3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
.NET C# Developer
Washington, District of Columbia, United States
$145k-$151k/yr OnsiteFull Time
3+ YOE3+ years C#/.NET experience, ASP.NET, Entity Framework, SQL Server; Bachelor's degree preferred or 8+ years experience; active Top Secret clearance; unit/integration testing and secure coding experience.
C#, .NET, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Acrobat, Azure, AWS, Jira, Azure DevOps
1mo
Save
Mark Applied
Hide
C# / .Net Developer
Washington, District of Columbia, United States
$125k-$155k/yr OnsiteFull Time
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.
C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, Git, GitLab, Docker, AWS, Azure, REST, RPC, CI/CD
2mo
Save
Mark Applied
Hide
C++ Application Developer
Fairfax, Virginia, United States
OnsiteFull Time
5+ YOEActive TS/SCI clearance, Bachelor’s or higher in CS/CE/EE, 5+ years desktop app development, strong C++, Qt UI experience, Linux environment familiarity, Git proficiency.
Qt, GTK, WPF, Java/Swing, Linux, Git, AWS, Docker, Kubernetes, Grafana, Loki
2mo
Save
Mark Applied
Hide
C++ Software Developer
Arlington, Virginia, United States
OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
C#/.NET Developer
Washington, District of Columbia, United States
$151k-$156k/yr OnsiteFull Time
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.
C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD
4w
Save
Mark Applied
Hide
GN&C Navigation Engineer III
Seattle or Brevard County or Huntsville or Denver or Los Angeles or Reston
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEM.S. in a STEM field with 5+ years in navigation systems; strong skills in Rust, C/C++, or C; experience with state estimation/Kalman filters and navigation sensors (IMUs, star trackers); U.S. eligibility required.
C, C++, Rust, Python, DO-178C, IMUs, star trackers, optical sensors, hardware-in-the-loop
1mo
Save
Mark Applied
Hide
Cleared C# / .NET Developer
Washington, District of Columbia, United States
$91k-$185k/yr OnsiteFull Time
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.
C#, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD
3w
Save
Mark Applied
Hide
Senior .NET/C# Developer
Fort Belvoir, Virginia, United States
OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
C-UAS Project Engineer
Washington or Chantilly or West Virginia or United States
$120k-$165k/yr HybridFull Time
3+ YOEU.S. citizen able to obtain Public Trust, Bachelor’s in engineering + 3+ years experience, C-UAS systems expertise, API/SDK and sensor fusion experience, ability to integrate C-UAS systems and develop technical documentation.
API, Team Awareness Kit (TAK), Tactical Assault Kit, Dedrone City, Cloud Based Command and Control (CBC2), Athena, LATTICE
2w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
C++ Mid-Level SW Developer
Bethesda, Maryland, United States
$73k-$149k/yr HybridFull Time
3+ YOESecret clearance, CompTIA Sec+, 3+ years professional software development, strong C++ expertise, cross-platform (Windows/Linux) development, effective communicator.
C++, Windows, Linux
1w
Save
Mark Applied
Hide
C++ Mid-Level SW Developer
Bethesda, Maryland, United States
$73k-$149k/yr HybridFull Time
3+ YOESecret clearance and CompTIA Sec+ (or ability to obtain), 3+ years professional software development, strong C++ skills, cross-platform (Windows/Linux) experience, and good communication.
C++
3mo
Save
Mark Applied
Hide
C++ Engineer- FreeWheel- Onsite (Hybrid)- Chicago, IL, Denver, CO, Reston, VA or New York, NY
Chicago or New York or Reston or Denver
$110k-$188k/yr HybridFull Time
2+ YOEBachelor’s degree in computer science or related field; 2+ years in C/C++; experience with distributed systems and software development lifecycle.
C++, C, Database design, Network programming, Distributed systems, Agile, SDLC
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
.Net / C# Developer - Senior
Fort Belvoir, Virginia, United States
OnsiteFull Time
8+ YOEEight years in .NET development; five years in SDLC; testing experience; SQL database development; mentoring; defect tracking.
.NET, C#, MVC, IIS, SQL, SDLC
2mo
Save
Mark Applied
Hide
Engineer II, C++ Systems Integration (R4021)
Washington, District of Columbia, United States
$95k-$143k/yr OnsiteFull Time
2+ YOE2+ years experience with a Bachelor's degree; strong modern C++ (C++14/17/20); Linux; Python; CI/CD; Docker; TS/SCI/Secret clearance preferred.
C++, Python, Linux, Docker, GitLab CI/CD, CMake, Conan, gRPC, REST, ZeroMQ
1w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Sr. Avionics Engineer - C&DH (Contract)
United States or Arlington or Denver or Houston or Merritt Island
RemoteContract
8+ YOEBachelor's in STEM required (Master's preferred), 8+ years' experience (6 with Master's), experience with satellite avionics/C&DH, RS-422/CAN/1553/SpaceWire, MatLab/STK/C++, and ability to obtain government security clearance; US citizenship required.
MatLab, STK, C++, RS-422, CAN, 1553, SpaceWire