Available to hire
Hi, I’m Olivier Wattel, a freelance data professional with a passion for languages and solving data puzzles. I enjoy turning complex data into clear, actionable insights and collaborating with cross-functional teams to help businesses grow.
Over the years I’ve built Power BI dashboards, automated data workflows, and mentored others through SQL and ETL topics. I thrive in client-facing roles and love learning new tech.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Dutch
Fluent
French
Fluent
English
Fluent
Spanish; Castilian
Advanced
German
Intermediate
Italian
Intermediate
Work Experience
Power BI Developer at Behind Your Business
March 1, 2026 - PresentCreating Power BI reports. Used tools: SQL Server, Power BI.
Data Analyst at Federal Pensionservice
January 1, 2026 - PresentAnalysing the current situation and automating where possible. Used tools: SQL Server, PowerShell, Miro, Power BI
Allround IT-consultant at Masters Of Industry
January 1, 2026 - PresentProviding support on the ERP-system and the underlying database. Used tools: SQL Server, Isah, PowerShell
Professor at Vives
January 1, 2022 - PresentTeaching database-related courses (SQL and normalization) to first year students, both Bachelors and graduates. This includes data modelling. Used tools: PGAdmin, MS SQL Server, Visual Paradigm
Senior Data Solution Developer at Ipsos
June 1, 2025 - December 1, 2025Details fully protected by NDA
Data Migration Consultant at Trustteam
March 1, 2024 - February 1, 2025Writing SQL-scripts to transform data between different programs, determining strategy and best practices, training colleagues, replacing the team lead in case of absence, functional analysis. Optimized scripts by a factor 4000. Travel as needed. Used tools: MS SQL Server, MS SQL Profiler, PowerShell, Git, Jira
Implementation Analyst at Group S (external for Elmos)
July 1, 2023 - March 1, 2024Solving tickets concerning HR-data reporting. Developing a Power BI report to analyze client churn. Writing a program to calculate end-of-year bonuses.
Benched at Elmos
February 1, 2023 - July 1, 2023There was no project available during this time; used to obtain PL-300 certificate and study DataCamp.
ETL Developer at SD Worx (external for Elmos)
September 1, 2022 - February 1, 2023Developing Power BI reports. NDA restricts further details. Used tools: Power BI
PI IS Analyst at Engie (external for Elmos)
January 1, 2020 - September 1, 2022Keep it running of the service. Developing interfaces, visualizations and scripts to improve dataflows. Taking part in a guard system to ensure business continuity. Used tools: OsiSoft PI, Microsoft SQL Server, Microsoft Office (with VBA), Microsoft Visual Studio, SSIS, PowerShell
Benched at Elmos
December 1, 2019 - December 1, 2019There was no project available during this time. Took courses on DataCamp to learn new skills.
Developer at ArcelorMittal (external for Elmos)
May 1, 2019 - November 1, 2019Data-analysis and development of queries; creating reports; programming and scripting; migrating data from DB2 to SQL Server (incremental via SSIS). Tools: IBM DB2, SQL Server, Tableau, Power BI, Excel, C#.net, VB.Net, Excel VBA, PowerShell, SSIS
Training at Elmos
March 1, 2019 - May 1, 2019Followed an advanced programming course given by Kevin DeRudder.
Packager/Programmer at National Bank of Belgium
September 1, 2017 - March 1, 2019Programming a tool from scratch to calculate everything related to employee working times (prestations, overtime, guard systems). This tool also made the reports at the end of the month, made automated meeting requests for holidays and was able to automatically read mails for data input. Providing third line support. Automating software installations.
Power BI-developer at Behind Your Business
March 1, 2026 - PresentCreated Power BI reports and dashboards; connected to SQL Server; built data models and visualizations to enable client insights.
Data-analyst at Federal Pensionservice
January 1, 2026 - PresentAnalyzed current data landscape and automated processes where possible; built dashboards and insights using SQL Server, PowerShell, Miro and Power BI.
Education
Bachelor Office Management at Artevelde University
January 1, 2014 - January 1, 2017Bachelor Applied Informatics at Katho (now Vives)
January 1, 2010 - January 1, 2013Bachelor Office Management at Artevelde University
January 1, 2014 - January 1, 2017Bachelor Applied Informatics at Katho (now Vives)
January 1, 2010 - January 1, 2013Qualifications
PL-300 certificate (Power BI)
January 11, 2030 - April 10, 2026PL-300: Microsoft Power BI Data Analyst
January 11, 2030 - April 10, 2026Industry Experience
Education, Financial Services, Manufacturing, Media & Entertainment, Professional Services, Software & Internet, Government, Healthcare, Life Sciences, Retail, Other, Computers & Electronics
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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