405 c developer jobs at 128 companies in Cecilton, MD
1w
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C++ Engineer
Lancaster or Moscow
HybridFull Time
Fluency in C++ required; experience refactoring large codebases, familiarity with C#, Rust, JScript, SQL/Postgres, and older Windows technologies (COM, ATL, MFC) is desirable.
C++, C#, Rust, Zig, Odin, JScript, SQL, Postgres, COM, Active Template Library, MFC
3w
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Senior Software Engineer - Full Stack C# Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
8+ YOEC# full-stack web development with ASP.Net, web libraries (jQuery, Bootstrap, Knockout), database experience (MongoDB), 8+ years experience, US citizenship and Top Secret SCI+Poly required.
C#, ASP.Net Web Forms, ASP.Net MVC, Java, MongoDB, HTML, CSS, JQuery, Bootstrap.js, Knockout.js, IIS
2mo
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Senior C++/Python Software Engineer - Clearance Required
Hanover, Maryland, United States
$151k-$266k/yr OnsiteFull Time
15+ YOETS/SCI with poly required, Bachelor's in CS or equiv, 15+ years software engineering experience, strong Python and C/C++ skills, scripting (Bash/awk/sed/PowerShell), RF signals familiarity, EM/STM32 experience preferred.
Python, C/C++, Bash, awk, sed, Microsoft PowerShell, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi4, Raspberry Pi5, FieldFox, Spectrum analyzer, multimeter
2w
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Software Engineer
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
0+ YOEBachelor's in engineering discipline; 0–3 years developing in C, C++, and/or C#; active or ability to obtain DoD Secret clearance; US citizenship and valid/obtainable US passport; ability to travel 10–20%.
Microsoft Visual Studio, Git, Microsoft Visio, Microsoft Access, Microsoft .NET Framework, C, C++, C#, SQL
1mo
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Senior Electrical Engineer or Senior Instrumentation and Control (I&C) Engineer
Raleigh or Richmond or Baltimore or Fairfax or Orlando
OnsiteFull Time
15+ YOEBS in electrical engineering, PE required, 15+ years water/wastewater EI&C design and management, AutoCAD and Revit experience, NEC/NFPA knowledge, strong client and team leadership.
AutoCAD, Revit, SCADA, PLC, DCS
1mo
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Senior CNO Developer
Hanover or Aurora
$142k-$236k/yr OnsiteFull Time
6+ YOEActive TS/SCI w/ Poly required; BS+8/MS+6/HS+12 experience paths. Requires Python, C/C++, low-level system and networking (TCP/IP) experience, debugging, and CNO capability development; Atlassian tools preferred.
Python, C, C++, TCP/IP, Windows, Unix, JIRA, Confluence, Crucible, Assembly
1mo
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Principal Software Engineer
United States or Vienna or Baltimore
$220k-$372k/yr OnsiteFull Time
12+ YOE12+ years software development experience with expertise in cloud-native, storage and data management; proficiency in NFS/SMB/iSCSI and programming in C/C++/Golang/Node.js/Python.
C, C++, Golang, Node.js, Python, NFS, SMB, iSCSI, Docker, Kubernetes, GitHub, Jenkins, Ansible
1mo
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Android-Savvy CNO Developer
Fort Meade or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii
OnsiteFull Time
2+ YOEU.S. citizenship and active TS/SCI with agency polygraph required; degree in Computer Science/Computer Engineering; minimum 2 years of cybersecurity/CNO-specific development and experience in C, native Android, embedded development, and Bluetooth.
C, Android, Bluetooth
2mo
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CNO Developer
Annapolis Junction, Maryland, United States
$113k-$257k/yr OnsiteFull Time
6+ YOE6+ yrs OO programming; 6+ yrs Windows/.NET or UNIX makefiles; C, C++, Python; software life cycle; vulnerability analysis; TS/SCI with poly; BS in CS with embedded exp or 6+ yrs embedded exp
C, C++, Python, Go, Rust, Assembly
1mo
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Software Engineer III
Hanover, Maryland, United States
$119k-$178k/yr OnsiteFull Time
5+ YOEBS in CS/CE/Math/EE (or equivalent), 5+ years software engineering, experience with REACT/C/C++/C#, Linux, Jira, Git; ability to obtain DoD security clearance; US citizenship; strong written/oral communication and hardware test proficiency.
REACT, C, C++, C#, Linux OS, Jira, Git, oscilloscopes, multimeters
4d
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Software Engineer I
Aberdeen, Maryland, United States
$60k-$75k/yr HybridFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelor's degree in computer science or similar, 1–5 years of programming experience, proficiency in Java, C/C++, Python, or JavaScript, and ability to obtain or hold a current DoD clearance.
Java, C, C++, Python, JavaScript, Windows, Linux, Android, Node.js, Vue.js, UML
2mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
2mo
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CNO Developer
Annapolis Junction, Maryland, United States
$113k-$257k/yr OnsiteFull Time
6+ YOE6+ years in object-oriented programming; Windows/.NET or UNIX development; C, C++, Python; software life cycle management; vulnerability analysis; TS/SCI with polygraph; BS in Computer Science with embedded development experience.
C, C++, Python, Assembly, Go, Rust, Visual Studio, .NET, UNIX
2w
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Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
5+ YOE5+ years software engineering experience, experience shipping LLM/AI agent production systems, proficiency with GitHub, Python, .NET/C#, Angular, AWS, databases, and strong communication and leadership skills.
GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server, Claude Agent SDK, LangGraph, AgentCore, Anthropic, OpenAI
2w
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Software Developer
Exton or Philadelphia
RemoteFull Time
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
4d
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Software Engineer II - CTJ - Poly
Reston or Redmond or Annapolis Junction
$102k-$202k/yr HybridFull Time
2+ YOEBachelor's in CS or related and 2+ years engineering experience coding in C/C++/C#/Java/JavaScript/Python; Top Secret/SCI clearance required; experience with Docker, Kubernetes, and cloud platforms preferred.
C, C++, C#, Java, JavaScript, Python, GitHub Copilot, Docker, Kubernetes, Microsoft Azure Machine Learning, Microsoft Azure AI Services, Microsoft Azure OpenAI, Microsoft Foundry, GCP, AWS
3mo
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Software Engineer
Baltimore or Annapolis
HybridFull Time
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
1mo
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CRM Developer
Cockeysville or Hunt Valley
$115k-$125k/yr HybridFull Time
5+ YOEBachelor's in CS/IS, 5+ years software engineering/CRM development (3+ years Dynamics 365), strong .NET/C#, SQL, JavaScript/TypeScript, Power Platform, Azure, REST/SOAP integrations, and collaboration skills.
Microsoft Dynamics 365 CRM, Microsoft Dataverse, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, .NET, C#, SQL Server, T-SQL, JavaScript, TypeScript, HTML, CSS, REST APIs, SOAP, Azure Functions, Logic Apps, Service Bus, Azure DevOps, Git, Microsoft Graph, Microsoft Entra ID (Azure AD), Angular, React, CI/CD, Codex, ChatGPT, CoPilot, Foundry
3mo
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CNO Software Engineer Level 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESeven years SWE experience; BS in CS; strong programming in C/C++/Java/Python; DevOps & CI/CD; TS/SCI with polygraph.
C, C++, C#, Java, Python, Docker, Terraform, Ansible, Packer, Artifactory, Jenkins, Bamboo
3w
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Software Engineer II (Testing)
Columbia or Annapolis Junction
$190k-$205k/yr OnsiteFull Time
14+ YOEActive TS/SCI with FSP required; 14 years software engineering experience (6 in testing); test automation in Python; experience with Linux/Unix, C/C++/Java, scripting, integration and performance testing.
Python, Perl, Bash, C, C++, Java, JIRA, Git, Linux, Unix