24 net core developer jobs at 17 companies in Holbrook, NY
2w
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.NET Developer
Jersey City or New York
$82k-$127k/yr OnsiteFull Time
Strong hands-on .NET Core/.NET Framework, API and microservices development, AWS and EKS experience, Microsoft SSIS and SQL Server knowledge, CI/CD tooling familiarity, bachelor's degree or equivalent, US work authorization required; no visa sponsorship.
.NET Core, .NET Framework, AWS, EKS, CloudFront, SQS, Glue, Document DB, Microsoft SSIS, Microsoft SQL Server, AWS Aurora, PostgreSQL, Jenkins, TeamCity, Octopus Deploy
3w
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
1mo
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C# Software Developer (.NET)
New York City, New York, United States
$100k-$130k/yr HybridFull Time
3+ YOE3+ years .NET (Core/Framework) experience with C#, REST API development, SQL skills, familiarity with DevOps/CI-CD tools, fluent English, degree in CS/Engineering or equivalent experience preferred.
.NET, C#, ASP.NET MVC, ASP.NET Web API, Angular, SQL, Entity Framework, Bitbucket, Jenkins, XL Deploy, SonarQube, Checkmarx, CyberArk, Microsoft Azure
1mo
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Software Engineer (.Net, Angular)
Budapest or New York City or Washington or Vancouver or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
3+ YOE3+ years software engineering experience; strong C#/.NET Core, AWS, REST API, SQL/PostgreSQL; familiarity with Angular, Docker, CI/CD and IaC; degree in CS/Engineering or equivalent experience; good communication skills.
C#, .NET Core, Angular, AWS, PostgreSQL, SQL, NoSQL, Docker, CI/CD, IaC
3h
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Senior Back-end Engineer (C#/.NET) - Software
Mexico City or New York City
RemoteFull Time
5+ YOE5+ years developing enterprise or SaaS software with C#, .NET Core, Web API, Entity Framework, and SQL Server; experience with architecture, testing, AI coding assistants, Git, CI/CD, and English communication.
C#, .NET Core, Web API, Entity Framework, EF Core, EF6, SQL Server, GitHub Copilot, Claude, Angular, Git, CI/CD, RESTful APIs, microservices, NLP
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.Net Developer/Analyst
New York City, New York, United States
$115k-$173k/yr OnsiteFull Time
1+ YOERequires professional/vendor certification and 12–24 months of specialized applications development experience; strong experience with C#, ASP.NET/.NET Core, Web API, SQL Server, Angular/AngularJS, HTML5, CSS, JavaScript, and TypeScript; familiarity with REST APIs, SSO, Azure, SSRS, and RPA tools.
C#, ASP.NET, .NET Core, Web API, SQL Server, Angular, AngularJS, HTML5, CSS, JavaScript, TypeScript, Single Sign-On (SSO), GitHub Copilot Cursor, Microsoft Azure, SSRS, RPA Tools
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
1mo
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Senior Software Engineer
New York City or United States
$155k-$165k/yr RemoteFull Time
Proven experience with .NET Core, C#, T-SQL; experience designing distributed systems, SPA architectures (React), mentoring developers, and delivering projects end-to-end.
.NET Core, C#, T-SQL, React, Visual Studio, gRPC, ASP.NET Web API, Git, MS SQL Server, CosmosDB, Azure, Kubernetes, Continuous Integration/ Continuous Deployment
2mo
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Senior Windchill Integration Engineer
New York City or United States
RemoteFull Time
7+ YOE7+ years software engineering experience, 2+ years Windchill development or integration, strong Java and .NET Core skills, Windchill APIs and object model expertise, REST/distributed systems knowledge, experience with Azure and/or AWS, strong communication.
Windchill, Java, .NET, .NET Core, REST APIs, Azure, AWS, Teamcenter, 3DEXPERIENCE, Aras Innovator, Agile PLM, Docker, Kubernetes, ArgonOS, Sinequa, Chaps Agents
1mo
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Sr. Software Engineer II (Remote - US)
New York City or California or Oregon or Colorado or Texas or Wisconsin or Minnesota or Louisiana or Florida or Virginia or North Carolina or South Carolina or New Jersey or New York or Connecticut or United Kingdom
$130k-$150k/yr RemoteFull Time
7+ YOE7+ years full-stack SaaS development with .NET Core back-end and modern frontend frameworks (React/Angular/Vue); strong SQL, API, SRE/DevOps appreciation, Agile experience, bachelor’s degree or equivalent.
.NET Core, React, Angular, Vue, HTML, CSS, JavaScript, SQL, Stripe, Microsoft Office, Google Suite, Slack, JIRA
1mo
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Senior Associate - Full Stack Developer - Wealth Management Technology
New York City, New York, United States
$100k-$143k/yr HybridFull Time
Strong full-stack engineering experience with React, TypeScript/JavaScript, C#/.NET Core, API design, AWS, enterprise integration, and familiarity with AI-assisted development tools; Financial Services experience preferred.
ReactJS, TypeScript, JavaScript, HTML5, CSS3, C#, .NET Core, ASP.NET Core, Java, Python, MuleSoft, AWS, EKS, ECS, Lambda, API Gateway, S3, Aurora PostgreSQL, Redshift, Glue, DMS, Kafka, MSK, Databricks, GitHub, GitHub Copilot, Cursor, Claude Code, Markdown, OAuth2, OIDC, JWT, SSO, RBAC
2mo
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Senior Director, Lead Software Engineer
Charlotte or Atlanta or Bengaluru or Dallas or Hyderabad or Kansas City or London or New York City or Sydney
OnsiteFull Time
9+ YOE3+ MgmtBS/BA required; 9+ years software engineering experience, 3+ years managing direct reports. 5+ years with C#, Web Forms, .NET/.NET Core, REST APIs, relational DB queries, SDLC and Agile tools; 3+ years Azure and SQL Server/Oracle.
C#, Web Forms, .NET, .NET Framework, .NET Core, REST, Software Development Life Cycle (SDLC), JIRA, GitHub, Jenkins, Confluence, ReactJS, Javascript, Azure Public Cloud Platform, SQL Server, Oracle Database
1mo
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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
3mo
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Module Lead
New York or Alpharetta
OnsiteContract
5+ YOERequires expert C#, .NET Core, ASP.NET Core, Web API, REST/SOAP, Entity Framework, SQL Server/T-SQL, RabbitMQ, Azure, Git, Agile, and 5+ years of experience.
C#, .NET Core, ASP.NET Core, Web API, Angular, REST, SOAP, JSON, XML, CSV, Microsoft Excel, RabbitMQ, SQL Server, T-SQL, Azure DevOps, Microsoft Azure, Entity Framework, Git
2w
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Senior Analyst, Business Systems
New York, New York, United States
$160k-$180k/yr HybridFull Time
10+ YOE10+ years software development experience with C#, .NET, ASP.NET Core; 5+ years SQL Server; bachelor\u0002s degree required; strong frontend, backend, data engineering, and AI-enabled solution experience.
C#, .NET, ASP.NET Core, Blazor, React, Angular, JavaScript, TypeScript, HTML, CSS, Material UI, Bootstrap, T-SQL, Dagster, DBT, Microsoft Azure, Microsoft Azure DevOps, CI/CD, RESTful APIs, Git, GitHub, TFS, SVN, Python, Node.js, ColdFusion, Java, PowerShell, Linux, VB.NET, VBA, Perl, PHP
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
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