1,198 junior software jobs at 538 companies in New Castle, DE
2mo
Save
Mark Applied
Hide
Engineer, Software
Fort Washington, Pennsylvania, United States
OnsiteFull Time
Experience with C++, real-time control software, multi-threading; bachelor’s degree in CS/CE/SE; strong OO design; STL/Boost preferred.
C++, STL, Boost, Real-time systems, Multithreading, Object-oriented design
2mo
Save
Mark Applied
Hide
Ground Software Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
1+ YOEBS degree and typically 1+ years software development experience; active Top Secret clearance with SCI eligibility required; experience with Scaled Agile, DevSecOps, and modern software development tools.
Java, C#, Rust, Angular, Python, Apache Kafka, Apache ActiveMQ, ELK Stack, OpenSearch, PostgreSQL, Redis, Helm, Kubernetes, Git, DevSecOps, CI/CD
5d
Save
Mark Applied
Hide
Software Engineer
Philadelphia, Pennsylvania, United States
$77k/yr OnsiteFull Time
1+ YOEBachelor's degree in computer science or related field; 1+ year Python, Django, Azure DevOps, SQL Server or Azure Database, and professional software development experience; CI/CD experience required.
Python, Django, Azure DevOps, SQL Server, Azure Database, CI/CD, pandas, XlsxWriter, xlrd, openpyxl, pyodbc, SQLAlchemy, HTML, CSS, JavaScript, Bootstrap, Internet Information Services (IIS), Microsoft Visual C# .NET, Microsoft Visual Basic .NET, VBScript, SSIS, Defense Travel System (DTS), Microsoft Excel
1w
Save
Mark Applied
Hide
Software Engineers
Moorestown, New Jersey, United States
$72k-$130k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent, U.S. citizenship with active Secret DoD clearance, 2+ years real-time mission-critical software experience; proficiency in Java/C++/Python, UNIX/Windows, object-oriented design, and UML.
Java, C++, Python, Windows, Solaris, Linux, Eclipse, UML, Clearcase, JIRA, xUnit, JUnit, CPPUnitLite, MS Office, Assemblers
3w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Software Engineer - AI Development
Rahway or North Wales or West Point
$87k-$137k/yr HybridFull Time
Bachelor's degree in computer science, software engineering, information technology, or related field; software development fundamentals; problem-solving, collaboration, and technical communication skills.
Amazon Web Services (AWS), React, Python, Databricks, Microsoft Power Platform, GitHub, Microsoft SharePoint, JavaScript, TypeScript, Microsoft Azure
3w
Save
Mark Applied
Hide
Software Engineer - II
Moorestown, New Jersey, United States
$72k-$100k/yr OnsiteFull Time
0+ YOEBachelor's degree or equivalent, U.S. citizenship and ability to obtain secret clearance, 0-2 years real-time mission-critical software experience, proficiency in object-oriented design and EM/IDE tools.
Java, C++, Python, Windows, Solaris, Linux, UNIX, Microsoft Office, Eclipse, UML, Clearcase, JIRA, xUnit Framework, JUnit, CPPUnitLite, Assemblers
2mo
Save
Mark Applied
Hide
Associate Software Engineer
Mount Laurel, New Jersey, United States
$74k-$150k/yr OnsiteFull Time
0+ YOEBachelor's degree (or equivalent) in a technical field, 0–3 years professional software development experience, proficiency in C++, Java, Python, or JavaScript, familiarity with Git, Linux, SQL/PostgreSQL, container tech, and ability to obtain/maintain a Secret clearance.
C++, Java, Python, JavaScript, Git, Linux, SQL, PostgreSQL, Docker, Podman, OCI, Bash, PowerShell, Groovy, CI/CD, DevSecOps
3w
Save
Mark Applied
Hide
Associate Software Engineer
Audubon, Pennsylvania, United States
OnsiteFull Time
0+ YOEC++ (C++17+) software development for medical devices, familiarity with Qt/QML, Git, Visual Studio/VS Code, Windows, strong communication and problem-solving; Bachelor's or Master's degree; 0-3 years programming experience; willing to attend cadaver labs and surgeries.
C++17, Qt, QML, VisualStudio, VisualStudio Code, GIT, Windows, Microsoft Teams, Microsoft Office, TDD
1mo
Save
Mark Applied
Hide
Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
6d
Save
Mark Applied
Hide
Software Engineer - Hammerhead (4192)
Phoenixville or Colorado Springs
$95k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree in computer science, computer engineering, or equivalent; 2+ years of software development experience; English communication skills; Android/Kotlin, testing, CI/CD, Git, cloud, and embedded-device experience.
Kotlin, Android, iOS, Git, AWS, Cloudflare, CI/CD
1w
Save
Mark Applied
Hide
Software Engineer - AI Development
Rahway or North Wales or West Point
$87k-$137k/yr HybridFull Time
Bachelor's degree in a related field or equivalent experience; software fundamentals, programming, testing, debugging, version control, problem solving, collaboration, and technical communication required.
Amazon Web Services (AWS), React, Python, Databricks, Microsoft Power Platform, GitHub, Microsoft SharePoint, JavaScript, TypeScript, Microsoft Azure
2mo
Save
Mark Applied
Hide
Software Engineer I
Moorestown, New Jersey, United States
OnsiteFull Time
0+ YOEBachelor’s degree in engineering or computer science; 0-2 years software development; strong problem-solving; team player; US citizen with interim or active security clearance (secret or higher).
1d
Save
Mark Applied
Hide
.NET Software Developer
Warminster, Pennsylvania, United States
OnsiteFull Time
Bachelor's degree preferred in computer science or related field; web application programming experience with Microsoft SQL Server and ASP.NET; application design-to-deployment experience and software solution development skills.
.NET, Microsoft SQL Server, OCR, IVR, ASP.NET, VB.NET
1mo
Save
Mark Applied
Hide
Software Engineer I- Bala Cynwyd, PA
Bala Cynwyd, Pennsylvania, United States
$55k-$68k/yr OnsiteFull Time
0+ YOEBachelor's in Computer Science/MIS/Software Engineering required; 0-2 years software development experience; knowledge of SDLC, unit testing, integrations, APIs, and strong communication skills.
Microsoft Visio, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Access
10h
Save
Mark Applied
Hide
Associate Software Engineer III - Digital Products
Reading, Pennsylvania, United States
HybridFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
2+ YOEBachelor's degree in computer science, software engineering, or equivalent experience; 2–4 years in software development; full-stack experience with Java, React, Angular, JavaScript, SQL, and related technologies.
Java, React, Angular, jQuery, HTML, CSS, JavaScript, Spring, Spring-MVC, myBatis, RESTful APIs, SQL, Agile
1w
Save
Mark Applied
Hide
Software Engineer - Secret required
Aberdeen, Maryland, United States
$112k-$196k/yr OnsiteFull Time
Design, develop, and maintain scalable software and integrations for defense customers; active Secret clearance required; bachelor’s degree in a quantitative field; strong programming and problem-solving skills.
MOSA, ISA, Agile, DEVOPS/DEVSECOPS
1w
Save
Mark Applied
Hide
Entry-Level Software Engineer
Dallas or Seattle or Houston or San Francisco or Chicago or Philadelphia or El Segundo or Atlanta or New York
$80k-$92k/yr HybridFull Time
Pursuing a Bachelors or Masters in MIS, Computer Science, or Computer Engineering (graduation Dec 2026–Aug 2027); legal US work authorization without sponsorship; software development or internship experience; strong communication and problem-solving skills.
AWS, Azure, Google Cloud, Databricks, PySpark, CI/CD, Docker, Terraform, Azure OpenAI, AWS Bedrock, LangChain, Python, Java, SQL, JavaScript, .NET, React, Angular
1mo
Save
Mark Applied
Hide
Salesforce Software Engineer
Pennsylvania or Florida or Dresher
RemoteFull Time
2+ YOEMinimum 2 years software engineering experience with Salesforce Service Cloud; knowledge of Lightning Web Components, Apex, JavaScript/jQuery, integrations, CI/CD, Agile/Scrum, automated testing, and strong communication skills.
Salesforce, Salesforce Service Cloud, Lightning Web Components, Apex, JavaScript, jQuery, JS Frameworks, Agile, Scrum, Continuous Integration, Continuous Delivery
2w
Save
Mark Applied
Hide
Software Engineer - Navy Training Software
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
Bachelor's in an engineering discipline, active or adjudicable DoD Secret clearance, US citizenship and valid/obtainable US passport, ability to travel ~10%, experience with MATLAB/Simulink toolchain and C/C++ development, able to meet naval industrial physical demands.
MATLAB, Simulink, Simulink Coder (Real-Time Workshop), Microsoft Visual Studio, Git