Front End PHP Developer

Delan Associates, Inc.; United States; On-site; USD 55,000 - 83,000; Part time

Job summary

Delan Associates, Inc. is seeking a Frontend PHP Developer to design and develop responsive, accessible public-facing portal UIs for data exploration and visualization.

You will integrate ArcGIS Maps SDK for JavaScript, Chart.js or D3.js, consume REST endpoints, implement ADA/WCAG 2.1 AA compliance, and write Jest tests in an Agile delivery environment.

This short-term, remote role supports a Mountain Time zone overlap; immediate joiner preferred.

Qualifications

• Strong PHP experience and frontend development skills.
• Experience delivering in Agile environments.
• Experience consuming RESTful APIs.
• Experience with ArcGIS Maps SDK for JavaScript.
• Experience with Chart.js or D3.js.
• Experience writing unit/integration tests using Jest.
• Knowledge of ADA/Section 508 and WCAG 2.1 AA compliance.

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 visualizations using ArcGIS Maps SDK for JavaScript by consuming REST endpoints.
• Build interactive charts with Chart.js or D3.js for time-series and multi-series analytical views.
• Implement data export functionality and download workflows.
• Ensure ADA / Section 508 and WCAG 2.1 AA compliance across public-facing pages with automated testing.
• Consume RESTful backend APIs for dynamic data rendering and state management.
• Collaborate with backend developers to define API contracts and optimize frontend performance.
• Write Jest tests for frontend components.
• Participate in Agile ceremonies and deliveries.

Skills

PHP

Frontend development

Agile delivery

REST APIs

ADA accessibility

Tools

ArcGIS Maps SDK for JavaScript

Chart.js

D3.js

Jest

Job description

Notes from HM: Prioritize candidates with strong frontend development experience, PHP, and Agile delivery experience. Focus on candidates with REST API integration, ArcGIS Maps SDK for JavaScript, Chart.js or D3.js, Jest testing, and accessibility compliance (ADA/Section 508/WCAG 2.1 AA). Short term project deliverable. Need someone strong in PHP that can work on front end development. Good initiative, good team player and communicator to work alongside the current Front End Developer that needs help to divide the work so deliverable deadlines can be met. Will be ideal if they have prior experience working on healthcare related development so they are away of Hippa and additional security protocols but not required. Would be ideal if they have worked on Government/Public sector but a nice to have. not required. Can work remotely from home from any state as long as they commit to work Mountain time zone. Need an immediate joiner for this short term project.

Job Description: 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.

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.

Originally posted on Himalayas