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Back-end Developers

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I am a Full Stack Developer with more than 7 years of extensive experience in computer science. I have strong knowledge and firm grip over leading server-side and client-side languages and frameworks, also I’m using the latest technologies to deliver the best quality in the shortest time. I’m committed to create beautiful and easy to use applications based on your requirements. Have experience with JavaScript, Typescript, NodeJS, React JS, GraphQL, Relay, HTML5, CSS,Redux, React native, etc. In addition to my knowledge base, I actively seek out new technologies and stay up-to-date on industry trends. Feel free to contact me. Will be happy to help you!

  • 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
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Back-end developer
  • .NET developer
  • Hourly Rate$25 / Hr
  • Total Earned$0
  • Experience7 Years

Ale Koskinen

Czech Republic

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I am a full-stack developer with over 9 years of experience in developing web applications and platforms. My expertise lies in building scalable and maintainable systems using modern technologies such as JavaScript, Node.js, React, Express.js, Next.js, MongoDB, etc. I have a strong foundation in computer science principles and am skilled in object-oriented and functional programming. I am comfortable working on both the front-end and back-end of a web application and have experience with databases, server-side rendering, and deployment. I am a proactive problem-solver and enjoy working on projects that challenge me to think creatively and critically. I am a fast learner and always eager to expand my knowledge and skills. I have a proven track record of delivering high-quality work on time and have excellent communication skills. From Front end I’m experienced in HTML, CSS, JavaScript, React, Typescript, Angular, Vue.js, jQuery, from Back end I’m experienced in Ruby, PHP, Python, Django, C#, Perl, Java, Golang, SEALA, Django Laravel, Spring, Express, etc. Except for the mentioned technologies I’ve also worked with such design tools as Figma, Sketch, InVision, Adobe XD, Canva, Photoshop. Also, some APIs I’ve used are Google Maps, Twitter, Facebook, Amazon S3, Open Weather Map, Shyscanner, Flight Search, etc. Databases I’ve used are MySQL, MongoDB, Oracle, Postgre SQL, Microsoft SQL, MariaDb. I would love to work with you on your project and help bring your ideas to life. Please don't hesitate to reach out to me to discuss your needs further.

  • 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
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Back-end developer
  • .NET developer
  • Game Developer
  • 3D Animator
  • Motion Graphics Designer
  • Mobile Developer
  • Designer
  • Mendix Developer
  • QA
  • Data science
  • Flutter
  • DotNET
  • Blockchain
  • XHTML
  • Vue.js
  • IoT
  • Augmented
  • GraphQL
  • Hadoop
  • Yii
  • Mern
  • VR
  • Software QA
  • Digital marketing
  • MATLAB
  • Powershell
  • Assembly
  • MQL4
  • Desktop
  • W3E
  • Delphi
  • PineScript
  • Metatrader
  • Binance
  • AutoHotkey
  • DAT
  • Icon
  • UAT
  • Data
  • Typography
  • Business card
  • Simplicity
  • Rchain
  • Vyper
  • Rholang
  • Erlang
  • CoffeeScript
  • Microsoft Access
  • CRO
  • Lisp
  • Shell
  • SAS
  • Code
  • Haskell
  • MODX
  • Perl
  • GO
  • Scala
  • Microsoft power BI
  • Network
  • Squarespace
  • Volusion
  • Big Cartel
  • Shopware
  • Ecwid
  • Webflow
  • Project management
  • Swift
  • Flutter Dart
  • Apache groovy
  • Clojure
  • Julia
  • Crystal
  • R
  • Fortran
  • COBOL
  • Elixir
  • Mongodb
  • PostgreSQL
  • OCaml
  • SQLite
  • Apache Cassandra
  • Elasticsearch
  • Firebase
  • Bash
  • Firestore
  • DynamoDB
  • VBA
  • Redis
  • MariaDB
  • Phoenix
  • Gatsby
  • Blazor
  • FastApi
  • Svelte
  • Next.js
  • Google-cloud
  • Pandas
  • Flask
  • Nuxt.js
  • Django
  • SEO-audit
  • Hourly Rate$28 / Hr
  • Total Earned$20026
  • Experience9 Years
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I am prolific full-stack web developer with 7+ years of experience and proven end-to-end development skills. As a professional developer I have developed and deployed pre-loaded games and applications for Android-based mobile phones, also created handset-specific user interface (UI) for mobile phones and tablets. During my projects I have implemented Location Listener to track exact location without alerting users through extreme battery drain.I have participated in complete Software Development Life Cycle (SDLC) for proper analysis, development, testing, deployment, and enhancement of lines of code. Here are some of my skills; Angular, HTML5, CSS3, Bootstrap, JavaScript, jQuery, AngularJS, ReactJS, JSON, Node, PHP, Ruby on Rails, and Normalize.css ; Databases: MongoDB, SQL, and PostgreSQL, JavaScript, CSS, HTML, React, Redux, Mongo, Drupal, Spring, C++, C#, and much more.

  • 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
  • Web Developers
  • Software Developers
  • Software Engineer
  • Front-end developer
  • Back-end developer
  • .NET developer
  • Game Developer
  • 3D Animator
  • Motion Graphics Designer
  • Mobile Developer
  • Designer
  • Mendix Developer
  • QA
  • Data science
  • Flutter
  • DotNET
  • Blockchain
  • XHTML
  • Vue.js
  • IoT
  • Augmented
  • GraphQL
  • Hadoop
  • Yii
  • Mern
  • VR
  • Software QA
  • Digital marketing
  • MATLAB
  • Powershell
  • Assembly
  • MQL4
  • Desktop
  • W3E
  • Delphi
  • PineScript
  • Metatrader
  • Binance
  • AutoHotkey
  • DAT
  • Icon
  • UAT
  • Data
  • Typography
  • Business card
  • Simplicity
  • Rchain
  • Vyper
  • Rholang
  • Erlang
  • CoffeeScript
  • Microsoft Access
  • CRO
  • Lisp
  • Shell
  • SAS
  • Code
  • Haskell
  • MODX
  • Perl
  • GO
  • Scala
  • Microsoft power BI
  • Network
  • Squarespace
  • Volusion
  • Big Cartel
  • Shopware
  • Ecwid
  • Webflow
  • Project management
  • Swift
  • Flutter Dart
  • Apache groovy
  • Clojure
  • Julia
  • Crystal
  • R
  • Fortran
  • COBOL
  • Elixir
  • Mongodb
  • PostgreSQL
  • OCaml
  • SQLite
  • Apache Cassandra
  • Elasticsearch
  • Firebase
  • Bash
  • Firestore
  • DynamoDB
  • VBA
  • Redis
  • MariaDB
  • Phoenix
  • Gatsby
  • Blazor
  • FastApi
  • Svelte
  • Next.js
  • Google-cloud
  • Pandas
  • Flask
  • Nuxt.js
  • Django
  • Hourly Rate$30 / Hr
  • Total Earned$24200
  • Experience7 Years
Hire Now

I am a Full Stack Developer with 7 years of experience. I look forward to bringing my strong creative, technical, and analytical skills to realize your ideas. Resolving client demands and simplifying technical issues was the key to my four quarterly service excellence awards. My skills • Frameworks: Angular.js, React.js, Django, Vue.js, Next.js, Node,.js. Express.js, jQuery • Python/PHP • CMS: Shopify, WordPress, SquareSpace, WebFlow • BigCommerce, WooCommerce, E-Commerce • React Native, Swift, Ionic, Kotlin, Objective C • iOS/Android Development • Understanding of modern UI/UX trends. • Figma, Adobe Photoshop, Adobe illustrator • Different APIs • HTML, CSS, JS, C++, SaaS • JavaScript • SEO • MySQL, SQL • Web Design/Graphic Design

  • HTML5
  • CSS3
  • JavaScript
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • Node js
  • Wordpress
  • PHP
  • MySql
  • Magento
  • Opencart
  • Shopify
  • Woocommerce
  • Laravel
  • Object-oriented Programming (OOP)
  • SVG
  • C++
  • C#
  • Icon
  • FastApi
  • Next.js
  • Nuxt.js
  • Django
  • Stripe
  • Hourly Rate$25 / Hr
  • Total Earned$12690
  • Experience7 Years

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Customer Reviews

Sergey Kruglov

Hourly Rate30$ /Hr

Projects Done4

Reviewed by Cindy Nelson

I am highly impressed by Sergey who was able to help me with my project immediately. He did not just do everything but gave good suggestions to make it even better. I am looking forward to further projects. He is a great programmer. Will definitely hire him in the future. Good quality of work, promised with what he can do and within the limited of time that requested.

Anton Novikov

Hourly Rate30$ /Hr

Projects Done5

Reviewed by Ian Carroll

Dear Anton we are grateful to you for this beneficial and productive cooperation. Thank you for developing the back-end of our bitcoin web-app investing all your time and expertise into our project. We are sure we'll have more project to work on with you.

Mark Taylor

Hourly Rate30$ /Hr

Projects Done5

Reviewed by Matthew Hill

Dear Mark, I am very happy with the projects. Thank you for the hard work.

Marcus Adams

Hourly Rate30$ /Hr

Projects Done5

Reviewed by Erin Morgan

Marcus had a broad knowledge in the field. Very experienced and skillful. I Highly recommend him.

Markos Ross

Hourly Rate30$ /Hr

Projects Done5

Reviewed by Marilyn Scott

Dear Markos, you were both skillful and informative. You did a great job in our project. We were very pleased with your work. Thank you

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Hire Back-End Developers

Hiring back-end developers is easy with Ithire. We have gathered all the best remote freelance back-end developers in one place. All you need to do to start working with them is: 

  • Create an account at Ithire 
  • Post your project 
  • Choose the freelancer you want to work with and start the collaboration! 

Front-End VS Back-End

Let’s quickly sum up the differences between front-end and back-end languages. Here are the simple definitions for both: 

Front-end development is focused mainly on the elements of the website that can be seen and interacted with by the users. In other words, everything that is seen on the web page is created by front-end developers: they are the ones responsible for the look and feel of the webpage. 

Back-end developers, on the other hand, take care of the server-side logic and the more technical aspects of website development. They focus on the things that cannot be seen. The main responsibilities of back-end developers include: 

  • Building and then maintaining websites or web apps. 
  • Troubleshooting and finding bugs 
  • Debugging and resolving the existent issues 
  • Keeping up to date with the latest technologies 

Aside from front and back-end developers, there’s also the full stack developer who, in a way, does it all. The meaning of full stack development is to handle both front-end and back-end aspects of website creation. Hence, full stack developers usually have more engineering skills than back-end and front-end developers separately. 

So choose the type of developer you need for your project and start working on it!