221 csharp jobs at 109 companies in Phoenixville, PA
1mo
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Platform Analyst Advisor/Manager
Sioux Falls or Scottsdale or Louisville or Troy or Franklin or Easton or United States
$86k-$145k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent and typically 8+ years related experience; expertise in system planning, requirements definition, SDLC/Agile, Python, .NET, C#, Azure DevOps; strong communication, mentoring, and documentation skills.
Agile, Lean, Kanban, Amazon Q/Kiro, Python, .NET, C#, Azure DevOps, Azure, AWS
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Lead Mechanical Engineer
Bethlehem, Pennsylvania, United States
OnsiteFull Time
20+ YOEBSME or related degree required; 20+ years turbomachinery/rotating machinery design experience; advanced FEA, rotordynamics, bearings, CAD and programming skills a plus; strong analytical, communication, mentoring, and problem-solving abilities.
FEA, 2D CAD, 3D modeling, VB, C#, C++, Python, Matlab, Fortran
1mo
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Software Engineer II *** EST Preferred - Hybrid in Horsham, PA
Horsham, Pennsylvania, United States
$72k-$119k/yr HybridFull Time
1+ YOEBS in CS or equivalent,1+ years software engineering experience,proficiency with SQL/PL/SQL and Oracle,programming in C#/.NET,Java,JavaScript or C/C++,experience with automated testing and version control.
SQL, PL/SQL, Oracle, C#/.NET, Java/J2EE, JavaScript, C/C++, HTML, XML, xUnit, NUnit, MSTest, Git
2mo
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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
1mo
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Software Developer/Data Scientist
Philadelphia, Pennsylvania, United States
$79k-$123k/yr HybridFull Time
3+ YOEBachelor's +5 years or Master's +3 years; strong knowledge of C#, javascript, aspx, sql, Python, R, C/C++, xml; experience with Matplotlib, Numpy, Pandas, PGMpy, Scikit-learn, SciPy; Git and modern development practices; machine learning and data visualization skills; US citizen able to obtain Secret clearance.
C#, javascript, aspx, sql, Python, R, C/C++, xml, Git, Matplotlib, Numpy, Pandas, PGMpy, Scikit-learn, SciPy, PowerBI, Oracle, NAVLOGTD, LLMs, Agile
1w
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(Sr.) Engineer I (II)
Audubon, Pennsylvania, United States
HybridFull Time
5+ YOEBS in Engineering or equivalent,5+ years programming in Python and/or C#,experience building analytical/automation tools for power system studies,quantitative analysis and troubleshooting skills.
Python, C#, JIRA, GitLab, Microsoft VSTO, Angular, PSS/e, Aspen Oneliner, TARA, CoPilot
2w
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Mechatronics Engineer
Boothwyn, Pennsylvania, United States
HybridFull Time
3+ YOEBachelor's degree in engineering, 3+ years hands-on engineering experience, circuit and PCB design, electrical instrumentation, programming in C/C#/TestStand, troubleshooting and documentation skills.
C, C#, TestStand, PXIe, DMM, Oscilloscope, PSU
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AI Cybersecurity Engineer
Oaks, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years cybersecurity engineering experience with 2+ years focused on AI/ML security; expertise in adversarial ML, model security, cloud and MLOps; proficiency in Python and AI frameworks; demonstrated technical leadership.
TensorFlow, PyTorch, scikit-learn, Hugging Face, AWS, Azure, OCI, GCP, Python, Java, C#, Go, Docker, Kubernetes, MLOps, MLSecOps, CI/CD, RAG, OWASP LLM Top 10, MITRE ATLAS, NIST AI RMF, ISO 27001, SOC 2, Model Context Protocol (MCP), RPA, APIs
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Supply Chain Engineer II
Kutztown, Pennsylvania, United States
OnsiteFull Time
1+ YOEBachelor's degree required, 1+ years supply chain/engineering experience, Lean Six Sigma project experience, SQL/Access/Alteryx database skills, data manipulation/programming ability, and up to 25% travel.
SQL, Microsoft Access, Alteryx, AutoCAD, Warehouse Management System (WMS), API/EDI, VBA, Python, R, Matlab, Java, C++, C#
3d
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Staff AI/ML Engineer (Large Language Model)
King of Prussia, Pennsylvania, United States
$108k-$228k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance, BS in relevant field, 8+ years experience (2+ building LLM applications), experience fine-tuning models, RAG, Python, ML libraries, version control, and leading teams.
PEFT, llama factory, Weaviate, pinecone, pgvector, LangChain, DSPy, Microsoft Agent Framework, AWS Bedrock, OpenAI, llama.cpp, vllm, tgi, ReAct, NumPy, Pandas, Polars, scikit-learn, git, GitLab, Bitbucket, HuggingFace, LangFuse, MLFlow, Arize Phoenix, Gymnasium, OpenEnv, TorchRL, RLlib, Stable Baselines, CuPy, Numba, CuSignal, CuDF, EC2, S3, Lambda, Podman, Docker, Kubernetes, Rancher, Java, C++, Rust, Go, C#, Python
2w
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Senior Process Engineer
Hatfield, Pennsylvania, United States
OnsiteFull Time
8+ YOEB.S. in engineering or physics, 8+ years new-product electromechanical experience, hands-on assembly/debug, Python/XML scripting, SolidWorks, test plan development, ability to lift 40 lbs.
Python, XML, SolidWorks, MATLAB/Simulink, LabVIEW, C#
2mo
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Sr. Full Stack Software Developer (Camden, NJ, US)
Camden, New Jersey, United States
$120k-$150k/yr OnsiteFull Time
10+ YOESenior-level full-stack developer with 10+ years in enterprise environments; strong C#, .NET, REST, front-end tech, SQL Server, security, and architecture leadership.
C#, NET Core, NET Framework, REST, Blazor, HTML5, CSS3, JavaScript, Bootstrap, SQL Server, OAuth2, OIDC, Azure AD/Entra ID, Git, CI/CD, Docker, CQRS
1w
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DEXIS Sr. Full Stack Software Engineer, Cloud (Quakertown, PA)
Quakertown, Pennsylvania, United States
$130k-$153k/yr OnsiteFull Time
8+ YOEBachelor's degree in CS/EE/ME or related,8+ years experience,expertise in full-stack web, backend services, cloud-native Azure solutions, databases, security and regulatory compliance for medical imaging.
C#, .NET, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Blob Storage, Microsoft Azure Key Vault, Docker, SQL Server, PostgreSQL, React, TypeScript, JWT, SSO, OAuth 2.0, RBAC, CI/CD, Terraform, YAML, DICOM, CBCT, API gateways
2mo
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Control Systems Engineer
Newark, Delaware, United States
HybridFull Time
5+ YOEBachelor’s degree in EE/EET/ME/MET/ChemE or related field; 5 years controls experience; Rockwell PLCs; industrial programming languages; electrical schematics; 20-30% travel.
Rockwell PLCs, Modicon PLCs, Rockwell HMIs, InTouch HMIs, AutoCAD, Emerson PLCs, GE PLCs, GE HMIs, Siemens PLCs, Ignition HMI, Wonderware System Platform, C++, C#, Python, MS SQL Server, Historian, Proficy
1mo
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Test Automation Engineer
Broomall or United States
$80k-$118k/yr RemoteFull Time
3+ YOE3+ years QA experience with 2+ years in test automation, Bachelor's or equivalent, hands-on automation in TypeScript/JavaScript, C#, or Python, experience with Selenium, Playwright, Postman, CI/CD and observability tools; US work authorization required.
Selenium, Playwright, Postman, TypeScript, JavaScript, C#, Python, Datadog, CI/CD
2w
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Firmware Software Engineer - Reading, PA
Reading, Pennsylvania, United States
OnsiteFull Time
3+ YOEExperience developing embedded Linux C++ and C# applications, multithreaded real-time systems, peripheral interfaces and communication protocols, Git/Azure DevOps use, QT/QML UI, and implementing device security and OTA updates.
C++, C#, Linux, Git, Azure DevOps, Qt, QML, I2C, SPI, UART, PWM, DMA, ADC, DAC, WiFi, BLE
1mo
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Sr Lead Security Engineer - Workforce
Wilmington or Columbus
OnsiteFull Time
5+ YOE5+ years software/security engineering experience; hands-on cloud security (AWS/GCP/Azure); threat modeling (STRIDE/DREAD/PASTA); programming/scripting (Python, C/C#, Go, Java); CI/CD, version control, and secure SDLC experience.
AWS, GCP, Azure, Python, C/C#, Go, Java, Jenkins, GitHub Actions, Git, BitBucket, Jira, Kubernetes, AWS Security Hub, Azure Sentinel, GCP Security Command Center, Terraform, Ansible, MITRE ATT&CK, NIST, CIS, STRIDE, DREAD, PASTA
4d
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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
3w
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Software Engineer - AI Accelerated Development
Blue Bell, Pennsylvania, United States
OnsiteFull Time
Full-stack .NET (C#/ASP.NET Core) developer with hands-on agentic AI experience, LLM API integration (Anthropic/OpenAI/Bedrock/Azure OpenAI), daily Claude Code use, Python proficiency, and observability for AI features.
.NET, C#, ASP.NET Core, Claude Agent SDK, Claude Code, Anthropic, OpenAI, Bedrock, Azure OpenAI, Qdrant, pgvector, Pinecone, Python, Model Context Protocol (MCP)
1w
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Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
Strong C#/.NET Core development skills, front-end framework and JavaScript/TypeScript proficiency, experience with Entity Framework Core, SQL Server, Azure Functions, AI-assisted tools, and test automation.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, MediatR, Fluxor, Polly, Docker, Kubernetes, Artillery, JMeter, K6, Locust, Azure AI Foundry, Azure OpenAI Service, Git, React, Angular, Vue, JavaScript, TypeScript