3mo
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C/C++ Software Engineer
McLean, Virginia, United States
$97k-$162k/yr OnsiteFull Time
8+ YOEU.S. citizen; secret clearance; Bachelor's in CS/Engineering/Math/Physics (Master’s preferred); 8+ years in real-time, Linux C/C++ systems; sensor data processing and radar/surveillance experience.
C/C++, Linux, Perforce, Git, Radar, Sensor Fusion, GIS
1w
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Senior C++ Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
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
2w
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Senior C++ Software Engineer (Defense Autonomy)
Washington or Arlington
$150k-$200k/yr OnsiteFull Time
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.
C++20, Bazel, Docker, RHEL, Ubuntu, Linux
2mo
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Senior Staff Software Engineer, C++ Software Integration (R4018)
Washington, District of Columbia, United States
$181k-$271k/yr OnsiteFull Time
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
1mo
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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
1mo
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C++ Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
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
3w
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Lead C++ Software Engineer - (Reston, VA - Hybrid) - FreeWheel
Reston, Virginia, United States
HybridFull Time
7+ YOE7+ years experience designing and operating large-scale online services; strong C/C++ or Golang, Linux, cloud and containerization (AWS,Kubernetes) expertise; distributed systems, networking and excellent problem-solving skills.
AWS, Kubernetes, Nginx, C++ Programming Language, Golang, Linux
1mo
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C Programmer
Pittsburgh or Arlington
OnsiteFull Time
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
1mo
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C++ Software Engineer
Washington or Richmond or Atlanta or Austin
RemoteFull Time
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
1w
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Software Engineer - C#/ BCS
Reston, Virginia, United States
OnsiteFull Time
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
2mo
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C++ Software Developer
Fort Meade or Laurel
OnsiteFull Time
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
1mo
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C Programmer
Pittsburgh or Arlington
OnsiteFull Time
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
3mo
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Software Engineer, C++
Washington, District of Columbia, United States
$166k-$220k/yr OnsiteFull Time
3+ YOEMinimum 3 years professional C++ experience, strong computer science fundamentals, performance-focused systems expertise, ability to work with complex architectures, eligible for U.S. Top Secret clearance.
C++, Lattice OS
3mo
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C++ Engineer
Lancaster or Moscow or United States
HybridFull Time
3+ YOEMid-level C++ experience; knowledge of C#, Rust, and JScript; SQL/PostgreSQL; familiarity with Windows tech like COM/MFC; experience refactoring large codebases.
C++, C#, Rust, JScript, SQL, PostgreSQL, COM, MFC, Windows
2mo
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Software Engineer (C++ / Networking)
Herndon, Virginia, United States
$90k-$110k/yr OnsiteFull Time
2+ YOESenior C++ engineer with networking experience; hands-on, building reliable, performant networked systems.
C++, Java, C#, Unix, Windows, IDEs
3mo
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C++ Software Engineer (DC, NoVA)
Tysons or Albuquerque
OnsiteFull Time
3+ YOEMid-level C++ software engineer with 3+ years of experience; BS required, MS/PhD preferred; US citizenship and background check; security clearance a plus; location in DC-area or Albuquerque.
Boost, Eigen, Linux, Windows, OpenSceneGraph, OpenGL, WebGL, MPI, OpenMP, Qt, git, Bitbucket, Jenkins, CMake, CAD
1mo
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Senior Software Engineer — C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
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
2w
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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
1mo
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Senior Software Engineer (C++)
New York City or Washington or Vancouver or London or Galway or Budapest or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
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.
C++, AWS, CDK, Terraform, Docker, CI/CD, PostgreSQL, NoSQL, Angular, LLM, IAM
1mo
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Software Engineer 3 - Python/C/C++/RF/Bash/Hardware
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
15+ YOEMust hold Top Secret/SCI with favorable polygraph and be a U.S. citizen; 15 years SWE experience required; Bachelor’s in CS (or 4 yrs additional SWE experience) ; strong Python and C/C++ skills; experience with Bash/awk/sed/PowerShell and RF signals.
Python, C/C++, Bash, awk, sed, PowerShell, STM32, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi4, Raspberry Pi5, FieldFox, Spectrum analyzer, multimeter