ThoughtStorm
Senior ESRI/GIS Developer – VertiGIS Studio / ArcGIS
Skills
2 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Toronto, ON, Canada
Work mode:
Onsite
Published on:
20 October 2026
What they need
We are seeking a Senior ESRI/GIS Developer to support the migration of an existing GeoCortex mapping application to VertiGIS Studio and enhance web-based GIS tools.
- Hands-on experience with VertiGIS Studio Web SDK , GeoCortex Viewer for HTML5 SDK , or ArcGIS Maps SDK for JavaScript .
- Strong experience customizing GIS viewers and developing web mapping features using JavaScript, TypeScript, React, HTML and CSS .
- Proficiency with VertiGIS Studio Web/Workflow , Geocortex Essentials , ESRI Experience Builder or Web AppBuilder .
- Experience integrating ArcGIS REST API, ArcGIS Server and ArcGIS Portal , including GIS services and application deployment.
- Knowledge of accessible web application development in compliance with AODA and WCAG 2.0 Level AA .
- Experience with GIS workflow integration, responsive UI development, troubleshooting and stakeholder collaboration.
- Public-sector experience is an asset.
Location: Toronto, ON | Work Arrangement: 5 days onsite
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