Kristofer Karlsson Email & Phone Number | Engineer at Spotify since 2010, mostly working with: * Backend development using Python, Java, PostgreSQL, Cassandra, BigTable, Spanner, Memcache, Asynchronous code * Data engineering (Apache Beam, Scio, Dataflow) Public examples of work: Writer of documentation / learning resource for using Java futures https://github.com/krka/futures-guide Main contributor of non-personal open source projects: https://github.com/spotify/folsom - High performance, highly robust asynchronous java memcached client https://github.com/spotify/sparkey - High performance, large size key value store (implemented in C) https://github.com/spotify/sparkey-java - Java implementation of Sparkey Personal/fun open source projects, not actively maintained: https://github.com/krka/kahlua2 - A full Lua implementation in Java https://github.com/krka/mockachino - A mock framework in Java to simplify testing and writing testable code. Programming competitions: * 3 times in Swedish ACM competition, 2 times in North western european finals (NWERC) * Multiple Google Codejam

Kristofer Karlsson

Engineer at Spotify since 2010, mostly working with: * Backend development using Python, Java, Postg...
Spotify, Regeringsgatan 19, Sweden

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Software engineer

2010-12-01 00:00:00 - Present

Developer

2008-11-01 00:00:00 - 2010-12-01 00:00:00

Developer

2006-02-01 00:00:00 - 2008-11-01 00:00:00

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Kristofer Karlsson is a Engineer at Spotify since 2010, mostly working with: * Backend development using Python, Java, PostgreSQL, Cassandra, BigTable, Spanner, Memcache, Asynchronous code * Data engineering (Apache Beam, Scio, Dataflow) Public examples of work: Writer of documentation / learning resource for using Java futures https://github.com/krka/futures-guide Main contributor of non-personal open source projects: https://github.com/spotify/folsom - High performance, highly robust asynchronous java memcached client https://github.com/spotify/sparkey - High performance, large size key value store (implemented in C) https://github.com/spotify/sparkey-java - Java implementation of Sparkey Personal/fun open source projects, not actively maintained: https://github.com/krka/kahlua2 - A full Lua implementation in Java https://github.com/krka/mockachino - A mock framework in Java to simplify testing and writing testable code. Programming competitions: * 3 times in Swedish ACM competition, 2 times in North western european finals (NWERC) * Multiple Google Codejam - two-time top 1000