Geert L.

Big Data Consultant with 26+ years in IT

English, French, Dutch

Experienced in defining, selecting and implementing business use cases where value is obtained from enterprise data to help companies become more data driven and agile. The chosen solution architectur...see more

  • Information Technology, Data & Telecom
  • Consulting
  • Information Technology


  • Pre-vetted expert
  • Confirmed hourly rate
  • Available on short notice


Streaming data architect

Club Brugge
8 months
Current position
Apr 2022 - Present
Club Brugge is one of the most professional sports organizations in Belgium, awarded as the most popular sports brand in Belgium, which is continuously monitored and strengthened by sho...see more

Data Strategy and Architect

3 years
Current position
Feb 2020 - Present
Tree53 provides a data platform implementing a blueprint data architecture that enables streaming data to be processed by applications. It is built on the Apache Kafka ecosystem deploye...see more

Streaming and Cloud Data Architect

3 years
Current position
Jul 2019 - Present
Helping Fednot to transform digitally and become more data driven by - Increasing data agility by converting databases into streaming data pipelines to a Datalake using the Tree53 data ...see more

Training | Operations | Co-Founder

11 months
Mar 2019 - Feb 2020
We are data engineering and data operations experts on a mission to boost your business agility and digital projects. We offer consulting services, trainings and a state-of-the-art data...see more

Big Data, Streaming analytics & AI consultant

1 year
Mar 2018 - May 2019
Would you like to have your resume and cover letter checked? Preparing for a job interview? Practice selection tests? Then you are in the right place. And there is more. You can also co...see more

Big Data, Cloud & AI & IoT Consultant

Vias institute
2 years
Jun 2017 - Dec 2018
Building a cloud data platform, team & products using startup approach. Helping to improve road safety.

Big Data Consultant

Port of Rotterdam
5 months
Nov 2016 - Apr 2017
Enabling a data team to go Big Data to build a data pool (small lake) in the cloud using Spark on Azure.


Spark Belgium Meetup (+ 500 members)
5 years
Jul 2015 - Feb 2020
Founder at Spark Belgium Meetup.

Head of BI

Napoleon Sports & Casino
3 years
May 2014 - May 2017
Greenfield project to master big data volumes. Managing the data team and data program and technical lead for the cloud data architecture. Small and Big Data analytics. Using Spark as ...see more

Big Data Consultant
3 months
Jan 2014 - Apr 2014
Customer Intelligence in collaboration with NGDATA (Lily) on AWS.

Big Data Consultant

European People's Party
1 month
Dec 2013 - Jan 2014
R&D How Big Data can be used for political intelligence.

Big Data Consultant

1 month
Oct 2013 - Nov 2013
Audit & optimalisation of Big Data analytics stack. Succesfully improved performance with 33%.

Big Data Consultant
7 months
Jan 2013 - Aug 2013
Big Data Architecture in the Cloud using Pig, HBase, AWS... to analyze click, view and impressions data.

Spark & Hadoop Instructor. Speaker on AI topics

7 years
Mar 2012 - Feb 2019
Instructor for * Spark Hands On * Using AI and Data Science for Business * The Hadoop Ecosystem

Big Data Consultant /
10 months
Jul 2011 - May 2012
Customer Intelligence using MapReduce, HBase, Pig on a Cloudera stack.

Developer, Team Lead, Architect, Project manager, ...

6 years
Apr 2005 - Jun 2011
Various enterprise development projects cross-industry in various roles as freelance consultant.

Java Consultant

JCS (Now RealDolmen)
2 years
Jan 2003 - Mar 2005
Multiple diverse Java related projects.

Development & System operations

Reynders Etiketten N.V.
3 years
Jan 2000 - Jan 2003
Factotum & Architect of a client/server Java SWING/RPG framework.

AS400 & Java Consultant and Instructor

MSP (Now Cegeka)
4 years
Jan 1996 - Jan 2000
Enterprise & System software development. Instructor AS400 courses at La Hulpe for 1,5 years. Got crazy enough to buy my own AS400.

Industries, roles and expertise

Industry experience

  • Information Technology, Data & Telecom

Role experience

  • Consulting
  • Information Technology


  • Big Data
  • Java
  • Web Services