816 c developer jobs at 261 companies in Leonardtown, MD
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Cleared C# / .NET Developer
Washington, District of Columbia, United States
$91k-$185k/yrOnsiteFull Time
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
3+ YOEBachelor's degree with 3+ years developing software using C#/.NET, ASP.NET, Entity Framework, and SQL Server; unit testing, secure coding, Git/GitLab; active Top Secret clearance and US citizenship; onsite Washington, DC.
Technica Corporation: Provides systems engineering and cybersecurity services to federal agencies.
8+ YOEActive Top-Secret with SCI and CI Poly eligibility; Bachelor’s in Computer Science or equivalent; 8+ years software development; 3–5 years C#/.NET experience; ASP.NET, Entity Framework, SQL Server, unit testing, and secure coding.
E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.
8+ YOEActive Top-Secret clearance, Bachelor’s in IT, minimum 8 years experience with 3–5 years using C#/.NET; experience with ASP.NET, Entity Framework, Microsoft SQL Server, REST/RPC, Git/GitLab, unit/integration testing, and secure coding practices.
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
8+ YOEBachelor's degree and 8+ years software engineering experience; 3–5 years with C#/.NET, ASP.NET, Entity Framework, and Microsoft SQL Server; experience with REST/RPC, unit/integration testing, secure coding; active TS/SCI clearance and U.S. citizenship required.
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
0+ YOEC or C++ development experience,Bachelor's in technical field or equivalent,0-5 years experience,ability to obtain DoD security clearance,valid driver's license,good communication and problem-solving skills.
Cayuse Holdings: Delivers IT services and mission support to government agencies.
3+ YOE3+ years developing with C# and .NET, ASP.NET, Entity Framework, SQL Server; unit/integration testing; secure coding; active Top Secret clearance required.
C#, .NET, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, PowerPoint, Acrobat, Azure, AWS, Jira, Azure DevOps
IPT Associates: Provides IT and professional services to federal government agencies.
8+ YOE8+ years .NET/C# experience, 5+ years SDLC, testing, SQL stored procedures, and mentoring. DoD 8140.03 IAT Level II and active security clearance required; ability to obtain SI/TK/G/HCS and NATO Secret accesses.
MS .NET, C#, MVC 4+, IIS, Windows Server, SQL Server
Mid-Level C++ Engineer - Real-Time Tactical Systems (RR1005)
Dahlgren, Virginia, United States
$74k-$95k/yrOnsiteFull Time
HART Technologies: Designs and manufactures electronic systems and software for defense applications.
3+ YOEBS in engineering/science, 3+ years modern C++ experience, Linux development proficiency, US citizenship and ability to obtain DoD clearance, strong debugging and systems integration skills.
C++, Standard Library, Linux, Python, Lua, Jira, Git, Agile
Applied Intuition: Developing software and simulation infrastructure for autonomous vehicles.
5+ YOE5+ years C++ (C++20) experience, strong algorithms and multi-agent/optimization background, proficiency with Bazel, Docker, Linux, ability to obtain U.S. SECRET clearance, BS/MS or equivalent experience.
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
2+ YOEExpert C programming and bash scripting; experience with Python, software development lifecycle, problem solving, and working independently or on teams. BS/MS/PhD plus relevant years of experience as specified; ability to obtain Department of War security clearance; U.S. work authorization required.
Software Engineering Institute: Developing software and AI engineering for national security.
2+ YOEExpert C programming and bash scripting, strong problem-solving, ability to learn new languages, BS/MS/PhD in quantitative discipline with 8/5/2 years' experience respectively, ability to obtain DoD security clearance, periodic travel.
MORSE Corp: Develops AI and autonomous systems for US national security.
5+ YOERequires 5+ years of software development experience, C++ expertise, Python proficiency, hardware and embedded systems knowledge, Docker/Docker-compose/Kubernetes experience, and a Computer Science degree or equivalent experience.
iboss: Provides cloud-delivered network security and threat protection services.
7+ YOE7+ years of software development experience in large-scale networking; TCP/IP, HTTP, DNS; distributed architectures; Unix; Agile; strong SQL and data modeling.
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
5+ YOEBachelor's degree in a technical field or equivalent experience, 5+ years developing spacecraft or safety-critical software, real-time embedded systems experience, and C++ development expertise.
Full Visibility: Provider of technical and engineering solutions for government agencies.
2+ YOE2+ years developing Windows applications with C#/.NET, bachelor’s degree or 6+ years equivalent, Visual Studio, Git/Mercurial, relational DB experience, strong troubleshooting and communication skills.
C#, .NET Framework 4.0, Visual Studio 2012, Git, Mercurial
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
5+ YOE5+ years .NET (C#) development experience, AWS/cloud and distributed system experience, REST/ASP.NET MVC, data modeling, familiarity with LLMs and observability; Bachelor’s degree required.
C#, .NET Framework, SQL Server, AWS, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, large language models (LLMs)
Senior Staff Software Engineer, C++ Software Integration (R4018)
Washington, District of Columbia, United States
$181k-$271k/yrOnsiteFull Time
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
10+ YOEMinimum 7-10+ years experience in C++, distributed systems, CI/CD, and hardware/software interfaces; expert in C++14/17/20; strong Linux experience; active SECRET clearance; leadership experience.
CaseGuard: Provides AI-powered redaction software for video, audio, and documents.
5+ YOEBachelor's in CS, 5+ years professional software development (3+ years .NET desktop), expert C#/.NET, deep WPF/XAML and multithreading, profiling/optimization, MVVM and SOLID, mentoring and Agile experience.
New York City or Washington or Vancouver or London or Galway or Budapest or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent: Provides software for corporate governance, risk, and compliance management.
5+ YOE5+ years building secure, scalable services in C++; experience with cloud (AWS), infrastructure as code (CDK/Terraform), containers (Docker), CI/CD, SQL/NoSQL, security practices, AI/LLM tools and mentoring peers.
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
6+ YOEMust be a U.S. citizen with an active or obtainable Secret clearance, 6+ years related experience, BS +5 years (or equivalent), proficiency in Oracle/PL/SQL, C#, Git, Azure DevOps, WPF/PRISM; DOD 8570 IAT II (CompTIA Security+) required.