6d
Save
Mark Applied
Hide
Senior .NET Developer
Crum Lynne or Chicago or Reston or Boca Raton
$90k-$150k/yr RemoteFull Time
5+ YOE5+ years building enterprise .NET applications, strong architecture and database skills, Agile experience, cloud and CI/CD familiarity, Bachelor's degree or equivalent experience.
C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, .NET Core, .NET 5, .NET 6, Microsoft Visual Studio, SQL Server, PostgreSQL, AWS, Autofac, Ninject, Unity, CI/CD
3d
Save
Mark Applied
Hide
Senior Full Stack .Net Developer
Flexwork or Virginia
RemoteFull Time
10+ YOEBachelor's in computer science, 10+ years software development, US citizenship for Public Trust, expertise in .NET Core, Angular, Razor, Azure, REST/SOAP, MS SQL, OAuth2/OpenID Connect/JWT, Azure DevOps, and scripting (bash, python, PowerShell).
Microsoft .NET, .Net Core, Angular, Razor, OAuth 2.0, OpenID Connect, JWT, REST, SOAP, XML, JSON, Azure Services, MS SQL Server, Azure DevOps, GIT, Visual Studio, bash, python, PowerShell, CI/CD
3w
Save
Mark Applied
Hide
.Net Full-Stack Developer, Senior
Chantilly or Washington
$145k-$151k/yr OnsiteFull Time
8+ YOEBachelor's in IT or related, 8+ years professional software development, Top Secret clearance required, experience with enterprise applications, API integration, SDLC, automation, and mentoring; strong communication skills.
.NET, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Adobe Acrobat, CI/CD, DevSecOps
2mo
Save
Mark Applied
Hide
.NET and Azure Architect
Herndon, Virginia, United States
RemoteFull Time
8+ YOE8+ years in full-stack development; expert .NET/C#, SQL Server; frontend with Angular/Blazor/React; RESTful APIs security; Azure; third-party integrations; mentoring; Agile Scrum; strong communication.
.NET, C#, SQL Server, Angular, Blazor, React, JWT, OAuth, Azure, REST APIs
2w
Save
Mark Applied
Hide
Sr Cloud Developer
Chantilly, Virginia, United States
OnsiteFull Time
8+ YOEBachelor's degree, 8+ years software development, active Top Secret clearance with SCI eligibility and CI polygraph, experience with cloud architectures, DevSecOps, Terraform, Docker/Kubernetes, and government cloud security.
AWS GovCloud, SC2S, C2S, Terraform, Docker, Kubernetes, Python, .NET, C#, Elasticsearch, Splunk, Lambda, S3, RDS, DynamoDB, VPC, CI/CD, SAFe Agile, API Gateway
2w
Save
Mark Applied
Hide
Sr. Lead Engineer, PowerFAIDS
United States or Reston or New York City
$185k-$200k/yr RemoteFull Time
10+ YOE10+ years production software development with deep C#/.NET and ASP.NET MVC expertise; experience modernizing legacy desktop apps; strong stakeholder partnership, mentoring, and communication skills; US work authorization required.
C#, ASP.NET MVC, .NET Framework, DevExpress MVC Extensions, Autofac, jQuery, SQL Server, xUnit, Moq, Razor, GitHub Copilot, Claude Code, CI/CD
1mo
Save
Mark Applied
Hide
Full Stack Software Developer with C#/.NET Expertise
McLean or Chantilly
$90k-$190k/yr OnsiteFull Time
7+ YOETS/SCI with Polygraph required, Bachelor's in CS or related, 7+ years developing in high-side environments; expert in C#, .NET, AngularJS, TypeScript, Node.js, JavaScript, HTML/CSS; strong communication and problem-solving.
C#, .NET, AngularJS, TypeScript, JavaScript, HTML, CSS, Angular Material, Node.js
1mo
Save
Mark Applied
Hide
Full Stack Software Developer with C#/.NET Expertise
McLean or Chantilly
$90k-$190k/yr OnsiteFull Time
7+ YOETS/SCI with Polygraph required; Bachelor's in Computer Science or related; 7+ years developing/deploying software in high-side environments; expert in C#, .NET, JavaScript, Angular JS, TypeScript, Node.js; strong problem-solving and customer communication.
C#, .NET, Angular JS, TypeScript, JavaScript, HTML, CSS, Angular Material UI components, Node.js
1mo
Save
Mark Applied
Hide
Sr Software Engineer - Architecture (Herndon, VA, US, 20171)
Herndon, Virginia, United States
HybridFull Time
5+ YOEBachelor's in relevant engineering/CS and 5+ years software engineering experience; expertise in OOP, web/REST services, Java/C#, .NET, Spring/Hibernate, SQL databases; 2 years utility domain experience preferred.
Windows, Linux, Unix, Spring, Hibernate, .NET, Microsoft SQL Server, MySQL, Java, C#, JDBC, REST, SOA, MVC, GUI frameworks
2mo
Save
Mark Applied
Hide
Software Developer
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph or ability to obtain; 5+ years software development; .NET, HTML, C#; DevOps tools; SQL Server; JavaScript; CSS; cross-browser code; strong teamwork and communication.
.NET, HTML, C#, JavaScript, Git, Azure DevOps, SQL Server, CSS
1w
Save
Mark Applied
Hide
Senior Software Developer
Reston, Virginia, United States
OnsiteFull Time
5+ YOE5+ years application development experience, bachelor\u0002s or equivalent, strong C#/.NET and SQL skills, LOS and mortgage domain knowledge, integrations and reporting experience, project leadership and documentation skills.
Integra EPIC LOS, C#, .NET, Python, R, PowerShell, JavaScript, VB.NET, Microsoft SQL Server, T-SQL, XML, JSON, Microsoft Power BI, SSRS, Crystal Reports, SSIS, Azure SQL, Synapse, Snowflake, REST, SOAP, OAuth, TLS, Git, Microsoft Azure DevOps, GitHub, Bitbucket, Azure DevOps Boards, Jira, Microsoft SharePoint, Confluence, Microsoft Teams, Microsoft Power Automate, Microsoft Power Apps
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Reston, Virginia, United States
OnsiteFull Time
5+ YOE5+ years in software development; Dynamics 365 CRM; .NET, C#, SQL; Azure; strong teamwork and problem-solving.
Microsoft Dynamics 365 CRM, NET, C#, SQL, Azure, REST APIs
3mo
Save
Mark Applied
Hide
Senior Full Stack Developer
Chantilly, Virginia, United States
OnsiteFull Time
TS/SCI clearance with polygraph; Bachelor's in CS/Engineering or related field; strong full stack development experience; React/Angular/Node.js/.NET; API development; SDLC/Agile; strong communication.
React, Angular, Node.js, .NET, Java, RESTful APIs, Microservices
2w
Save
Mark Applied
Hide
Lead Power Platform Developer
Reston, Virginia, United States
$135k-$200k/yr HybridFull Time
10+ YOE10+ years of Dynamics 365 and Power Platform experience, hands-on development in Java/Python/.NET, Dynamics 365 certification preferred, strong project leadership and communication skills.
Microsoft Dynamics 365, Microsoft Power Platform, CCaaS, Omnichannel, Java, .NET, Python, Salesforce
3mo
Save
Mark Applied
Hide
Principal Application Engineer
Frederick, Maryland, United States
$145k-$199k/yr RemoteFull Time
10+ YOE10+ years in software design/development; backend services; strong C#/.NET; distributed systems; DevOps; cloud (Azure); agile; leadership potential.
C#, NET, SQL, Entity Framework, HTML, CSS, TypeScript, JavaScript, Jira, Confluence, Git, Docker, Kubernetes, Azure, AWS, GCP
3mo
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
1w
Save
Mark Applied
Hide
Senior Full-Stack Developer
Reston, Virginia, United States
OnsiteFull Time
7+ YOE7+ years building full-stack apps with modern JavaScript/TypeScript front ends, a mainstream backend (Node.js, Python, Java, .NET), relational databases, system integrations, secure development, and offline-resilient designs.
JavaScript, TypeScript, Node.js, Python, Java, .NET, ASYCUDA, SYDONIA, ETL, ELT, CI/CD
2mo
Save
Mark Applied
Hide
Senior Software Developer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOETop Secret/SCI with Poly, 6+ years in software development, BS in CS/Info Security or related field, proficient in .NET/C#/WPF/XAML/C++, ASP.NET Web API, HTML/CSS, Python, PowerShell; Windows apps/services/web services on IIS; AWS/Azure; GitHub/Jira/Jenkins/Confluence; STS/DataHound; PowerBI; Windows admin/troubleshooting; SDLC and IIS deployments.
.NET, C#, WPF/XAML, C++, ASP.NET Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service, DataHound, PowerBI
3mo
Save
Mark Applied
Hide
Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI clearance; senior software engineering experience; .NET Core; cloud-first modernization; Agile development
NET Core, C#, JavaScript, TypeScript, Angular, Python
1d
Save
Mark Applied
Hide
Software Engineer
Reston, Virginia, United States
$130k-$145k/yr OnsiteFull Time
5+ YOE5+ years building and supporting enterprise applications with Dynamics 365 CRM, .NET/C#, SQL, and Azure; strong integration, troubleshooting, and communication skills.
Microsoft Dynamics 365 CRM, .NET, C#, SQL, Azure Functions, App Services, API Management, Service Bus, Logic Apps, Key Vault, Azure SQL