Web Developer Master

Position Title & Code: Web Developer Master

Location: Washington DC 20003

Project End Date: 09/30/2026 (With Possible extension to next fiscal year)

Required Technical Skills:

• HTML & Markup:
  • Strong command of semantic HTML5: sectioning elements headings hierarchy lists tables and forms.
  • Solid grasp of web accessibility (WCAG 2.1 AA): ARIA roles and attributes keyboard navigation focus management alt text and accessible form labeling.
  • Familiarity with structured data and SEO markup: meta tags Open Graph Twitter cards and
  • Understanding of how Drupal renders markup through Twig and the ability to produce clean valid output via template overrides.
• CSS & Styling:
  • Deep working knowledge of modern CSS layout: Flexbox and CSS Grid with sound judgment about when to use each.
  • Proficiency with responsive design: media queries fluid typography container queries and mobile-first methodology.
  • Command of the cascade specificity and inheritance with the ability to debug specificity conflicts rather than reaching for !important
  • Comfort with CSS custom properties (variables) modern color/spacing tokens and maintainable theming patterns.
  • Awareness of cross-browser compatibility vendor prefixing strategy and progressive enhancement.
• Nice to Have:
  • Strong SCSS/SASS skills: nesting mixins functions partials and a disciplined file architecture.
  • A consistent CSS methodology such as BEM and an understanding of how it maps onto Drupals class conventions.
  • Familiarity with CSS transitions transforms and animations used with attention to performance and reduced-motion preferences.
• JavaScript:
  • Solid command of modern JavaScript (ES6): arrow functions destructuring modules promises and async/await.
  • Strong DOM manipulation and event-handling skills including event delegation and performance-conscious listeners.
  • Fluency with the Fetch API and asynchronous data handling including JSON parsing and error handling.
  • Working knowledge of Drupals JavaScript layer: once() Drupal Settings and the AJAX framework
  • Understanding of how to attach and scope JS correctly through the Libraries API rather than inline scripts.
  • Familiarity with debugging via browser DevTools: breakpoints the network panel performance profiling and the console.
• Nice to Have
  • Awareness of frontend performance: deferring/async loading minimizing reflows debouncing/throttling and avoiding render-blocking scripts.
  • Experience with a build/tooling pipeline (Webpack Vite or Gulp) and with linting/formatting (ESLint Prettier Stylelint).
  • Exposure to a modern framework (React/Vue) is a plus particularly for decoupled or partially decoupled Drupal frontends.

Drupal

• Site Administration & Configuration Management:
  • Fluency with the Drupal 9/10/11 admin UI: content types fields vocabularies view modes form/display modes blocks menus URL aliases and redirects.
  • Solid command of Configuration Management workflows: config export/import config split for environment-specific config config ignore for protected config.
  • Strong grasp of user access control: roles permissions content moderation workflows and custom workflow states/transitions.
  • Demonstrated expertise with Views: complex queries contextual filters relationships exposed filters/sorts output rewriting and REST exports.
  • Experience administering the Media Library image styles responsive image styles and crop/focal-point strategies.
  • A clear mental model of what belongs in config vs. content vs. state vs. .
• Theming & Frontend:
  • Strong Twig skills: template suggestions template preprocessing and theme hook implementations.
  • Comfort with the Libraries API: defining JS/CSS managing dependencies and conditional loading.
  • Experience with modern base themes (Olivero/Stable9) and component-based theming.
  • Familiarity with Single Directory Components (SDC) for Drupal 10.3.
  • Solid responsive design fundamentals a disciplined CSS methodology (e.g. BEM) and SCSS/SASS proficiency.
• Multi-Domain / Multi-Site (Nice to Have):
  • Hands-on experience with the Domain Access module: domain entities domain access fields on content/users/blocks and current-domain negotiation.
  • Practical command of the Domain Config module including domain-specific config overrides and override precedence ( > Domain Config UI > base config)
  • A clear understanding of how config overrides cascade and why programmatic overrides in will silently take precedence over UI changes
  • Familiarity with cache contexts and invalidation in a multi-domain context.
  • Experience with domain-aware menu block and pathauto strategies and with cross-domain content sharing vs. domain-restricted content patterns
• Security:
  • Disciplined input sanitization and output escaping (XSS Html URL filters; Twig auto escaping).
  • A reflexive habit of using placeholders to prevent SQL injection and applying access checks on entity queries.
  • Working knowledge of file-upload security CSRF tokens and trusted host patterns.
  • Experience conducting permission audits and reviewing for privilege escalation.
• DevOps Deployment & Tooling:
  • Understanding of Git workflows: feature branches rebase vs. merge conflict resolution and hotfix patterns.
  • Strong Drush proficiency including cache rebuilds config import/export user management.
  • Competence with Composer for project scaffolding patching and autoloader generation.
  • Experience with a local development environment ideally Lando (DDEV/Docksal also welcome).
• Nice to Have:
  • Familiarity with CI/CD pipelines (BLT GitHub Actions or Acquia Pipelines).
  • Hands-on Acquia Cloud experience: environments Cloud Hooks code/database/files workflow and Acquia CLI.
  • Comfort with multi-database configuration and routing.
• Integration & Standards (Nice to Have):
  • Experience building and consuming REST APIs: JSON:API the REST module and custom REST resources.
  • Experience with common third-party integrations: analytics and marketing automation.
• Working Style & Collaboration:
  • The ability to write technical documentation that a non-developer content editor can follow.
  • A methodical diagnostic approach - able to walk through debugging complex issues without guesswork.
  • Good code-review hygiene: readable commits descriptive PRs and openness to feedback.
  • Adherence to Drupal community coding standards (PHPCS with the Drupal and Drupal Practice rulesets).

Responsibilities:

• Performs programming and technical work for website and Internet development.

Minimum Education/Certification Requirements:

• Bachelors degree in IT or related field or equivalent experience.

Skill Assessment: (Please include the years of experience last used and brief description on skills below information is to be submitted along with the resume)