Senior Full-Stack web developer with more than a decade of Back-end and Front-end development experience in multiple technical stacks.

I am an upwork TOP RATED PLUS software developer with more than 9 years of experience in Ruby, Rails and JavaScript. With Job Success of 100% having more than 10,000 hours my clients keep getting back to me for new projects. I rank 9th of all the ruby on rails test takers on UpWork and I am Bachelor of Computer Science with majors in embedded systems.

My areas of expertise include

Back-end
- Ruby: 1.8.7 to 3.1
- Rails: 2.3 to 7.0
- Databases: MongoDB, PostgreSQL, MySQL and Sqlite
- Testing: MiniTest, RSpec, cucumber, guard and TimeCop
- Scrapping: Capybara, poltergeist, Httparty, selenium.
- Fixtures Replacement: FactoryGirl and Fabrication
- Background Job: Sidekiq, Resque and Delayed Job
- Searching: Sphinx and ElasticSearch
- CMS: Refinery and Locomotive
- Web Servers: Unicorn, Passenger, Thin and Puma

API Inegrations
- Payment Solutions: Stripe, Spreedly, BrainTree, Plaid, eWay, etc.
- AWS: IAM, RDS, DynamoDB, EC2 and S3
- Google: Chrome, Maps, Contacts and Calendar
- Hotel Management: HotelBeds, Sabre, Synxis.
- Support Systems: Intercom, Freshworks
- Social Media: Twitter and Facebook
- EMail: Mailchimp, Mailgun, Sendgrid
- Project Management: pivotal tracker, jira, trello
- Video Stream Processing: encoding.com
- Telephony and SMS: Twillio, Tropo and clickatel
- Others: Zapier, parkme

Front-end
- JavaScript Transpilers: ES5, ES6/ES2015, CoffeeScript, TypeScript
- CSS Preprocessors: Sass and Less
- JS Frameworks: Angular, Ember, React, Vue
- CSS Frameworks: Twitter Bootstrap
- Open Source: Developed a custom appointment calendar plugin

Management
- Tools: Pivotal Tracker, Jira, Trello, Redmine and Basecamp
- OS: Ubuntu, CentOS and Windows
- Mockups: Pencil, Balsamiq, Cacoo and Azure