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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # GIS Specialist - deadline 30/10/2026 - **Company:** AlmavivA de Belgique - **Location:** Brussel, Belgium - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, PHP (Programming Language), Application Programming Interfaces (APIs), Component-Based Software Engineering, ArcGIS (Software), JIRA, HTML5, Authentication Protocols, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Computer Programming, Databases, Continuous Integration, Data Cleansing, Extract Transform Load (ETL), Data Transformation, Data Migration, DevOps, Electronic Data Interchange (EDI), Spatial Databases, GIS Applications, Github, Interoperability, Python (Programming Language), PostgreSQL, Microsoft SQL Server, Oracle (Applications), PostGIS, Scrum Methodology, Software Engineering, Spatial Data Infrastructures, SQLite, Trello, TypeScript, Esri GIS (Software), Enterprise Software Applications, ReactJS, Spring-boot, Gitlab, AngularJS, Atlassian Tools, Data Management, Web Technologies, Restful APIs, Docker, Web Api - **Published:** October 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=75bbe14685687606 ## About the Role o ArcGIS Pro o ArcGIS Enterprise o ArcGIS Online o ArcGIS Experience Builder / Web AppBuilder / ArcGIS Dashboards / ArcGIS Map Viewer o ArcGIS Pro SDK o ArcGIS Python API o ArcPy * GIS development and web mapping o ArcGIS Maps SDK for JavaScript o Web GIS application development o Custom widget and component development o GIS application modernisation and migration o Interactive mapping and web cartography o Custom GIS viewers and editing tools * Geospatial standards and interoperability o OGC services: WMS, WMTS, WFS, WCS o REST API design/consumption and integration o GeoJSON and Shapefile o Integration of GIS platforms with enterprise systems and external APIs * Programming and software engineering o JavaScript o TypeScript o HTML5 and CSS o React o Angular o Python o C#/.NET o Java / Spring Boot o PHP * Data management and databases o ArcGIS Enterprise Geodatabase o PostgreSQL / PostGIS o Oracle o SQL Server o SQLite o Enterprise Geodatabase / File Geodatabase o Spatial and non-spatial data modelling o ETL, data migration, transformation, validation and publication workflows * DevOps, deployment and collaboration o Git / GitHub / GitLab / Azure DevOps / Atlassian o CI/CD support o Docker o Jira / GitHub Projects / Trello o Troubleshooting, deployment support, maintenance, and environment migration CERTIFICATES AND/OR STANDARDS A certification such as the Esri Technical Certification (e.g., ArcGIS Pro, ArcGIS developer, ArcGIS API for Python, or ArcGIS API for JavaScript) - at least 1 certificate SKILLS * GIS infrastructure support * Secure access and authentication mechanisms for GIS applications * Technical training delivery * Technical documentation and knowledge transfer * Client-facing consultancy and support in multilingual environments * Agile/SCRUM methodology ## Description * 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