222 software engineer c jobs at 84 companies in New Castle, DE
1mo
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C++ Software Engineer (Senior, Staff, or Lead)
Philadelphia, Pennsylvania, United States
$135k-$185k/yr OnsiteFull Time
5+ YOEStrong modern C++ (C++17/20) production experience, Linux, Git, GitLab CI/CD, CMake, debugging, concurrency, and system design. Senior+ levels require 5+ years (Staff 8+, Lead 10+) and permanent U.S. residency; clear background checks required.
C++17, C++20, Linux, Git, GitLab CI/CD, CMake, Docker, ROS, ROS 2, Python
2mo
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Software Developer - C/C++, C#, Java, Visual Basic, MATLAB, and Labview
Philadelphia, Pennsylvania, United States
$75k-$85k/yr OnsiteFull Time
2+ YOEDevelop software across C/C++, C#, Java, VB, MATLAB, LabVIEW; cybersecurity and embedded systems; Linux; DB/GUI; bachelor degree; 2+ years experience; Secret clearance preferred/obtainable.
C, C++, C#, Java, Visual Basic, MATLAB, LabVIEW, Linux, Cameo System Modeler, SQL, Microsoft Access, CSV, RDF, OWL, AllegroGraph, GATE, NLTK
6d
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C++ Engineer
Lancaster or Moscow
HybridFull Time
Fluency in C++ required; experience refactoring large codebases, familiarity with C#, Rust, JScript, SQL/Postgres, and older Windows technologies (COM, ATL, MFC) is desirable.
C++, C#, Rust, Zig, Odin, JScript, SQL, Postgres, COM, Active Template Library, MFC
3mo
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Software Developer | C++ | Prediction Markets | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteMultiple Commitments Available
Proficient in C++ with software development experience in finance or prediction markets.
C++, Software Development
2mo
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Software Developer | C++ | ETF | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in CS/Engineering/Math, 5+ years C++ software development, strong performance/latency optimization skills, collaboration with traders/quant teams; financial markets familiarity a plus.
C++
2w
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Software Engineer
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
0+ YOEBachelor's in an engineering discipline, 0–3 years software development experience with C/C++/C# or equivalent academic projects, active or obtainable DoD Secret clearance and US citizenship, valid/obtainable US passport, ability to travel 10–20%.
Microsoft Visual Studio, Git, Microsoft .NET Framework, Visio, MS Access, SQL, C, C++, C#, TCP/IP, UDP
3w
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Staff Engineer, Software (sys)
Fort Washington, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years software engineering experience, Bachelor/Master in CS/Software/Computer/Electrical Engineering, proficient in C and C++, strong OO design and architecture skills, leadership and project management experience.
C, C++
3w
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Software Engineer
Colorado Springs or King of Prussia
$77k-$152k/yr OnsiteFull Time
U.S. citizen with final Secret clearance; strong software engineering background with professional C# experience, Agile, DevOps, and familiarity with C++, Angular, Kubernetes, and military communications software preferred.
C#, Angular, C++, DevOps, Kubernetes, Active MQ, N-Unit Testing, Git, GitHub, Cypress, Postman
1mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEMinimum 5 years software/systems engineering experience, proficiency in C++, Python or Java, Secret clearance, familiarity with systems engineering, IPTs, and test events; Bachelor’s in CS/Software Engineering preferred (experience may substitute).
C++, Python, Java, Kubernetes, NGTS, SIMDIS, TAK, AIDP, AFATDS, MEPED, JSDR, EWC2, EWPMT-X
3d
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Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOEBS in CS/EE/CE, 3+ years software development experience (control systems preferred), active DoD Secret clearance, ability to travel ~10%, onsite >=50%, proficiency in C/C++/C#/Java, Linux, version control, and technical documentation.
Microsoft.NET Framework, Windriver Workbench, Tornado IDEs, Linux, C, C++, C#, Java, JIRA, Confluence, SVN, Git, Matlab, Labview, MS Access, SQL
2w
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Software Engineer
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
0+ YOEBachelor's in engineering discipline; 0–3 years developing in C, C++, and/or C#; active or ability to obtain DoD Secret clearance; US citizenship and valid/obtainable US passport; ability to travel 10–20%.
Microsoft Visual Studio, Git, Microsoft Visio, Microsoft Access, Microsoft .NET Framework, C, C++, C#, SQL
2mo
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Software Developer | C++ | ETF | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in CS/Engineering/Math or equivalent, 5+ years C++ development experience, familiarity with financial markets a plus, strong performance optimization and latency-reduction skills, ability to work with traders/quants/infrastructure.
C++
1mo
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Software Developer
Philadelphia, Pennsylvania, United States
$92k-$154k/yr HybridFull Time
3+ YOE3+ years software/product development; degree in engineering, computer science, math, or physics; experience with C#/.NET, C++, JavaScript; strong debugging, communication, and design skills.
C#/.NET, C++, JavaScript
2mo
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Software Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
2+ YOEBachelor’s in CS or equivalent; 2+ years C++ software development; OO C++; real-time, multi-processor software; Linux; Git/GitLab; UML; automated testing; embedded applications.
C++, Linux, Git, GitLab, Confluence, UML, Automated Testing Tools
5d
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Associate Principal Engineer - Senior C++ Developer
Fort Washington, Pennsylvania, United States
OnsiteFull Time, Contract
10+ YOE10+ years C++ development experience, proficient with STL, COM/DCOM, BOOST, multi-threaded programming, OO analysis/design; English (required) and German (preferred) communication skills.
C++, STL, COM/DCOM, BOOST, Tcl/Tk, Python
1w
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Airborne Software Engineer
Fort Worth or King of Prussia or Orlando or Marietta
OnsiteFull Time
3+ YOESecret clearance, 3+ years experience in embedded/real-time software, strong C/C++ and Linux skills, Python for test automation, hardware/software integration and debugging experience.
C, C++, Linux, gdb, Python, GitLab, GitLab CI, Jira, Confluence
4w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
3w
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Software Developer (.NET/C#) – NAVSUP Programs
Philadelphia, Pennsylvania, United States
HybridFull Time
0+ YOEBachelor's in CS/IT/SE, active or obtainable Secret clearance, 0–4 years development experience, proficiency with C#, ASP.NET MVC, SQL Server, HTML, JavaScript, REST/Web Services, OOP, relational DBs, troubleshooting, and Agile teamwork.
C#, ASP.NET, MVC, SQL Server, HTML, JavaScript, REST APIs, Web Services, WebRoR, EFTS, SCIP, VersionOne, Azure DevOps, Jira
1mo
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Software Engineer
Arlington or Mount Laurel or Fall River or San Diego
$74k-$184k/yr HybridFull Time
0+ YOEBachelor's degree or equivalent, 0–5 years experience, ability to obtain/maintain Secret clearance, familiarity with combat/tactical systems, proficiency in C/C++/Python/JavaScript/Java, Linux and Git, Agile and DevSecOps practices.
C, C++, Python, JavaScript, Java, TypeScript, Linux, shell scripting, Git, Make, Maven, Ant, X-Windows, Model Based System Engineering (MBSE), Jenkins, Jira, Atlassian, VMWare vSphere, Azure, AWS, GCP, Hadoop, Spark, Kafka, Cassandra, GitHub Copilot, ChatGPT, Claude, Cursor, Codeium, React, Angular, Vue, Storybook, Postgres, REST, gRPC, SQL, TCP/IP, UDP, CORBA, DDS, Windows
3mo
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T2028 - Software Engineer
Moorestown, New Jersey, United States
$88k-$149k/yr OnsiteFull Time
2+ YOEBachelor’s degree in Engineering/Computer Science/Math or related field; 2-4 years real-time software experience; Java/C++/Python; Agile; Linux/Unix; design patterns.
Java, C++, Python, Linux, UNIX, Eclipse, UML, ClearCase, JIRA, xUnit, JUnit, CPPUnitLite, CMMI 5 Life Cycle Processes