Dan J.

I developed apps in Ruby on Rails, React and React Native for a startup. I am mentoring in same technologies.

I've built a REST API in Ruby on Rails from scratch. I'm familiar with the gems Pundit (authorization), Devise/Omniauth (authentication), Active-Model Serializer, Rack-Cors, Paperclip (image on AWS), Braintree (payment provider) and others.

I've web apps with React using Flux, Redux and ES6. I have contributed to Redux and held talks about Redux with React.

I've more than +20 years experience in general software development and software project management.