Frontend/Backend Developer (Must have Drupal Experience)

Location: Remote (U.S. – Washington, DC Metro Area preferred)
Clearance: Eligibility to obtain a U.S. Government security clearance (U.S. Citizenship required)

Job Description:

Viderity is seeking a skilled Frontend/Backend Developer to build and support a secure, user-friendly federal web portal (e.g., the Applicant Portal). This full-time role involves developing both client-facing interfaces and backend infrastructure, ensuring a seamless experience for users across the system.

This role is aligned with the Senior Software Engineer I category under the Mathematica GSA MAS Labor Categories, which includes responsibilities such as software design, coding, debugging, and leading smaller development teams.

Key Responsibilities:

Frontend:

• Build and maintain responsive, accessible web portals (508 compliant).

• Implement clean and intuitive UI/UX using modern frameworks.

• Develop role-based access control (RBAC) for multi-user environments.

• Participate in UI/UX reviews and peer code reviews.

Backend:

• Design and maintain RESTful APIs and integration workflows.

• Manage metadata ingestion pipelines, user authentication, and logic layers.

• Implement database interactions and secure data transactions.

• Maintain continuous deployment/integration pipelines.

Required::

• Build and maintain features within Drupal CMS, including custom fields, theming, templates, and backend logic.

• Develop responsive, accessible user interfaces aligned with the U.S. Web Design System (USWDS).

• Implement backend services and integrations using PHP, JavaScript, and modern frameworks (React, Angular, Node.js).

• Support API development and integration with Drupal’s Webforms and RESTful services.

• Perform unit and integration testing to ensure system quality and compliance.

Minimum Qualifications:

• Bachelor’s degree in Computer Science or related field.

• 5 years of relevant software development experience.

• Equivalent substitutions accepted per GSA guidelines.

Preferred Skills:

• React, Angular, or Vue for frontend development.

• Node.js, Python, or Java for backend APIs.

• Experience with PostgreSQL, Oracle, or similar RDBMS.

• Familiarity with CI/CD tools, Docker, and cloud platforms (AWS/Azure).

• Strong understanding of security, compliance (e.g., FedRAMP, 508), and performance optimization.

• Drupal development experience (i.e., knows Drupal architecture and how to create Drupal modules, ideally in Drupal 9). 

Why Viderity:

At Viderity, you’ll join a mission-driven team supporting innovative federal programs. We empower developers with modern tools, clear processes, and a culture of collaboration. Come build meaningful systems that make an impact.