27 net core developer jobs at 22 companies in Yardley, PA
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Backend .NET Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
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
1w
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.NET Full Stack Developer
Woodbridge, New Jersey, United States
$81k-$105k/yr OnsiteFull Time
Hands-on .NET full-stack development with C#, .NET Core/Framework, React JS, API/microservices, and cloud (AWS) experience. Bachelor\u0002s or equivalent experience required. Strong communication and SDLC skills.
.NET, C#, .NET Core, .NET Framework, React JS, WSO2 Choreo, Jenkins, TeamCity, Octopus Deploy, AWS, EKS, CloudFront, SQS, Glue, DocumentDB, Web APIs, Microservices
1w
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.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
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
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.NET Full Stack Developer (Onsite Hybrid) (King Of Prussia, PA, US)
King Of Prussia, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years experience; strong C#, ASP.NET Core, .NET Framework, SQL/T-SQL and Microsoft SQL Server; Angular (v14-18), HTML/CSS3/Bootstrap/jQuery; microservices, Docker, Kubernetes; REST APIs and TDD practices.
C#, ASP.NET Core 8, .NET Framework, MVC, Web API 2.0, T-SQL, SQL, Microsoft SQL Server, PostgreSQL, Angular, HTML, Bootstrap, jQuery, CSS3, Docker, Kubernetes
2mo
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Senior AWS .Net Lead (49397)
New Jersey, New Jersey, United States
OnsiteFull Time
8+ YOE8-10 years of experience in software development with .NET, AWS, lead responsibilities; strong C#, ASP.NET, .NET Core; front-end skills (HTML, CSS, JavaScript, React/Angular); mentoring and CI/CD experience.
C#, ASP.NET, NET Core, HTML, CSS, JavaScript, React, Angular, Entity Framework, CI/CD, AWS
1w
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Senior Developer
Whippany, New Jersey, United States
$110k-$125k/yr OnsiteFull Time
6+ YOE6+ years developing with Blazor, .NET Core/C#, advanced SQL Server, EF Core; experience integrating Azure OpenAI/Coding Agent, building .NET Web APIs, and working with Azure services and CI/CD.
Blazor, .NET Core, C#, SQL Server, Azure OpenAI, Coding Agent, .NET Web API, Entity Framework Core, Azure App Services, Azure SQL, Key Vault, API Management, Azure DevOps, GitHub Actions
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
United States or Philadelphia
RemoteFull Time
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
1d
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Senior Software Developer
Philadelphia or United States
$110k-$135k/yr RemoteFull Time
5+ YOE5+ years professional software development, BS preferred, strong experience with Angular, .NET Core/ASP.NET Core, C#, TypeScript, JavaScript, HTML/CSS, PostgreSQL, API design, OOP and architecture.
Angular, ASP.NET Core, C#, PostgreSQL, TypeScript, JavaScript, HTML/CSS
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Software Engineer, Senior
Center Valley, Pennsylvania, United States
$117k/yr HybridFull Time
4+ YOEBachelor's in computer science/related and 4 years software development experience; proficiency with .NET (VB.Net, C#, .NET Core, ASP.NET), RESTful APIs, SQL Server, cloud (Azure or AWS), unit/integration testing, CI/CD and Git; strong communication and analysis skills.
.NET, VB.Net, C#, .NET Core, ASP.NET, RESTful APIs, SQL Server, Azure, AWS, Unit testing, Integration testing, CI/CD, Git
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)
2w
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Specialist Software Engineer
Cedar Rapids or Denver or Philadelphia
$135k-$150k/yr HybridFull Time
6+ YOEBachelor's or equivalent; 6+ years Core Java or .NET; 3+ years cloud development (AWS/Azure); 5+ years database and integration experience; expertise with microservices, CI/CD, and modern frontend frameworks.
.NET, .NET API Core, .NET API 2, C#, Python, JAVA, Spring Framework, J2EE, MS Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, Azure, EC2, ECS, S3, Kinesis, VMs, Blob, Data Factory, SQL Data Warehouse, ARM Templates, Event Hubs, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Ajax, MS HPC, Sagemaker, Spark, API Gateways, Apache Camel, Swagger API, Zookeeper, Kafka, Spring Boot, Spring MVC, Entity Framework, IIS, Odata, AutoMapper, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, ASP.NET MVC, HTTP, HTML, JS, CSS
2mo
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Lead Software Engineer (Hybrid)
Hartford or Charlotte or Short Hills
$130k-$176k/yr HybridFull Time
7+ YOESenior software engineer with .NET (C#, ASP.NET Core), Azure, AI, microservices, DevOps, and leadership experience.
C#, ASP.NET Core, Azure, Azure AI Services, REST, GraphQL, Docker, Kubernetes, Terraform, Bicep, ARM, CI/CD, DevOps, Terraform, Cloud, SAFe, Pega, Python, TensorFlow, PyTorch, Camunda, Appian, Angular, React, Kafka, RabbitMQ
2mo
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Lead Software Engineer
Bethlehem or Holmdel
$99k-$163k/yr HybridFull Time
10+ YOE3+ Mgmt10+ years software development (3+ years lead); expertise in C#, .NET Core, React/Next.js, APIs/REST, SQL, AWS, CI/CD, Docker/ECS/EKS, Git/BitBucket/GitHub, Splunk, AppDynamics; microservices and Agile experience.
React, Next.js, C#, .NET Core, JavaScript, HTML5, CSS, REST, WCF, SOAP, SQL, Splunk, AppDynamics, JSON, XML, BitBucket, GitHub, CI/CD, AWS, ECS, Docker, EKS, Kanban, Scrum, Scaled Agile
1mo
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Senior Full Stack Software Engineer (Full-Time)
Philadelphia, Pennsylvania, United States
$90k-$140k/yr HybridFull Time
5+ YOE5+ years backend-focused software development experience with C#/.NET Core, Microsoft SQL Server, REST APIs; bachelor’s degree in CS or related field required; Azure and microservices preferred.
C#, .NET Core, Microsoft SQL Server, RESTful APIs, Azure
2w
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Senior Full Stack Developer
Charlotte or Boca Raton or Newark or Santa Monica
$130k-$150k/yr HybridFull Time
6+ YOE6+ years full-stack experience with C#/.NET Core, Angular/TypeScript, JavaScript/CSS, RESTful APIs, MS SQL Server, public-facing SaaS experience, and hands-on use of AI coding tools.
Angular, TypeScript, C#/.NET Core, JavaScript, CSS, MS SQL Server, Claude Code, Codex, RESTful APIs
1mo
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MP Software Engineer
King of Prussia, Pennsylvania, United States
$77k-$135k/yr OnsiteFull Time
US citizen with ability to obtain/maintain TS/SCI; bachelor’s in CS/Software/engineering or equivalent; experience with C#, JavaScript, Java or Python; Agile experience with Jira/Confluence; .NET Core/Angular and cloud/CI/CD familiarity preferred.
C#, JavaScript, Java, Python, Jira, Confluence, .NET Core, Angular, PostgreSQL, Redis, GitLab CI/CD, Docker, Kubernetes, Helm, Git, Conductor, Compass, DevSecOps
4w
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Full Stack Software Developer
Camden, New Jersey, United States
$110k/yr OnsiteFull Time
1+ YOEMaster's in CS/CE/IT required, 1+ year related experience, experience with .NET (Framework/Core), C#, RESTful APIs, SQL/relational databases, Git, Visual Studio, Azure DevOps, and data visualization tools.
.NET Framework, .NET Core, C#, Visual Studio, SQL, Tableau, Azure DevOps, Git, Postman, Entity Framework, HTML5/CSS3, MySQL, Power BI, Azure Cloud Services, RESTful Web APIs
4w
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Full Stack Engineer
Broomall, Pennsylvania, United States
$100k-$120k/yr RemoteFull Time
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
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Sr. Web Developer
Easton, Pennsylvania, United States
OnsiteFull Time
8+ YOEBachelor's in CS/IS, 8+ years web application development experience with ASP.NET/.NET Core, Web API, front-end JavaScript frameworks, SQL Server, Azure DevOps; Sitefinity CMS or CMS experience; leadership and communication skills.
Sitefinity CMS, ASP.NET, .NET Core, Web API, AngularJS, Bootstrap, SQL Server, Azure DevOps, GitLab, Azure Foundry AI, NIST CSF
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Senior Full Stack AI Engineer
Jacksonville or Iselin or Washington
$110k-$190k/yr OnsiteFull Time
7+ YOE7+ years software engineering, expert React, backend framework experience (Node.js, Python, .NET Core), secure public-facing app and cloud architecture experience, hands-on use of AI coding tools and agentic workflows.
React, Node.js, NestJS, Express, Python, FastAPI, Django, Microsoft .NET Core, AWS, Microsoft Azure, GCP, Claude Code, GitHub Copilot, Cursor, Replit, Lovable
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