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Senior GIS Migration Developer

icon building Company : Weekday Ai
icon briefcase Job Type : Full Time
icon remote-alt Remote / Work from Home

Number of Applicants

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Job Description - Senior GIS Migration Developer

This role is for one of Weekday’s clients
Min Experience: 5 years
Location: Remote (India), India
JobType: full-time

Position Summary

  • Lead enterprise migration project from Geocortex Essentials and HTML5 web mapping applications to ESRI JavaScript API 4.x.
  • Critical role requiring deep expertise in legacy GIS migrations and modern web mapping technologies.

Primary Responsibility

  • Lead end-to-end migration of 20+ enterprise web mapping applications from JavaScript API 3.x to ESRI JavaScript API 4.x, ensuring functional equivalency with Geocortex Essentials 4.15.

Required Technical Expertise

Core GIS Technologies & Versions

  • ESRI JavaScript API 4.x – Expert (4.15+ preferred)
  • VertiGIS Studio – Extensive hands-on workflow development
  • Geocortex Essentials 4.15 – Deep architecture & functionality knowledge
  • ArcGIS Enterprise – Server configuration & deployment
  • Utility Network (UN) – Migration experience required
  • Geometric Network – Legacy system understanding

Web Development Stack

  • JavaScript/TypeScript (ES6+, modern frameworks) – Advanced
  • HTML5/CSS3 – Responsive development expert
  • C#/.NET Framework – Web services, custom modules, handlers
  • SQL Server – Database design, stored procedures, optimization
  • SOAP/REST Web Services – Development & integration

Workflow Technologies

  • Geocortex Workflow (GWF4) – Migration experience required
  • VertiGIS Studio Workflow 5 (VWF5) – Implementation expertise
  • Custom Workflow Development – Business logic migration

Enterprise Integration Technologies

  • Active Directory Federation Services (ADFS) – Authentication
  • SQL Server Reporting Services (SSRS) – Report migration & development
  • Payment Gateway Integration (e.g., Moneris)
  • Document Management Systems – Integration experience

Specific Application Experience

  • Permit management systems (ROW permits, banner permits)
  • Asset management (water, sanitary, storm infrastructure)
  • Contractor portals with secure access
  • Incident management & inspection systems
  • Maintenance scheduling (snow clearing, street sweeping)
  • Public-facing land inventory systems
  • Defect logging & tracking systems

Security & Authentication

  • ADFS Integration – Enterprise authentication
  • Role-Based Access Control – Multi-level security
  • Secure Portal Development – Public/internal differentiation

Migration-Specific Requirements

  • Legacy system migration – Large-scale GIS migrations
  • Data migration – Spatial & attribute data conversion
  • Workflow translation – GWF4 → VWF5
  • API modernization – JavaScript 3.x → 4.x
  • Template development – Reusable frameworks

Essential Project Experience

  • Migration of 15+ enterprise GIS apps in a single project
  • Geocortex → VertiGIS Studio migration projects
  • Municipal/government GIS implementations
  • Utility industry asset management systems
  • Complex workflow migration (50+ custom workflows)

Technical Integration Experience

  • Third-party services integration
  • Database synchronization
  • Email notification systems
  • File/document retrieval systems
  • Reporting system migration
  • Payment processing integration

Required Tools & Libraries

  • ESRI ArcGIS JavaScript API 4.x
  • VertiGIS Studio Developer Tools
  • Visual Studio / .NET Development
  • SQL Server Management Studio
  • Git Version Control
  • ESRI ArcGIS Pro

Minimum Qualifications

  • 8+ years enterprise GIS development
  • 3+ years Geocortex → VertiGIS migration experience
  • Proven JavaScript API 3.x → 4.x migrations
  • Enterprise project leadership experience
  • Bachelor’s degree in GIS, Computer Science, or equivalent

Project Scope Understanding

  • Applications include:
    • Banner Management (permit workflows, approvals)
    • ROW Permits (payment integration, validation)
    • Contractor Mapping (secure access, document retrieval)
    • Community Services (property searches, reporting)
    • Defect Log Management (asset tracking, workflows)
    • Water/Sanitary/Storm Management (incidents, valve tracking)
    • Snow/Street Operations (routing, scheduling)
    • Land Inventory (public portal, hold management)

Critical Success Factors

  • Maintain functional equivalency with Geocortex Essentials 4.15
  • Preserve security standards (ADFS, access control)
  • Maintain SSRS integration & reporting
  • Ensure Utility Network readiness (2026 migration)
  • Create reusable templates for future apps

Preferred Certifications

  • ESRI JavaScript API Developer Certification
  • VertiGIS Studio Developer Certification
  • Microsoft .NET Certifications

Project Timeline

  • Duration: 11–12 months
  • Start Date: Immediate
  • Methodology: Agile (staged migrations)

Application Requirements

  1. Portfolio of similar migration projects with before/after examples
  2. Technical documentation of previous Geocortex migrations
  3. Client references from enterprise GIS migration projects
  4. Detailed timeline & methodology for this project
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