Freelance Sr Drupal Developer Jobs (NOW HIRING)

Description

Provides senior-level development, design, testing, enhancement, and maintenance support for enterprise Drupal websites and web applications within a federal technology environment. This role develops and enhances Drupal content types, modules, themes, workflows, navigation, information architecture, and related components to deliver secure, accessible, responsive, and maintainable digital experiences. Works across both front-end and back-end technologies while ensuring solutions support performance, usability, accessibility, and established technical requirements.

Supports the full Drupal solution lifecycle, including requirements analysis, configuration, development, integration, testing, troubleshooting, security remediation, upgrades, and technical documentation. Collaborates with content specialists, analysts, designers, testers, and other technical team members to translate business and user needs into effective Drupal solutions. Helps maintain reliable and secure web applications by resolving defects and vulnerabilities, optimizing system performance, and supporting controlled implementation of enhancements and platform changes.

Key Responsibilities

•  Design, develop, configure, enhance, and maintain Drupal websites, applications, content types, modules, themes, views, workflows, and related components.
•  Develop and customize Drupal modules and configurations to meet functional, technical, and business requirements.
•  Create and maintain menus, navigation structures, information architecture, user roles, permissions, and publishing workflows.
•  Develop and maintain responsive front-end solutions using Twig, HTML5, CSS, JavaScript, and established web-design practices.
•  Support back-end Drupal development, including Drupal APIs, the entity system, MySQL/MariaDB, database interactions, and query optimization.
•  Perform functional and automated testing, troubleshoot defects and integration issues, and optimize Drupal configurations and solutions for quality and performance.
•  Evaluate and remediate accessibility issues and support compliance with applicable accessibility standards and requirements.
•  Perform application maintenance, including security patching, vulnerability remediation, minor and major Drupal upgrades, version control, and preparation of thorough technical documentation.

Requirements

•  Bachelor's degree in a technical discipline, such as Computer Science, Information Technology, Software Engineering, or a related field.
• Minimum of 10 years of senior-level Drupal development experience.
•  Demonstrated experience with Drupal module development and customization, including views, rules, and core/custom configuration.
• Experience with Drupal theming and Twig, along with a strong understanding of web-design principles.
• Strong understanding of Drupal APIs, including Hooks, Services, Events, and related Drupal development concepts.
• Back-end experience with MySQL/MariaDB, query optimization, and Drupal's entity system.
• Front-end development experience with HTML5, CSS, JavaScript, and responsive design.
• Experience with Git, GitHub, or comparable version-control tools and repositories, along with an understanding of Agile and DevSecOps practices.
• Experience working effectively as part of multidisciplinary project teams, with strong communication, organization, and problem-solving skills.
•  Must be a U.S. Citizen and have the ability to obtain and maintain a NACI or higher-level investigation/clearance. 

Preferred

• Knowledge of Section 508, WCAG, and other web accessibility and compliance requirements.
• Experience with PHP and modern Drupal development practices.
• Experience using Composer for Drupal dependency and package management.
• Experience integrating Drupal with APIs, authentication services, search platforms, analytics tools, databases, or other enterprise systems.
• Experience supporting Drupal solutions in federal government or other large, compliance-driven enterprise environments.

This position is contingent upon contract award. HeiTech Services is proactively identifying qualified candidates in anticipation of a potential federal contract award. Qualified applicants may be contacted for prescreening and interviews prior to award. Employment is contingent upon successful contract award and completion of all required pre-employment and security requirements. 

HeiTech Services is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, or any other protected status under applicable law.

If you require a reasonable accommodation during the application process, please contact us at HR@HeiTechServices.com.

HeiTech Services may utilize technology-assisted tools, including artificial intelligence, to support the review of application materials. These tools are used to enhance efficiency; however, all hiring decisions are made by human reviewers in accordance with federal hiring guidelines.