1,795 c developer jobs at 436 companies in Rosedale, MD

1mo
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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
3w
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C#/.NET Developer, Senior
Washington, District of Columbia, United States
$130k-$145k/yr OnsiteFull Time
Technica Corporation
Technica Corporation: Provides systems engineering and cybersecurity services to federal agencies.
8+ YOEActive Top-Secret with SCI and CI Poly eligibility; Bachelor’s in Computer Science or equivalent; 8+ years software development; 3–5 years C#/.NET experience; ASP.NET, Entity Framework, SQL Server, unit testing, and secure coding.
C#, .NET, ASP.NET, Entity Framework, SQL Server, Git, GitLab, AWS, Azure, Docker
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C#/.NET Developer
Washington, District of Columbia, United States
$151k-$156k/yr OnsiteFull Time
E-INFOSOL
E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.
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
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C# / .Net Developer
Washington, District of Columbia, United States
$125k-$155k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
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
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C++ Mid-Level SW Developer
Bethesda, Maryland, United States
$73k-$149k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOESecret clearance, CompTIA Sec+, 3+ years professional software development, strong C++ expertise, cross-platform (Windows/Linux) development, effective communicator.
C++, Windows, Linux
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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
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C++ Mid-Level SW Developer
Bethesda, Maryland, United States
$73k-$149k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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++
2mo
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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
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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
5d
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C++ Software Developer
Arlington, Virginia, United States
$104k-$173k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOEBachelor’s degree and 3+ years of related experience, or associate degree and 5+ years; 3+ years modern C++ development, SQL, source control, and full software lifecycle experience. Secret clearance and US citizenship required.
C++, Visual Studio, UML, SQL, Git, Mercurial, SQLite, Python, GIS
1w
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Senior C++/Python Software Engineer
Hanover, Maryland, United States
$167k-$310k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
15+ YOEBachelor's degree in computer science or related field, or four additional years of software engineering experience; 15 years of software engineering experience; current DoD Top Secret SCI with polygraph; Python and C/C++ development skills.
Python, C, C++, Bash, awk, sed, PowerShell, STM32, STM32CubeMX, STM32CubeIDE, STM32CubeProgrammer, STM32CubeMonitor, Raspberry Pi, FieldFox, Spectrum analyzer, multimeter
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Senior C Programmer
Pittsburgh or Arlington
OnsiteFull Time
Carnegie Mellon University
Carnegie Mellon University: Global research university providing higher education and conducting scientific research.
5+ YOEExpert C programming, bash scripting, strong problem-solving; ability to learn new languages; periodic travel; must be able to obtain Department of War security clearance. Degree plus experience required (BS+10, MS+8, PhD+5).
C, Python, bash, Docker, Linux
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Senior C Programmer
Pittsburgh or Arlington
OnsiteFull Time
Software Engineering Institute
Software Engineering Institute: Developing software and AI engineering for national security.
5+ YOEExpert C programming and bash scripting skills; experience with Python; BS/MS/PhD in quantitative field with significant applicable experience (BS+10 / MS+8 / PhD+5); ability to obtain Department of War security clearance; periodic travel; US work authorization required.
C, Python, bash, Docker, Linux
2w
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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
2mo
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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
3mo
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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
1w
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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
1w
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AI Engineer (LLMs + C#)
Alpharetta or Frisco or Omaha or Dallas or Washington or Vietnam
OnsiteFull Time
Aperia Solutions
Aperia Solutions: SaaS platforms for payment processing, risk management, and compliance.
2+ YOERequires 4+ years software development, 2+ years hands-on Generative AI or LLM experience, C#/.NET exposure, REST APIs, relational databases, Git, cloud applications, and a bachelor's degree in a related field.
Azure OpenAI, OpenAI, Anthropic, AWS Bedrock, Google Vertex AI, GitHub Copilot, ChatGPT, Claude, C#, .NET, .NET Core, .NET 6+, SQL Server, PostgreSQL, Git, Azure, AWS, Google Cloud, Docker, Kubernetes, Azure DevOps, GitHub Actions, Jenkins, Harness, DevSecOps, Fortify, Splunk, Dynatrace, Pinecone, Azure AI Search, Weaviate, Milvus, pgvector, LangChain, Semantic Kernel, LlamaIndex, APIGEE, MongoDB, Cassandra, React, Angular, TypeScript
3mo
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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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Senior Software Engineer (C#/.NET)
Arlington, Virginia, United States
$143k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
5+ YOE5+ years .NET (C#) development experience, AWS/cloud and distributed system experience, REST/ASP.NET MVC, data modeling, familiarity with LLMs and observability; Bachelor’s degree required.
C#, .NET Framework, SQL Server, AWS, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, large language models (LLMs)