AEEC, a Verdantas Company, is seeking a strong .NET Web Developer to support our Federal client in Washington, DC. As the .NET Web Developer, you will be responsible for designing, developing, testing, and maintaining web-based applications using Microsoft technologies. This role requires strong technical expertise, problem-solving abilities, and the ability to collaborate with cross-functional teams to deliver high-quality software solutions. When joining our team, your expertise will contribute to shaping resilient communities and advancing Verdantas' mission to make the world a better place through science, technology, and collaboration. Named the #1 firm to work for in 2026 & 2025 by Zweig Group, you'll be part of a team that values your impact, supports your growth, and celebrates your success every step of the way. What You'll Do: - Design, develop, test, and maintain web applications using C#, ASP.NET, .NET Core, and related Microsoft technologies - Develop responsive and user-friendly web interfaces using HTML, CSS, JavaScript, and front-end frameworks - Build and maintain RESTful APIs and backend services to support web applications and system integrations - Collaborate with business stakeholders, project managers, and team members to gather requirements and translate them into technical solutions - Troubleshoot, debug, and resolve software defects and performance issues - Optimize application performance, scalability, and security - Write clean, maintainable, and well-documented code following industry best practices - Participate in code reviews and contribute to continuous improvement initiatives. - Manage application deployments and support production environments when needed - Integrate applications with SQL Server databases and third-party systems. - Stay current with emerging technologies and recommend improvements to existing applications and development processes What You Bring: - Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field - 5+ years of experience developing web applications using the Microsoft .NET framework - Strong proficiency in C#, ASP.NET MVC, ASP.NET Core, and .NET technologies - Experience with HTML5, CSS3, JavaScript, jQuery, and modern front-end frameworks - Experience developing and consuming REST APIs and web services - Strong knowledge of Microsoft SQL Server, database design, and query optimization - Experience with source control systems such as Git or Azure DevOps - Understanding of software development lifecycle (SDLC) principles and Agile methodologies - Strong analytical, troubleshooting, and problem-solving skills - Understanding of cybersecurity best practices for web applications is preferred - U.S. Citizenship is required Salary Range: The compensation range for this position is $115,000 - $130,000, with final compensation determined based on years of experience, qualifications, and licensing status. Benefits: - Flexible Work Environment - Paid Parental Leave - Medical - Dental - Vision - Life and AD&D Insurance - Short-Term and Long-Term Disability - 401(k) with Company Match - Paid Time Off + Holidays