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Senior ESRI/GIS Developer – VertiGIS Studio / ArcGIS

  • Toronto, ON
  • On-site
  • Posted Oct 21, 2026
  • 1 position

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Employment type
Contract
Experience level
Senior · 5+ years
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

Support migration of an existing GeoCortex mapping application to VertiGIS Studio and enhance web-based GIS tools. Customize GIS viewers and develop, integrate, deploy, troubleshoot, and improve accessible, responsive web mapping applications in collaboration with stakeholders.

Job details

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

What you’ll do

Support migration of an existing GeoCortex mapping application to VertiGIS Studio and enhance web-based GIS tools. Customize GIS viewers and develop, integrate, deploy, troubleshoot, and improve accessible, responsive web mapping applications in collaboration with stakeholders.

Requirements

Requires hands-on experience with VertiGIS Studio Web SDK, GeoCortex Viewer for HTML5 SDK, or ArcGIS Maps SDK for JavaScript, along with strong web development skills using JavaScript, TypeScript, React, HTML, and CSS. Candidates should have experience with GIS platforms and services, workflow integration, accessible development compliant with AODA and WCAG 2.0 Level AA; public-sector experience is an asset.

Listed skills

  • JavaScript · Preferred
  • TypeScript · Preferred
  • React · Preferred
  • HTML · Preferred
  • CSS · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • VertiGIS Studio Web SDK
  • GeoCortex Viewer for HTML5 SDK
  • ArcGIS Maps SDK for JavaScript
  • JavaScript
  • TypeScript
  • React
  • HTML
  • CSS
  • VertiGIS Studio Web/Workflow
  • Geocortex Essentials
  • ESRI Experience Builder
  • Web AppBuilder
  • ArcGIS REST API
  • ArcGIS Server
  • ArcGIS Portal
  • Accessible Web Development

Job areas

  • Technology
  • Software
  • Government & Public Sector
  • Consulting

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