HiringCafe
Join our community

1,558 c software jobs at 406 companies in Rockville, MD

3mo
Save
Mark Applied
Hide
C++ Software Developer
Arlington, Virginia, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOE3+ years software development with modern C++, SQL experience, distributed source control (Git/Mercurial), Bachelor's (or Associate + experience), active Secret clearance required (US citizen), ability to produce technical documentation.
C++, Visual Studio, UML, SQL, SQLite, Git, Mercurial, Python, Windows, Linux
Job PostingView all
4w
Save
Mark Applied
Hide
Senior C++ Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
HEICO
HEICONYSE: HEI: Manufactures specialty electronic components and niche aircraft parts.
Deep C and C++ fundamentals, multithreading, debugging on Linux, Git and CI/CD (GitLab, Docker, Make), automated testing with gtest, and U.S. citizenship with ability to obtain Top Secret clearance.
C, C++, Git, GitLab, Docker, Linux shell scripting, Make, CMake, Google Test (gtest), Python, JavaScript, React
Job PostingView all
1d
Save
Mark Applied
Hide
C++ Software Engineer — AFSIM Extensions & Plugin Development
Arlington, Virginia, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor’s degree in computer science, software engineering, or related field plus 9 years of experience. Requires C++17+, object-oriented design, data structures, software architecture, AFSIM familiarity, and Git.
C++, C++17, AFSIM, Git, Boost, CMake, Lua, Python
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior C++ Software Engineer - Defense Air
Sunnyvale or Washington or San Diego or Fort Walton Beach or Ann Arbor or London or Stuttgart or Munich or Stockholm or Bangalore or Seoul or Tokyo or Freeport
$150k-$200k/yr OnsiteFull Time
Applied Intuition
Applied Intuition: Developing software and simulation infrastructure for autonomous vehicles.
6+ YOE6+ years software engineering experience with strong C++; backend systems, concurrency, performance, and distributed systems expertise; Python proficiency; strong CS/CE/EE fundamentals; U.S. citizenship and eligibility for Secret clearance required.
C++, Python, Axion, Acuity
Job PostingView all
3mo
Save
Mark Applied
Hide
Senior Staff Software Engineer, C++ Software Integration (R4018)
Washington, District of Columbia, United States
$181k-$271k/yr OnsiteFull Time
Shield AI
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.
C++, Python, Linux/Unix, Docker, GitLab CI, Conan, CMake, gRPC, REST, ZeroMQ
Job PostingView all
1d
Save
Mark Applied
Hide
Software Engineer Sr. C/C++
Manassas, Virginia, United States
$110k-$205k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Bachelor's degree in a STEM discipline; modern C/C++ development on Linux; CI/CD pipeline experience; Git, code review, static analysis, and debugging skills; U.S. citizenship and eligibility for a Secret clearance.
C, C++, Linux, Jenkins, GitLab CI, Azure DevOps, Git, Java, Infrastructure as Code (IaC), REST, gRPC, GraphQL, OpenAPI, Fortify, Artifactory, Nexus, Agile, Scrum, DevOps
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior C++/Python Software Engineer - Clearance Required
Hanover, Maryland, United States
$151k-$266k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
C++ Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's in CS/CE or related, demonstrated experience developing maintainable software using modern C++ (C++17+), strong communication skills, ability to obtain Interim Secret and ultimately Top Secret clearance, and passion for learning.
C++ 17, Git, CMake, Conan, GitLab, Docker, GoogleTest (GTest), AFSIM, Java, Python, MATLAB
Job PostingView all
1w
Save
Mark Applied
Hide
C++ Software Engineer
Cambridge or Arlington or Seattle
$90k-$210k/yr OnsiteFull Time
MORSE Corp
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.
C++, Python, Docker, Docker Compose, Kubernetes, Scrum, Kanban
Job PostingView all
1mo
Save
Mark Applied
Hide
C Programmer
Pittsburgh or Arlington
OnsiteFull Time
Carnegie Mellon University
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.
C, Python, bash, Docker, Linux
Job PostingView all
2mo
Save
Mark Applied
Hide
C++ Software Engineer
Washington or Richmond or Atlanta or Austin
RemoteFull Time
iboss
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.
C++, C, SQL, Unix, TCP/IP, HTTP, DNS, Distributed systems, Agile
Job PostingView all
4d
Save
Mark Applied
Hide
Software Engineer 3 - Python/C/C++/RF/Bash/Hardware
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
15+ YOERequires 15 years of software engineering experience, a computer science degree or four additional years of experience, Top Secret/SCI clearance with favorable polygraph, and U.S. citizenship. Python and C/C++ required.
Python, C, C++, Bash, awk, sed, PowerShell, STM32, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi 4, Raspberry Pi 5, multimeter, FieldFox, Spectrum analyzer
Job PostingView all
3w
Save
Mark Applied
Hide
Software Engineer - C#/ BCS
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
3+ YOE3–5 years software development experience with C#/.NET, SQL Server, APIs/microservices, Git, unit testing; bachelor's in CS or equivalent experience preferred.
C#, .NET, .NET Core, SQL Server, gRPC, REST, Git, GitHub, Azure DevOps, CI/CD
Job PostingView all
1mo
Save
Mark Applied
Hide
C Programmer
Pittsburgh or Arlington
OnsiteFull Time
Software Engineering Institute
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.
C, Python, Bash, Docker, Linux
Job PostingView all
2mo
Save
Mark Applied
Hide
C++ Software Developer
Fort Meade or Laurel
OnsiteFull Time
Orbis Operations
Orbis Operations: Defense and intelligence firm providing situational awareness and training.
3+ YOEC++ on Unix with multithreading, Bash/Python scripting, GCC, POSIX/OpenMP, TS/SCI with polygraph; 3-8+ years SWE; CS degree
C++, Unix, Python, Bash, GCC, POSIX threads, OpenMP, SysV, Git, Jira, Confluence
Job PostingView all
5d
Save
Mark Applied
Hide
Flight Software Engineer, C++
El Segundo or Washington or Huntsville
$131k-$184k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEBachelor's degree or equivalent technical experience, 3+ years developing spacecraft or safety-critical software, and strong C++ expertise. Embedded systems experience is preferred.
C++, Python, Rust, F', cFS, CCSDS, SPI, I2C, CAN, EtherCAT, Linux
Job PostingView all
3mo
Save
Mark Applied
Hide
Software Engineer (C++ / Networking)
Herndon, Virginia, United States
$90k-$110k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
2+ YOESenior C++ engineer with networking experience; hands-on, building reliable, performant networked systems.
C++, Java, C#, Unix, Windows, IDEs
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Software Engineer — C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
CaseGuard
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.
C#, .NET, WPF, XAML, TPL, async/await, FFmpeg, C/C++, P/Invoke, SignalR, WebSockets, REST APIs, MVVM
Job PostingView all
2w
Save
Mark Applied
Hide
Software Developer (.Net/C#)
Quantico, Virginia, United States
$140k-$190k/yr HybridFull Time
Full Visibility
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Software Engineer - Full Stack C# Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
Job PostingView all

Explore Jobs

Expand Your Job Search