Hire Kotlin Developers

Looking for new options to develop your app? Relevant offers Kotlin developers for hire to make your app outstanding and modern. Let's build something great together!

Get Kotlin experts

Client testimonials

«We now have a core team of engineers at Relevant who work for us full-time and are supplemented by 4 or 5 engineers with different skillsets when and if required.»

Paul Carse
CTO and Co-founder of Life Moments

“Working with you guys has been fantastic. The level of expertise of your development team is as good as the people that we get in the UK. You’ve got a fantastic talent base of programmers. It’s more challenging to find people of that quality in the UK.”

Cassian Harrison
Co-founder of Splink Industries and My Theory Test App by James May
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Hire Kotlin developers in 4 steps

1. Describe your need

At this stage, we meet to understand your overall strategy, market niche, values, and current IT infrastructure and see how many Kotlin developers you need to hire. Then our HR managers search for candidates.

2. Review candidates

After determining all points with the development of your project, HR managers review candidates and select the best Kotlin developers for hire. You also receive their resumes to pick the final candidates.

3. Finalize your choice

Finally, after spending some time approving candidates for your project and hiring Kotlin developers, we help them quickly onboard your project and integrate your management tools into their workflow.

4. Begin development

Once integrating new candidates to work has taken place, we sign the NDA with every team member that works on your project and start prototyping and developing the backend and frontend of your app.

Services our developers are skilled at:
  • • Custom Kotlin app development
  • • Kotlin app optimization
  • • Cross-platform development
  • • Kotlin web application development
  • • Migration to Kotlin
  • • Kotlin app testing
  • • Kotlin debugging
  • • Kotlin app support and maintenance
  • • API web requests with JSON, XML, HTTP, HTTPS

Why is Relevant a good choice for hiring Kotlin experts?


Agile methodology

Agile methodology helps us go through the project planning, implementation, and evaluation holistically and cyclically to speed up the development.


Dedicated project manager

Our project managers have experience in planning the project, organizing its development & launch, and focusing on improving team performance.


80% employee retention rate

Relevant provides its engineers the job on various projects and assignments that merge knowledge and improve practice is a great way to retain talent.


9/10 client satisfaction score

At each stage, our clients receive a full range of services. We maintain high standards of service, from excellent communication to project release.


92% of senior and middle engineers

Relevant works only with experienced engineers. Our senior and mid-level software developers ensure high Kotlin services and rapid release standards.


Risk handling

Relevant constantly improves risk management methods and implies cutting-edge tools. Thus, we are more than just a supplier, but a reliable partner.

Success cases

Reducing paperwork for construction companies
View case
My Theory Test app by James May
Building #1 driving app in the UK
View case

Engagement models

Decide which model best suits your project


How can I hire Kotlin developers?

There are several ways you can hire a Kotlin developer.

The first one: is to look for a Kotlin developer for hire on freelance or hiring platforms and conduct several stages of interviews, testing, familiarization with their portfolio, etc.

The second one: you can simply contact us, and we will conduct all the necessary stages of testing the Kotlin knowledge and skills of developers, select some of the best among them and give you a choice.

How many developers can I hire from Relevant?

The number of specialists depends on which project needs to be implemented and in what terms. Therefore, you can hire Kotlin developers depending on your project needs and budget, i.e., from 1 to any number you need.

What industries do your Kotlin developers work with?

Over 9+ years, we have completed more than 200 projects. Therefore, we cooperated with almost all niches on the market. We understand the basic development needs of various industries, from banks to construction companies. The relevant team has released most of the projects in such fields:

  • Fintech
  • IoT
  • Real estate
  • Retail
  • Construction
  • Travels

Tell us more about your company and the goals of your project. Let's talk, and we'll help you hire Kotlin developers to provide you with software solutions quickly and efficiently.

Do you provide migrating services for my existing application to Kotlin?

Your application was created depending on which language and with which tools/platforms. In general, we provide migrating services for your applications to Kotlin. Hire developers to make your app work faster, better, and more diverse.

Do you provide any services to keep my data secure? Can we sign NDA?

We guarantee security and privacy at every level of the outsourcing process. We use the best security measures to protect our customers' confidential data. So when you hire a Kotlin app developer:

  • Before starting work on the project, we sign a non-disclosure agreement with the client and our employees who will work on the project.
  • Our systems don’t have external storage devices (floppies/CDs/USB ports, etc.)
  • We use passwords and two-factor authentication to protect all our systems and email.
  • Only the team working on your project has access to your code and other data.
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Do you know that we helped 200+ companies build web/mobile apps and scale dev teams?

Let's talk about your engineering needs.

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