Geographic Information System Developer

Role: Senior GIS Developer / Modernisation Specialist

Location: Brisbane (Northside) — 50% Hybrid WFH

Engagement: Contract (October 2026 – May 2027)

Industry: Public Sector / Transport & Infrastructure

Rate: $650-$900 per day plus super (Depending on experience)

About the Role

We are seeking a highly skilled GIS Developer to lead the modernisation of large-scale interactive mapping solutions for a major Queensland Government department.

In this contract role, you will be instrumental in migrating legacy Geocortex applications over to VertiGIS Studio Web, refactoring custom .NET/C# integrations, and upgrading enterprise spatial web applications to ensure long-term platform sustainability.

Key Responsibilities

• Application Migration: Lead the migration of legacy Geocortex Essentials applications, viewers, and workflows to VertiGIS Studio Web.
• Workflow Modernisation: Rebuild and extend business processes using VertiGIS Workflow Designer (Workflow 5).
• ArcGIS Enterprise Management: Assess, rationalise, and configure ArcGIS Enterprise content, including Web Maps, Feature Services, Portal items, security models, and web service integrations.
• Full-Stack Refactoring: Refactor existing custom .NET / C# application code and REST APIs to integrate seamlessly with ArcGIS Enterprise and VertiGIS.
• End-to-End Delivery: Produce technical designs, execute SIT/UAT testing, perform deployments, and resolve defects across production environments.

Key Requirements

• VertiGIS & Geocortex Ecosystem: Proven hands-on experience with VertiGIS Studio Web, VertiGIS Workflow Designer, and legacy Geocortex Essentials.
• Esri Enterprise Stack: Deep working knowledge of ArcGIS Enterprise (Portal, ArcGIS Server, ArcGIS Pro), Feature Services, and Web Map administration.
• Software Engineering: Strong proficiency in Microsoft .NET / C#, JavaScript / TypeScript, HTML5, and CSS.
• Database & APIs: Experience with SQL, PostgreSQL / PostGIS, REST APIs, and enterprise web service integrations.
• DevOps: Working knowledge of Git source control, deployment pipelines, and testing frameworks.

Highly Desirable Skills

• Experience developing ArcGIS Server Object Interceptors (SOIs) and custom security extensions.
• Proficiency with VertiGIS Printing & Reporting.
• Hands-on experience with FME spatial ETL data integration pipelines.
• Knowledge of spatial reference systems, including GDA94 to GDA2020 datum transformations.

Redwolf + Rosch invite and encourage applications from all backgrounds of gender, disability, culture, and race. If you require reasonable adjustments to the recruitment process, please reach out to your Redwolf + Rosch consultant.