Marco Vaessen

Senior GIS Developer | ESRI & FME Expert

1 recommendation

Salary / Daily rate

1 person recommend

Tilburg, Netherlands

Freelance

Skills

PythonReactDockerReact NativeJavascriptVueNodeNestJavaSpring BootMavenJiraAgile CoachingScrumKanbanPostgreSQLOracleSQL QueriesMicrosoft SQL ServerPower BIKubernetesGitDevOpsAWSAngularWebpackPHPDrupalMicroservices

Languages

English (Fluent)GermanRomanianFrench

Recommended by

ing. Hans Zandvliet

GGD GHOR Nederland

Senior service manager

Recommended on 10 april 2013

About me

Intro

Senior GIS developer with 15+ years building geospatial solutions across enterprise and environmental sectors. Led vegetation monitoring projects for Port of Antwerp-Bruges, developed React/ESRI dashboards, and integrated AI detection workflows with Sentinel-2 satellite data. Specialized in FME automation, full-stack geospatial development, and bridging GIS with modern web frameworks to deliver scalable, data-driven mapping applications.

Links

Work experience

senior GIS developer

MEET HETFreelance

Jul 2026 - Present

4 months

Tilburg, Netherlands

-Project Manager Vegetation Monitoring for MEET HET, supporting the Port of Antwerp‑Bruges project. Led cross‑partner coordination (MEET HET, Croptic, Eco Reest), ensured timely and consistent scientific deliverables, managed planning and risks, and advised MEET HET management on phase completion and reporting for Port of Antwerp‑Bruges. -Build geospatial dashboards based on ESRI-leaflet libraries and React framework. -Coordinated AI detection workflow experiments, converting raster logits to polygons using multiple thresholds (0.3/0.5/0.7) and evaluating detection quality, fragmentation, and noise based on Sentinel‑2 (Copernicus / ESA) and PROBA‑V (ESA / VITO Terrascope) data. -Integrated Tileserver‑GL for serving custom MBTiles and vector tiles, enabling performant basemap delivery within ESRI‑Leaflet and React dashboards.

Geospatial domain expert

OutlierFreelance

Jan 2025 - Present

1 year 10 months

Remote, OR 97458, USA

 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, etc.

Geographic Information System Developer

InfrabelFreelance

Mar 2026 - Jul 2026

5 months

Brussels, Belgium

- Developing, analysing, and integrating the ESRI GeoJSON data type into existing asset information for RITA (Rail Information and Transmission Assessment) using FME - Reporting and configuring RITA point and line geometries in Power BI - Identifying and gathering functional requirements for the development of the InfrqCable web application - Documenting and analysing asset information systems and combining data sources from various APIs, Ramses, and other information systems using FME and QGIS

Geographic Information System Specialist

RijkswaterstaatFreelance

Sep 2022 - Dec 2025

3 years 4 months

Data quality assurance attribute data and geometry alignment in Kerngis and BKN. The Digital Topographic File (DTB) is the standard geo-information file for Rijkswaterstaat and the Ministry of Infrastructure and Water Management. The DTB serves as a basic file for various work processes, from management and maintenance to research and budgets. Track geometry maintenance Kerngis and BKN in accordance with DTB and automate this workflow in FME and python. Working with JIRA project management tools, Agile SCRUM, Kanban, build dashboards e.g. follow-up reports, issue tracking etc

Geographic Information System Developer

Agoro Carbon AllianceFreelance

Oct 2021 - Dec 2022

1 year 3 months

Berlin, Germany

Build webapplication soil components. Demo Soilsampling ESRI online. FME ETL spatial data processing. Python, geopandas. React js, Nest js, Swagger API

GIS specialist

International Fund for Agricultural Development (IFAD)

Aug 2021 - Dec 2021

5 months

Rome, Metropolitan City of Rome Capital, Italy

Geo-statistical data analysis of worldbank indicators data for different world regions

GIS developer, Knowledge Centre for Bioeconomy, Joint Research Centre

SeidorFreelance

Dec 2020 - Dec 2021

1 year 1 month

21027 Ispra, VA, Italy

Develop a EU Observatory web portal in Vue 3 framework library. Generate geo-information from rasterdata Tropical Moist Forest and disseminate datasets on the portal. Processing Global Forest fragmentation rasterdata, classify and disseminate on the portal with Vueleaflet js library, Mapbox gl js., postgresql, postgis.

GIS Developer

DG Environment

Feb 2019 - Dec 2020

1 year 11 months

Brussels, Belgium

Business Analyst GIS Develop webgis applications. Prototyping applications, Environmental, hydrocarbon data, natura2000 etc.

GIS/JAVA Developer

O2

Jul 2018 - Jan 2019

7 months

Munich, Germany

*Building webservices javax WS - Springboot, Maven, Eclipse > create a AddressTranslationService SOAP webservice. * Proposal (Open source) GIS implemenation Analysis and Design document - Geoserver, qGIS, GIS_BO_GUI apache wicket apps. * POC-CLOUD project, intro to Microservices, Kubernates, Docker. - building a docker image for running a Spring Boot application.

GIS Developer

Provincie Noord-Holland

Jan 2018 - Jul 2018

7 months

Haarlem, Netherlands

Build webapps in webappbuilder arcGISonline Corrective maintenance arcGIS/SDE/Oracle tables Mapping featureclasses and contraints in Sankey d3 javascript. Build XML metadata update in FME

GIS Developer

Unitymedia

Jun 2017 - Jan 2018

8 months

Cologne, Germany

Build FME workflows: coax, fiber node data. Build FME node areas Performance tests Oracle Spatial, postgresql, postgis Improvements UnityMedia portal user experience in boottrap

Developer

European External Action Service

Oct 2015 - Oct 2017

2 years 1 month

Brussels, Belgium

Immogest (JAVA ,maven, Spring, hibernate, weblogic) bug fixs, J2EE,weblogic, JSP webservices API Develop Country Threat Assessment webapplication (javascript, arcGIS REST server) gis intergration with Drupal (Scope) & php servers fix bugs in JAVA, Coldfusion applications, Immogest web application, javascript, css. Dojo, arcGIS API javascript framework

Geo-IT specialist

World Health Organization

Jul 2015 - Oct 2015

4 months

Geneva, Switzerland

Create arcGIS API REST services Modify existing and new program Map automation code in Python Build new webapplications for the Ebola interdisciplinair team members Maintaince MSSQL database and arcGIS server 10.3

GIS administrator

Wetterskip Fryslân

Jun 2015 - Jul 2015

2 months

Waterschap Friesland

Install arcGIS modules Support Oracle Upgrade Monitoring arcGIS server performance and optimalization

GIS Tester

Alliander

Feb 2015 - May 2015

4 months

Arnhem, Netherlands

Smallworld NRG define testcases working on testscenario`s, regression tests Connected Assets project

Test Engineer

Argenta

Jan 2015 - Mar 2015

3 months

Antwerp, Belgium

Testen SIM en KIOSK applicaties Uitvoeren en opstellen testcases Usecase en proces analyse SCRUM ontwikkelomgeving.

GIS Test engineer

Telenet

Nov 2014 - Dec 2014

2 months

Mechelen, Belgium

Mastertest opzetten en connectivity rules en association feature informatie extraheren vanuit het project GISTING (Telenet) Data validatie en Structures, Routes en Dutcs in PL/SQL Data validatie in arcGIS (Merkator) Client Data analyse in Common en Infra datamodel

GIS Specialist

Ruimteschepper

Aug 2014 - Dec 2014

5 months

Brabantine City Row

SVBBGT, Prorail opdracht. Geometrische herberekening baanvakken Prorail in FME worbbench en arcGIS 10.2 Voorbewerking objecten Groenvlakken, Verhardingsvlakken, Terreinvlakken en 7 overige features Ruimtelijke analyses voor 60cm afwijking baanvakgrenzen t.o.v. de objecten

Test Engineer

Mapscape B.V.

Jul 2014 - Aug 2014

2 months

Eindhoven, Netherlands

Testscenario`s opstellen en uitvoeren in SQLlite, Excel, Dhive, Linux Redhat

GIS software engineer

Crotec

Sep 2013 - Mar 2014

7 months

's-Hertogenbosch, Netherlands

GIS consultant

Steenwijk ICT Services

May 2011 - Oct 2013

2 years 6 months

Technisch applicatie beheer Geo applicaties, webapplicaties, JAVA, Apache, JBoss, Servlets, IIS server, Linux OS, vi, visual studio, SQL Developer, SQL, Oracle 10g, Oracle 11g, ESRI geodatabases, arcGIS suite, arcSDE 9.1- 9.3 Diverse software installaties en configuratie, CARIS suite, MARS2, ROOS, KERNGIS NAT, KERNGIS DROOG

GIS application engineer

Rijkswaterstaat

Jan 2011 - Jan 2013

2 years 1 month

GIS consultant

Percival bv

Jan 2011 - May 2011

5 months

interim GIS adviseur

GIS specialist

Nivel

Jul 2010 - Jan 2011

7 months

Interim GIS opdracht optimaliseren Projectleiding werkopdracht beheerkaart Legger

GIS specialist

RPS advies- en ingenieursbureau

Jan 2010 - Jul 2010

7 months

GIS adviseur

GIS specialist

Atos Origin

Oct 2008 - Oct 2009

1 year 1 month

GIS Software engineer

GIS Specialist

Yacht

May 2007 - May 2008

1 year 1 month

The Randstad, Netherlands

GIS specialist

Ministerie VROM

Jul 2006 - Mar 2007

9 months

GIS adviseur

GIS trainee

Dienst Landelijk Gebied

Jan 1999 - Jan 2000

1 year 1 month

Social Researcher

Rromani CRISS

Sep 1997 - Mar 1998

7 months

Bucharest, Romania

Socio-economics and cultural aspects include changes in culture, Roma and Sinti, Calvini, district Buzau Healthcare project Roma, 1 Decembrie, district ILFOV


Education

Utrecht University

GIMA, Spatial Data Infrastructure, GIS project management

2005 - 2009

4 years 1 month

Activities and societies: GIS in de organisatie, Spatial Data Infrastructure, GIS project management, AGILE, SDM, SCRUM

Van Hall Larenstein University of Applied Sciences

PostHBO, Geo-informatica

1999 - 2000

1 year 1 month

Grade: Postgraduate

Activities and societies: GIS projectmanagement

Fontys Hogeschool Tilburg

Bachelor's degree, ontwikkelingskunde

1993 - 1999

6 years 1 month

Msc GIMA


Licenses & certifications

Python Django for Beginners with 2 Practical Projects

Issued: Dec 2025

Certified by Udemy

Docker $ Kubernetes

Issued: Apr 2025

Certified by Udemy

Azure Develop fundamentals

Issued: Apr 2025

Certified by Udemy

Azure Devops fundaments for beginners

Issued: Mar 2025

Certified by Udemy

Synching API Data into ArcGIS Online Tables using FME

Issued: Jul 2024

Certified by Marco One Suites

Learning Docker

Issued: Apr 2019

Certified by LinkedIn

Java: Build Automation with Maven

Issued: Sep 2018

Certified by LinkedIn

Duolingo French Fluency: Beginner (Estimated)

Issued: Dec 2016

Certified by Duolingo

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