Kotlin Developers

Are you looking to hire a Kotlin developer online for your project? No need to look further, at Ithire you can trust the development of your project to the best Kotlin developers in the market!

Clients rate 5/5

Meet our Developers

Otto Domenic

United Kingdom

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. Hi! I am full-stack senior PHP developer with 15 years of experience. I decided to thousands of problems over the years as a programmer. I have extensive experience working with high loads and I am very easy to understand other people's code. Now I have some free time and I am ready to offer its experience to solve your problems. Key areas of work: - Adding new business logic - Bug fixes, performance improvements - API integration of third parties. Create own API - Transfer of data and functionality between different projects - Writing scrapers of any complexity - Optimizing the use of databases - Create a stand-alone script with the desired business logic - Administration LAMP / LEMP

  • Hourly Rate$31 / Hr
  • Total Earned$7915
  • Experience15 Years

I'm a Full Stack software engineer and Web Developer and Designer with more than 8 years of work experience. I have done many works with PHP and Java for web application. I enjoy taking on new and diverse projects and would simply love to work in as many branches of the industry as possible. I have successfully done many jobs and eager to take new once and face new challlanges.

  • Hourly Rate$35 / Hr
  • Total Earned$9600
  • Experience8 Years

Hello everyone! My name is Carlos and I am a professional software developer with 10 years experience. I have a well-rounded skillset, with particular strengths in Ruby, Rails, Heroku, general data architecture, and information security. I am always interested in new challenges, so if you are looking for a reliable and experienced software developer to work with as a freelancer, please fell free to contact me with any question or proposal. Currently, working on latest tools & technologies like JavaScript, HTML, HTML5, CSS, CSS3, Wordpress, CMS, WooCommece, Android, Kotlin, J2EE, jQuery, Jira, BitBucket, Agile and REST APIs, JSON, Bootstrap, Angular 1-2-4, React, Vue.js.etc. I hope to hear from you! Best regards, Carlos.

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Hourly Rate$30 / Hr
  • Total Earned$19935
  • Experience10 Years

I am a Gradle specialist having worked on other automation systems and used concepts of other build tools, like Apache Maven and Apache Ant. As a Gradle Developer, I have the opportunity also using Java, Scala, and Groovy, with other project workflows and languages, provides open source and end-to-end processes from development to deployment. Also, it makes it easy to build scripts within shorter time-frames. I am very often using its built-in plugin called Build Init Plugin when dealing with Java based application development. As a Gradle developer, I have the following skills and experience to offer to clients: - Build a Java application. - Build a C++ application and library - Use the Gradle Wrapper - Build Gradle Scripts - Built-in Tasks - Built-in support for JUnit/TestNG tests - Use Community Plugins, etc. As a Systems Specialist, I coordinate, manage, implement and/or perform technical product support for equipment that has been newly installed. Work with engineering group to create and/or verify point database; creates/reviews job specific programming via computer for various systems (controls, electronic security systems (ESS), fire systems, mass notification); creates /reviews and uploads point database, creates graphics in the Central Processing Unit (CPU). Verify point database and programming operations are consistent with scope of work for the intended integration and sequence; back up data from data servers and/or create automated backup procedure; troubleshoot and resolve inconsistencies in the functions or sequence of operations; contact Original Equipment Manufacturer (OEM) for technical support as/when needed; drive issues to resolution.

  • JavaScript
  • jQuery
  • ANGULAR 2
  • Node js
  • PHP
  • MySql
  • Java
  • Hourly Rate$30 / Hr
  • Total Earned$6874
  • Experience8 Years

I am an experienced and enthusiastic Full Stack Developer with over 9 years of experience. My area of expertise is including Front-End, Back-End, WordPress, Wix,Squarespace, Custom-builds & Shopify, WooCommerce, BigCommerce, and Custom E-commerce development. I'm a Full-Stack developer working on web applications. I do work on server-side technologies(PHP) as well as APIs for apps. So I handle things on the client and server side as well. I I have worked on location-based services as well as different Web portals. I am very familiar with Version Control Systems such as GitHub, Bitbucket, and GitLab. I have also used various design software such as Zeplin, Invision to communicate with the designers. Well-versed with all kinds of front-end skills like HTML, CSS, Bootstrap, Jquery, Shopify, WordPress, eCommerce, and Woo-commerce skills necessary for a website site to look professional with a sleek and elegant layout & terms of functionality. I'm an experienced WordPress/Shopify developer and have worked on many projects with great satisfaction. I've developed multiple WordPress sites with WooCommerce, Divi, Brizy and published them on live hostings. Plus, maintained long-term client relationships. I have a diverse development background and can any type of web store or brand store either using a custom coding approach or through WordPress or Shopify.

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • Codeigniter
  • Object-oriented Programming (OOP)
  • SEO
  • SVG
  • C++
  • C#
  • Java
  • Python
  • Ruby
  • Jade
  • Hourly Rate$30 / Hr
  • Total Earned$20768
  • Experience9 Years

Doug Morgan

United States

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I'm a Fullstack developer having over 8 years of professional experience with a wide range of technologies and APIs. Programming is a joy to me. I've worked on a lot of projects based on PHP, MySQL, HTML, CSS, JavaScript.

  • Hourly Rate$50 / Hr
  • Total Earned$0
  • Experience8 Years

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Customer Reviews

Albert Golubkin

Hourly Rate35$ /Hr

Projects Done11

Reviewed by Cindy Nelson

If you are looking for quality mobile app development, I would highly recommend Albert. He is reliable, responsive and knows what he is doing.

David Lange

Hourly Rate40$ /Hr

Projects Done10

Reviewed by Ian Carroll

David is a hard-working perfectionist who is always ready to put all his energy into the current project in the fast-paced product cycle. He is a world-class and highly motivated software engineer with strong technical skills. It was really productive and inspiring to work with him. I definitely would want to work with him again later.

Asher Jones

Hourly Rate27$ /Hr

Projects Done8

Reviewed by Matthew Hill

Asher is a top skilled Android developer, who knows what he is doing. I am more than satisfied with the quality of service that was provided!

Eliana Rodriuez

Hourly Rate25$ /Hr

Projects Done8

Reviewed by Erin Morgan

Extremely talented...superb work done...ultimate timing...delivered on purposed time...Will re-hire...

Helga Lang

Hourly Rate24$ /Hr

Projects Done7

Reviewed by Marilyn Scott

This is my 3rd time working with Helga and she is always my first choice because her work has been perfect so far!

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What is Kotlin?

With an emphasis on productivity in the tech world, Kotlin has succeeded in taking the programming language expertise to another level.

The developer of software tools at JetBrains is the creator of Kotlin in 2010. Since Java was the mainly used coding language in their products, they set out to develop another computer language basing on their alright tried and tested Java, which would have constructs like higher order functions but be much simpler to program.

Therefore, Kotlin is to be thought of as a measurable, open source android programming language  that can be used for different operating systems such as web, Android, macOS and iOS.

Kotlin vs Java

As we know, Kotlin and Java are interoperable, but they are two different programming languages. So, let’s explore how they differ.

The main difference between Kotlin and Java is the Null Safety, in contrast to Java, Kotlin has built-in null safety. Kotlin also has the advantage of not only making the creation of date classes a lot easier but also extending the functionality of classes compared to Java. 

On the contrary to Java, Katlin has a smart feature that handles the casting checks. Whereas for Java it’s mandatory to specify the type of each variable, in Kotlin it’s quite the opposite.