The Senior GIS Developer is responsible for designing, developing, configuring, and supporting enterprise GIS solutions across the Esri ArcGIS platform. This role supports ArcGIS Enterprise, Portal, web applications, and mobile applications, delivering solutions through configuration, automation, integration, and custom development based on business requirements. The position works closely with business, operational, and field teams to deliver scalable and user-focused GIS solutions.

Key Responsibilities

• Design, configure, develop, deploy, and support GIS solutions across ArcGIS Enterprise, Portal, web, and mobile environments.
• Configure and customize applications using ArcGIS Experience Builder, Dashboards, Field Maps, Survey123, and other Esri technologies.
• Develop custom web and mobile GIS capabilities when out-of-the-box functionality does not meet business requirements.
• Develop and support web maps, feature services, map services, hosted layers, forms, offline workflows, and field data collection solutions.
• Build GIS applications and integrations using JavaScript/TypeScript, Python, ArcPy, ArcGIS API for Python, REST APIs, and related technologies.
• Integrate GIS applications and services with enterprise databases, APIs, and business systems.
• Translate business and field requirements into practical GIS solutions, determining when to configure, automate, extend, or custom develop.
• Troubleshoot and optimize enterprise, web, and mobile GIS applications for performance, reliability, security, and usability.
• Develop reusable tools, automation, technical standards, and documentation to support sustainable GIS application development.
• Provide senior technical guidance and collaborate with GIS, IT, business, and field teams throughout the solution lifecycle.

Required Qualifications

• Bachelor's degree in GIS, Geography, Geomatics, Computer Science, Information Technology, or a related field, or equivalent professional experience.
• Strong hands-on experience with the Esri ArcGIS ecosystem, including ArcGIS Enterprise, Portal, ArcGIS Pro, web GIS, and mobile GIS technologies.
• Experience configuring and developing solutions using Experience Builder, Dashboards, Field Maps, Survey123, or similar Esri applications.
• Experience with JavaScript/TypeScript, Python, ArcPy, ArcGIS API for Python, REST APIs, or comparable GIS development technologies.
• Experience developing, publishing, and supporting GIS services, web maps, feature layers, and enterprise GIS applications.
• Experience designing and supporting mobile and offline GIS workflows for field users.
• Strong understanding of enterprise application development, system integration, troubleshooting, and solution lifecycle practices.
• Ability to translate business requirements into scalable and maintainable technical solutions.
• Strong analytical, problem-solving, communication, and collaboration skills.
• Pipeline, energy, utilities, or other asset-intensive industry experience is considered an asset.