2mo
Save
Mark Applied
Hide
Senior Systems Engineer
Vienna, Virginia, United States
OnsiteFull Time
5+ YOEBachelor’s in CS/Math/GIS or STEM; 5+ years in similar role; ArcGIS deployment/admin; Windows/Linux admin; scripting (Python/PowerShell/JavaScript/C#); networks; SQL/RDBMS skills; TS/SCI with SCI eligibility (active)
ArcGIS, ArcGIS Enterprise, ArcGIS Online, PowerShell, Python, JavaScript, C#, SQL, SQL Server, Oracle, PostgreSQL, Windows, Linux
1mo
Save
Mark Applied
Hide
Senior Application Developer
Fairfax, Virginia, United States
$135k-$165k/yr HybridFull Time
12+ YOEActive Secret clearance, 12+ years on large integrated projects (or commensurate experience) with 5+ years Java development; expertise in Java SE/EE, Spring Boot, REST, CI/CD, containerization, and federal security/compliance.
Java, ColdFusion, JavaScript, C#, Java SE/EE, Spring Boot, RESTful services, Maven, Gradle, Git, Jenkins, GitLab CI, Docker, Kubernetes, AWS GovCloud, Microsoft Azure Government
1mo
Save
Mark Applied
Hide
Solution Architect
Washington, District of Columbia, United States
OnsiteFull Time
10+ YOEBachelor in CS; 10+ years senior-level experience in designing/implementing enterprise tech/architecture; 10 years in technical solutions and software development; experience with Angular, C#, .NET, SQL, HTML, Bootstrap, CSS, JavaScript, Less; ability to obtain/maintain public trust.
Angular, C#, DOTNET, SQL, HTML, Bootstrap, CSS, JavaScript, Less
1w
Save
Mark Applied
Hide
AR/VR/XR Visualization Research and Development Engineer
State College or Reston
$127k-$241k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or science, 2+ years relevant experience (5+ for senior), proficiency in C#, Python or Java, XR and visualization development, systems/software engineering, eligibility for US security clearance.
C#, Python, Java, Unity, Unreal, AWS, Azure, Docker, Podman, Kubernetes, Helm, ActiveMQ, DDS, Kafka, PostGRES-PostGIS, TCP, UDP
2w
Save
Mark Applied
Hide
Threat Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
5+ YOEB.S. in science/engineering, 5+ years experience, missile defense or threat characterization experience, proficiency in MATLAB/Python/C/C++/C#/Java, strong communication, must hold interim Secret and obtain TS/SCI; U.S. citizenship required.
MATLAB, Python, C, C++, C#, Java
2w
Save
Mark Applied
Hide
Technical Lead - Solutions Architect
Washington, District of Columbia, United States
$180k-$215k/yr HybridFull Time
10+ YOE5+ MgmtBachelor's degree,10+ years enterprise software experience,5+ years technical leadership; expertise in cloud (Microsoft Azure), application architecture, APIs, modernization, security, and DevSecOps; ability to obtain Tier 2 background investigation.
Python, C#, .NET, React, JavaScript/TypeScript, RESTful APIs, SQL, Microsoft Azure, Azure Government, Azure App Services, Azure Functions, Azure Storage, Azure Key Vault, Azure DevOps, Microsoft 365, SharePoint Online, Power Platform, Power Apps, Power Automate, Power BI, Dataverse, Microsoft Teams, Microsoft SQL Server, PostgreSQL, Git
1w
Save
Mark Applied
Hide
Senior .Net Developer #1824528
Alexandria, Virginia, United States
$135k-$160k/yr OnsiteFull Time
10+ YOEU.S. citizen able to obtain Public Trust, 10+ years experience, advanced C#, .NET, ASP.NET Core, Angular, Microsoft SQL Server, RESTful API and web application development.
C#, .NET Core, .NET 6, ASP.NET Core, Angular, TypeScript, HTML, CSS, JavaScript, Entity Framework, Entity Framework Core, Microsoft SQL Server, Git, Microsoft Azure, Microsoft Azure App Services, Azure Functions, Azure SQL, Microsoft Azure DevOps, GitHub, Docker, Kubernetes, xUnit, NUnit, Jasmine, Karma, Cypress, Jenkins, GitHub Actions
1w
Save
Mark Applied
Hide
Senior .Net Applications Developer
Washington, District of Columbia, United States
HybridFull Time
8+ YOE8+ years .NET application development experience, expertise with .NET Core/.NET 6, C#, Azure/DevOps, databases, web services, security protocols, and leading development teams.
Microsoft C#, .NET Core, Microsoft .NET 6, Microsoft .NET Framework 4.8, Microsoft Azure DevOps, GitHub Actions, Azure App Services, Azure Functions, Azure API Management, Azure Storage, Azure Key Vault, Entity Framework Core (EF Core), SQL Server, Oracle, Cosmos DB, MongoDB, jQuery, AJAX, Telerik Kendo UI, RESTful Web Services, Windows Services, ASP.NET Core, Entra ID (Azure AD), SAML, OAuth 2.0, OpenID Connect, JSON Web Token (JWT), RBAC, Windows Server 2019, Microsoft Visual Studio 2022, Azure Logic Apps, Event Grid, GraphQL
6d
Save
Mark Applied
Hide
Senior .NET Developer
Washington, District of Columbia, United States
HybridFull Time
8+ YOE8+ years building enterprise .NET applications, experience with ASP.NET/.NET Core/.NET 6, C#, MVC/MVVM, Entity Framework, Oracle, REST/SOAP/JSON/XML, Agile; U.S. citizenship and ability to obtain a Position of Trust (public trust) clearance.
ASP.NET, .NET CORE, .NET 6, MVC, MVVM, Entity Framework, Oracle, Azure DevOps, C#, REST, SOAP, JSON, XML
2w
Save
Mark Applied
Hide
Software Engineer (Front-End) / SES
Reston, Virginia, United States
OnsiteFull Time
3+ YOE3–5 years front-end experience with React/Blazor/Flutter, JavaScript/TypeScript, HTML5/CSS3, REST/gRPC API integration, CI/CD familiarity, basic SQL knowledge, and strong problem-solving.
React, Blazor, Flutter, JavaScript, TypeScript, HTML5, CSS3, gRPC, C#, .NET, RESTful APIs, Azure DevOps, Jenkins, DevExpress, SQL Server, MySQL, Docker, Azure, AWS, Kafka, Git, ASP.NET
1w
Save
Mark Applied
Hide
Full Stack Developer
Arlington, Virginia, United States
$100k-$120k/yr HybridFull Time
3+ YOE5+ years full-stack experience with Python/JavaScript/C#/SQL, 3+ years JavaScript, degree in CS or related field, professional web development certification, experience with Azure/AWS, APIs, databases, and message brokers.
JavaScript, Python, SQL, C#, HTML, CSS, Typescript, jQuery, Angular, React, Node.js, Flask, Django, MySQL, Teradata, Apache, REST, gRPC, Azure, AWS, Kafka, EventHub, Azure DevOps, GitHub, Websockets, Databricks
1w
Save
Mark Applied
Hide
API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yr HybridFull Time
5+ YOEUS citizen able to obtain Public Trust,5+ years in data engineering/integration, proficiency in Python, Java/JS, .NET (C#), RESTful APIs, XML, SQL/SQL Server, GCP, data formats (JSON, Parquet), and experience leading technical teams.
Python, Java, JS, C#, .NET, RESTful API, XML, SQL Server, SQL, CSV, TXT, JSON, Parquet, GCP, Apigee, Kong, Azure API Management, AWS API Gateway, LexisNexis, Oracle Mantas, Actimize, Fircosoft, Oracle Mantas, World-Check, Dow Jones, Chainalysis, Elliptic, TRM Labs
3w
Save
Mark Applied
Hide
Software Development Engineer in Test (SDET II)
McLean, Virginia, United States
HybridFull Time
3+ YOEBachelor's or equivalent experience, 3–5 years QA experience, 3+ years in JavaScript/TypeScript/Python/Java/C#, proficiency with Playwright/Jest, API validation (Postman), CI/CD and Git, strong debugging and collaboration skills, travel up to 10%.
JavaScript, TypeScript, Python, Java, C#, Playwright, Jest, Git, Postman, JMeter, Locust, k6, AWS, Azure, Docker, Kubernetes
2mo
Save
Mark Applied
Hide
Economic Analyst
Washington, District of Columbia, United States
$70k-$89k/yr OnsiteFull Time
International Brotherhood of Teamsters: Labor union representing workers across diverse North American industries.
1+ YOEExperience in research methods and statistical analysis; evaluate financial position from statements; proficient in Microsoft Office; VBA/C#/C++; experience with R, Python, SPSS; Tableau; knowledge of labor unions.
Microsoft Office, VBA, C#, C++, R, Python, SPSS, Tableau, Salesforce, eViews
1mo
Save
Mark Applied
Hide
Solutions Architect
McLean, Virginia, United States
$135k-$172k/yr RemoteFull Time
5+ YOEU.S. citizen with an active Microsoft certification (e.g., MS-102 or SC-300), ability to obtain Public Trust, bachelor’s in IT/CS/systems engineering or equivalent, 5+ years supporting Microsoft 365 and Power Platform, .NET and PowerShell experience.
Microsoft 365, Microsoft Power Platform, Microsoft Dataverse, Microsoft Copilot, Microsoft Power BI, Microsoft Power Apps, Microsoft Power Automate, Microsoft OneDrive, Microsoft SharePoint Online, AvePoint Online Services, .NET, C#, ASP.NET MVC, Entity Framework, JavaScript, HTML, CSS, PowerShell, Microsoft Exchange Online, Microsoft Intune, Microsoft Azure AD, Microsoft Azure
1mo
Save
Mark Applied
Hide
Software Dev Engineer II, OMHS SCS
Arlington, Virginia, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development, 2+ years design/architecture experience, 3+ years building large-scale embedded or distributed systems; proficiency with C#, C++, Java, or Perl; object-oriented design; Bachelor's degree required.
C#, C++, Java, Perl, CI/CD, AWS, Embedded Linux
3d
Save
Mark Applied
Hide
Associate Solution Engineer (2027 Graduate)
McLean, Virginia, United States
$82k-$85k/yr OnsiteFull Time
Pursuing a BS/MS in a STEM field, strong communication, prior internship or academic technical experience, analytical and troubleshooting skills, willingness for occasional after-hours support; employer will not sponsor visa.
Java, C#, Python, Ruby, Perl, PHP, MySQL, Oracle, SQL Server, Linux, Windows
1w
Save
Mark Applied
Hide
Senior Associate, Application Security, DevSecOps
Birmingham or Bentonville or Phoenix or Tempe or Irvine or Los Angeles or Sacramento or San Diego or San Francisco or Santa Clara or Boulder or Denver or Hartford or Stamford or Washington or Fort Lauderdale or Jacksonville or Miami or Orlando or Tallahassee or Tampa or Atlanta or Des Moines or Boise or Chicago or Indianapolis or Louisville or Baton Rouge or New Orleans or Shreveport or Boston or Baltimore or Detroit or Minneapolis or Kansas City or St Louis or Jackson or Charlotte or Raleigh or Winston-Salem or Lincoln or Omaha or Montvale or Short Hills or Albuquerque or Las Vegas or Albany or Buffalo or Melville or New York or Rochester or Cincinnati or Cleveland or Columbus or Oklahoma City or Portland or Harrisburg or Philadelphia or Pittsburgh or Providence or Greenville or Knoxville or Memphis or Nashville or Austin or Dallas or Fort Worth or Houston or San Antonio or Salt Lake City or Ashburn or McLean or Richmond or Seattle or Milwaukee or Virginia Beach or El Segundo
$90k-$168k/yr OnsiteFull Time
4+ YOE4+ years application security/DevSecOps experience, familiarity with CI/CD, SAST/DAST, cloud (preferably Azure), programming in Java/C#/JavaScript/Python/SQL, strong threat modeling and risk assessment skills, and U.S. work authorization without sponsorship.
Java, C#, JavaScript, Python, SQL, CI/CD, SAST, DAST, Azure, OWASP
1w
Save
Mark Applied
Hide
Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Bachelor's in CS or related (or 4 years experience), U.S. citizenship, active Top Secret/SCI with Full Scope Polygraph, no prior experience required; software engineering fundamentals and teamwork.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS Code, Windows, Unix, Linux, macOS, Atlassian Suite (JIRA, Confluence), GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
2mo
Save
Mark Applied
Hide
Mid-Level CNO Reverse Engineer
Annapolis Junction, Maryland, United States
$105k-$200k/yr OnsiteFull Time
8+ YOETS/SCI with polygraph; bachelor’s degree or 12 years experience; 8 years reverse engineering; 5 years in reverse engineering; 5 years in REDACTED; strong programming in multiple languages.
Assembly, C, C#, C++, Java, Perl, Python, Reverse engineering tools
Explore Jobs
Expand Your Job Search
Top Cities Near Leesburg for Csharp
- Csharp jobs in Washington, DC
- Csharp jobs in Arlington, VA
- Csharp jobs in Alexandria, VA
- Csharp jobs in Frederick, MD
- Csharp jobs in Gaithersburg, MD
- Csharp jobs in Rockville, MD
- Csharp jobs in Bowie, MD
- Csharp jobs in Manassas, VA
- Csharp jobs in Hagerstown, MD
- Csharp jobs in College Park, MD
- Csharp jobs in Winchester, VA
- Csharp jobs in Laurel, MD
- Csharp jobs in Herndon, VA
- Csharp jobs in Greenbelt, MD
- Csharp jobs in Fairfax, VA
- Csharp jobs in Westminster, MD
- Csharp jobs in Hyattsville, MD
- Csharp jobs in Takoma Park, MD
- Csharp jobs in Martinsburg, WV
- Csharp jobs in Vienna, VA