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KATE’s Story

KATE Innovations was established in 2016 by Rutger Janssen, Erik Schlooz and Roderik Gerritsma out of frustration with the inefficient valuation process of commercial real estate. When it comes to adapting to the digital world of today, the commercial real estate sector is lagging behind. The disruption of this sector calls for innovative changes. The answer to the problem is KATE Innovations. KATE develops software that organises the whole valuation process from A to Z. In this way, real estate companies are able to structure their data, optimise their workflow and develop new and future-proof business models. In addition, KATE offers IT solutions that enhance the collaboration of advisors, banks, and property owners within the eco-system of the real estate sector.



Erik Schlooz

Managing Director

Erik is always looking for opportunities. He is extremely motivated to innovate the real estate sector, and loves to see the changing environment in which the property market is finally getting on board the digitalisation-boat. Only one thing can get him at ease: golf!


Rutger Janssen

Director Business Development

After having worked for more than 10 years in real estate, it was clear to Rutger that this sector is in need of drastic innovation. He left his work as an appraiser behind him and plunged into entrepreneurship with as mission to let KATE change the way real estate works!


Roderik Gerritsma

Chief Operating Officer

Between 2015 and now, Roderik achieved to build up KATE's platform from scratch and turn it into the successful software it is today. This man knows every inch of KATE. Besides that, you should also not underestimate his devastating tennis serve!


Terry Hendrix

Chief Technology Officer

Since the beginning of 2018, Terry is guiding the technical transition KATE is going through. By utilising the latest technologies, he ensures the platform is ready for the future of real estate. In his spare time, he likes to play a fine tune on the guitar.


Niels Wever

KATE Consultant

Niels is our KATE Consultant. His job is to visit users and assist them in their digitalisation process. If you need help, you can always reach out to him. During the weekends, Niels likes to play the drums in his band: Chad Smith is nothing compared to him!


Tom de Groot

Communications and Marketing Manager

Tom is our Communications and Marketing Manager. He is responsible for how KATE communicates, both externally and internally. When he is not working, Tom likes to go to the gym or attend a good party with friends.


Thijs Smudde

Front-end Wizard

Thijs is our Front-end Wizard. In his work for KATE, he always goes for the extra mile. The same goes for his passion: running. He frequently participates in running events. You can challenge him if you dare!


Bob van Hesse

JavaScript Warrior

Bob is our Javascript Warrior. He focuses on developing reactive JavaScript applications for KATE. In his free time, he's into cycling, running, and photography. Oh, and he loves his hometown: Leiden.


Roald Neuteboom

Big Data Hero

Roald is our Big Data Hero. He's compelled about getting as much as possible out of KATE's data. In his free time he likes to play basketball and do some dancing. Also, he loves his computer hardware and games.


Xander Teunissen

Back-end Xpert

Xander is an old friend of KATE. He was involved during the first steps of our company. Now, two years later, he decided to become a full-time member of Team KATE. The coming time he will be assisting the reports team, and after that focus on making KATE’s back-end even better!


Want to be part of Team KATE?

See the piece of code on the left. If you get through, you know what to do ;). Contact us at

At this moment, we are specifically looking for a:


PHP developer

Are you the PHP developer who is looking for the next step? Team KATE can help you to make that next step! You will be trained to work with the innovative KATE platform. In your work, PHP will mainly be used to realise new functionalities for our end users. As time progresses, you will get the chance to work with/learn from the latest tech. This includes, but is not limited to: ReactJS, ElasticSearch, and streaming technology.


Technical requirements:
  • 2-3 years experience with working in PHP (must).
  • Experience with MySQL / PostgreSQL / other relational databases (must).
  • Familiar with object oriented programming (must).
  • Experience with JavaScript (plus).
  • Reasonable knowledge of design patterns, for example "Gang of Four" (plus).
  • Reasonable knowledge of Docker (plus).
  • Experience with Symfony or a similar framework (plus).


Apply via!