Shelly Cloud was an automated hosting platform that made deployment of Ruby applications painless. I was a core team member and then a CEO. We hosted over 270 paying applications on 430 virtual servers. I worked in all areas required to built and run successful PaaS: user experience, front-end and back-end development, servers administration, support, marketing, sales and team management. The stack was including and I had to be familiar with the following technologies: Ruby, Rails, AngularJS, Chef, OpenStack, Ceph, GlusterFS, nginx, Varnish, HAProxy, PostgreSQL, MySQL, Elasticsearch, Redis, Git and more.
I worked on releasing MVP in Rails, PostgreSQL and Vue.js.
I worked on mobile version of existing Ember.js app.
I coordinated and implemented major redesign of a mobile app written in Ionic.
I worked on releasing MVP in Rails and PostgreSQL.
I worked on a client web app written in AngularJS.
I worked on a migration of existing Sencha app to Rails and MongoDB.
I built a spinoff app for online collaborative learning using Rails and websockets.
Things I created and develop in my free time:
Native iOS app built in Swift using UIKit, Core Location, Core Audio, RealmDB and Mapbox API. Supported by Rails web app to manage content.
Native iOS app built in Swift using SpriteKit. One of the first iMessage apps on the market promoted by Apple with over 100.000 users. There are more details in an interview I gave to Indie Hackers.
Built in Vue.js, Electron and PouchDB.
Built in Rails, Vue.js, Express and ShareDB. Extensively use Operational Transformations and contenteditable API.
I published many technical and non-technical articles at Medium, Ragnarson Blog, SitePoint, gave over 20 talks at various meetups like meet.js, Twente.rb, WRUG, TRUG and finished two 48h hackathons Rails Rumble 2012 and Rails Rumble 2015.