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C Software Engineer Jobs in Washington, DC (NOW HIRING)

L3HHCM20

Intern C, Software Engineer

Herndon, VA

$29 - $53.50/hr

Intern, Software Engineering Job Code: 42752 Job Location: Herndon, VA Job Schedule: 9/80:Employees ... Utilize a variety of software languages (i.e., C++, C#, C, Java, Ruby, HTML5, XML, SQL, Perl ...

Posted today

AMERICAN SYSTEMS

C/C++ Software Engineer

Mclean, VA · On-site

$96K - $161K/yr

Overview We are seeking a highly skilled C/C++ Software Engineer to support mission-critical Command, Control, Communications, Computers, and Intelligence (C4I) systems for U.S. Customs and Border ...

AMERICAN SYSTEMS

C/C++ Software Engineer

Mclean, VA

$96K - $161K/yr

We are seeking a highly skilled C/C++ Software Engineer to support mission-critical Command, Control, Communications, Computers, and Intelligence (C4I) systems for U.S. Customs and Border Protection ...

Actalent

C++ Software Engineer

Manassas, VA

$50 - $75/hr

C++ Software Engineer We are seeking a C++ Software Engineer to support a mission-critical internal R&D effort focused on modernizing software build, integration, and dependency management processes ...

Actalent

DoD Software Engineer

Manassas, VA

$50 - $75/hr

C++ Software Engineer We are seeking a C++ Software Engineer to support a mission-critical internal R&D effort focused on modernizing software build, integration, and dependency management processes ...

Oteemo Inc

Software Engineer (C++)

Manassas, VA · On-site

Demonstrated experience in architecting and designing large, complex legacy software systems, with deep hands-on expertise in Java, C and/or C++. * Experience in Automation & DevOps, including CI/CD ...

Oteemo, Inc

Software Engineer (C++)

Manassas, VA · On-site

Demonstrated experience in architecting and designing large, complex legacy software systems, with deep hands-on expertise in Java, C and/or C++. * Experience in Automation & DevOps, including CI/CD ...

Oteemo, Inc

Software Engineer (C++)

Manassas, VA · On-site

Demonstrated experience in architecting and designing large, complex legacy software systems, with deep handson expertise in Java, C and/or C++. * Experience in Automation & DevOps, including CI/CD ...

Cymertek

C / C++ / Java Software Developer

Reston, VA · On-site

$51 - $68.75/hr

SIMILAR CAREER TITLES Software Engineer, Backend Developer, Full Stack Developer, Systems Developer, Application Developer, Embedded Software Developer, Java Developer, C++ Developer, C Developer ...

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Showing results 1-20

All JobsC Software Engineer JobsC Software Engineer Jobs in Washington, DC

C Software Engineer information

See Washington, DC salary details

$27.7K

$139.4K

$217.4K

How much do c software engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for c software engineer in Washington, DC is $139,414.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $163,600.00 per year, depending on experience, location, and employer.

What does a C software engineer do?

A C Software Engineer designs, develops, tests, and maintains software applications and systems using the C programming language. They typically work on performance-critical applications, embedded systems, operating systems, or device drivers. Their responsibilities include writing efficient code, debugging, optimizing existing code, and collaborating with other engineers to ensure software reliability and maintainability. C Software Engineers must have a strong understanding of computer science fundamentals and problem-solving skills.

What are the key skills and qualifications needed to thrive as a C software engineer?

To thrive as a C Software Engineer, you need a deep understanding of C programming, algorithms, data structures, and a relevant degree in computer science or a related field. Familiarity with development tools such as GCC, Git, debugging profilers, and sometimes certifications in software development are commonly required. Strong problem-solving skills, attention to detail, and effective teamwork set outstanding C Software Engineers apart. These competencies are essential for building reliable, efficient software and collaborating effectively in technical environments.

How does a C software engineer typically collaborate with other teams during a development project?

C Software Engineers frequently work alongside cross-functional teams, including hardware engineers, QA testers, and project managers. Collaboration often involves participating in code reviews, integrating low-level code with hardware components, and ensuring software meets performance and reliability standards. Effective communication is essential, as these engineers must translate technical requirements and troubleshoot issues that may arise at the intersection of software and hardware. Regular meetings and documentation are standard practices to keep everyone aligned and maintain project momentum.

What is the difference between C Software Engineer vs C++ Software Engineer?

AspectC Software EngineerC++ Software Engineer
Required CredentialsBachelor's in Computer Science or related field; knowledge of C languageBachelor's in Computer Science or related field; knowledge of C and C++ languages
Work EnvironmentEmbedded systems, operating systems, device driversApplication development, game engines, software tools
Industry UsageEmbedded systems, firmware, hardware interfacingSoftware applications, game development, high-performance computing

The main difference between a C Software Engineer and a C++ Software Engineer lies in the programming languages they specialize in. C engineers focus on low-level programming for embedded systems and hardware interfaces, while C++ engineers work on more complex applications that require object-oriented features. Both roles require similar foundational skills but differ in application scope and complexity.

What are popular job titles related to C Software Engineer jobs in Washington, DC?

For C Software Engineer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching C Software Engineer jobs in Washington, DC look for?

The top searched job categories for C Software Engineer jobs in Washington, DC are:

C Software Engineer jobs near you
Infographic showing various C Software Engineer job openings in Washington, DC as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $139,414 per year, or $67 per hour.

Intern C, Software Engineer

L3HHCM20

Herndon, VA

$29 - $53.50/hr

Full-time, Internship

Medical, Retirement, PTO

Posted 12 hours ago

Posted today

Job description

Job Title: Intern, Software Engineering 

Job Code: 42752

Job Location: Herndon, VA

Job Schedule: 9/80:Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off

Job Description:  

  • Apply computer science, engineering, and mathematical analysis concepts and principles in the development of software for the target application  

  • Work closely with cross functional members of the engineering organization to develop and evaluate interfaces between hardware and software, and operational performance requirements and design of the overall system 

  • Support and participate in all phases of the software development life cycle, including requirements analysis, design, implementation, integration, and test of embedded software for real-time control of advanced tactical radio equipment 

  • Develop software test procedures, software programs, and related documentation  

  • Utilize modeling tools and equipment to establish operating data, conduct experimental tests, and evaluate results 

  • Participate in peer reviews, identify, track and repair defects 

  • Utilize a variety of software languages (i.e., C++, C#, C, Java, Ruby, HTML5, XML, SQL, Perl, Python, Ajax, Qt) on Windows, Linux, mobile platforms, and embedded real time operating systems (VxWorks, Linux, QNX, Integrity, Windows CE, and others for Motorola, Intel, TI, and custom processor designs) 

Qualifications: 

  • Must be pursuing a Bachelor's degree, a Master's degree, or a PhD in computer science, Computer Engineering, Software Engineering, Electrical Engineering, Wireless Engineering, Information Security, Mathematics, Digital Arts & Sciences or related field at an accredited university. 

Preferred Skills: 

  • One or more of the following: C++, C#, C, Java, Ruby, JEE, HTML5, XML, SQL, Qt, Windows, .NET, Unix, Linux, SOA, RTOS, Real-Time Controls, Wireless, Software Security, Robotics, OOA/OOD,Hadoop, Android, Embedded Systems 

PAY TRANSPARENCY: In compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $29.00 per hour - $53.50 per hour. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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