US$35 / 15 mins5.0 (2517 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...

GitHub FlowGitHubRuby on Rails Ruby API 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 api Stripe ruby Stripe Payments MySQL Optimization Jquery selectors jQuery AJAX SNS Amazon SNS Amazon S3 Amazon EC2 Heroku addons Git webhooks Git rebase Git pullrequests Git branch Git flowGit merge Actovemodel serializer Jbuilder Grape api Grape Serialization Rspec2 Rspec3 RSpec for Rails Factory girlRuby minitestMinitest NokogiriDropzone RailsDropzone.jsAdministrate Rails admin Rails migrations Rails postgresql Rails 5 Youtube data api YouTube API Capistrano CapybaraHighchartHighchartsGmap4railsGmaps4railsActive shippingBugsnagClient side validationsAws sdk Cancancan Instagram api Kaminari Factorygirl Active record BraintreeMysql2Jwt Active admin Rubocop Rails API Rails Console Railsadmin Sidekiq Papertrail CanCan Delayed job Pundit Rails Asset Pipeline BootstrapInstagramSimple form Actionmailer 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

Johnny B. (Ionică Bizău)

US$20 / 15 mins5.0 (1720 reviews)

Full Stack Developer, *nix user, Pianist & Organist, Vegetarian, Jesus follower

Hey! I am Johnny B. 🙏 (Actually, my Romanian friends call me Ionică, which in English is basically: Johnny). ...and I 💖 emojis! I started coding around 2010, starting with simp...

Readul Hasan Chayan [Heemayl]

US$20 / 15 mins5.0 (1191 reviews)

Python Developer | Linux Administrator

I'm a Python developer with experience in (full stack) web app development. I also have expertise in GNU/Linux internals and utilities. - [My StackExchange profile](https://stacke...

Ajay K

US$25 / 15 mins5.0 (349 reviews)

Principal Java developer and technical lead with over 13 years of industry experience in designing, developing, and leading Java/J2EE projects across diverse sectors, including tel...

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...

Gabriel Almeida

US$5 / 15 mins5.0 (239 reviews)

🟢 ~500 5★ Jobs. Sr Dev 15yrs of experience – TS JS React Node Angular

I specialize in Typescript, NextJS, NodeJS, React, and Postgres, as well as the ecosystems surrounding these technologies. I am a software developer with over fifteen years of exp...

Jason (iDoAWS)

US$30 / 15 mins5.0 (163 reviews)

Cloud Solutions Architect specializing in AWS emergency support, scaling, automa...

I put out production cyber fires over donuts and camp fires. Polyphasic sleeper serving all timezones. Provider of live-help in real-time via video conference for technologies I ...

GitHub FlowGitHubDevOps AWS (Amazon Web Services)Server Linux Meteor JavaScript MongoDB Security software Firewalls Git Vim PHP TLS RESTful Web Services Gh pages CSS Aws CodebuildAws CodedeployAws CodepipelineAws CodestarInfrastructure as Code AWS Policies AWS OpsWorksAws herokuAWS VPC AWS DynamoDB AWS Data Pipelines AWS CloudFront Aws swf Amazon ami Aws amiAws machine imageAmazon machine imageMachine imageAmi Docker AWS IoT Aws sns Aws ses Amazon linux AWS Lambda Amazon SES Amazon elastic beanstalk Amazon Redshift Amazon EMR Amazon elb Amazon vpc Amazon SNS Amazon EBS Amazon Amazon SQS Amazon RDS Amazon CloudFront Amazon S3 Amazon EC2 Aws wordpress Aws sdkNewrelic rpmHAProxyLog file analysisLogging Deployment automation Resource optimization Load Balancing Reverse proxy Proxyserver ProxyCloudlinuxCentOS RHEL BSD Google Cloud PlatformModulusDigitalOcean Heroku Scalability Node.js React Bootstrap 3 HTML/CSS Bootstrap modal Underscore Underscore.js Lodash GSAP Express angular MEAN.io MEAN.js MEAN Stack Cors ECMAScript Bootstrap npm Reactive Minimongo Blaze SpacebarsMeteor autoformMeteor sessionMeteor accounts Meteor pubsub Flow router Iron Router Atmosphere Packages Real-Time Meteor blaze Meteor up Meteorite Red Hat Fedora Mint Mandriva Ubuntu Vi Shell Ash BashDirectadminCache Server PagesHttp caching HTTP Phusion Passenger SpdyHttpd.confHttp2Nginx modulesNginx 1.6 WHM cPanel Apache Web Server Apache HTTP Server 2 Apache Configuration Nginx Unicorn PumaSslerrorSSL Security SSH SSL CertificateMod proxyVirtualminWebminUserminMemcached configMemcached php Varnish API BackendlessVarnish VCLLfsNetbsdOpenBSD DebianCloud linuxphpMyAdmin Hhvm SmartyMicrosFreeposOposPOS Vim plugin Vim macros Vim scripts Vim Configuration Git webhooks Git rebase Git scm Git push Git pull Git flowGit commit GitLab Git pullrequests Git merge Git branch Git hooksBelkinLinksysKnockKnockdNetfilter iptables Firewall pfSense Deploy Penetration toolsDistaster recoveryPort scanningPort forwardingMetasploit Wireshark Nmap Disaster Recovery Planning Network SecurityMini mongoMongo adminMongodb cursorMongolab Mongojs Mongodb query Mongodb driver Mongoid Mongoose MongoadminMongoclientMongodb expertPhp fpmOpcacheAzure Auth Es6 Cache Memcache New Relic Express.js Digital Forensics Data parsing Bootstrap 4 Aws iam Apache HTTP Server

Eugen Istoc

US$20 / 15 mins5.0 (110 reviews)

Full stack application developer

I specialize in full stack development with an emphasis on front end, mobile-first, development.

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...

GitHubPython 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 Form 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 Build Clang gcc linux GCC C/C++Makefile C++14 C++11 Margin Design CSS3 Animations Css designing Html structure Regex Html form Web Development Responsive Design Css position CSS Float CSS Animation CSS3 HTML5 HTML Bootstrap npm Nvm D3.js API 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 flowExpress.js DigitalOcean

Adeel Mughal

US$22 / 15 mins5.0 (72 reviews)

Full Stack Developer, PHP, Codeignitor, Magento, Wordpress, Python

I am a freelance full-stack Magento and PHP web developer with over 11 years’ experience in web development. During that time, I have worked on projects for different clients and c...