Bart Valgaerts
Senior Data Engineer | Tableau & Qlik
Salaire / Taux journalier
Anvers, Belgique
Freelance
Expertises
Langues
À propos
Introduction
Data Engineer with 15+ years in BI & analytics, specializing in modern data stack migrations and enterprise BI governance. Currently migrating Qlik to DBT/Snowflake at DPG Media, with proven expertise across Tableau, QlikView, and SQL platforms serving Fortune 500 clients. I deliver scalable data solutions with hands-on ETL development, server optimization, and team training to transform your data into actionable insights.
Expérience de travail
Data Engineer
DPG Media BelgiëFreelance
sept. 2025 - Présent
1 an 2 mois
Vilvoorde / Antwerp
Migrating Qlik business logic to DBT & Snowflake
Projectmanager
TelenetFreelance
avr. 2025 - oct. 2025
7 mois
Malines, Belgique
Responsible for the migration to the new Attentia Data As A Service functionality
Tableau - Alteryx - SQL Engineer
NikeFreelance
oct. 2024 - mars 2025
6 mois
Laakdal, Belgique
SQL Engineer
DPG Media BelgiëFreelance
sept. 2022 - oct. 2024
2 ans 2 mois
Anvers, Belgique
Part of the Data Platform, providing users a platform to create data value at DPG Media.
Senior Tableau Developer
BiztoryFreelance
avr. 2021 - oct. 2022
1 an 7 mois
Belgium Town, Wisconsin, États-Unis
Helping companies setting up a complete governance model for working with Tableau Assisting migration projects from Qlik to Tableau Tableau Server automation via Python & the Tableau Server Client library Senior Tableau Server and Desktop Support & Training at multiple projects
Senior Tableau Developer (freelance)
SD Worx Belgium
sept. 2019 - mars 2021
1 an 7 mois
Antwerp Metropolitan Area
Auditing the existing Tableau Server environment + applying changes for a more future proof environment. Technical Tableau Lead, responsible for improving the internal Tableau knowlegde. Hosted internal trainings, workshops and co-development. Creating a new set of dashboards, used by all teams to assist in the daily standups.
Freelance Qlik/Tableau expert
Telenet
janv. 2019 - août 2019
8 mois
Malines, Belgique
Implementing ODAG (On Demand App Generation) to explore large telecommunication datasets. Restructuring existing data models (creating aggregates), to improve reload speed and overall performance of the Qlik Sense dashboards
Freelance Qlik/Tableau expert
IQVIA
févr. 2018 - déc. 2018
11 mois
Brussels Metropolitan Area
Qlik/Tableau developer in the Business Intelligence and Data Science team, providing BI solutions in the pharmaceutical sector. Automated the development of Qlik Sense dashboards, specifically for PMR surveys by using the ODAG (On Demand App Generation) principle.
Freelance BI Architect (Tableau Technology)
groep Van Roey
mars 2017 - mars 2018
1 an 1 mois
Responsible for the entire BI department. Assisted in tool choice, prototyping, dashboard development, server/software installation, ETL and training. Both development as management role
Freelance Tableau / QlikView consultant
BNP Paribas Fortis
sept. 2017 - janv. 2018
5 mois
Brussels Metropolitan Area
Migration of existing QlikView environment to Tableau
Freelance Tableau Consultant
Delta Zeeland (via Ordina)
juin 2017 - oct. 2017
5 mois
Middelbourg, Pays-Bas
Installation of a single node Tableau Server. Basic and advanced training in Tableau Desktop. Ad-hoc consultancy when needed
Freelance QlikView Consultant
Stratefy
janv. 2017 - mars 2017
3 mois
Freelance QlikView consultant for Stratefy NV, helping clients with visualizing their financial and operational data. Data Model based on LISA ERP. Front and back-end QlikView development
Freelance Tableau Consultant
Johnson & Johnson Group
nov. 2016 - déc. 2016
2 mois
2340 Beerse, Belgique
- Adding new functionalities to existing dashboards - Prototyping to visualise the product lifecycle (sankey charts) - Changing ETL sources to data lake
Freelance QlikView Consultant
Stratefy
août 2016 - déc. 2016
5 mois
Freelance QlikView consultant for Stratefy NV, helping clients with visualizing their financial and operational data. Data Model based on LISA ERP. Front and back-end QlikView development
Tableau Software Consultant
Biztory
juin 2014 - août 2016
2 ans 3 mois
Antwerp Metropolitan Area
Introduced Tableau to the Cronos group back in 2012. After 2 years of prototyping, training and workshops, Biztory was founded as the official Tableau reseller partner in Belgium. Most projects combined Tableau as dashboarding and Alteryx as the ETL tool.
At Once
sept. 2011 - août 2016
5 ans
2550 Kontich, Belgique
QlikView Consultant
juin 2014 - août 2016
2 ans 3 mois
2550 Kontich, Belgique
Working for one of the biggest QlikView service providers in Belgium. Projects in several industries: - government - pharma - logistics - ...
QlikView & Tableau Software Consultant
sept. 2011 - mai 2014
2 ans 9 mois
2550 Kontich, Belgique
DataMotive focuses on designing and developing higly effective Business Intelligence & Performance Management Solutions. Based upon the expertise and topic knowledge we have gained over the years, we specialize in giving business users and management an intuitive access to actionable information for reporting, analysis, dashboarding, planning and forecasting purposes, regardless of the source system you are using. Our in-depth knowledge of most legacy ERP/CRM source systems make us the partner of choice for all SAP BusinessObjects related implementations.
BI Consultant
LACO
oct. 2010 - oct. 2011
1 an 1 mois
LACO Information Services is an ICT Consultancy Company, located in Diegem. Our 140 consultants daily provide qualitative ICT services to our customers. Their specialisation is BI and Data Warehousing with a.o. SAS, Oracle, BO, Cognos and MS ; application development on MF, .net or Java platforms or ICT related business consultancy. LACO is mainly active in the bank- and pharmaceutical sector.
Internship
Calibrate
mars 2006 - mai 2006
3 mois
2550 Kontich, Belgique
Creating a Resource Planning Tool in Adobe Flex 3. Used technologies: -Adobe Flex 3 -Actionscript 3.0 -PHP -MySQL
Formation
Hogeschool Universiteit Brussel
Academic Bachelor, Schakelprogramma Handelswetenschappen - Economics
2009 - 2010
1 an 1 mois
Katholieke Hogeschool Mechelen
Bachelor, Information Management and -Systems (IMS)
2006 - 2009
3 ans 1 mois
- Business Intelligence - Web development (Flash, Flex, Photoshop) - Data Warehousing - ITIL - ERP Dissertation paper: Property Management Systems - Hotelmanagement Graduated cum laude
Licences et certifications
Cognos Report Studio v8.4
Délivré le : juil. 2026
SAP BusinessObjects 4.0 Business Intelligence (BI) and Enterprise Information Management (EIM)
Délivré le : juil. 2026
QlikView 11 Developer Certification
Délivré le : juil. 2026
Tableau Site Administrator
Délivré le : avr. 2021
Tableau Analyst
Délivré le : avr. 2021
Tableau Consumer
Délivré le : avr. 2021
Tableau Author
Délivré le : avr. 2021
Tableau Designer
Délivré le : avr. 2021
Tableau Server Administrator
Délivré le : avr. 2021
Tableau Server Architect
Délivré le : avr. 2021
Tableau Desktop Certified Associate
Délivré le : août 2020
Tableau Desktop Specialist
Délivré le : août 2019