and tvOS. Cocoa relies on AppKit, while Cocoa Touch uses UIKit.

Is Cocoa still relevant in 2025?

Yes. Cocoa remains the foundation of macOS development, even as Apple introduces SwiftUI. Many enterprise and legacy apps still rely on Cocoa frameworks for stability and depth.

Can Cocoa developers work with SwiftUI?

Yes. Skilled Cocoa developers often bridge between AppKit and SwiftUI to modernize UIs while retaining the Cocoa backend for complex desktop functionality.

Can I hire remote Cocoa developers through Lemon.io?

Absolutely. Lemon.io connects you with remote Cocoa experts skilled in developing, maintaining, and optimizing macOS applications across industries.

Book a call with an expert so you can be sure in your hiring strategy

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Why hire Cocoa

Over 6500 companies use Cocoa as their main framework, including giants like Google, Amazon and Lyft.

High-quality web apps

Cocoa's modular approach lets devs reuse components, so they can seamlessly manage app complexity.

Faster development process

Cocoa's architecture and a vast library of pre-built components speed up development, so you can get to market sooner.

Enjoyable user experience

From smooth, responsive interfaces to reduced loading times, devs can use Cocoa to boost usability.

Scaling made easy

Cocoa's modular, component-based architecture makes it easy to scale applications as traffic grows.

Case studies

Aerospace

The experience with Lemon.io has been fantastic. The interview process has been good, the caliber of people – excellent and integration has been very smooth.

Marc HorowitzCOO of SkyFi

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Telecommunications

We needed extra developers to clean off all these bugs so the company could skyrocket.

Conor MackenDirector of Engineering

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We needed extra AI engineers to keep our ambitious project running.

Mike LukimanFounding Senior Software Engineer at Everstar.ai

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Frequently asked questions

Skilled Cocoa developers are generally located within or near the Apple development ecosystem. Good starting points are online communities around Swift, Objective-C and iOS development. There are also services such as Lemon.io that you may want to take a look at.

Hiring a Cocoa developer from Lemon.io should leave you with complete confidence. So we made sure there is a risk-free, up to 20 hours of work, paid trial available. You can assess the skills and experience of the developer on real project tasks before finalizing a long-term agreement.

Due to our vetting process and the high caliber of Cocoa developers, we also offer a zero-risk replacement guarantee. If you are not satisfied with your hire, no worries — we will swiftly source a substitute developer to pick up the slack.

Cocoa developers are still needed and heavily relied on in the Apple ecosystem. Being the most influential mobile device providers, Apple products continue to fill the market therefore increasing demand for iOS and macOS applications built by capable Cocoa developers.

For these developers, the job market often looks for experience with Swift or Objective-C, as well as deep knowledge of Apple frameworks and design principles.

Lemon.io is your proven lightning-fast matchmaker for Cocoa developers. If you have a clear definition of work that needs to be done on your project, it is relatively easy to locate and hire an excellent Cocoa developer in less than a week (sometimes even faster).

On average, Cocoa developers charge anywhere from $50 to $100 an hour; though this number may very well fluctuate depending on developer experience and location or complexity of the project’s aspects. Those with a history of successful iOS or macOS app launches, or experience in particular domains (e.g. fintech, healthtech) typically charge rates at the upper end of the range.

Lemon.io vets Cocoa developers to guarantee that only the best of the best will handle your iOS and macOS projects. The process begins by having candidates complete a lengthy profile (experience in Cocoa/Cocoa touch, Swift and associated tech). Our HR department reviews their CVs and online material, then checks that they have the necessary qualifications. This is followed by a structured screening call to gauge their soft-skills and technical abilities. All ends with an in-depth hard skills interview, complete with live coding problems and exercises to test their hands-on Cocoa development knowledge.

If, by chance, you are working in any of those fields where your business tends to develop applications for Apple, then it is pretty much imperative that a Cocoa developer must be hired.

Their strong command of Swift/Objective-C, as well as deep familiarity with Apple’s frameworks results in iOS & macOS apps that are top-quality solutions for the end user. This brings improved user experience and steady access to the loyal Apple demographic.

With Lemon.io you can hire Cocoa developers without having to worry about the recruitment process, and just concentrate on your Apple platform projects. We vet top Cocoa and Cocoa Touch developers proficient in Swift, Objective-C, building a broad network of developers. We believe in open communication and offer a risk free replacement guarantee. Trust us with your hiring needs, and focus on the core parts of your business.

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