252 c software developer jobs at 88 companies in Newark, DE

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
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
The GBS Group
The GBS Group: Provides technical engineering and maintenance services for infrastructure assets.
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
2mo
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Software Developer | C++ | Prediction Markets | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteMultiple Commitments Available
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
Proficient in C++ with software development experience in finance or prediction markets.
C++, Software Development
1mo
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C++ Software Engineer (Senior, Staff, or Lead)
Philadelphia, Pennsylvania, United States
$135k-$185k/yr OnsiteFull Time
Ghost Robotics
Ghost Robotics: Developing autonomous quadrupedal robots for defense and industrial applications.
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# | ETF | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
3+ YOE3+ years software development in object-oriented languages (Python, JavaScript/TypeScript, C++). BS/MS in CS/CE or related field. Visa sponsorship available.
Python, JavaScript/TypeScript, C++, React, Linux
3mo
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C++ Engineer
Lancaster or Moscow or United States
HybridFull Time
Koble
Koble: Develops and sells ERP software for small businesses.
3+ YOEMid-level C++ experience; knowledge of C#, Rust, and JScript; SQL/PostgreSQL; familiarity with Windows tech like COM/MFC; experience refactoring large codebases.
C++, C#, Rust, JScript, SQL, PostgreSQL, COM, MFC, Windows
6d
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Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Green Expert Technology
Green Expert Technology: Provides engineering and technical services for government defense programs.
3+ YOEBachelor's in CS/EE/CE, 3+ years software development experience, active DoD Secret clearance, familiarity with C/C++/C#/Java, Linux, version control, JIRA/Confluence, testing, and technical documentation.
Microsoft .NET Framework, Windriver Workbench, Tornado IDEs, Linux, C, C++, C#, Java, JIRA, Confluence, Git, SVN, Matlab, Labview, MS Access, SQL, TCP/IP, UDP
1mo
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Lead Software Engineer - C# / .Net
Wilmington, Delaware, United States
$128k-$214k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and wealth management banking services.
5+ YOE5+ years systems analysis/application development (or 7+ with associate). Expert C#/.NET experience, RESTful API and service architecture, DevOps/CI/CD familiarity, exposure to Angular, strong analytical and communication skills.
C#, .NET, RESTful APIs, Angular, CI/CD, DevOps, SDLC, Loan IQ, Finastra
1mo
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Software Developer | C++ | ETF | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
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++
1w
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Software Developer (.NET/C#) – NAVSUP Programs
Philadelphia, Pennsylvania, United States
HybridFull Time
ITC Defense
ITC Defense: Provides engineering and logistics services to defense organizations.
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 Developer
Philadelphia, Pennsylvania, United States
$92k-$154k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
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
1mo
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Software Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
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
3d
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Software Engineer
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
Noblis
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
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
1mo
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Senior Software Engineer (C++ Development, Radar Signal Processing)
Moorestown, New Jersey, United States
$91k-$181k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEBachelor's in CS or equivalent, minimum 5 years C++ development with object-oriented C++, experience with embedded applications and static code analysis, automated test techniques, ability to obtain/maintain U.S. DoD SECRET clearance (U.S. citizenship required).
C++, UML, Linux, Unix, bash, Python, Git, JIRA, Confluence, Docker, Podman, CI/CD, Static Code Analysis
5d
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Software Developer
Exton or Philadelphia
RemoteFull Time
CAP Index
CAP Index: Provides data-driven crime risk forecasting and security management solutions.
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
Java, Python, C#, JavaScript, Linux, Windows
3mo
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1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
2mo
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Software Engineer
Moorestown, New Jersey, United States
$88k-$149k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
2+ YOE2-4 years in software development; Java/C++/Python; Bachelor's degree or equivalent; DoD Secret clearance; Linux/UNIX; Agile; OO design; UML; test environments.
Java, C++, Python, Linux, UNIX, Eclipse, UML
2mo
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Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
Novacore
Novacore: Independent specialty insurance provider for niche markets.
2+ YOE2+ years software development experience; C#, Typescript, Python; Azure; CI/CD; GitHub; JIRA; Agile; HTML/CSS; JavaScript; UI/UX; insurance domain experience preferred.
C#, Typescript, Python, HTML, CSS, JavaScript, Azure, GitHub, JIRA, CI/CD, Microsoft stack, UI/UX
1mo
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Senior Software Engineer
Arlington or Mount Laurel or Fall River or San Diego
$114k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: A defense technology delivering mission-critical software, automation, and systems solutions to government customers.
5+ YOESecret clearance eligibility, 5+ years software experience, Bachelor's in CS or equivalent, proficiency in C/C++, Python, Java/JavaScript, Linux, Git, SOA, DevSecOps, Agile, and experience modernizing legacy tactical systems.
C, C++, Python, JavaScript, Java, Linux, shell scripting, Git, REST, gRPC, Postgres, Make, Maven, Ant, X-Windows, MBSE, Jenkins, Jira, Atlassian, VMWare vSphere, Azure, AWS, GCP, Hadoop, Spark, Kafka, Cassandra, GitHub Copilot, ChatGPT, Claude, Cursor, Codeium, React, Angular, Vue, Storybook, TCP/IP, UDP, CORBA, DDS, DevSecOps, Service-Oriented Architecture (SOA)
1mo
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Senior Software Engineer
Horsham, Pennsylvania, United States
$81k-$132k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
5+ YOEBachelor's in EE or CS, 5+ years embedded software experience, 3+ years optical networking experience, expertise in C/C++, familiarity with L2/L3 protocols, CI/CD and DevOps practices, and proficiency with Embedded Linux.
C, C++, Go, Python, SONiC, FRRouting, Open vSwitch, LLDP, OSPF, BGP, Netconf, Open Config, Yang models, Embedded Linux, CI/CD, DevOps