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LightFeather

Senior Full-Stack Developer (.NET/Drupal)

LightFeather
United States · Full-time · Not Applicable
LightFeather is seeking a Senior Full-Stack Developer who will lead the development, maintenance, and enhancement of critical web applications and APIs for a federal agency's national registry operations. This role requires expertise in .NET development, Drupal CMS, and API integration, as well as the ability to ensure Section 508 compliance and support mission-critical government web services.

This role provides the opportunity to work on high-impact web applications and APIs that serve the federal financial sector, ensuring secure, accessible, and scalable application solutions.

  • Location: Remote with preference for Silver Spring, MD area candidates
  • Job Type: Full Time
  • Citizenship: U.S. Citizenship Required
  • Clearance Requirement: Public Trust or higher preferred

Key Responsibilities

  • Develop and maintain .NET applications using C# and .NET Framework 4.8 for registry and financial operations.
  • Maintain and upgrade Drupal CMS, including potential re-platforming to Drupal 12.1.
  • Maintain and enhance SOAP and REST APIs supporting state agency integrations and public registry access.
  • Ensure Section 508 compliance across all web applications and implement accessibility best practices.
  • Implement and maintain Login.gov integration with existing SQL authentication systems.
  • Design and develop custom software solutions for registry data processing and financial tracking operations.
  • Create and maintain API documentation, technical specifications, and development project plans.
  • Apply secure coding practices and coordinate application security reviews with federal partners.
  • Monitor and optimize application performance, troubleshoot issues, and implement enhancements.

Required Qualifications

  • U.S. Citizenship required.
  • Public Trust clearance or ability to obtain.
  • Minimum 5+ years of experience in full-stack development with strong focus on .NET and web technologies.
  • Expert-level proficiency in C#, .NET Framework 4.8, PHP, JavaScript, and SQL.
  • Strong experience with Drupal CMS, IIS configuration, HTML5, CSS3, and responsive web design.
  • Proven experience with SOAP and REST API development, documentation, and integration.
  • Understanding of Section 508 accessibility standards and federal web compliance requirements.

Preferred Skills

  • Experience working with federal agencies or government web application projects.
  • Knowledge of AWS services, Redis, and cloud-based application deployment.
  • Familiarity with Python scripting and automation tools.
  • Experience with MS Access integration and macro development.

Why Join LightFeather?

At LightFeather, you're not just taking a job—you're joining a purpose-driven team that delivers innovative, mission-critical solutions to make a real difference. You'll work on diverse, meaningful projects that challenge and inspire you, alongside some of the best minds in the industry.

Key Skills

Ranked by relevance

drupal c javascript responsive python redis html5 cloud sql aws php
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United States

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Posted
Aug 02, 2025
Type
Full-time
Level
Not Applicable
Location
United States
Company
LightFeather

Industries

Software Development

Categories

Design Engineering

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