Main items

  • Business and product building
  • Project Management and Architecture
  • Go

Server side

  • PHP
  • Go
  • MySQL
  • Node.js
  • Laravel and Codeigniter
  • Mongo
  • ZeroMQ
  • REST API construction/consumption

Client side

  • HTML5
  • CSS3
  • Javascript
  • Ember
  • Meteor
  • Angular (1.x)

Sysadmin

  • Bash
  • Web servers (Nginx/Apache)
  • Varnish
  • Monitoring
  • Optimisation

Additional

I have also done a fair amount of dev with mobile application development, most recently iOS using Swift.