PHP with ArcGIS

Overview / Summary We are seeking a Frontend PHP Developer to design and develop responsive, accessible public-facing portal user interfaces for data exploration and visualization. The role involves building interactive UI components, integrating visualizations, consuming RESTful APIs, ensuring accessibility compliance, and collaborating within an Agile delivery environment. Key Responsibilities • Design and develop responsive, accessible public-facing portal UI for data exploration and visualization. • Implement interactive UI components, including tree navigation, query builder interfaces, filter panels, and visualization control panels. • Integrate geospatial map visualizations using ArcGIS Maps SDK for JavaScript by consuming REST endpoints. • Build interactive chart visualizations using Chart.js or D3.js for time-series, bar, and multi-series analytical views. • Implement data export functionality supporting multiple file formats and download workflows. • Ensure ADA / Section 508 and WCAG 2.1 AA compliance across all public-facing pages using automated testing tools. • Consume RESTful backend APIs for dynamic data rendering and state management. • Integrate automated accessibility compliance scans as mandatory CI/CD pipeline gates. • Collaborate with backend developers to define API contracts and optimize frontend query performance. • Write unit and integration tests using Jest for frontend components. • Participate in Agile delivery and Agile ceremonies. Required Qualifications • Experience with PHP. • Experience in frontend development. • Experience working in Agile delivery and Agile ceremonies. • Experience consuming RESTful APIs. • Experience with ArcGIS Maps SDK for JavaScript. • Experience with Chart.js or D3.js. • Experience writing unit and integration tests using Jest. • Knowledge of ADA / Section 508 and WCAG 2.1 AA compliance.