GIS Specialist - deadline 30/10/2026

Brussels, Brussels, Belgium · On-site · freelance · DIGIT TMII (European Commission)

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About the role

JavaScriptREST APIsPythonTypeScriptC#React.NETETLData Analysis

The tasks that service provider will be expected to perform include any or all of the following. ● Provide expertise in GIS strategies, technical solution design, and integration of geospatial capabilities within enterprise applications ● Conduct GIS requirements analysis and translate business needs into custom GIS applications, components, widgets, and workflows ● Develop, test, maintain and improve web GIS applications and ArcGIS-based solutions for visualization, editing, analysis, planning, and operational use ● Design and implement GIS processes, automation scripts, ETL/data migration workflows, and spatial data validation mechanisms using Python and related tools ● Create, maintain, structure, transform and publish GIS datasets in ArcGIS Enterprise and ArcGIS Online environments ● Develop and maintain custom GIS web components using ArcGIS Maps SDK for JavaScript and modern web technologies such as JavaScript, TypeScript and React ● Develop ArcGIS Pro add-ins and ArcGIS Enterprise extensions using C#/.NET where business needs require platform customization ● Implement and maintain integrations with REST APIs, enterprise databases, third-party systems, and OGC-compliant services such as WMS, WMTS, WFS and WCS ● Support spatial data interoperability, data exchange, API consumption, and integration with external platforms and client environments ● Perform spatial data analysis, geoprocessing, data preparation, data transformation, and quality control for cadastral, infrastructure, emergency, indoor, and other thematic datasets ● Support deployment, environment configuration, migration between environments, troubleshooting, and maintenance of GIS applications and services ● Produce technical documentation, operational guidance, and knowledge transfer materials related to GIS applications and workflows ● Deliver technical training and provide support to users, technical teams, and stakeholders on GIS development and geospatial solutions ● Collaborate with business stakeholders, developers, infrastructure teams, and external partners to ensure that GIS solutions are reliable, scalable, secure, and fit for purpose