Marco Vaessen
Geospatial Domain Expert
Experience
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
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
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
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
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
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
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
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
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
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
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
GIS Specialist
Bluetrail, Regional Water Authority Friesland
GIS/Test Engineer
Alliander
GIS/C# Developer
Crotec bv
GIS Administrator/Developer
Steenwijk ICT Service, Directorate-General for Public Works & Water Management
GIS Specialist
Regional Water Authority Hollandse Delta
GIS System Engineer
Delta n.v.
GIS Engineer, Data Analyst
Rijkswaterstaat
GIS Adviser
Ministerie van Infrastructuur & Milieu
GIS Analyst
AND b.v.
GIS Advisor
Waterschap Peel en Maasvallei
GIS Data-Analyst
Rijkswaterstaat
GIS Consultant
Fugro-Inpark B.V.
Trainee, GIS Analyst
National Government Service for Rural Areas, Ministry of Economic Affairs
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Government and Administration (12.5 years), Utilities (3.5 years), Professional Services (3.5 years), Information Technology (2 years), Agriculture (1.5 years), and Telecommunication (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (23 years), Business Intelligence (4.5 years), Quality Assurance (3.5 years), Project Management (3 years), Research and Development (2.5 years), and Product Development (1.5 years).
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
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
Profile
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