Hire IOS Developers In 2022 – A BairesDev Guide

How Much Does It Cost To Hire an iOS Developer?

The exact cost of a development project depends on proper estimates of several factors. If you hire IOS developers for a project, you have to keep in mind that their work can vary in size, duration, complexity, and so on.

iOS is an OS developed by Apple that powers all of its mobile devices and it’s currently the second most popular operating system in the world after Android. There’s a lot that can be done with it, so iOS development projects can differ greatly from each other.

In order to provide an approximate estimate of the cost, it’s important to understand your needs and analyze the requirements to turn your vision into reality, including deadline, talent, and resources.

Hire IOS Developers In 2022 - A BairesDev Guide 1

Swift Developers

Swift is a robust and fast language developed by Apple for coding applications. It’s a sophisticated yet easy language that boasts simple syntax, increased readability, and high speed. It’s also safer and oftentimes simpler to work with than its counterparts.

If you hire an iOS developer that uses Swift, you’ll have the benefits of a highly scalable and optimized programing language best suited for iOS app development. Swift developers also have the advantage of working with fewer lines of code, as the language doesn’t have many legacy conventions like semicolons, end lines, and parentheses. 

Swift’s simpler and more direct syntax also makes it easier to spot development mistakes before the software is in production. Additionally, mobile engineers can use Swift playgrounds to test algorithms before creating applications.

Hire an iOS Developer

Looking to hire an iOS app developer?

A skilled iOS developer is an asset to any organization as they have complete knowledge of the field and can develop full-scale applications for one of the biggest OS in the world. They are also responsible for code quality and updates.

As with any programing language, there are specific abilities an iOS developer must cultivate and display to work successfully and accomplish the desired results. They must also be able to work with the best tools for iOS development and be continuously updating their skills.

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    Hiring Guide

  • Hire IOS Developers In 2022 - A BairesDev Guide 3

    IOS Interview Questions

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    Job Description

Objective-C is a general-purpose programming language that uses C as a base. It was developed in 1980 and has many helpful features, such as automatic meta class creation, ease of understanding, and Dual typing. For some time, it was Apple's go-to language for developing iOS apps. However, due to the lack of modern features, Apple focused on creating a replacement for it. That's how Swift was born. 

It’s worth pointing out that some developers still choose to use Objective-C for iOS development, mainly due to its ability to create dynamic objects at runtime and its community support. It’s also known for performing advanced functions such as method swizzling and its interoperability between C and C++. 

Be that as it may, most developers are transitioning to Swift these days, due to its many advantages. Also, Swift is now ABI Stable and is considered a mature language despite it being relatively young. 

Difficulties in finding a skilled iOS developer

While iOS apps have grown in popularity, it can be difficult to find an iOS developer with the right expertise and work experience. The issue is that, even when the basics of Swift are easy to learn, creating large-scale apps and implementing them at an organizational level is a difficult task.  

Many developers aren’t able to create apps that take into account performance issues. You want to find an iOS app developer who can create an application and optimize it for performance.

Also, the iOS developer may sometimes be skilled at one language but may not have the necessary expertise in other languages or the platform as a whole.  

How to choose the best iOS developer?

iOS developers have the responsibility of creating flawless, full-stack applications. So, a good developer should make sure that their code shows high performance while ensuring app safety. This implies that iOS engineers have to know more than just Swift - they also have to have a deep understanding of cybersecurity.  

They should also be able to upgrade and maintain app compatibility with new iOS versions and should understand UX/UI principles. They should also be able to create apps that run seamlessly on all platforms, i.e., cross-platform applications, because a lot of companies want to have a mobile presence in both iOS and Android.    

Finally, it’s important to point out that good communication, problem-solving, and creative thinking skills are also necessary, as they're required for working in any modern development team. 


iOS is a great platform with versatile features, community support, and millions of active users and supporters. Choosing iOS as the operating software for your business needs is an excellent choice, as long as you can hire the right iOS engineers, professionals that combine Swift knowledge, industry expertise, and cybersecurity understanding with good communication and problem-solving skills.

Here's how to hire an iOS app developer.

Here are a few questions you can ask an iOS developer to check their knowledge:

What’s the purpose of a reuse identifier?

The reuse identifier is used to group rows that are similar in a UITableView. If it isn’t added, the application animation will lag and affect the overall performance. 

What are the different ways in which you can specify the layout of elements in a UIView?

Some common ways you can use to specify the layout of the elements in UIView:  

  • You can use NSLayoutConstraints to have elements in your particular view arranged by Auto Layout.  
  • You can create GRect with the exact coordinates for elements and pass them through UIView’s CGRect frame method.
  • Through the InterfaceBuilder, you can add a XIB file, put elements in it, and then load that XIB in your application code.  

What’s the difference between atomic and non-atomic properties?

Atomic properties always return a fully initialized object. It’s also the default state for synthesized properties. They also affect performance.

Non-atomic properties don’t have to return any value. That's why they are only used in places where uninitialized value isn’t a risk, or where properties can be accessed through other means. Non-atomic properties perform better than atomic properties. 

Which are the ways of achieving concurrency in iOS?

The 3 ways to achieve concurrency in iOS are Threads, Dispatch queues, and Operation queues.

We are looking for an iOS Developer to join our development team and participate in developing and maintaining our projects. The developer should be able to create iOS apps and integrate them with back-end systems and different APIs. It’s an excellent opportunity for professionals looking to grow their skills and knowledge. The developer should be able to solve complex problems and work on collaborative designs. 


  • iOS developers design and code iOS applications
  • Test and debug software modules to ensure performance and quality
  • Identify coding issues to fix them in updates
  • Collaborate with multiple stakeholders and designers to create the final product
  • Follow best industry practices and standards

Skills and Qualifications

  • Knowledge of Swift,Objective-C, and dev environments such as Cocoa Touch
  • Knowledge of different frameworks (Core Data, Core Animation)
  • Experience in high-performance and threaded systems
  • Basic understanding of design principles and UX/UI principles
  • Proven experience in iOS back end integration and REST
  • Experience with Code versioning tools (Git)
  • Knowledge of Push notification and APIs
  • Problem-solving skills and team spirit

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