20 Best Kotlin
Freelancers
to Hire
in 2025
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.
AKASH VASHISHTHA
Versatile Fullstack Engineer | Web & Mobile Expert
Rahul Bhagwat
Builder / Hacker
Arman Stepanyan
Full stack Web / AI / Blockchain developer
Daniel Afaqi
Quality Driven Full-Stack Engineer
Imad Dhin
Software Developer - Full Stack & AI
Ankit Kathiriya
Mobile & Web App Visionary | UI/UX Design Crafter
Anand Babu
Expert Fullstack & Mobile Engineer with 13+ Years Exp
Cinzia Nicoletti
React Native & Custom Sites with Passion ๐ซ 12+ yrs exp
Andrei Verdes
Senior Android Engineer
Dhaval Bhimani
Veteran Mobile App Developer with 7+Years of Experience
Dima Umen
Full-stack developer | React Node ASP.NET PHP React Native
Ayomitide Odunyemi
Senior Full-Stack Software Engineer
Abdallah Ali
Mobile App Developer | Android | iOS | KMP
Tap Five Development
Exceptional App Design and Development
Andrey ะกhashkov
Expert Web & iOS Developer with 25+ Years Experience
LeeMing Jin
iOS & Android Expert
Karuna Neewoor
IT Project Manager, Virtualization, Developer
Alex Shchetynin
Full-Stack Web&Mobile Development | UI/UX Design
Malik Fasih
AI Chatbot Developer | Fullstack Engineer
Daniel Meen
Full Stack Engineer - Mobile | IoT | AI
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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