Front End Developer, PHP

Location

United States

Posted

1 day ago

Salary

0

Seniority

Senior

Job Description

Front End Developer, PHP

Delan Associates Inc.

• 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.

Job Requirements

  • 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.

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