Marco Vaessen - Geospatial Domain Expert

Q: Where is Marco based?

Marco is based in Tilburg, Netherlands .

Q: What languages does Marco speak?

Marco speaks the following languages: Dutch (Native), English (Advanced), French (Intermediate), Romanian (Elementary) .

Q: How many years of experience does Marco have?

Marco has at least 25 years of experience. During this time, Marco has worked in at least 21 different roles and for 23 different companies . The average length of individual experience is 1 year . Note that Marco may not have shared all experience and actually has more experience.

Q: What is Marco's latest experience?

Marco's most recent position is Geospatial Domain Expert at Outlier.AI .

Q: What companies has Marco worked for in recent years?

In recent years, Marco has worked for Outlier.AI , Rijkswaterstaat (Dutch Directorate for Public Works and Water Management) , AgoroCarbonAlliance , International Fund for Agricultural Development (IFAD) , and Joint Research Centre (JRC) .

Q: Which industries is Marco most experienced in?

Marco is most experienced in industries like Government and Administration , Professional Services , and Utilities . Marco also has some experience in Information Technology , Agriculture , and Energy .

Q: Which business areas is Marco most experienced in?

Marco is most experienced in business areas like Information Technology , Business Intelligence , and Quality Assurance . Marco also has some experience in Project Management , Research and Development , and Operations .

Q: Which industries has Marco worked in recently?

Marco has recently worked in industries like Government and Administration , Agriculture , and Information Technology .

Q: Which business areas has Marco worked in recently?

Marco has recently worked in business areas like Information Technology , Quality Assurance , and Project Management .

Recommended expert

Tilburg, Netherlands

Experience

Apr 2025 - Present

1 year

Geospatial Domain Expert

Outlier.AI

Designing evaluation tasks involving spatial analysis, land-use planning, environmental impact, GIS workflows, or demographic interpretation
Reviewing AI outputs for geographic accuracy, feasibility, and contextual awareness
Helping build training data that reflects real-world geographic complexity rather than textbook simplifications
Identifying where AI needs more nuance: scale, projection issues, local regulations, cultural geography, environmental constraints

Sep 2022 - Jun 2025

2 years 10 months

Arnhem, Netherlands

Senior GIS Developer / Team Coordinator

Rijkswaterstaat (Dutch Directorate for Public Works and Water Management)

Embedded with national infrastructure agency to migrate from 3 GIS applications to 1 GIS system
Led stakeholder coordination across departments to define QA goals and delivery milestones
Developed RESTful APIs (FastAPI) for secure spatial data access, improving operational transparency
Delivered custom dashboards using Python, ArcPy, ArcGIS WebApp Builder & Experience Builder
Implemented CI/CD pipelines in AWS, enhancing delivery speed and reliability of GIS services

Oct 2021 - Jul 2022

10 months

Berlin, Germany

GIS Developer AWS

AgoroCarbonAlliance

Designed WebGIS platform for soil mapping management, aligned with client needs
Automated workflows using Apache Airflow and AWS Redshift, AWS IAM, improving data delivery for analysts
Integrated React.js and geospatial SDKs for intuitive user interfaces
Provided technical support and documentation for carbon credit validation teams

Sep 2021 - Oct 2021

2 months

Rome, Italy

GIS Specialist

International Fund for Agricultural Development (IFAD)

Supported rural development planning through demographic analysis and zonal statistics in ESRI suite and Excel
Delivered country-level data tables and visualizations for policy teams using World Bank datasets

Dec 2020 - Jul 2021

8 months

Ispra, Italy

Geospatial Architect

Joint Research Centre (JRC)

Led architecture meetings with EU stakeholders to align forest monitoring tools with policy goals
Built Vue.js geoportals and integrated MapServer/GeoServer for scalable delivery
Delivered prototypes for TMF Global Forest initiative, supporting land administration and compliance

Feb 2019 - Oct 2020

1 year 9 months

Brussels, Belgium

GIS / Java Developer

Directorate-General for Environment (DG ENV)

Developed WebGIS LifeViewer for environmental impact assessments across EU member states
Provided training and support to LIFE project teams on Java, Hibernate, JSP, Spring, .NET, and GIS tools
Built REST API integrations and PowerBI dashboards for dynamic data visualization
Delivered geospatial functionality for security and humanitarian applications
Participated in design meetings and CI/CD pipeline development for scalable deployment

Jul 2018 - Dec 2018

6 months

Munich, Germany

GIS/Java Developer

Telefonica Germany

Built Java WSDL address tables with Spring Boot, Hibernate, JAX-RS, and JSF
Analyzed spatial data to optimize GSM, GPRS, and UMTS network coverage using ESRI tools
Applied ESRI GIS tools to visualize customer distribution and behavior patterns to tailor services

Feb 2018 - Jun 2018

5 months

Haarlem, Netherlands

GIS Developer

Province Noord-Holland

Built D3.js maps and five web maps “regiogebieden” in ESRI WebAppBuilder and FME
Led data migration strategies and stakeholder coordination for telecom and provincial clients
Delivered spatial analysis and INSPIRE-compliant datasets for public sector planning
Built Java WSDL address tables with Spring Boot, Hibernate, JAX-RS, and JSF

Jul 2017 - Dec 2017

6 months

Cologne, Germany

GIS/FME Developer

UnityMedia

Automated transformation of address databases into spatial layers to visualize coverage zones and support customer service portals with ESRI and FME tools
Led stakeholder coordination for integration of ESRI dashboards and FME Node areas in Nordrhein-Westfalen
Built FME workflows to prepare geospatial datasets for submission to the Bundesnetzagentur for broadband coverage and subsidy eligibility

Oct 2015 - Jun 2017

1 year 9 months

Brussels, Belgium

GIS Developer

European External Action Service (EEAS)

Delivered web geospatial functionality for security and humanitarian applications using ArcGIS JavaScript 4.0
Participated in design meetings and CI/CD pipeline development for scalable deployment
Provided operational support and disaster recovery planning for geospatial systems in Java, JSP, Hibernate, Spring, JS, JAX-RS, ArcGIS suite
Performed corrective maintenance by ticket system, resolving technical incidents and change requests

Jul 2015 - Sep 2015

3 months

Geneva, Switzerland

GIS Consultant for Epidemiological Surveillance

World Health Organization (WHO)

Designed ArcGIS dashboards for Ebola tracking and outbreak response
Provided GIS support in briefing meetings, assisting WHO staff in spatial data interpretation
Automated mapping workflows and maintained MySQL databases for real-time disease monitoring

Jun 2014 - Jul 2015

1 year 2 months

Netherlands

GIS Specialist

Bluetrail, Regional Water Authority Friesland

Mar 2014 - May 2014

3 months

Netherlands

GIS/Test Engineer

Alliander

Sep 2013 - Mar 2014

7 months

Netherlands

GIS/C# Developer

Crotec bv

May 2011 - Sep 2013

2 years 5 months

Netherlands

GIS Administrator/Developer

Steenwijk ICT Service, Directorate-General for Public Works & Water Management

Jan 2010 - May 2011

1 year 5 months

Netherlands

GIS Specialist

Regional Water Authority Hollandse Delta

Oct 2008 - Nov 2009

1 year 2 months

Goes, Netherlands

GIS System Engineer

Delta n.v.

May 2007 - Oct 2008

1 year 6 months

Rotterdam, Netherlands

GIS Engineer, Data Analyst

Rijkswaterstaat

Aug 2006 - May 2007

10 months

The Hague, Netherlands

GIS Adviser

Ministerie van Infrastructuur & Milieu

Jan 2006 - Jul 2006

7 months

Rotterdam, Netherlands

GIS Analyst

AND b.v.

Jan 2005 - Dec 2005

1 year

Venlo, Netherlands

GIS Advisor

Waterschap Peel en Maasvallei

Sep 2004 - Dec 2004

4 months

Terneuzen, Netherlands

GIS Data-Analyst

Rijkswaterstaat

Jan 2001 - Sep 2004

3 years 9 months

Leidschendam, Netherlands

GIS Consultant

Fugro-Inpark B.V.

Sep 1999 - May 2000

9 months

Netherlands

Trainee, GIS Analyst

National Government Service for Rural Areas, Ministry of Economic Affairs

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Government and Administration, Utilities, Professional Services, Information Technology, Agriculture, and Telecommunication.

Government and Administration

Utilities

Professional Services

Information Technology

Agriculture

Telecommunication

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Business Intelligence, Quality Assurance, Project Management, Research and Development, and Product Development.

Information Technology

Business Intelligence

Quality Assurance

Project Management

Research and Development

Product Development

Summary

Experienced GIS and cloud technology professional with over 15 years of expertise in designing and implementing geospatial solutions across public and international sectors. Skilled in remote sensing, spatial data infrastructure, and 3D mapping technologies. Proficient in leading GIS software and automation tools, with a strong background in programming and data integration. Known for collaborating effectively with diverse teams, delivering tailored solutions, and ensuring high standards of quality and compliance.

Skills

Skilled In Aerial Data Acquisition And Processing, Including Flight Planning And Regulatory Compliance For Drone Operations
Experienced In Managing Gis Platforms And Server Infrastructure, With Strong Capabilities In Database Design And System Administration
Proficient In Enhancing Geospatial Platforms With 3d Modeling And Integration Of Building And Infrastructure Data
Strong Programming Background Using Modern Languages And Frameworks For Geospatial Application Development
Adept At Automating Spatial Data Workflows And Integrating Cloud-based Etl Pipelines
Knowledgeable In Image Analysis And Remote Sensing Tools For High-resolution Mapping And Visualization
Cloud & Devops: Azure, Aws (S3, Glue, Eb), Gcp, Docker, Kubernetes, Airflow, Kafka, Ci/cd (Github, Gitlab Ci, Github Actions, Jenkins, Azure Devops, Terraform)
Earth Observation & Sar: Sar Signal Processing (Swell Waves, Internal Waves, Bathymetry, Eddies)
Eo Formats: Geotiff, Hdf5, Stanag, Netcdf, Kml, Geojson
Satellite Tasking: Stk (Basic), Google Earth Engine, Esa Snap Toolbox, Savoir (Intro)
Ocean Monitoring: Altimetry, Sst, Swh, Eddy Kinetic Energy, Hf Radar, Nwp Assimilation
Sar/optical Fusion: Raster Calculator, Arcgis Spatial Analyst, Dem Analysis, Ortho-rectification
Gis & Spatial Tools: Arcgis Pro/online, Qgis, Geoserver, Mapserver, Fme, Oracle Spatial, Postgis, Gdal/ogr, Esri Sdk, Smallworld, Arcgis Sdk, Experience Builder, Webapp Builder
Programming & Scripting: Golang, Python, Fastapi, Flask, Java, Spring, Hibernate, Jsp, Js,net, C#, React.js, Vue.js, Nestjs, Sql, Pl/sql, C#, Matlab, Rest Apis, Typescript, Tailwind.css
Geospatial Scripting: Arcpy, Geopandas, Jupyter Notebook, Gdal, Rasterio, Leaflet, Vue2-leaflet
Visualization & Ui: Powerbi, Leaflet, D3.js, Maplibre, Openlayers, Arcgis Js Api 4.x, Swagger, Typescript, Angular
Web/api Development: Spring Boot, Maven, Tomcat, Weblogic, J2ee, Resteasy, Oauth2, Openid, Soap, Wsdl
Databases/data Engineering: Postgresql, Oracle (10g/11g Spatial), Mysql, Mongodb, Sqlite, Dhive, Sql Server, Toad, Sql Developer
Etl Pipelines: Fme, Airflow, Aws Glue, Bigquery, Redshift, Kafka Streams
Protocols & Standards: Wms, Wfs, Inspire, Iso 19115, Ogc, Uml, Prince Ii, Itil, Erm, Orm, Oop

Languages

Dutch

Native

English

Advanced

French

Intermediate

Romanian

Elementary

Education

Utrecht University

MSc Geographical Information & Management Applications · Geographical Information & Management Applications · Utrecht, Netherlands

Southampton Oceanography Centre

MSc Radar Remote Sensing · Radar Remote Sensing · Southampton, United Kingdom

Fontys University of Applied Sciences, Tilburg

BA Human Geography · Human Geography · Netherlands

...and 1 more

Statistics

Experience

Total positions 24

Experience in Government and Administration 12.5 y

Avg length 1 y

Longest experience 3 y 8 m

Global Experience

Countries worked in 5 (Netherlands, Germany, Italy, Belgium, Switzerland)

Primary country Netherlands

Expertise

Recent roles Geospatial Domain Expert, Senior GIS Developer / Team Coordinator, GIS Developer AWS

Main industries Government and Administration, Utilities, Professional Services

Main business areas Information Technology, Business Intelligence, Quality Assurance

Qualifications

Highest degree Master

Profile

Created

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Marco based?

Marco is based in Tilburg, Netherlands.

What languages does Marco speak?

Marco speaks the following languages: Dutch (Native), English (Advanced), French (Intermediate), Romanian (Elementary).

How many years of experience does Marco have?

Marco has at least 25 years of experience. During this time, Marco has worked in at least 21 different roles and for 23 different companies. The average length of individual experience is 1 year. Note that Marco may not have shared all experience and actually has more experience.

What roles would Marco be best suited for?

Based on recent experience, Marco would be well-suited for roles such as: Geospatial Domain Expert, Senior GIS Developer / Team Coordinator, GIS Developer AWS.

What is Marco's latest experience?

Marco's most recent position is Geospatial Domain Expert at Outlier.AI.

What companies has Marco worked for in recent years?

In recent years, Marco has worked for Outlier.AI, Rijkswaterstaat (Dutch Directorate for Public Works and Water Management), AgoroCarbonAlliance, International Fund for Agricultural Development (IFAD), and Joint Research Centre (JRC).

Which industries is Marco most experienced in?

Marco is most experienced in industries like Government and Administration, Professional Services, and Utilities. Marco also has some experience in Information Technology, Agriculture, and Energy.

Which business areas is Marco most experienced in?

Marco is most experienced in business areas like Information Technology, Business Intelligence, and Quality Assurance. Marco also has some experience in Project Management, Research and Development, and Operations.

Which industries has Marco worked in recently?

Marco has recently worked in industries like Government and Administration, Agriculture, and Information Technology.

Which business areas has Marco worked in recently?

Marco has recently worked in business areas like Information Technology, Quality Assurance, and Project Management.

What is Marco's education?

Marco holds a Master in Geographical Information & Management Applications from Utrecht University, a Master in Radar Remote Sensing from Southampton Oceanography Centre and a Bachelor in Human Geography from Fontys University of Applied Sciences, Tilburg.

What is the availability of Marco?

Marco is immediately available for suitable projects.

What is the rate of Marco?

Marco's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.