Before founding NsLookup, Ruurtjan worked as a software and infrastructure engineering consultant at BigData Republic. He now works full-time on NsLookup.
Ruurtjan worked as a software engineering and infrastructure engineering consultant at a small machine learning consultancy firm in The Netherlands, BigData Republic.
He worked for start-ups, scale-ups and enterprises like the ING bank, Bol.com, Randstad, ProRail, Yolt and TNO.
During this time, he worked on side projects like NsLookup in the evenings and weekends.
Ruurtjan now spends most of his time working on NsLookup.
In 2011, Ruurtjan completed his Bachelor of Science degree in Software Engineering at the Hanze University of Applied Sciences Groningen. He continued his studies in IT at the University of Groningen, where he graduated as a master of science in Software Engineering and Distributed Systems in 2015.
Ruurtjan also holds certifications as a Scala and Java programmer, as well as on Apache Cassandra and Kafka.