How to hire Swift developers: A comprehensive guide
For Employers

February 15, 2024

How to hire Swift developers: A comprehensive guide

If you're aiming to captivate millions of iOS users worldwide with a high-performing, user-friendly app, this is where Swift comes into play. As Apple's powerful and intuitive programming language, Swift is the driving force behind numerous popular iOS apps.

The Swift programming language consistently ranks among the top most loved programming languages. Apple proudly touts Swift's remarkable speed, boasting up to 2.6 times faster than Objective-C and a staggering 8.4 times faster than Python. Its efficiency and performance make it an excellent choice for creating engaging iOS experiences.

The most loved programming languages

However, to unlock the full potential of Swift, you need the right tech – accomplished Swift developers who can craft exceptional iOS applications. Hiring proficient Swift developers can be the game-changer that sets your app apart in the fiercely competitive market.

In this article, we'll delve into the essential tips for hiring Swift developers, empowering you to make informed decisions that lead to an outstanding iOS application. Let's dive in! 

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Swift features

Swift, the robust and intuitive programming language created by Apple, has revolutionized iOS, macOS, watchOS, and tvOS app development. Its power, flexibility, and ease of use make it a favorite among developers worldwide. Swift code is not just efficient and lightning-fast; it's also interactive and enjoyable to work with, thanks to its concise and expressive syntax. Here are some of the impressive features that Swift brings to the table:

  • Objective-C Runtime Library: Swift seamlessly integrates with the Objective-C runtime library, allowing C, Objective-C, C++, and Swift code to coexist harmoniously in a single program.
  • Open-Source: As an open-source language, Swift extends its reach beyond Apple devices, making it suitable for web design and implementation on other platforms.
  • Generics: Generics in Swift empower users to create flexible and reusable functions and types that can operate with any data type, enhancing code versatility.
  • Native Error Handling: Swift provides robust support for error handling, enabling developers to throw, catch, propagate, and manipulate errors at runtime.
  • Package Manager: Swift's cross-platform package manager facilitates the creation, testing, and packaging of Swift libraries and executables, streamlining the development process.
  • Troubleshooting and Debugging: With the LLDB debugger, developers can leverage REPL and integrated debugging tools for precise and efficient troubleshooting.
  • Compatibility: Swift's latest version ensures binary compatibility for applications, eliminating the need for code recompilation with every operating system release.
  • Memory Management and Safety: Swift incorporates Automatic Reference Counting (ARC) for automatic memory management, preventing common memory-related issues and enhancing code safety.

In addition to these core features, Swift offers many other useful functionalities, such as Tuples for value groupings, Closure syntax for optimization, and flexible enumerations that support pattern matching and payloads.

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Key skills to consider when hiring Swift developers

Swift developers are highly skilled professionals who possess the expertise to transform designs and wireframes into top-notch, dependable code. Their responsibilities extend to identifying and resolving bottlenecks and bugs, thereby guaranteeing optimal performance and responsiveness of applications.

Moreover, proficient Swift developers actively keep up with the latest advancements in iOS development. They leverage the newest features and enhancements in Swift and iOS SDKs to elevate app functionality and deliver an exceptional user experience.

The role of Swift developers goes beyond mere coding; they are integral throughout the entire development cycle, from conceptualization to deployment. Working collaboratively with cross-functional teams, they play a vital role in defining app features, strategizing project timelines, and ensuring the application fulfills both user and business requirements. Below are key skills to look for in a proficient Swift developer:

Technical Skills

To excel as a Swift developer, certain essential technical skills are crucial. These skills ensure the seamless creation of high-quality iOS applications and contribute to a positive user experience.

  1. Proficiency in Swift: Swift developers must possess a deep understanding of the Swift programming language. Familiarity with the latest version and its unique features, such as Optionals, Closures, and Generics, is essential to produce efficient and robust code.
  2. Knowledge of UI/UX Design Principles: While Swift developers are not designers per se, they must grasp the fundamentals of UI/UX design principles. This knowledge enables them to create apps that offer an exceptional user experience, aligning with iOS human interface guidelines.
  3. Understanding of iOS SDK and Apple Ecosystem: A skilled Swift developer should have a strong command over the iOS Software Development Kit (SDK) and Cocoa Touch framework. Being well-versed in Apple's Xcode Integrated Development Environment (IDE) is crucial for a smooth development process. Notably, around 95% of Swift developers focus on iOS app development, with a significant portion also designing for macOS.
  4. Experience with iOS Frameworks: It is advisable to hire Swift developers with hands-on experience in utilizing essential iOS frameworks like Core Data and Core Animation. Proficiency in these frameworks is vital for leveraging the full potential of device capabilities and delivering feature-rich applications.
  5. Version Control Systems: Knowledge of version control systems, such as Git, is indispensable for effective code management, especially when working in a team setting. Utilizing version control systems streamlines collaboration and ensures a seamless development workflow.
  6. API Integration: Swift developers should be capable of integrating RESTful APIs and other third-party services into iOS applications.

Soft Skills

In addition to technical expertise, soft skills are vital for a Swift developer to excel in the dynamic world of app development. Look for candidates who possess the following essential soft skills:

  1. Problem-Solving: A great Swift developer should be a proficient problem solver. The coding process involves tackling complex challenges, and the ability to find creative and efficient solutions is crucial for successful app development.
  2. Adaptability and Learning: Since iOS development and Swift are continuously evolving, a good Swift developer should be adaptable and keen to learn new technologies and updates.
  3. Communication: Effective communication and collaboration skills are essential for working in cross-functional teams and understanding project requirements.
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Swift developers salaries based on proficiency level 

The compensation for Swift app developers can vary based on a range of factors, including industry, employer, education, experience, additional skills, and geographic location. In the United States, the national median salary for a Swift expert is approximately $89,468 per year, according to data.

Junior Swift developer salary

In the United States, an entry-level Swift developer can expect to earn an average of $38 per hour, which amounts to approximately $79,980 per year, according to data from ZipRecruiter. For aspiring junior Swift developers, the following skills are typically sought after:

  • Minimum of 1 year experience in iOS development, using either Swift or Objective-C.
  • Proficiency in developing iOS applications on the iOS platform using Xcode.
  • Demonstrated creativity and a strong willingness to work and learn.
  • Good written and verbal communication skills.
  • Familiarity with programming languages like C and C++.
  • Knowledge of RESTful web services and experience with integrating third-party APIs.
  • Understanding of modern version control systems and continuous integration/continuous deployment (CI/CD) practices.

Senior Swift developer salary

In the United States, a Senior Swift Developer can earn an average annual salary of $112,151, as reported by Glassdoor.

For individuals aiming to become Senior Swift Developers, the following skills are commonly sought after, although specific requirements may vary based on the job:

  • A minimum of 5 years of experience with Swift programming.
  • Proficiency in developing and managing iOS mobile applications.
  • Experience in working with JSON data.
  • Strong time management skills to handle complex projects efficiently.
  • Proficiency in programming languages such as C, C++, and Objective-C.
  • Leadership skills to guide and lead the development team effectively.
  • Knowledge of Cocoa Touch, a framework for building iOS applications.
  • Familiarity with using Xcode, Apple's integrated development environment.
  • Excellent problem-solving skills to address challenges during development.
  • Knowledge of databases like SQLite, and familiarity with SOAP and Core Data.
  • Ability to effectively manage and mentor teammates to foster a collaborative work environment.

Sourcing Swift developers 

When sourcing Swift developers, it's essential to cast a wide net to find the right talent for your project. Consider the following resources to streamline your search and hire proficient Swift developers:

  1. Job Portals: Utilize popular job portals like Indeed, Glassdoor, SimplyHired, and ZipRecruiter to access a vast pool of Swift developers. Clearly define your project requirements to effectively screen applicants and find the best fit for your team.
  2. Freelance Platforms: Websites like Upwork, Freelancer, and Toptal host a diverse range of freelance Swift developers with varying experiences and skill levels. These platforms allow you to connect with developers who are available for short-term or project-based work.
  3. Tech Forums and Communities: Engage with developers on platforms like GitHub and Stack Overflow, or participate in iOS developer forums. These communities offer opportunities to interact with skilled developers and learn more about their expertise.
  4. Tech Recruitment Platforms: Explore specialized tech recruitment platforms like,, and These platforms pre-vet Swift developers, saving you time and effort in the hiring process. Ensure that you choose reputable platforms with a track record of successful matches.
  5. Networking Events and Meetups: Attend local iOS tech meetups or online events. These gatherings provide excellent opportunities to meet talented developers and spread the word about your job opening.
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Interviewing Swift developers

Interviewing Swift developers is a crucial step in the hiring process as it allows you to assess their technical skills, problem-solving abilities, and cultural fit. Here are some effective strategies to follow when interviewing Swift developers:

  1. Technical Questions: Begin with technical questions related to Swift and iOS development. Inquire about their experience with Swift's unique features, their approach to error handling, and their familiarity with essential iOS frameworks.
  2. Problem-Solving Questions: Present a coding problem or hypothetical development challenge and ask the candidate to explain their approach to solving it. This will help you evaluate their problem-solving skills and creativity.
  3. Portfolio Review: Ask candidates to showcase and discuss their previous projects. Reviewing their portfolio will reveal their practical experience, the complexity of projects they have handled, and the impact of their work.
  4. Cultural Fit: Assess if the candidate aligns with your team and company culture. Ask questions about their working style, how they handle feedback, and how they handle conflicts to gauge if they'll integrate well into your team.
  5. Project-Specific Questions: Tailor questions to your project's requirements. Inquire about their experience with specific tools, frameworks, or methodologies relevant to your project.
  6. Collaboration and Communication Skills: Evaluate their ability to collaborate with team members by asking how they approach teamwork and communication during development projects.

Remember, the interview process serves not only to assess technical capabilities but also to ensure that the candidate's personality and work style align with your team and project needs.

Assessing Swift developers 

Assessing and hiring the right Swift developer for your business requires careful evaluation of multiple factors. Here are key considerations to ensure you make a well-informed decision:

  • Experience: Assess the candidate's Swift and iOS development experience, looking for relevant projects and technologies they have worked with. Experience in similar domains or complexity levels can indicate their ability to handle your specific project requirements.
  • Portfolio: Review the developer's portfolio to gauge the quality and diversity of their previous work. Look for projects that align with your goals to assess their capabilities and potential contributions to your project.
  • References: Request and check references from previous employers or clients. Speaking with others who have worked with the developer can provide insights into their work ethic, reliability, ability to meet deadlines, teamwork, and communication skills.
  • Working style: Consider how well the candidate will fit into your team and organization. Assess their working style, communication preferences, and values to ensure they align with your company culture. A developer who shares your team's values is more likely to be a committed and productive team member.
  • Cost: While talent is essential, consider your budget when hiring. Strive for a balance between the developer's expertise and the cost of hiring them. Assess their value in relation to the project's needs and budget constraints.

Final words 

As you embark on the hiring process, it is essential to consider Swift candidates comprehensively, evaluating their technical skills, experience, portfolio, cultural fit, and cost. This holistic approach will ensure you find the right Swift developers who can create high-performing, user-friendly iOS applications that resonate with your audience, giving your business a competitive edge in the app market.

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