Senior GIS / VertiGIS Developer needed for 7-month contract in Toronto/Peterborough, ON. Lead modernization of 18+ geospatial apps from Geocortex to VertiGIS.
Responsibilities
Lead technical design, development, and modernization of 18+ business-critical geospatial applications from Geocortex to VertiGIS. Integrate solutions with Esri ArcGIS Enterprise, portal technologies, geoprocessing services, and Azure cloud infrastructure. Build and support web-based GIS applications using JavaScript, TypeScript, Python, HTML5, CSS, and .NET/C#. Ensure system stability, performance optimization, AODA accessibility compliance, and adherence to enterprise IT standards. Collaborate with cross-functional teams, architects, and business stakeholders through all stages of the SDLC.
Requirements
Must-Have Qualifications: GIS Suites: Expertise with VertiGIS, Geocortex, Esri ArcGIS Enterprise (ArcGIS Server, Portal, Notebooks, ArcPro SDK), and FME. Development & Scripting: Strong experience in JavaScript, TypeScript, Python, C#, .NET, REST / JSON APIs, and SQL. Cloud & Infrastructure: Hands-on experience with Microsoft Azure, GIS infrastructure, and microservices architecture. Documentation & Leadership: Proven experience producing installation guides, build books, technical specs, and providing SDLC project leadership.
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