David Craelius tells the story of Klarna building an online payment system in Erlang and their approach to solving the nightmare of technical debt accumulated during a period of fast expansion.
David Craelius has been working within the financial sector building core systems for online trading, banking and card processing the last twelve years. He was introduced to Erlang in 2006 and has been in love ever since. David became the CTO of Klarna, a fast growing Erlang based payments company in January 2011. Twitter: @dcraelius
Software is changing the world; QCon aims to empower software development by facilitating the spread of knowledge and innovation in the enterprise software development community; to achieve this, QCon is organized as a practitioner-driven conference designed for people influencing innovation in their teams: team leads, architects, project managers, engineering directors.