US$35 / 15 mins5.0 (2519 reviews)

★Top Ruby on Rails Mentor since January 2016 (100 months in a row!)★

Experienced (15+ years) developer and friendly Ruby on Rails and React/Next.js/Redux Developer/Mentor (with passion for helping others learn) | ★ 3,585+ 5 ★ sessions/jobs. 8+ year...

APIRuby on Rails Ruby React JavaScript Heroku GraphQL Git RSpec PostgreSQL AWS (Amazon Web Services)MySQL Elasticsearch Stripe OmniAuth Redux Reverse Engineering Webpack React Native Sinatra React with redux npm React ApolloObjection fridaCharles proxy OAuth Selenium Cloud Hosting Redis React Router BDD Test driven development Bash Devise Shopify RubyGems Elastic Load BalancerReact on railsReact rails Omniauth linkedin Omniauth githubOmniauth twitterOmniauth google oauth2Omniauth facebook Webhook Stripe apiStripe ruby Stripe Payments MySQL Optimization Jquery selectors jQuery AJAX SNS Amazon SNS Amazon S3 Amazon EC2 Heroku addons Git webhooks Git rebase GitHub Flow Git pullrequests Git branch Git flow Git merge GitHub Actovemodel serializer Jbuilder Grape apiGrape Serialization Rspec2 Rspec3 RSpec for Rails Factory girlRuby minitestMinitest NokogiriDropzone RailsDropzone.jsAdministrate Rails admin Rails migrations Rails postgresql Rails 5 Youtube data apiYouTube APICapistrano CapybaraHighchartHighchartsGmap4railsGmaps4railsActive shippingBugsnagClient side validationsAws sdk Cancancan Instagram apiKaminari Factorygirl Active record BraintreeMysql2Jwt Active admin Rubocop Rails APIRails Console Railsadmin Sidekiq Papertrail CanCan Delayed job Pundit Rails Asset Pipeline BootstrapInstagramSimple formActionmailer Carrierwave Bundle Paperclip Authorization Client server Rails ActiveRecord OOP (Object-Oriented Programming)Cache Es6 Auth Rails 4 OAuth 2.0 New Relic Aws elastic beanstalk Security software Web Application Database

Manoj Pandey

US$30 / 15 mins5.0 (126 reviews)

Expert Senior Python Developer, 6 years of development experience.

**Senior backend/full-stack developer with 6+ years of professional experience** - Currently working as a Senior Data Engineer at a Climate Tech startup in Berlin - Previously wor...

FormAPIPython Git Linux JavaScript Docker DevOps HTML/CSS C++C jQuery Ruby macOS R Java Bootstrap 3 AWS (Amazon Web Services)Terraform Ansible Kubernetes Nltk Scipy Scrapy IPython Django Flask Neural Networks Text Classification Text Processing Classification NLP (Natural Language Processing)Machine Learning OCR PDF Text Extraction Automation Scraper XML Lxml HTTP Requests NumPy Matplotlib Pandas Visualisation Merging iOS Gh pages ggplot Data structure Selectors CSS Branching Animation Amazon CloudFront OS X Server Project setup SetupAutomatorXcode 7 Xcode OS X Mountain Lion Ubuntu Server Fedora Ubuntu Oh my zsh Zshrc Zsh ShellBashrc virtualenvBash Logistic regression Rstudio server RStudioJavaccJava7 OOP (Object-Oriented Programming)RubyGems Gemfile Bundler Rvm Ruby on Rails Microservices Server Configuration Server management SSH Heroku Linode Server Jquery custom plugins Jquery events jQuery Plugins AJAX Static functions Queues Stack Pointers Programming Algorithm Git pullrequests Git merge Rebase Git branch GitHub Build Clang gcc linux GCC C/C++Makefile C++14 C++11 Margin Design CSS3 Animations Css designing Html structure Regex Html formWeb Development Responsive Design Css position CSS Float CSS Animation CSS3 HTML5 HTML Bootstrap npm Nvm D3.js React Node.js JSON Angular Bootstrap modal Web Crawling Ubuntu 14 Server-Side Development Regression testing Python 3 Python 2 Object-Oriented Programming Java 8 Git flow Express.js DigitalOcean

Christoph Wagner

US$20 / 15 mins5.0 (442 reviews)

Experienced full-stack developer. I see code as an art form.

"Whoever travels without a guide needs 200 years for a two-day journey." Whether you're just starting out on the journey to becoming a great coder, or whether you're somewhere i...

Jad Salhani

US$50 / 15 mins5.0 (70 reviews)

Enterprise Architect - Full Stack Software Engineer

Software Engineer and Technical Architect **12 years in**. During my career I worked on more than 15 large scale projects, spread out between Web, Mobile and Digital Transformation...

Lightbeard

US$15 / 15 mins5.0 (18 reviews)

I haven't had a dissatisfied client yet

MS in Computer Science with over 12 years of professional experience from IBM to startup founder to freelancer with a lifelong ♥ for coding. I've published two IT books; expect exc...

FormIonic Apache cordova Objective-C iOS Android Angular HTML/CSS JavaScript jQuery WebSphere Node.js Python Linux Java Amazon EC2 MySQL Swift 2 Python 2 Performance Optimization JavaScript Animation Ios 9 Ios 8 IBM WebSphere Application Server Express.js Angularui AngularJS Directives GUI Selectors Css keyframes Database IBM DB2 SQLite Oracle PostgreSQL SQL Mysql 5.6 MySQL Optimization MySQL Administration MySQL 5 Jpa 2.0 JPA 2 JPA Java EEIBM Rational ApplicationIbm midrange IBM Jquery user interface Jquery validator Jquery development Jquery basics Jquery ui dialog Jquery validate Jquery ui datepicker Jquery autocomplete Jquery animate jQuery Plugins Jquery events Jquery selectors jQuery Mobile jQuery UIJavascript guruJavaScript Debugging Javascript memory leaks JavaScript Fundamentals JSON-RPC JSON APIJavascript patterns JavaScript MVC JSONP JSON ECMAScript JavaScript OOP JavaScript Events HTML HTML5 Html structure Html developmentCss2.0CSS Preprocessors Css pre processors Css for designers CSS MarginPaddingVertical alignmentCss align verticalAlignmentStylesheet Front-EndFont sizeFont endFont face Font awesome Fonts Css imports Css3.0 Css transforms CSS3 Animations CSS Float Css designing Css position CSS Animation CSS3 Validation User input InputTextviewText effectsForm submit Html lists Angularjs controller AngularJS ng-repeat Angular services AngularJS Scope Android Intents Android Activity Android SDK Android Studio Xcode 7 Xcode Swift iOS Design Ios7 Ios simulator Foundation Cocoa CocoaPodsVisual studio cordovaNg cordovaCordova vs2015Cordova app PhoneGap Ionic nativeIonic cross platformIonic viewIonic app Ionic angular

John Ryan

US$30 / 15 mins5.0 (11 reviews)

Full-Stack Web Developer & Hybrid Mobile Developer (Ionic 1 / 2 / 3 + Angular 1 ...

Web (JavaScript, Python, Django, Angular) & Mobile Developer (Swift iOS, Hybrid Ionic, etc) passion for building awesome apps that wow. Also have experience teaching command-line...

APIJavaScript Angular Python Django Apache cordova AJAX Firebase Git GitHub CSS3 iOS PhoneGap jQuery jQuery Mobile Twitter APIHeroku Web Application Angular2 Angular 4 Node.js Auth Deploy Web Hosting RESTful APIRaspberry Pi 2 Mobile App Development Bootstrap 3 Angularui AngularJS Directives AngularJS 1 DRF (Django REST Framework)Django tastypie Instagram apiJquery modalsJquery formsJSON APIJson response Cross-Site Scripting Cross-Browser CompatibilityAdvance jqueryTwilio DOM Manipulation Jquery events JSONP Cross domain Jquery animate Jquery validate Event handling Jquery selectors jQuery Plugins DOM JSON Internet of things Ibeacons iBeaconCorebluetoothStoryboards Xcode Swift Gh pagesGithub hostingGit cli GitHub FlowGithub for windowsVersion control Git pull Git push Git flow Git foundation Git merge Git scm Git webhooks Git branch Firebase authentication Baas Firebase hosting Ionic firebaseFirebasesimpleloginFirebase security AngularFire Back-EndPython ajaxAjax contenttype Ajax dataAjax headerAjax beforesendAjax errorAjax successAjax securityAjax headersDjango ajaxJson deserialization Promises Xhr Httprequest Xml serialization Serialization Web Service Angular2 routing Angularjs factory Hybrid Web Apps Angularjs controller Ionic Angular services Restangular Angularjs ui bootstrap AngularJS ng-repeat AngularJS ScopeAngular httpAngular bootstrap ui Angularjs routing CSS Web Development HTML/CSS CSS3 Animations CSS Animation Bootstrap Stylesheet Responsive Design Cordova Plugins Phonegap build Ios simulatorRaspRaspbian Raspberry PiDjango jqueryDjango routingDjango custom adminDjango 1.8Amazon s3 djangoDjango awsDjango herokuDjango angularjsDjango urlsDjango Haystack Django templatetags Django cms Django south Django social auth Django crispy formDjango orm Django querysetDjango nonrelDjango views Django admin NoSQL Django templates Django forms Amazon S3 Django modelsDjango firbaseHeroku cli Django migrations Twitter oauth OAuth 2.0 OAuth Heroku git Mongolab Heroku addons MongoDB HTML5 HTML

BRETON

US$5 / 15 mins

Web architect - PHP Laravel-Symfony Wordpress specialist - Ionic app - consultan...

Nearly ten years of web/development in web agencies in Paris, France.

APIPHP MySQL WordPress Zend Framework Zend Framework 2 JavaScript jQuery AJAX Node.js XML XSLT (Extensible Stylesheet Language Transformations)DTD HTML5 CSS3 Shell SEO UML (Unified Modeling Language)Jw playerSubversion Git Ionic jQuery Plugins MySQL Workbench Select Query Optimization Slow query Database connection Database Administration GitHub Zend aclZend routeZend session Zend navigationZend formZend restZend pdfZend mailBash Linux CentOS Debian Google Maps YouTube APIDailymotion apiNative apiHTML Html development HTML5 Canvas HTML5 VideoData exchangeWordPress Plugin EclipseSubclipseEclipse Plugin Tortoisesvn Class diagram Sequence Diagrams Use case Google apis Gentoo linux Express.js Diagramming Apache cordova WordPress Theme Xhr CSS Cookie Android Angular HTML/CSS JavaScript OOP jQuery UI JavaScript Events GdSimplexmlForms Authentication Session Csv Multer EJS JSON Body parser Connect jQuery Mobile

Blaze Tustanowski

US$25 / 15 mins

Senior Software Engineer at Marks and Spencer

A senior web engineer with a passion for architecture and Agile methodologies. Fast thinker and learner with deep understanding of both front- and back-end of web based systems. St...

Simon Potier

US$10 / 15 mins

Front-end developer

Front-end developer & co-founder of Bitit. Ruby on Rails | UI | Javascript | Php | Animations

Victor Awoke

US$20 / 15 mins

Senior Fullstack Developer | React | Node.js

I am an experienced software engineer, excellent in Web, Mobile and Desktop Application Development using technologies like React, React Native, .NET Framework, NodeJS, Electron, A...