Senior Front-End Drupal Developer

Position: Senior Front-End Drupal Developer

Location: Luxembourg (On-site)

Contract Duration: As soon as possible – October 13, 2026 (Initial 2-month assignment)

Working Hours: Full-time

Position Overview

We are seeking a Senior Front-End Drupal Developer to join the development team building a new e-commerce platform (eShop) dedicated to numismatic products. Built on Drupal 11 / PHP 8.3 and hosted on Pantheon Cloud, the platform integrates with an internal ERP system and features a multi-tiered theme architecture (parent design system + child theme) based on Figma designs.

Operating under the guidance of the Tech Lead, you will be responsible for pixel-perfect front-end integration of Figma designs into Drupal templates, enriching the design system, and ensuring high standards of accessibility, performance, and multilingual compatibility (FR/EN/DE).

Key Responsibilities

• Template Integration & Design System:
  • Integrate Figma designs into Drupal templates (catalog pages, product sheets, checkout tunnel, customer accounts, editorial content).
  • Develop reusable design system components, maintain cross-page visual consistency, and document components.
• Front-End Development & UI Interactions:
  • Implement modern CSS (Tailwind) and vanilla JavaScript for dynamic page interactions, sliders/carousels, galleries, form behaviors, and state displays (loading/error).
  • Build responsive, mobile-first layouts with cross-browser compatibility.
• Accessibility & Performance Optimization:
  • Ensure compliance with WCAG 2.2 accessibility standards, semantic HTML, keyboard navigation, and screen reader compatibility.
  • Optimize front-end performance, image loading, and Core Web Vitals.
• Team Collaboration & Delivery:
  • Collaborate with back-end developers to connect templates with live ERP/catalog data.
  • Participate in code reviews, merge request workflows, and team ceremonies (dailies, sprint reviews).
  • Deliver multilingual-compatible templates (FR/EN/DE) and facilitate knowledge transfer to internal staff.

Qualifications

• Education & Experience:
  • Minimum 5 years of experience in front-end development.
  • Minimum 3 years of hands-on experience in Drupal theming (Drupal 8, 9, 10, or 11).
  • Proven experience integrating Figma (or equivalent design tool) wireframes with pixel-perfect accuracy.
  • Demonstrated track record working with Git in collaborative team settings (merge requests, code reviews, rebasing).
• Language Qualifications:
  • French: Native or bilingual proficiency (primary working language).
  • English: Professional working proficiency (technical documentation).
• Soft Skills & Work Ethic:
  • High attention to detail with a commitment to design fidelity.
  • Strong autonomy, rigor, and security awareness required for regulated institutional environments.
  • Clear communication skills across back-end engineering and UI/UX design streams.

Skills & Competencies

Mandatory Technical Skills (Must-Have)

• Drupal Theming Engine: Advanced proficiency in Twig, preprocess functions, libraries, render arrays, and theme systems.
• Modern CSS & Layouts: CSS architecture, Flexbox, CSS Grid, mobile-first responsive design, and CSS animations.
• JavaScript: Strong Vanilla JavaScript (ES6+) without reliance on external JS frameworks.
• Web Accessibility: WCAG 2.2 standards, HTML5 semantics, keyboard navigation, screen readers.
• Version Control: Git (branching, merge requests, rebase workflows).

Desirable Technical Assets (Nice-to-Have)

• Styling Frameworks & Architecture: Tailwind CSS (v4 preferred) and Drupal Single Directory Components (SDC).
• E-Commerce & Multilingual: Drupal multilingual capabilities (content/config translation) and e-commerce site theming.
• Performance Engineering: Core Web Vitals, lazy loading, Drupal image styles optimization.
• Ecosystem & Environment: Containerized environments, basic Composer skills, and general Drupal back-end awareness.
• Domain Experience: Background in banking, public institution, or highly regulated environments.