10 net core developer jobs at 7 companies in Lancaster, PA

1mo
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.NET Full Stack Developer (Onsite Hybrid) (King Of Prussia, PA, US)
King Of Prussia, Pennsylvania, United States
HybridFull Time
NTT DATA
NTT DATA: Global provider of IT and business consulting services.
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
4w
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Senior Software Engineer
Wilmington or London or Amsterdam
HybridFull Time
CSC
CSC: Provides global business administration and compliance solutions.
Expertise with C# and .NET Core, Blazor, Entity Framework Core, SQL Server, Azure Functions, Playwright, JavaScript/TypeScript, and experience building AI-enabled applications and AI-augmented SDLC practices.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, JavaScript, TypeScript, Azure Pipelines, Git, MediatR, Clean Architecture, Fluxor, Polly, Artillery, JMeter, K6, Locust, Docker, Kubernetes, Azure AI Foundry, Azure OpenAI Service
1w
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Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
Connected Logistics
Connected Logistics: Provides IT and logistics services for government defense agencies.
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
1w
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Senior Software Engineer
Oaks, Pennsylvania, United States
HybridFull Time
SEI
SEINASDAQ: SEIC: Provides technology and investment solutions for financial services institutions.
5+ YOEBachelor's in CS/IT/EE plus 5+ years application development in financial services; 5 years with .Net Core,.Net Framework,MS SQL Server,REST,JSON,SSRS,Tableau,Crystal Reports,Git,Docker,Kubernetes,Jenkins,TeamCity,Octopus,Ansible,Terraform,JIRA,Confluence,Bitbucket,Investran,Visual Studio; 1 year Swagger,Postman,Angular.
.Net Core, .Net Framework, MS SQL Server, REST, JSON, SSRS, Tableau, Crystal Reports, Git, Docker, Kubernetes, Jenkins, TeamCity, Octopus, Ansible, Terraform, JIRA, Confluence, Bitbucket, Investran, Visual Studio, Swagger, Postman, Angular
2mo
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Software Engineer Staff - Level 4 - (TS/SCI)
King of Prussia, Pennsylvania, United States
$114k-$227k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in CS/Engineering or equivalent, experience with C#/JavaScript/Java/Python, Agile development using Jira/Confluence, TS/SCI clearance eligibility (US citizen). Experience with .NET Core, Angular, databases, CI/CD, cloud-native tooling preferred.
C#, JavaScript, Java, Python, Jira, Confluence, .NET Core, Angular, Horizon, PostgreSQL, Redis, GitLab CI/CD, Docker, Kubernetes, Helm, Git
1w
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Manufacturing IT Support Engineer
Blue Ball, Pennsylvania, United States
$90k-$100k/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 Core/.Net Framework, ASP .Net, VB.Net, SCADA, SQL, Oracle, ServiceNow experience; stakeholder management, incident triage, SLA adherence; bachelor in computer science and 8+ years experience preferred.
.Net, .Net Core, .Net Framework, ASP .Net, VB.Net, SCADA, SQL, Oracle, ServiceNow
3w
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MP Software Engineer
King of Prussia, Pennsylvania, United States
$77k-$135k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
1mo
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$164k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experienced front- and backend software engineer familiar with DevSecOps, GitLab/GitHub, Docker, Kubernetes, web frameworks (.NET Core, Spring Boot, Angular, React), automated testing tools (Cypress, Playwright, Postman), US citizenship and ability to obtain Secret clearance.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman
3w
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C2 Software Engineer Sr. (TS/SCI)
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in CS/software/engineering or equivalent; experience with C#, JavaScript, Java or Python; Agile experience with Jira/Confluence; Top Secret/SCI clearance required; knowledge of .NET Core, Angular, databases, CI/CD, and cloud-native tooling preferred.
C#, JavaScript, Java, Python, Jira, Confluence, .NET Core, Angular, PostgreSQL, Redis, GitLab CI/CD, Docker, Kubernetes, Helm, Git, Horizon C2, DevSecOps
2mo
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Senior Software Engineer (Exton, PA, US)
Exton or Philadelphia
HybridFull Time
Bentley Systems
Bentley SystemsNASDAQ: BSY: Software for designing, building, and operating global infrastructure.
BS or MS in computer science or software engineering; strong: C#, .NET Core, OpenID, OAuth; Git; Azure DevOps; Agile (SCRUM); Azure REST APIs/SDKs; OO design patterns; independent contributor without travel.
C#, .NET Core, OpenID, OAuth, Git, Azure DevOps, Azure REST APIs, Azure Services SDKs, Object oriented programming