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Senior GIS Migration Developer

Weekday AIIN

18 days ago

Job type

Remote

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Job description

This role is for one of Weekday’s clients

Min Experience : 5 years

Location : Remote (India), India

JobType : full-time

Requirements

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

Portfolio of similar migration projects with before / after examples

Technical documentation of previous Geocortex migrations

Client references from enterprise GIS migration projects

Detailed timeline & methodology for this project

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