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20 Best Kotlin
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in 2024

Looking to hire Kotlin freelancers with the perfect set of skills for your next project? Work with the world's best freelancing talent on Contra.

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Recommended 1x
AKASH VASHISHTHA's avatar

AKASH VASHISHTHA

Delhi, India

Versatile Fullstack Engineer | Web & Mobile Expert

Recommended 1x
Arman Stepanyan's avatar
Top Independent

Arman Stepanyan

Yerevan, Yerevan, Armenia

Full stack Web / AI / Blockchain developer

Recommended 3x
Imad Bouirmane's avatar

Imad Bouirmane

Rabat, Rabat-Salรฉ-Kรฉnitra, Morocco

Software Developer - Full Stack & AI

Recommended 2x
Christian Tejada's avatar
Top Independent

Christian Tejada

New York, New York, United States

Software Development Expert, 10+ yrs exp

Recommended 4x
Daniyal Afaqi's avatar

Daniyal Afaqi

Islamabad, Islamabad Capital Territory, Pakistan

Quality Driven Frontend Engineer and Designer

Dima Umen's avatar

Dima Umen

Warsaw, Masovian Voivodeship, Poland

Full-stack developer | React Node ASP.NET PHP React Native

Recommended 4x
Ankit Kathiriya's avatar

Ankit Kathiriya

India

Custom iOS & Android Apps Tailored to Your Needs

Andrey ะกhashkov's avatar

Andrey ะกhashkov

Columbus, Ohio, United States

Expert Web & iOS Developer with 25+ Years Experience

Recommended 1x
Karuna Neewoor's avatar

Karuna Neewoor

Mauritius

IT Project Manager, Virtualization, Developer

Tap Five Development's avatar

Tap Five Development

Whitefish, Montana, United States

Exceptional App Design and Development

Abdallah Ali's avatar

Abdallah Ali

Egypt

Mobile App Developer | Android | iOS | KMP

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Cinzia Nicoletti's avatar
Top Independent

Cinzia Nicoletti

Udine, Friuli-Venezia Giulia, Italy

React Native & Custom Sites with Passion ๐Ÿ’ซ 12+ yrs exp

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Dhaval Bhimani's avatar

Dhaval Bhimani

India

Veteran Mobile App Developer with 7+Years of Experience

Alex Shchetynin's avatar

Alex Shchetynin

Barcelona, Catalonia, Spain

Full-Stack Web&Mobile Development | UI/UX Design

Malik Fasih's avatar

Malik Fasih

London, England, United Kingdom

AI Chatbot Developer | Fullstack Engineer

Nuno Lemos's avatar

Nuno Lemos

Ribeira Brava, Madeira, Portugal

Django, Android, iOS | Building powerful apps & solutions

Ayomitide Odunyemi's avatar

Ayomitide Odunyemi

United Kingdom

Senior Full-Stack Software Engineer

Aykhan Valiyev's avatar

Aykhan Valiyev

Agsu, Azerbaijan

Experienced Android & Kotlin Engineer ๐Ÿš€

Ghulam Hussain's avatar

Ghulam Hussain

Lahore, Punjab, Pakistan

Senior Android Developer | 10M+ App Downloads

Kotlin related tools for your next project

Common projects for Kotlin experts

Building an Android mobile application.

Developing backend services using Kotlin.

Converting an existing Java application to Kotlin.

Creating a multi-platform application using Kotlin/Native.

Building microservices with Kotlin and Spring Boot.

Writing test cases for an existing Android application using Kotlin.

Tips for working with and hiring Kotlin experts

Understand your project requirements

A clear understanding of the task at hand and the technical requirements it involves is crucial when hiring a Kotlin developer. Make sure you can articulate your needs and expectations before beginning the hiring process.

Assess their Kotlin expertise

Kotlin is a complex programming language used for Android app development. When reviewing a potential freelancer's profile, ensure that they have demonstrated experience and expertise in Kotlin.

Look for related skills

Apart from Kotlin, the developer should also be familiar with other related tools and technologies such as Java, Android Studio, and SQL databases. This will ensure they can handle all aspects of your project.

Communication and project management

Keep communication lines open and clear. Use Contra's built-in tools for messaging and project management to ensure the project stays on track and any issues are quickly addressed.

How to hire Kotlin experts

Define your project

Understanding your project's scope and technical requirements is the first step in hiring a Kotlin developer. Be sure to outline your project's goals, timeline, and budget.

Post a detailed job

Once your project is defined, post a detailed job listing on Contra. Be sure to include specific skills needed, project scope, and timeline.

Review applications

Review the applications and profiles of Kotlin developers who apply. Look at their portfolio, previous work, and reviews to select the best fit for your project.

Conduct interviews

Conduct interviews with potential candidates. Ask about their experience with Kotlin, previous projects, and how they handle challenges and deadlines.

Manage the project

Once you've hired a developer, use Contra's built-in project management tools to track progress, communicate, and manage payments.

3 questions to ask when interviewing Kotlin experts

1. Can you provide examples of Android applications you have developed using Kotlin?

2. How do you handle errors and exceptions in Kotlin?

3. Can you explain how Kotlin interoperability with Java works in a project?

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Frequently asked
questions

Kotlin is a statically typed, cross-platform programming language designed to interoperate fully with Java. It is widely used for Android app development.

Kotlin is a statically typed, cross-platform programming language designed to interoperate fully with Java. It is widely used for Android app development.

A freelance Kotlin developer designs and builds software applications using the Kotlin programming language. They can create mobile apps, web applications, and backend services.

Hiring a Kotlin developer on Contra is easy and hassle-free. You can browse through the profiles of top freelance Kotlin developers, check their rates, and hire them for your project, all in one place.

You can post your job details, including project requirements and budget, on Contra. Kotlin developers who are interested and fit your criteria can then apply for the job. You can also search for Kotlin developers on the platform and directly invite them to apply.

Projects that require Kotlin skills are typically related to Android app development, building backend services, or creating multi-platform applications.

The cost to hire a Kotlin developer on Contra typically ranges from $25 to $75 per hour. However, the exact cost depends on the complexity of the project and the developer's level of experience.

Freelance Kotlin developers are paid commission-free on Contra. They may charge per project, per hour, or per milestone. Clients must pay a minimum of $250 or $25 an hour to post an opportunity on Contra.

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