Highlights
They will build and maintain powerful web applications using our modern tech stack: NET Core C#, Web API, Angular 16+, Entity Framework, and SQL Server. They will work collaboratively with other developers, QA engineers, and business analysts in our fast-paced Agile environment to deliver software solutions.
Numbers & Facts
| Location | Washington, DC |
| Industry | Staffing/Employment Agencies |
| Company Size | 2,500 to 4,999 employees |
| Website | https://systemone.com |
Description
Senior Full Stack .Net Applications Developer
Washington, DC – 100% Onsite
Per Federal contract U.S. citizenship is required
Must be able to obtain Public Trust clearance
W2 or C2C
Seeking an experienced Full Stack Sr Application Developer to join our development team. They will build and maintain powerful web applications using our modern tech stack: .NET Core C#, Web API, Angular 16+, Entity Framework, and SQL Server. In this role, they will contribute across the entire application lifecycle - from database design to front-end implementation. They will work collaboratively with other developers, QA engineers, and business analysts in our fast-paced Agile environment to deliver software solutions.
Technical Skills:
• Design and develop components across the full technology stack
• Create and maintain database schemas, stored procedures, and efficient SQL queries
• Implement secure, scalable RESTful APIs and service integrations
• Build responsive, intuitive user interfaces using Angular
• Write clean, well-tested, maintainable code
• Troubleshoot complex technical issues across the stack
• Participate in code reviews, testing, and deployment activities
• Collaborate with cross-functional teams to meet project requirements
• Follow CI/CD processes using Git, GitLab and related tools
Required Skills & Experience:
• 7+ years of experience with .NET C# development, including web applications
• Strong proficiency with our core stack:
• .NET 8 framework and ASP.NET Core Web API
• Entity Framework Core
• SQL Server
• Angular 16 and later
• Experience with Git-based version control systems
• Strong problem-solving and analytical skills
• Self-motivated with ability to manage multiple projects
• Quick learner adaptable to new technologies
• Experience working in Agile development teams
Preferred Qualifications:
• Microservices architecture experience
• Containerization knowledge (Docker, Kubernetes)
• Cloud platform implementation experience
• Unit testing frameworks expertise
#M1
#LI-VH1
Ref: #851-Rockville-S1
Washington, DC – 100% Onsite
Per Federal contract U.S. citizenship is required
Must be able to obtain Public Trust clearance
W2 or C2C
Seeking an experienced Full Stack Sr Application Developer to join our development team. They will build and maintain powerful web applications using our modern tech stack: .NET Core C#, Web API, Angular 16+, Entity Framework, and SQL Server. In this role, they will contribute across the entire application lifecycle - from database design to front-end implementation. They will work collaboratively with other developers, QA engineers, and business analysts in our fast-paced Agile environment to deliver software solutions.
Technical Skills:
• Design and develop components across the full technology stack
• Create and maintain database schemas, stored procedures, and efficient SQL queries
• Implement secure, scalable RESTful APIs and service integrations
• Build responsive, intuitive user interfaces using Angular
• Write clean, well-tested, maintainable code
• Troubleshoot complex technical issues across the stack
• Participate in code reviews, testing, and deployment activities
• Collaborate with cross-functional teams to meet project requirements
• Follow CI/CD processes using Git, GitLab and related tools
Required Skills & Experience:
• 7+ years of experience with .NET C# development, including web applications
• Strong proficiency with our core stack:
• .NET 8 framework and ASP.NET Core Web API
• Entity Framework Core
• SQL Server
• Angular 16 and later
• Experience with Git-based version control systems
• Strong problem-solving and analytical skills
• Self-motivated with ability to manage multiple projects
• Quick learner adaptable to new technologies
• Experience working in Agile development teams
Preferred Qualifications:
• Microservices architecture experience
• Containerization knowledge (Docker, Kubernetes)
• Cloud platform implementation experience
• Unit testing frameworks expertise
#M1
#LI-VH1
Ref: #851-Rockville-S1
About Company
Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives.
Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.