I have seen your need. I think i can provide you solution in less time. Could you please come in chat box for more discussion .
I am a fullstack (Ruby on Rails) developer having around 5+ years of experience in Ruby on Rails.
FrontEnd
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Reactjs, Coffeescript,jQuery, Twitter Bootstrap for styling and layout, Backbone.js, Cross-browser javascript, HTML/CSS, Cross-browser html/css, HTML5/CSS3, Compass, SASS.
BackEnd
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Ruby verstion 2.0.0 to 2.7.1
Rails Framework 4,5,6
Cloud:
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Amazon web services (EC2, Load Balancing, Auto Scalling, S3, Route53, Cloudfront, SQS, SES, RDS, ElasticCache, VPC, CloudWatch, CodeDeploy), Heroku, DigitalOcean, SEO, Google AMP, DNS.
Verstion control: Github, Bitbucket, SVN
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Database: MySQL, PostgreSQL, MongDB, Sqlite
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Testing Tools: TDD and BDD, Rspec, Cucumber, Selenium
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Payment gateways: Paypal, Stripe ,Razorpay, payumoney
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API Integration:
============ Facebook, Twitter, Linked in, SMS Gateway, Google API, Google Map, Foursquare, pipl, Instagram, Bigcommerce, Shopify, Shipstation, ShippingEasy, Magento SOAP, Magento REST, Teapplix, Ebay, Amazon Sellers API.
Your satisfaction will be my primary concern and will provide you quality and consistent results.