Build customized GIS web mapping applications with JavaScript, TypeScript, and VertiGIS Studio Web SDK in a senior development role.

This Senior Software Developer focuses on front-end mapping solutions and ESRI technologies. You will extend features with modern frameworks such as React, customize viewers, and integrate workflows and external services. The work supports end-user requirements through web-based GIS development.

Key Responsibilities:

- Customize VertiGIS Studio, Geocortex, and ArcGIS mapping applications
- Develop web mapping features using JavaScript, TypeScript, and React
- Build customized GIS viewers and tools for end users
- Integrate workflows and external services into map viewers




- Develop responsive interfaces meeting AODA and WCAG 2.0 Level AA

Requirements:

- Experience with ESRI-based GIS technologies and web mapping platforms
- Proficiency with VertiGIS Studio, Geocortex, or ESRI application builders
- Experience with ArcGIS REST API, Server, and Portal
- Robust JavaScript, TypeScript, HTML, and CSS skills
- Ability to work independently and collaboratively with project teams

Apply senior front-end development expertise to GIS viewers, accessible interfaces, and ESRI web mapping integrations.

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📌 Senior GIS Web Mapping Developer (Toronto)
🏢 FlexStaf IT
📍 Toronto