11 net core developer jobs at 9 companies in Cornwall, NY
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.NET Fullstack Senior Developer - HYBRID
Parsippany, New Jersey, United States
$113k-$188k/yr HybridFull Time
7+ YOE7+ years supporting enterprise web applications with .NET Core and C#, Angular, SQL Server; experience with GCP Firestore, OpenShift, CI/CD, security remediation, and troubleshooting.
.NET Core, C#, Angular, HTML, CSS, JavaScript, TypeScript, SOAP, REST, Microsoft SQL Server, SSIS, GCP, Firebase Firestore, App Engine, Cloud Functions, Cloud Build, Cloud Armor, OpenShift, Azure DevOps (ADO), Git, SonarQube, Netsparker, Invicti, JFrog
2mo
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.NET Fullstack Senior Developer - HYBRID (Parispanny, NJ, US)
Parsippany, New Jersey, United States
HybridFull Time
7+ YOE7+ years enterprise web apps; 7+ years .NET Core full stack; 5+ years C#, Angular, SQL Server; 3+ years GCP Firebase/Firestore; 1+ year OpenShift
DOTNET_CORE, C#, Angular, SQL Server, SSIS, GCP, Firebase, Firestore, Azure DevOps, Git, VS, SonarQube, Netsparker/Invicti, JFrog, Cloud Platform (GCP or Azure), OIDC/JWT, Azure AD
1w
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
2w
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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
2mo
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Level 1 Full Stack .NET Programmer-Analyst
Long Island City, New York, United States
OnsiteFull Time
3+ YOEBachelor's in CS or equivalent, 3+ years .NET/ASP.NET Core development, Angular/React experience, OOP and SDLC knowledge, Oracle/MS SQL skills, and strong communication.
Microsoft .NET (C#) 4.0/4.5/4.6, ASP.NET Core, ASP.NET MVC 5, Angular, React, REST, WCF, LINQ, Entity Framework, Dot Connect for Oracle, ADO.NET, HTML5, CSS3, SCSS/SASS, JavaScript, TypeScript, Node.js, Webpack, Oracle 10g, Oracle 11g, Oracle 12c, SQL Server 2012, SQL Server 2019, PL/SQL, MS SQL, SOAP, XML, JSON, TFS, GIT
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.NET Full Stack Technical Lead- Onsite
Parspanny, New Jersey, United States
OnsiteFull Time
7+ YOE7+ years supporting enterprise web applications; strong C#/.NET Core, Angular, Microsoft SQL Server, and GCP Firebase Firestore experience; CI/CD, security remediation, and troubleshooting skills.
GCP, Firebase Firestore, NoSQL, C#, .NET Core, HTML, CSS, JavaScript, TypeScript, Angular, SOAP, REST, Microsoft SQL Server, SSIS, Windows Server, Azure DevOps (ADO), Git, SonarQube, Netsparker, Invicti, JFrog, JWT, OAuth, OIDC, Azure AD, App Engine, Cloud Functions, Cloud Build, Cloud Armor
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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Senior Full-Stack Software Developer – Finance & ERP Integration
Mahwah, New Jersey, United States
$135k-$160k/yr OnsiteFull Time
7+ YOE7+ years full-stack development with finance/ERP experience; strong ASP.NET/.NET Core, C#, SQL, Entity Framework, Angular, NGRX, SignalR, RESTful APIs, and Git; experience integrating with QuickBooks/NetSuite/SAP and understanding financial workflows.
SAYDAR, ASP.NET, .NET Core, C#, SQL, Entity Framework, QuickBooks, NetSuite, SAP, Angular, NGRX, SignalR, RESTful APIs, Git, Microsoft Dynamics
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Co-Op 2026 – Software Engineering – XiO Cloud (Full Stack Web Dev)
Boston or Rockleigh
OnsiteInternship, Temporary
Enrolled bachelor’s student in software engineering/computer science; unrestricted US work authorization; familiarity with C#, .NET, ASP.NET Core, modern SPA frameworks, TypeScript, HTML/CSS, Git; strong programming fundamentals.
C#, ASP.NET Core, .NET, Angular, React, Vue, HTML, CSS, TypeScript, Git
2mo
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Manager, NBPG (Multiple Positions), Montvale, NJ
Montvale, New Jersey, United States
OnsiteFull Time
2+ YOEMaster's in CS/IT/CE +2 years or Bachelor's +5 years; 2 years developing and troubleshooting apps with Microsoft Azure, Angular, .NET/.NET Core, C#, TypeScript, SQL/NO SQL, EMR; Agile/SCRUM and Power BI experience.
Microsoft Azure, Angular, .NET, .NET Core, C#, TypeScript, JSON, JSONB, Visio, UML, PowerPoint, Office, Power BI, SQL, NO SQL
1mo
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Applications Manager, Energy Management
White Plains, New York, United States
HybridFull Time
2+ YOEBachelor's in a technical field, 2+ years software/data engineering experience (energy preferred). Proficiency with Java, C#/ASP.NET Core, Python/R, SQL Server, JavaScript/TypeScript, React, REST APIs, Git, CI/CD, and advanced data analysis.
Java, C#, .NET, ASP.NET Core, Python, R, SQL, SQL Server, JavaScript, TypeScript, React, Redis, PI Server, Yes Energy, Pharos, SignalR, WebSockets, Active Directory, Entra ID, SAML 2.0, Git, CI/CD, VBA, Microsoft Excel, Progressive Web Applications (PWAs), ETRM