Job Description: .NET Developer (ArcGIS / GIS Systems)

Role Overview

We are seeking a skilled .NET Developer with ArcGIS expertise to support and enhance a mission-critical Geospatial Planning System (PCCS). The role involves application development, maintenance, GIS integration, and system enhancements across a 3-tier enterprise architecture.

Key Responsibilities

1. Application Development & Enhancement

- Develop and maintain applications using .NET Framework and .NET Core with C# and JavaScript

- Implement system enhancements and new features

- Perform testing, code reviews, and deployments

2. GIS / ArcGIS Integration

- Work with ArcGIS Enterprise, ArcGIS Server, and GIS datasets

- Develop GIS features using ArcGIS JavaScript API and REST services

- Monitor GIS performance and optimize usage

3. System Integration & API Development

- Develop REST APIs and integrate with other enterprise systems

- Work with secure APIs, SFTP, and identity systems

4. Application Maintenance & Support

- Troubleshoot issues, perform root cause analysis, and fix bugs

- Ensure SLA compliance and system availability

- Perform system monitoring and tuning

5. Cloud & Environment Management

- Manage deployments across development, QA, and production environments

- Support cloud-hosted systems with 3-tier architecture

6. Security & Compliance

- Implement security best practices and access control

- Support audits and vulnerability remediation

7. Documentation & Reporting

- Maintain technical documentation and reports

- Provide system training and knowledge sharing

Required Skills & Experience

- .NET (Framework and Core), C#, ASP.NET

- JavaScript, HTML, CSS

- SQL Server

- ArcGIS Enterprise, ArcGIS Pro, ArcGIS REST API

Experience Requirements

- Minimum 5+ years experience in development and support

- Experience in enterprise systems and GIS applications preferred

Work Environment

- Singapore-based role with possible after-hours support requirements