Senior CMS Fullstack Engineer
Location: Hybrid (United States)
Department: Engineering
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
About the Company
About Coalmarch
Coalmarch is a digital marketing agency that helps field service companies—specifically in the pest control and green industries—generate leads and grow their businesses through our proprietary website platform and data-driven digital strategies. We’re a passionate group of creatives, strategists, and problem-solvers who thrive on helping our clients succeed.
We believe in doing great work with great people. We’re collaborative by nature, growth-minded at our core, and serious about fostering an environment where everyone has a voice—and is empowered to use it. If you’re looking to make an impact, sharpen your skills, and be part of a team that values both results and relationships, this could be the place for you.
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