5d
Save
Mark Applied
Hide
Full-Stack Developer
Leesburg, Virginia, United States
OnsiteFull Time
3+ YOEBachelor's degree in CS/IT, 3–5 years full-stack development experience, proficiency in C#, .NET, Microsoft SQL Server, HTML5/CSS3/JavaScript, Git; experience with Rock RMS, REST APIs and on-premise hosting preferred.
Rock RMS, C#, .NET, Microsoft SQL Server, HTML5, CSS3, JavaScript, Git, REST APIs, Proxmox, CEPH
2mo
Save
Mark Applied
Hide
Software Developer - SME
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
16+ YOEBachelor's in CS or related field, 16+ years software development experience, proficiency with C#, .NET, JavaScript, jQuery, HTML, CSS, SQL, Git, experience interfacing with Microsoft Exchange and SharePoint, strong secure coding and API integration skills, Top Secret/SCI eligibility.
C#, .NET, JavaScript, jQuery, HTML, CSS, SQL, Git, Microsoft Exchange, Microsoft SharePoint, MVC
2mo
Save
Mark Applied
Hide
Software Developer, Senior
Herndon, Virginia, United States
$133k-$226k/yr OnsiteFull Time
6+ YOEU.S. person required and must be able to obtain Top Secret/SCI with polygraph. Minimum 6 years software development experience; Bachelor's in CS/Information Security or equivalent. Proficiency with .NET (C#, WPF/XAML, C++), ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS/Azure, GitHub, Jira, Jenkins, Confluence, and Microsoft PowerBI.
.NET, C#, WPF/XAML, C++, ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service (STS), DataHound, Microsoft PowerBI
1mo
Save
Mark Applied
Hide
IT Software Application Developer II (79634)
Sterling, Virginia, United States
OnsiteFull Time
10+ YOEBachelor's in CS or related (or equivalent experience), 10+ years full-stack web development, hands-on Java and .NET (ASP.NET MVC/Web API), Spring Boot, Microsoft Azure, Angular, HL7/FHIR/EHR integrations, SQL, Git/SVN, CI/CD.
Java, .NET, ASP.NET MVC, Web API, Spring Boot, Microsoft Azure, Microsoft Azure DevOps, Angular, HL7, FHIR, EHR, SQL, Microsoft SQL Server, PostgreSQL, SVN, Git, GitHub, Jenkins, CI/CD, Power BI, Pentaho, Microservices
2w
Save
Mark Applied
Hide
Robotic Process Automation Engineer
Ashburn, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years software development experience, UiPath or Power Automate expertise, scripting in .NET/C#/VB.NET/JavaScript/Python, SQL, experience with microservices and cloud platforms; Public Trust required.
UiPath, Orchestrator, Action Center, Document Understanding, Power Automate, AI Builder, .NET, C#, VB.NET, JavaScript, React, Python, SQL, AWS, Azure, Google Cloud Platform, Microsoft SharePoint, Microsoft Products, Microsoft Windows Server, Microsoft SQL Server
3mo
Save
Mark Applied
Hide
Full Stack Senior Software Engineer
Reston, Virginia, United States
OnsiteFull Time
5+ YOE5+ years in software development; strong full-stack experience with Microsoft stack (.NET, C#, SQL, Azure); design and build enterprise-grade applications; integrate data APIs and pipelines; collaborate with product and data teams; experience with AI/ML integration a plus.
.NET, C#, SQL, Azure, APIs, Data pipelines, Microsoft Dynamics 365, Power Platform
2w
Save
Mark Applied
Hide
Software Engineer
Chantilly, Virginia, United States
$100k-$120k/yr HybridFull Time
Active TS/SCI FSP clearance required; demonstrated enterprise software experience; hands-on with Microsoft .NET Core; desired experience with JavaScript/TypeScript, Angular, C#, Java, and Python.
Microsoft .NET Core, JavaScript, TypeScript, Angular, C#, Java, Python
2mo
Save
Mark Applied
Hide
Software Engineer
Herndon, Virginia, United States
$77k-$152k/yr OnsiteFull Time
Requires US citizenship and Top Secret/TS-SCI clearance eligibility, Security+ certification to start, Bachelor's in a related discipline (or equivalent), experience with TypeScript/Angular/Java/Python and Red Hat Linux/Postgres/AWS/Apache, and agile/SAFe experience.
TypeScript, Angular, Angular.JS, JavaScript, Java, Python, C, C++, C#, XML, Microsoft Windows, .NET, Red Hat Linux, Postgres, AWS, Apache, RxJS, Git, Docker, Scaled Agile Framework (SAFe)
3w
Save
Mark Applied
Hide
DevSecOps Engineer
Reston, Virginia, United States
OnsiteFull Time
Bachelor's in an IT field (May/Dec 2026 grads acceptable), U.S. citizenship, able to obtain Public Trust (NACI). Preferred: Python, Java, JavaScript, Bash, Microsoft .NET/M365/Azure, AWS, Linux (CentOS/Red Hat).
Python, Java, JavaScript, Bash shell scripting, Microsoft .NET, Microsoft Azure, Microsoft M365, Amazon AWS, Linux OS (CentOS/Red Hat), SharePoint, O365
4d
Save
Mark Applied
Hide
Data Analytics Engineer
Manassas, Virginia, United States
$92k-$132k/yr OnsiteFull Time
5+ YOE5+ years in data analytics/engineering, 3+ years with enterprise ETL/reporting. Strong ETL (SSIS, Pentaho, Python), SQL, Power BI/Tableau, Microsoft Fabric knowledge and bachelor's degree required.
SSIS, Pentaho, Python, SQL, Power BI, Tableau, Crystal Reports, Report Builder, Microsoft Fabric, Microsoft Data Factory, Lakehouse, Microsoft Synapse, .NET, C++, Java, JavaScript, HTML/CSS, Bash, Shell, PowerShell, REST, SOAP
1w
Save
Mark Applied
Hide
Senior IT Development Lead
Chantilly or United States
HybridFull Time
8+ YOEBachelor's degree and 8+ years software development experience with Microsoft stack; leadership experience; Azure, C#, .NET, ASP.NET, CI/CD, Agile; strong communication and problem-solving.
C#, .NET Framework, .NET 6/8+, ASP.NET, RESTful APIs, Microsoft Azure, Azure DevOps, Git, ARM templates, Terraform, Blazor
1w
Save
Mark Applied
Hide
Senior IT Development Lead – Corporate Systems
Chantilly or United States
HybridFull Time
8+ YOEBachelor's in CS/IT or related,8+ years software development experience on Microsoft stack,leadership experience,Azure,C#, .NET,ASP.NET,Azure DevOps,Git,Agile,CI/CD and production support skills.
C#, .NET Framework, .NET 6, .NET 8, ASP.NET, RESTful APIs, Microsoft Azure, Azure DevOps, Git, Blazor, ARM templates, Terraform