Ruby on Rails Developers

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Clients rate 5/5

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Experienced Full Stack developer focusing on fast growing businesses. I am a self-starter and extremely passionate about code and eager to learn new things and technologies. My skills.: - Ruby, Javascript, (C++, Java, Python). - Strong Linux/Unix knowledge (Debian/Centos/OSX). - Mysql, MongoDB, Postgresql, Redis. - Ruby on Rails, Sinatra, Nodejs/expressjs, serverless framework. - ReactJs, Redux, Angularjs, JQuery. - React Native, Ionic framework, Cordova. - Capistrano, Vagrant, chef-solo. - AWS, Heroku, Digital Ocean. - Photoshop, Indesign. - Html5/Css3, Haml/Sass, compass. - Twitter Bootstrap, Zurb foundation. Open to new projects! Thank 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
  • Erlang
  • CoffeeScript
  • Microsoft Access
  • CRO
  • Lisp
  • Shell
  • SAS
  • Code
  • Hourly Rate$25 / Hr
  • Total Earned$23430
  • Experience6 Years

I am a freelance software, web application and machine learning developer. I've been working with Scala and functional programming for the past 5 years, with Machine Learning and Data Science. I prototyped a chatbot for a startup in the travel industry. To do this, I used Stanford NLP Technologies, Python, Scala and IBM Watson cloud solutions. I have used NLP techniques, such as slot filling, for dialogue management. I worked on a rule-based NLP model to extract the intent of an incoming message. For the server infrastructure, we used Twitter Finagle with Finch as HTTP server. I developed machine learning models using Python Tensorflow and Keras for the project. I prototyped Deep Learning models, such as CNN, RNN, LSTM. I also programmed data mining capabilities using Scala, Twitter API via Twitter4J/Twitter4S and streaming via FS2 (part of the Typelevel umbrella, utilising Cats infrastructure). Also, I worked on data exploration and visualisation in Gephi, the graph software. As a result, we were able to deliver the end client a prototype that they used to pitch the idea to investors.

  • 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
  • Hourly Rate$27 / Hr
  • Total Earned$38890
  • Experience10 Years

David Hunter

United Kingdom

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I am a Detail-Oriented AWS Certified Developer. I have worked on various industrial spares having developed various complex projects that help to process and transform data with a hadoop powered engine, to process data into cloud storage, such as AWS, Rackspace, Google or IBM SoftLayer, also taking control over AWS accounts. I have developed email marketing and marketing management projects with template libraried, dynamic email workflows, campaign segmentation, etc. Also, I have developed various scraping and data analysis projects that help to analize, store and vizalize data into tables, algorithms, dashboards. I have worked with Social Media and Third Party APIs and REST-Based APIs development and implementation.

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • ANGULAR 2
  • Node js
  • PHP
  • Ruby
  • Hourly Rate$30 / Hr
  • Total Earned$1600
  • Experience10 Years

I'm a passionate Full Stack Developer with 9 years of experience with strong programming abilities and a proven expertise of providing good customer support for their particular needs. I've designed and built a variety of platforms using a number of different technologies. My greatest strengths include the ability to write and code programs to a brief, investigate and analyze defects, and perform well under pressure, as well as the ability to handle any part of the process with ease. I am a collaborative team player with excellent technical abilities who has several years of related experience. My Skills: - Angular - Golang - Wordpress development - Customer care - Python - AI/ML/DL - Development of API's - R - Matlab - Postgres - TimeSeries - Experience of managing technical issue in a website - My skills include: HTML5, CSS, JavaScript,jQuery, PHP - Dotnet Developement I can assure you of a responsible attitude and my full attention to your company and all of your needs. I am highly flexible with my working hours and I am ready to connect with you as frequently as you want, delivering the tiniest updates on the process.

  • 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
  • Hourly Rate$30 / Hr
  • Total Earned$32800
  • Experience9 Years

I’m Rosi Di Mari. I’m a Full Stack Developer with over 8 years of computer programming experience. My role is involved in complete end-end development and management of website development projects and I am expecting opportunities to build websites with well standards. 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. Thank you for your time and consideration. Please let me know if there is anything further you need from me.

  • 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$25 / Hr
  • Total Earned$15092
  • Experience8 Years

Hi there, I am a full-stack developer having proven experience in large scale software/web/mobile design and development for a wide variety of companies and clients' I develop web/mobile applications. I do my best to make the clients satisfied and I can meet deadlines. I'm fluent in English my skills: API, C++, C#, Java, JavaScript , Python, Ruby, PHP, SQL, MySQL, Drupal, WordPress, WooCommerce, OpenCart

  • HTML5
  • CSS3
  • JavaScript
  • jQuery
  • Ajax
  • Bootstrap
  • Foundation
  • UI / UX
  • React js
  • React Native
  • ANGULAR 2
  • ANGULAR 4
  • ANGULAR 1
  • Node js
  • Hourly Rate$25 / Hr
  • Total Earned$25400
  • Experience10 Years

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Customer Reviews

Eduard Manole

Hourly Rate34$ /Hr

Projects Done13

Reviewed by Cindy Nelson

Excellent developer! Started from the beginning to develop software and brought it all the way to production. I would hire him again!

Mark Qwim

Hourly Rate37$ /Hr

Projects Done6

Reviewed by Ian Carroll

Mark is great. He is very motivated and has excellent technical skills.

David Brown

Hourly Rate30$ /Hr

Projects Done11

Reviewed by Matthew Hill

David is an outstanding developer and a valuable, cooperative team member. He is very professional, efficient, trustworthy and reliable. We will definitely use him again.

Lucy Kravchenko

Hourly Rate40$ /Hr

Projects Done9

Reviewed by Erin Morgan

We worked with Lucy for almost a full year through Odesk and were very with her skill, professionalism and communication. She built a custom API for us in Ruby on Rails and a web front end in AngularJS. The system was fairly complex and Lucy was great at coming up with solutions to challenging situations.

John Webb

Hourly Rate40$ /Hr

Projects Done11

Reviewed by Marilyn Scott

John is great to work with: fast programmer, fast learner, very responsive and completely trustworthy.

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Ruby on Rails Definition

What is Ruby on Rails? Ruby on Rails is a web application framework written in Ruby that allows you to quickly create web applications. Rails is often used by startups and small businesses because it is easy to learn and helps you get your web application up and running quickly. However, hiring in-house Ruby on Rails consultants can be expensive. That’s why if you need a more affordable solution, we offer to check out our freelancing board full of great freelancers! Post your jobs on our platform, and we’ll help you get the perfect freelancer for your project with the best price. 

Ruby on Rails advantages: 

  • Easy to learn
  • Quick development
  • Convention over configuration

Easy to Learn 

Ruby on Rails is easy to learn for beginners. There are many resources available online and in print to help you get started with Ruby on Rails. 

Quick development

Ruby on Rails helps you get web applications up and running quickly. That's why building apps with Ruby on Rails is pretty easy and fast. It can be a big advantage for startups and small businesses that want to launch their web application quickly. 

Convention over configuration

This means that Rails comes with a set of conventions that makes it easy to create web applications. For example, Rails uses the Model View Controller (MVC) architecture, which helps you keep your code organized.

Ruby on Rails vs Node.js

Although Ruby on Rails and Node.js are both web application frameworks, they are quite different. Node.js is written in JavaScript, while Ruby on Rails is written in Ruby.

Node.js is generally considered to be faster than Ruby on Rails because it uses an event-driven non-blocking I/O model. This means that Node.js can handle more concurrent requests with less overhead than Ruby on Rails.

However, Ruby on Rails is easier to learn than Node.js and it has a shorter learning curve. Ruby on Rails also has a more active community and more resources available.

So, which one should you choose? It really depends on your needs and preferences. If you need a fast and scalable web application, then Node.js is a good choice. If you want an easy-to-learn framework with a shorter learning curve, then Ruby on Rails might be a better choice.

In the end, the best way to decide is to try out both frameworks and see which one works best for your project.