.NET Web Developer
Verdantas· Environmental Services· Oct 21, 2026 · 7d ago
Washington DC
In office
Part-time
Senior
$55–$62.50/hr
5+ years exp
Job description
Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose!
At Verdantas, we’re redefining environmental consulting and sustainable engineering through our use of cutting-edge modeling and digital technology and our genuine commitment to people. Our work spans high-growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure.
Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve. We partner with clients to deliver smart, data-driven solutions to complex environmental and infrastructure challenges. We don’t just solve problems; we help shape a more sustainable future.
Join a people-first culture that values your well-being, empowers your growth, and amplifies your impact. At Verdantas, your career goes beyond the expected, and your work helps build a better world.
Ready to shape the future of resilient communities?
AEEC, a Verdantas Company, is seeking a strong .NET Web Developer to support our Federal client in Washington, DC. This position will be part-time, working approximately 30 hours per week based on business needs.
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 $55.00/hr - $62.50/hr, with final compensation determined based on years of experience, qualifications, and licensing status.
Benefits: Flexible Work Environment
401(k) with Company Match
Verdantas strives to develop new ways to increase diversity awareness within our organization. We recruit and reward our employees based on capability and performance — regardless of race, gender, sexual orientation, gender identity or expression, lifestyle, age, educational background, national origin, religion, or physical ability. For us, it is imperative to build balanced teams from all walks of life and we believe that a diverse workforce is a stronger workforce.
Verdantas is an EOE race/color/religion/sex/sexual orientation/gender identity/national origin/disability/vet
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401(K)