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Vienna • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Vienna • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Vienna • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Vienna • 50 milesRemote · Hybrid · Onsite · Field · All Environments

1,569 c software engineer jobs at 382 companies in Vienna, VA

PromotedHiringCafe

Founding Full-stack / Product Engineer

Cupertino, CA, US

$130k-$300k/yr On-SiteFull Time

HiringCafe

HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.

Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).

React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe

Help us #BeatIndeed & #BeatLinkedIn

3mo

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3mo

C/C++ Software Engineer

McLean, Virginia, United States

$97k-$162k/yr OnsiteFull Time

American Systems

American Systems: Providing engineering and IT solutions to federal government agencies.

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

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2mo

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2mo

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

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1mo

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1mo

Mid-level C++ Software Engineer

Manassas, Virginia, United States

$119k-$132k/yr OnsiteFull Time

General Dynamics Mission Systems

General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.

5+ YOEBachelor's in computer/software/engineering or related STEM and 5+ years experience (or Master's +3). DoD Secret clearance and U.S. citizenship required. Proficiency in C/C++, Linux; Docker/Kubernetes and MATLAB preferred.

C/C++, Linux, Docker, Kubernetes, MATLAB

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6d

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

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1mo

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

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1mo

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

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1w

Senior C++ Software Engineer (Defense Autonomy)

Washington or Arlington

$150k-$200k/yr OnsiteFull Time

Applied Intuition

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.

C++20, Bazel, Docker, RHEL, Ubuntu, Linux

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1mo

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

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2mo

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2mo

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

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2d

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2d

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

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2mo

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2mo

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

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2w

Lead C++ Software Engineer - (Reston, VA - Hybrid) - FreeWheel

Reston, Virginia, United States

HybridFull Time

Comcast

ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.

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

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3mo

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3mo

C++ Software Engineer (DC, NoVA)

Tysons or Albuquerque

OnsiteFull Time

Stellar Science

Stellar Science: Scientific software for advanced physics-based modeling and simulation.

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

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2mo

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2mo

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

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3w

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3w

Software Engineer

Arlington, Virginia, United States

$69k-$158k/yr OnsiteFull Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

3+ YOE3+ years software engineering experience; proficiency with C#, C, C++, .NET or JavaScript; bachelor's in CS or Computer Engineering; Secret clearance required; strong communication and problem-solving skills.

C#, C, C++, .NET, JavaScript, Java, React, NodeJS, Linux, Rust

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3w

Software Engineer

Arlington, Virginia, United States

$69k-$158k/yr HybridFull Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

3+ YOE3+ years professional software engineering experience; Bachelor's in CS or Computer Engineering; Secret clearance; proficiency with C#, C, C++, .NET, JavaScript; experience with full-stack development and Linux preferred.

C#, C, C++, .NET, JavaScript, Java, React, NodeJS, Linux, Rust

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2mo

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2mo

Software Engineer

Fort Meade, Maryland, United States

$160k-$180k/yr OnsiteFull Time

Markon Solutions

Markon Solutions: Provides professional program and engineering services to federal agencies.

7+ YOEActive TS/SCI with Polygraph; Bachelor's in a technical field and 7+ years of software development/engineering, or HS diploma with 11+ years; Python and/or C/C++ experience; software lifecycle understanding.

Python, C, C++, Software Development Life Cycle

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1mo

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

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1w

Software Engineer (C#/.NET)

Arlington, Virginia, United States

$108k-$154k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.

3+ YOEBachelor's degree, 3+ years C#/.NET development, experience with cloud platforms (AWS/Azure), RESTful services, SQL, distributed systems, monitoring/telemetry, and familiarity with LLMs or agent architectures.

C#, .NET Framework, SQL Server, SQL, AWS, Web API, RESTful web services, ASP.NET MVC, large language models (LLMs), AWS Lambda, Amazon DynamoDB, Amazon SQS

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1w

Software Engineer (C#/.NET)

Arlington, Virginia, United States

$108k-$154k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.

3+ YOEBachelor's degree,3+ years .NET (C#) development,cloud experience (AWS/Azure),REST/ASP.NET MVC,data modeling,monitoring/telemetry,LLM familiarity and strong communication skills.

C#, .NET Framework, SQL Server, AWS, Azure, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, Large language models (LLMs)

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