Sebastian Burkhard / hasclass
Sebastian has been coding for the web for 15 years. His first freelance gig was at the tender age of 16. Since then he's been working with web technologies all around the world, after 2006 exclusively with Ruby.
Currently he is creating tools for Amazon Sellers (FBA/FBM), like AMZengine, a service that syncs amazon income statements to Xero.
Previously he founded CloudXLS, a service that makes it easy for programmers to delight their users and business guys with fancy excel reports, dashboards and exports.
Currently he develops for Quintel on a simulation that calculates future energy scenarios influenced by 400 parameters. It answers questions like "what happens when everyone switched to electric cars and coal prices rises". See yourself at et-model.com. Their whole source code is now open source, see the calculation engine and the front-end.
Previously he cofounded FundExplorer, a startup in the financial sector. There he built the first European database and information website for Exchange-Traded funds, it was used by major banks and asset managers worldwide. Client work included a portfolio performance calculator, back-testing tool and a fund rating application.
He holds a MSc in Computer Science from the University of Zurich (Switzerland), studied at the University of Uppsala (Sweden). Up until graduation he worked among others for ETH, built various Rails apps for Sitrox and vasp, developed an interactive collaboration screen for University of Sydney.
- Ruby Kaigi, 2013, Tokyo: RubyJS Reloaded(Video)
- hackerbeach.org, 2013, Vietnam: RubyJS Introduction
- eurucamp.org, 2011, Berlin: Writing efficient Ruby code
- reddotrubyconf.com, 2011, Singapore: Complex Calculations Within a Web Request
- rubyandrails.eu, 2010, Amsterdam: Webscraping techniques
- User groups around the world
- Improved jQuery $(str) performance by upto 30%
- Bugfix commits to Rails
- Feature contribution to Haml
- FoldComments for Sublime
- yaml_pack for working with multiple yaml files
- rubel Ruby DSL for excel like formulas.