110 net engineer jobs at 68 companies in Downingtown, PA

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Sr .NET Developer
King of Prussia, Pennsylvania, United States
$68-$70/hr HybridContract
Cayuse Holdings
Cayuse Holdings: Delivers IT services and mission support to government agencies.
8+ YOE3+ Mgmt8+ years .NET development experience, 3+ years leading teams, strong C#/.NET, RESTful API, SQL Server, Entity Framework, Azure, Git; bachelor's in CS/IT or equivalent.
C#, .NET Framework, .NET Core, .NET 8, ASP.NET MVC, ASP.NET Core, RESTful APIs, SQL Server, Entity Framework, Azure, Git, Azure DevOps, Docker, Kubernetes, Angular, React, Vue.js
3w
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Senior .NET Developer
Crum Lynne or Chicago or Reston or Boca Raton
$90k-$150k/yr RemoteFull Time
TransUnion
TransUnionNYSE: TRU: Provides global credit reporting and risk management information solutions.
5+ YOE5+ years building enterprise .NET applications, strong architecture and database skills, Agile experience, cloud and CI/CD familiarity, Bachelor's degree or equivalent experience.
C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, .NET Core, .NET 5, .NET 6, Microsoft Visual Studio, SQL Server, PostgreSQL, AWS, Autofac, Ninject, Unity, CI/CD
2w
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Senior .NET Developer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Amyx
Amyx: Provides IT and management services to federal government agencies.
5+ YOEUS citizen with 5+ years .NET experience, expertise in C#, ASP.NET, MVC, Angular, SQL/Oracle, unit testing, and Azure DevOps; ability to obtain NACLC and DoD 8570/8140 certifications preferred.
ASP.NET Web Forms, ASP.NET MVC, C#, Angular, Oracle Database, Informatica PowerCenter, HTML, JavaScript, TypeScript, jQuery, Ajax, Entity Framework, Angular Material, Infragistics, Kendo UI, DevExpress, xUnit, nUnit, MS Tests, Jasmine, JEST, .NET Framework 4.8, .NET Core, Microsoft Visual Studio, Microsoft VS Code, Azure DevOps Server, SQL, Oracle SQL, PL/SQL, TOAD, Microsoft Team Foundation Server, Microsoft Office Suite
2mo
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Backend .NET Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOE5+ years backend development with C#/.NET, REST APIs, SQL/EF Core, CI/CD, automated testing, Git, cloud (Azure preferred), spec-first workflows (OpenSpec) and experience mentoring teammates.
C#, Microsoft .NET, ASP.NET Core, ASP.NET Core Web API, SQL, Entity Framework Core, Git, Azure, OpenSpec, GitHub Spec Kit, CI/CD
2d
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.NET Software Developer
Warminster, Pennsylvania, United States
OnsiteFull Time
ProviderSoft
ProviderSoft: Provides practice management and billing software for early childhood programs.
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
2mo
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
Hands-on .Net engineering for high-throughput payment platforms, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD, Jenkins, and platform leadership; AI/ML integration and strong stakeholder communication.
.Net, React, Kafka, Oracle, Microsoft SQL, MongoDB, Spring MVC, Spring Boot, REST APIs, Jenkins, Gradle, Maven, Grafana, OpenShift, AWS, Kubernetes, Docker, GitHub Copilot, Gemini, LLMs, JVM, CI/CD, TDD, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++
2mo
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Irving
$156k-$234k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
10+ YOE10+ years .Net experience, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD (Jenkins, Gradle/Maven), JVM performance tuning, API design, secure engineering, Agile/SAFe. Bachelor's required; Master's preferred.
.Net, REST APIs, Spring MVC, Spring Boot, Kafka, Oracle, Microsoft SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, CI/CD, Jenkins, Gradle, Maven, Grafana, GitHub Copilot, LLMs, Gemini, JVM, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++, React
1mo
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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
TransCore
TransCore: Provides electronic tolling and intelligent traffic management solutions.
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
1d
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Software Engineer (.Net)
Bethlehem, Pennsylvania, United States
OnsiteFull Time
Dover
DoverNYSE: DOV: Manufactures diversified industrial equipment and engineered components globally.
3+ YOEBachelor's degree in computer science, engineering, or equivalent; 3+ years of web software development experience with C#, .NET, HTML, CSS, JavaScript, MS-SQL, RESTful APIs, Angular, and IIS.
ASP.NET, HTML, CSS, Java, JavaScript, C#, .NET Framework, Microsoft SQL Server, RESTful APIs, JSON, jQuery, Angular, IIS, SSRS, RS232, USB, Entity Framework, LINQ, SQL, SQL commands, Triggers, Stored Procedures, Software Development Life Cycle (SDLC)
1d
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Software Developer / Senior Software Developer (C# / .NET)
Mount Laurel, New Jersey, United States
$120k-$150k/yr RemoteFull Time
Persante Health Care
Persante Health Care: Manages sleep and balance diagnostic centers for healthcare providers.
5+ YOERequires 5+ years of software engineering experience, C# or Java, .NET, REST APIs, SQL Server, PostgreSQL, Entity Framework, Git, Docker, Azure, and strong analytical and communication skills.
C#, .NET, ASP.NET Core, REST APIs, Entity Framework, Microsoft SQL Server, PostgreSQL, Git, Docker, Microsoft Azure, Azure App Services, Azure SQL, Azure Storage, Azure Functions, Azure Key Vault, Azure DevOps, Docker Compose, OAuth2, OpenID Connect, JWT, Microsoft Entra ID, CI/CD, Object-Oriented Programming (OOP), SOLID Principles, Design Patterns, Unit Testing, Agile/Scrum, Code Reviews, Claude Code
2w
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.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
PMHCC
PMHCC: Provides administrative and management services for public behavioral health programs.
3+ YOE3+ years .NET development experience; proficiency with C#, ASP.NET Core/MVC/Web API, Microsoft SQL Server, secure coding and HIPAA compliance; strong communication and problem-solving skills.
C#, ASP.NET Core, Razor Pages, MVC, Web API, HTML, CSS, JavaScript, Microsoft SQL Server, Git, Azure DevOps, Azure Boards, ASP.NET Core Identity, Azure AD (Entra ID), RESTful APIs
1mo
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Test Engineer 3
Newark, Delaware, United States
$122k-$203k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
2+ YOEDesign and develop manufacturing test equipment and software; perform verification/validation; experience with electro-mechanical systems, PCB/soldering, analog/digital electronics, sensors; programming (C/C++, .NET, LabVIEW, Visual Basic, PLC); SolidWorks; knowledge of FDA and manufacturing quality methods.
Microsoft Office, SolidWorks, C, C++, .NET, LabVIEW, CVI, Visual Basic, PLC Ladder Logic
3mo
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Engineer I, Controls
Pennsauken Township, New Jersey, United States
$106k-$135k/yr OnsiteFull Time
Medical Manufacturing Technologies
Medical Manufacturing TechnologiesNYSE: PRM: Designs and manufactures precision equipment for medical device production.
1+ YOEBachelor’s degree in Electrical/Mechanical/Computer/Controls Engineering; 1+ year hands-on product design in automated manufacturing; PLC programming; HMI; robotics; .NET C# knowledge preferred.
PLC, Mitsubishi FX3/FX5, Beckhoff, FANUC, Siemens, Allen Bradley, HMI, Robot programming, NET C#, Autodesk Inventor, Inventor Vault, SolidWorks, Epicor, Vision systems
2w
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
United States or Philadelphia
RemoteFull Time
CoverGo
CoverGo: No-code insurance platform for life, health, and P&C insurers.
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years leading teams, proficiency with .NET Core/C#, GraphQL, MongoDB, Docker, JavaScript and Vue.js/React, cloud platforms, TDD and DDD, strong communication and problem-solving.
.NET Core, C#, GraphQL, MongoDB, Docker, JavaScript, Vue.js, React.js, AWS, Azure, Google Cloud
1mo
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Full Stack Engineer
Broomall, Pennsylvania, United States
$100k-$120k/yr RemoteFull Time
Xactus
Xactus: Provides verification and credit reporting for mortgage lenders.
3+ YOE3+ years professional software development with C#/.NET and SQL Server; experience with ASP.NET Web Forms, Angular, TypeScript/JavaScript; exposure to .NET Core and Azure; strong communication and problem-solving; US work authorization required.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, Azure Devops, Terraform, Terragrunt, HTML, CSS
1mo
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Principal Solutions Engineer
Malvern, Pennsylvania, United States
HybridFull Time
Crane NXT
Crane NXTNYSE: CXT: Provides industrial technology for secure payments and product authentication.
5+ YOE5+ years software development experience in retail payments with expertise in POS integration, remote teamwork, Microsoft .NET Framework & Linux, C++/C#/Java, REST API and data exchange specifications.
Microsoft .NET Framework, Linux, C++, C#, Java, REST API
1mo
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Senior DevOps/SRE Engineer
Chicago or Oaks
$140k-$170k/yr HybridFull Time
SEI
SEINASDAQ: SEIC: Provides technology and investment solutions for financial services institutions.
8+ YOEBA/BS or equivalent, 8+ years in DevOps/SRE/platform engineering, strong CI/CD (Jenkins, Git), AWS and IaC (Terraform/CloudFormation), observability experience, scripting (Bash, Python, PowerShell), and strong communication.
Jenkins, Git, Elastic Stack, OpenSearch, AWS, Terraform, CloudFormation, Java, NodeJS, .NET, Bash, Python, PowerShell, Claude Code, GitHub Copilot, Windsurf
4d
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Lead Software Engineer - Murex
Philadelphia or Denver or Cedar Rapids
$111k-$135k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering; Murex development; Java, .NET/C#, SQL, integrations, ETL, reporting, troubleshooting, and derivatives lifecycle knowledge.
Murex, MxML, SQL Server, Oracle, SSIS, AWS Glue, SSRS, Microsoft Excel, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Docker, OpenShift, Kubernetes, Java, .NET, C#, Python, Swagger, OpenAPI, Kafka, REST APIs, Spring Framework, J2EE, Control-M, Kiro, Microsoft Windows Server, Linux, Unix, Excel VBA
1mo
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Manufacturing IT Support Engineer
Lansdale, Pennsylvania, United States
$90k-$140k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE.Net (.Net Core/.Net Framework), ASP .Net, VB.Net, SCADA, SQL/Oracle, ServiceNow experience; stakeholder management, incident/change/problem processes; bachelor's in computer science; 8+ years experience.
.Net, .Net Core, .Net Framework, ASP .Net, VB.Net, SCADA, SQL, Oracle, ServiceNow
2mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
Convergix Automation Solutions: Designs and integrates custom industrial automation and control systems.
Experience in manufacturing software, MES/IIoT, industrial controls and PLC platforms; systems analysis, architecture, and solution design; development using Python/Java/JavaScript/.NET; familiarity with databases and network architecture.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, MQTT, Azure DevOps, AWS, Node-Red, Docker, Ignition Platform (Inductive Automation), Sepasoft, Cirrus Link Solutions