C# Jobs in Reston, VA

The Work: ICF is looking for an enthusiastic Senior Software Engineer to join our team and help put quality API development at the heart of what we do. Your expertise toward developing an API product that empowers millions of healthcare enrollees to own their medical data.Job Location: This position...

*We are open to supporting 100% remote work anywhere within the US*ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are passionate about bui...

Playing an essential role in the U.S. economy Fannie Mae is foundational to housing finance. Here your expertise can help fuel purpose-driven innovation that expands access to homeownership and affordable rental housing across the country. Join Fannie Mae to grow your career and help people find a p...

Position: Sr. Business Change Manager Location: Reston VA #HYBRID Duration: 3 months #C2H Interviews: 1st Virtual / 2nd In-Person Rate: $60/hr Job Description: Responsible for supporting corporate and client initiatives by incorporating the principles and practices of strategy and organizational c...

Application close date:Applications will be accepted on an ongoing basis until the requisition is closed.At Blue Origin we envision millions of people living and working in space for the benefit of Earth. Were working to develop reusable safe and low-cost space vehicles and systems within a culture...

Red Rock Government Services is a leading software engineering company recognized for its exceptional support to the intelligence community. With a proven track record of delivering innovative and mission-critical solutions Red Rock specializes in developing secure scalable and cutting-edge technolo...

Software Engineer Rapid Cycle Solutions LLC (RCS) is an innovative small business providing IT and management consulting services to the U.S. Federal Government and commercial clients. We have unique strengths in complex cross-organizational solution analysis design development implementation and ch...

Microsoft Application DeveloperLocation: US RemoteReady to make a differenceICF is seeking a Microsoft Application Developer to meet the needs of our utility this role you will work with project managers technical architects and clients to help design develop and maintain products supporting our en...

Microsoft Application DeveloperLocation: US RemoteReady to make a differenceICF is seeking a Microsoft Application Developer to meet the needs of our utility this role you will work with project managers technical architects and clients to help design develop and maintain products supporting our en...

NS2 Mission is seeking a Software Engineerthat operates global infrastructure and software platforms that power high-impact mission outcomes. Were looking for a Software Engineer in Reston VA with strong full-stack and cloud engineering skills who wants to design build and operate modern application...

DescriptionGRVTY is seeking a Software Engineer with a TS/SCI Poly clearance (applicable to this customer) to join one of our top projects in Reston VA. Below is an overview of the project as well as information on our company and our benefits.THE PROGRAMWe are a member of 100% of the winning teams...

The Team Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for success and then make it happen. We know success doesnt happen by accident. It takes the right team of people working together on the right solutions for the customer. We are looking for...

The Team Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for success and then make it happen. We know success doesnt happen by accident. It takes the right team of people working together on the right solutions for the customer. We are looking for...

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your app...

Organizational Change Manager Business Transformation OfficeICF is seeking an experienced Organizational Change Manager to join our Business Transformation Office (BTO) a central team driving strategic corporate initiatives across the this role you will partner with operational technical and func...

Organizational Change Manager Business Transformation OfficeICF is seeking an experienced Organizational Change Manager to join our Business Transformation Office (BTO) a central team driving strategic corporate initiatives across the this role you will partner with operational technical and func...

Software Engineer - Job DescriptionClearanceActive TS/SCI with Polygraph (required)SummaryRed Arch is seeking a highly experienced Principal Software Engineer with full lifecycle development expertise strong backend engineering skills and hands-on experience in modern cloud and containerized environ...

Position: Full Stack/Application Developer Location: Reston VA (3 days a week onsite) Description: Application Developer performs high complexity (i.e. system level applications) analysis design development and unit testing of software applications from user requirements and design documents. The...

Are you an experienced Programmer with a passion for the financial services industry We have an exciting opportunity for you to contribute to the development and maintenance of our software systems including the Symitar core system.Key Responsibilities:Analyze design and maintain software applicatio...

Application close date:Applications will be accepted on an ongoing basis until the requisition is closed.At Blue Origin we envision millions of people living and working in space for the benefit of Earth. Were working to develop reusable safe and low-cost space vehicles and systems within a culture...