[Hiring] Senior Full Stack Drupal Engineer @360training

Role Description

We are seeking a highly experienced Senior Full Stack Drupal Engineer with deep expertise in traditional Drupal architecture (custom modules + Twig theming) and complex multisite enterprise environments. The ideal candidate brings 7+ years of Drupal experience, strong backend architecture skills, advanced custom module development, and proven success optimizing high-traffic, multi-brand platforms built on a shared codebase.

This role requires ownership of technical architecture, leadership in peer code reviews, and hands-on performance optimization across multiple sites within a unified Drupal 11 ecosystem. You will design, build, and maintain enterprise-grade Drupal 11 applications across a complex multisite architecture supporting multiple brands and verticals. The position combines backend engineering, frontend theming, and technical leadership while ensuring scalability, security, performance, and maintainability.

Shift Timings: 05:00 PM - 02:00 AM PST (Pakistan Standard Time)

Responsibilities

• Multisite Architecture & Platform Engineering
  • Architect and maintain complex Drupal 11 multisite
  • Manage shared codebases with site-specific overrides
  • Implement configuration strategies (Config Split, Config Ignore, environment overrides)
  • Prevent cross-site configuration conflicts and dependency issues
  • Support deployment workflows across dev, testing, and production environments
• Advanced Custom Module Development
  • Build and maintain enterprise-level custom modules following Drupal 11 best practices
  • Develop custom plugins, services, event subscribers, REST resources, and controllers
  • Implement cron jobs, queue workers, batch operations, and background processes
  • Develop REST/JSON:API integrations with external systems
  • Design complex content models (Content Types, Paragraphs, Taxonomies, Media relationships)
  • Maintain strict adherence to Drupal coding standards and OOP principles
• Frontend Development (Traditional Drupal Theming)
  • Build and maintain custom Twig-based themes
  • Implement preprocess functions, theme hooks, and template overrides
  • Develop responsive, accessible (WCAG-compliant) interfaces using HTML5, SCSS, and JavaScript (ES6+)
  • Optimize asset libraries, aggregation, and lazy loading
  • Improve Core Web Vitals and frontend performance
• Enterprise Performance Optimization
  • Analyze and optimize database queries, entity loading, and Views performance
  • Implement advanced caching strategies
  • Optimize Composer autoloading and module loading performance
  • Conduct performance audits and load testing
  • Reduce server resource consumption across multisite infrastructure
• Peer Code Reviews & Technical Leadership
  • Conduct structured peer code reviews ensuring:
    • Performance efficiency
    • Security compliance
    • Maintainability & reusability
  • Enforce architecture standards and Drupal best practice
  • Identify technical debt and propose refactoring strategies
  • Provide architectural documentation and technical guidance
  • Use AI-assisted review tooling to enhance consistency and coverage
  • Expected to operate with minimal oversight and drive solutions independently.
• DevOps & Deployment
  • Maintain configuration synchronization strategies
  • Apply and maintain custom patches for contrib modules
  • Write and maintain Drush commands for automation
  • Work within Git-based version control and CI/CD pipelines
  • Experience with Apache, Nginx

Qualifications

• 7+ years of Drupal development experience
• Strong hands-on experience with Drupal 9/10/11
• Proven experience managing complex multisite architectures
• Expert-level custom module development
• Strong PHP 8+ (OOP, Symfony components, Dependency Injection)
• Deep knowledge of:
  • Drupal Hooks & Events system
  • Entity API, Form API, Plugin API
  • Configuration Management
  • Caching systems
• Experience with MySQL
• Strong Git workflow experience
• Demonstrated performance optimization expertise
• Hands-on experience with AI-assisted development tools

Preferred Experience

• Enterprise-level Drupal platforms
• High-traffic website optimization
• Drupal Commerce integration
• Automated testing (PHPUnit, Behat, Cypress)
• AI experimentation/implementation in engineering workflows

Technical Skills Summary

• Backend: PHP 8+, Drupal 11, MySQL/PostgreSQL
• Frontend: Twig, HTML5, SCSS, JavaScript (ES6+)
• Architecture: Multisite, Config Management, Performance Optimization
• Tools: Composer, Drush, Git, CI/CD, Copilot

Soft Skills

• Strong architectural thinking and analytical skills
• Ability to mentor and lead technical initiatives
• Excellent written and verbal communication
• Detail-oriented with a focus on scalable solutions
• Comfortable working in Agile/Sprint-based teams