Senior CMS Fullstack Engineer

Open Positions At Coalmarch
Levittown, PA

Role Description

This is a full-time remote role for a Full-Stack Drupal Developer. The developer will be responsible for both front-end and back-end development tasks. We're seeking an experienced Senior Drupal Full-Stack Engineer to join our development team. In this role, you'll architect, build, and maintain complex Drupal multi-site installations while mentoring junior developers and driving technical excellence across our projects.

Key Responsibilities

  • Design and develop custom Drupal modules, themes, and integrations using Drupal 10/11
  • Architect and maintain complex Drupal multi-site installations with shared codebases and site-specific configurations
  • Configure and optimize Nginx for multi-site environments including virtual hosts, SSL/TLS, caching, and load balancing
  • Implement and maintain Redis for caching, session storage, and queue management across multi-site installations
  • Build scalable, maintainable full-stack solutions leveraging Drupal's API and modern PHP practices
  • Develop and integrate RESTful APIs and headless/decoupled Drupal architectures
  • Optimize application performance, security, and scalability across multiple site instances

Technical Leadership

  • Lead technical planning and architecture decisions for complex multi-site projects
  • Conduct code reviews and establish development best practices
  • Mentor junior and mid-level developers on Drupal development patterns and multi-site strategies
  • Collaborate with cross-functional teams including designers, project managers, and stakeholders
  • Evaluate and recommend new tools, modules, and technologies

## Required Qualifications

  • 5+ years of professional web development experience with 3+ years focused on Drupal
  • Proficient knowledge of Drupal 10/11 architecture, APIs, and best practices
  • Experience with Drupal multi-site architecture including shared tables, site-specific configurations, and domain management**
  • Proficiency with Nginx configuration, optimization, and troubleshooting in multi-site environments**
  • Knowledge of Redis for caching, session management, and performance optimization in Drupal**
  • Strong proficiency in PHP 8+, MySQL/PostgreSQL, and object-oriented programming
  • Solid front-end skills: JavaScript (ES6+), CSS/Sass, HTML5, and at least one modern framework (React, Vue, or Angular)
  • Experience with Composer, Drush, and Drupal Console
  • Proficiency with Git version control and collaborative development workflows
  • Understanding of web security best practices and OWASP guidelines
  • Experience with Linux/Unix environments and command-line tools

Technical Environment

  • Drupal 9/10/11, PHP 8+, MySQL/PostgreSQL
  • Nginx, Redis
  • JavaScript, React/Vue, Node.js
  • Git, Docker, Jenkins/GitLab CI
  • Linux, Composer, Drush, PHPUnit
Posted 2026-02-10

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