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Serj | IOS Developer

Dev team: Mobile, 12 developers,  Europe

  • Objective-C
  • Javascript
  • SQL
  • (MySQL / PostgreSQL)
  • CSS/CSS3
  • Objective-C
  • Javascript
  • + 5 more

10 years as iOS developer, experienced in networking, databases, location tracking, camera processing, notifications, in-app purchases, etc.

Aline | UI/US Designer

Dev team: Mobile, 12 developers,  North America

  • Sketch
  • Photoshop
  • Axure
  • UI
  • UX
  • Wireframes
  • Sketch
  • Photoshop
  • + 4 more

5 years experience in design, UI/UX, wireframing and prototypes, designing interfaces for web platforms and mobile applications for Android and iOS. Has prototyped and designed user flows and responsive UI for more than 10 web and mobile apps with advanced level features.

Andy | Android Developer

Dev team: Mobile, 12 developers,  Europe

  • Android SDK
  • Java
  • Kotlin
  • OkHttp
  • Retrofit
  • RxJava
  • Dagger
  • SQLite
  • Groovy/Grails
  • Java EE
  • Spring
  • Hibernate Python
  • C#
  • Android SDK
  • Java
  • + 12 more

6 years of Android development, 2 of which as a team lead. Skillful with any part of Android development, including networking, databases, location tracking, camera processing, web view systems, background services, notifications, in-app purchases, 3rd party integrations etc. Knowledge of material design principles and Android UX. Highly concerned with clean code and manageable architecture.

Nick | Web & Mobile Developer

Dev team: Web & Mobile, 12 developers,  Europe

  • Angular
  • Node.js
  • Nginx
  • Heroku
  • Ionic Framework
  • Cordova
  • PhoneGap
  • Ionic 2
  • ExpressJS
  • React
  • Angular
  • Node.js
  • + 8 more

5 years of experience as a web & mobile full-stack developer. Nick considers himself to be a React-Native guru, as well as having strong expertise in JavaScript, OpenGL, and Serverless technologies.

Daniel | IOS Developer, Backend Developer

Dev team: Mobile, 12 developers,  North America

  • Swift
  • JavaScript
  • CSS
  • Node.js
  • MongoDB
  • React
  • Redux
  • Python
  • Django
  • Swift
  • JavaScript
  • + 7 more

Experienced backend and iOS developer. Previously worked in Yandex Blogs team. The portfolio includes an admin panel for advertising campaigns, a corporate website, e-commerce webshops, a 3D sphere map project, etc.

Victor | Team Lead, IOS Developer

Dev team: Mobile, 10 developers,  Europe

  • iOS
  • Swift
  • Objective-C
  • iPhone
  • iPad
  • Realm
  • Alamofire
  • AFNetworking
  • CoreGraphics
  • ARKit
  • CoreML
  • iOS
  • Swift
  • + 9 more

8 years experience in IT, 5 years as an iOS developer. Experienced in any part of iOS development, including networking, databases, location tracking, camera processing, webview systems, background services, notifications, in-app purchases, etc. Deep knowledge of human-machine interfaces and iOS design principles. Developed and released more than 15 applications.

Denis | Android Developer

Dev team: Mobile, 10 developers,  Europe

  • Android SDK
  • Java
  • RxJava
  • Dagger
  • OpenCV
  • Qt
  • JDBC
  • C#
  • Java
  • RxJava
  • + 6 more

Experienced Android developer with strong expertise in Java for Android, Kotlin, OpenCV, Qt, C# with MS SQL Server. Modeling and visualization of physical processes (pressure sensors, pipes, refrigeration), development of apps for working with cameras with different modes (plain, fisheye, 360x360). 7 completed major projects.

How DevTeam.Space Works

Tell us about your challenge & get a free strategy session

Submit a project. Your dedicated tech account manager will then contact you to assess your needs in detail and answer any questions.

Get a perfect match & project roll out within days

A team of field-expert engineers is assigned to your project according to your needs. Once approved, we set up the process and get started.

Stay on top of your project & track progress in real-time

Our data-driven agile process ensures a consistent delivery on your project's weekly sprints. It is transparent and provides you with regular updates and roadblock tracking.

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Achieve your goals with minimum hassle, maximum ROI, and at zero risk. We'll hold your payment until you are 100% satisfied and all agreed tasks are completed.

The Vital Guide to Mobile App Developer Interviewing

“Coming together is a beginning, keeping together is progress, working together is success” – Henry Ford

It has been estimated that there is now somewhere in the region of 20 million software developers in the world, a figure that is more than double the number of 2014. Around 50% of these developers are estimated to be working on mobile app development in either a full-time or freelance capacity.

For companies and individuals who desire to create world-class mobile applications, finding the top mobile programmers in the huge pool of talent available can be an enormous challenge that is fraught with dangers. For those of us who have had our fair share of run-ins with unmotivated or inexperienced developers who we have entrusted to help us build our mobile apps, well, let’s just say it is not a pleasant experience.

Whether you are a small startup company that is looking to build its first app, an entrepreneur seeking to expand into the lucrative app market, a project and product manager, a CEO or a CTO, being aware of what to look for and how to sieve out the best from the rest is really the difference between a project getting completed on time and to specification without being infested with bugs.

In the spirit of Henry Ford’s statement that “working together is success”, we decided to share our expertise by putting together this informed guide on how to hire mobile developers who will help you make your dreams a reality.

Mobile apps are the key to success!

Back in the 1980’s, a relatively unknown computer company CEO by the name of Steve Jobs predicted that the future of computing lay in "an incredibly great computer in a book that you can carry around with you that you can learn how to use in 20 minutes."

Today, Statistic estimate that there are now 2.32 billion smartphones in use throughout the globe. That’s 1 phone for every 3 people on the planet! Smartphone ownership levels in the USA are now roughly 70% of the population. The rise of the smartphone has taken the world by storm and has been unprecedented on almost every scale. To put this into perspective, it nearly 50 years from the invention of the television for the ownership numbers to reach the same level.

“The future of mobile is incremental innovation with a transformation impact” – Rejig Pold, Telephonic UK

Remember the time when people said they would never put their personal details or credit card information into their phones? Well, those days are long gone. Today smartphone users thirst for apps like never before and now prefer them over using the app vendor’s website. This trend has certainly not gone unnoticed; the Apple App store now has nearly 2 million downloadable apps while Google play has 2.2 million apps. More than half of these apps are either pay-per-download or are designed to facilitate smartphone users to pay for goods and services. In 2016, the global app market was worth a mouthwatering $45 billion, and is expected to double in size to more than $100 billion by the year 2020.

It is safe to say that we need expert mobile developers more than ever. Though globalization has given us access to large pools of overseas developers who are often willing to work for less money, something which has helped keep costs from project managers lower, none of this matters one bit if these people are not experienced top-level developers who have both the motivation and know how to get the job done.

Never forget what Ralph Johnson said “Before software can be reusable, first is has to be usable”.

Fundamental to getting the best usable product is finding the right specialist(s) to make it happen.

Mobile developers for hire: How a good interview can help you find the best one

While hiring an app developer or dev team is not the same as taking on a new member of staff, there are many similar processes and techniques that can be used in testing out suitable candidates. Any interviewer can successfully root out the right candidate when they have the right tools at their disposal.

When it comes to interviewing app developers, the main problem that most interviewers face is the gaps in their own knowledge or experience. Certainly those with little to no background in coding usually find the prospect of trying to find the best development engineers extremely difficult.

One of the things that companies learn really fast is that being able to code is not the what makes a good developer. In most cases, the developers who apply for the position that you are offering, will almost certainly be reasonably good at writing code. A top-notch developer will obviously have no problem writing code, but will also have the all-important skills of being able to work in a team, be a good communicator, be able to admit and learn by their mistakes and most important of all, be passionate and reliable.

So how can you find all this out in an interview?

Well, the good news is that there are numerous techniques that can help you nail that perfect developer with an almost 100% chance of getting it right. After years of interviewing developers from a variety of different backgrounds, we have amassed a wealth of experience and trick to separate the bad from the good, and the good from the best.

What follows is a step by step guide on how to identify the best mobile app developers based on a number of caveats that will determine their suitability for your particular project. Don’t forget, just because one particular candidate might seem ideal at first site, after conducting an interview based on the methodology we outline here, you may well find that they are far less suitable than you originally thought. You only need to keep reading to find out what they are.

Do you have wings and can you fly? What makes a good app developer?

‘I can write good code and always get my projects completed on time’ – Sound familiar? Anyone who has ever interviewed an app developer will have heard some variation of this line. The problem is that it tells you almost nothing about the individual you are interviewing. It’s kind of like trying to tell what kind of bird you are talking to by asking ‘do you have wings and can you fly?’

To understanding how to find the best developers you must first understand what makes a great developer.

If you are new to the software development, it is easy to gaze in jealousy at other company’s apps and fall into the trap of assuming these apps were all created flawlessly with no bumps in the road as they say. This is nonsense, no app project in history has ever been developed without having at least a few problems. This is why you need a great developer who is not just good at writing code but also has the following strengths in his/her character:


Your new developer might be a code writing god but if they lack passion your project is almost certainly going to end up being a Buick rather than a Corvette. Passion breeds perfection and without it there is little chance your project will shine.

A passionate developer is the kind of person who eats, sleeps and dreams code. For these people programming is an art that allows them like engineers to build beautiful things. You can expect to find many of these passionate developers discussing the latest trends/advancements in the industry with their colleagues online and often helping others out by answering questions on forums.

If you manage to find one such developer, you can guarantee that they are the person who will stay up all night debugging code just to make sure the problem you noticed gets fixed. For these people the challenge is the ‘juice’, and for whom pride in perfection is everything.


Any developer that you are planning to hire should be excellent at writing code. To establish whether or not they can is relatively straightforward, just give them a test. Another way to be able to better judge their knowledge of programming is by checking on their experience.


Now comes the double edge sword. As a general rule, the more experience a developer has, the less likely they are going to run into unforeseen problems. This gives the project planners much more flexibility as an experienced developer will be able to quickly modify problems or build on additional features etc.

To gain a better understanding of a developer’s general experience you can ask to see examples of their past projects and coding (should someone on your staff be qualified to understand it).

Good Attitude

A good attitude to a developer is important as water is when making cement. It is not uncommon after having raised a query/issue to find yourself in an argument or being told in one sentence that what you are asking is impossible without more money.

A good developer will always be professional and will always be happy to explain a problem and its possible solutions out in full. Note that they will always be positive in their outlook, something that makes a huge difference to getting things done.

The ability to admit mistakes quickly and put them right is also the kind of attitude a developer needs to be the best. Experienced developers, in particular, can often let things get to their head and so won't admit when they are wrong.

Work well as part of a team

In the Bible story about the Tower of Babel, mankind begins to build a great tower so that they can reach heaven. Upon seeing this, God takes away their ability to work as a team by giving them all different languages so that they can no longer communicate.

Mobile apps development is a complicated and time-consuming industry, as a result it requires numerous individuals to come together and work as a team. They all need to be able to convey requests and information to other members of the team while also working around any personality clashes otherwise this will create problems in the project.

Always meets deadlines

In any industry, project delays are one of the most frustrating and embarrassing parts that keep most managers awake late into the night. The last thing you need is an unreliable developer who doesn’t seem able to meet deadlines. The word deadline sounds so scary to emphasize the importance of the need to get things done on time.

Able to see the end picture

Interestingly, over the years it has been demonstrated time and time again that a developer who cannot full picture what the end goals and the needs of the app users will be, often ends up taking more time to complete the project. This is because they will write code without foreseeing upcoming features/requirements and changes. A good developer will know what users will need from his code and will make it happen.

What makes a good dev team?

A good dev team will be required to have the traits that make a good software developer though with a number of other additional caveats. Firstly, it is important that the dev team have a well-oiled internal development process and communication policy that helps the project run as smooth as possible. Since the project owner is entrusting the fate of the project with the dev team, these processes should allow for them to be kept in clear understanding about what exactly is going on.

All too often inexperienced dev teams neglect their clients by not keeping them regularly updated with where the project is at, failing to inform them of any problems/issues that could affect or delay the project later on down the line, and taking a long time to respond to client queries too.

Since a dev team is often a group of individuals who work together in remote locations, often dev team managers are unable to keep a project and its progress completely visible in their mind, especially as many dev teams are working on many different projects at once. This is why all the best dev teams have set processes that include regular progress reports in order to make sure everything is on course.

Our Expertise

Java/C++ (Android), Objective-C/Swift (iOS), C# (windows Phone)
Xamarin (iOS, Android)
Ionic, React Native, Phonegap
Domain-specific solutions
Social/chat (XMPP, Smack, OpenFire, Pusher)
Augmented reality/computer vision (OpenCV, Metaio)
Data visualization (AnyChart, D3.JS, HighCharts)
Location aware apps (Pocketshpinx)
Retail (surveys, barcode scanning)
APIs (RestKit)
Testing and Reporting (Crashlythics)
3rd party API integration: Google, Facebook, Twitter, Stripe, Flickr, Amazon

DevTeam.Space is comprised of vetted mobile-focused dev teams who have a proven track record of excellence in all aspects of mobile development, including norms and standards of user interfaces and user experience, client-server interactions, RESTful APIs, caching and resource management, performance tuning, debugging, testing and deployment.

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