Top .NET Developer Jobs in NYC, NY

Develop and maintain .NET web applications across the full SDLC using C#, ASP.NET and WCF. Work with SQL Server, IIS and Windows Server. Build high-volume batch and queue-processing systems, apply SOA and design patterns, perform testing/debugging, follow Agile/TDD practices, and use version control. Collaborate with stakeholders and adhere to coding and testability standards.

Design, develop, test and support enterprise .NET applications across the full SDLC. Work in Agile teams on high-volume batch and queue-processing systems using C#, ASP.NET, WCF, SQL Server and SOA patterns. Apply strong coding, debugging, version-control and communication skills to deliver mission-critical internet applications.

Develop and maintain .NET-based web applications using ASP.NET MVC and AngularJS. Build and consume Web APIs/REST services, design database schemas and optimize SQL queries, implement unit and front-end tests, use GIT for version control, follow OOP/OOD and design patterns, lead technical efforts within a global delivery/financial services environment.

Develop, maintain, and support .NET/C# applications using ASP.NET MVC, WCF, WPF and SQL Server/Oracle. Participate in SDLC, project lifecycle, design and architecture reviews, and collaborate with stakeholders. Domain experience in financial services/investment required.

Develop, maintain and support .NET/C# applications using ASP.NET MVC, WCF, WPF and SQL Server/Oracle. Participate in full SDLC, project lifecycle activities, design and architecture reviews, and work with diverse stakeholders in the financial services/investment domain. Provide analytical troubleshooting and support for development and maintenance projects.

Senior .NET engineer to design and build web applications and RESTful APIs using ASP.NET (MVC/Web API) and .NET Core. Responsibilities include front-end work (HTML5/CSS3/JavaScript), database design and SQL development, participating in complex scalable project design, using Git, and writing unit/integration/functional tests.

Hands-on lead developer/technical architect responsible for coding (.NET Core/.NET 8+), designing Azure-first architectures, building microservices and APIs, implementing Azure PaaS services and monitoring, performing code reviews and mentoring, troubleshooting production issues, and coordinating delivery with onshore/offshore teams.

Develop, test, deploy, and maintain .NET-centric web applications using C#, Angular 17+, and Azure. Build and consume REST APIs, work with SQL Server, source control, CI/CD pipelines, and collaborate on code reviews, debugging, performance optimization, and third-party integrations.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Lead technical direction for a major product domain, reduce architectural debt, mentor engineers, standardize AI-agent workflows, and design scalable backend solutions integrating LLMs and cloud services. Drive cross-team RFCs, cookbook standards, and adopt agentic AI tooling while balancing security, quality, and delivery.

Design, develop, implement and support web applications using .NET Core. Collaborate with internal bank teams and external vendors, troubleshoot production issues, and apply strong interpersonal, leadership, and problem-solving skills.

Design, develop, and maintain scalable ASP.NET/C# APIs and microservices and front-end interfaces (Vue.js, AngularJS) for retail omni-channel and POS platforms. Contribute to architecture, write production-quality code, troubleshoot issues, participate in code reviews, and collaborate with product, design, and QA to deliver features with minimal onboarding.

Develop and modify .NET applications and Dynamics 365 solutions (forms, workflows, plugins, web services). Collaborate with DBAs and cross-functional teams, ensure scalable secure solutions, create estimates, and participate in deployments and provisioning.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

Senior .NET full-stack developer responsible for custom application development, API integrations, database optimization, deployments, troubleshooting, performance, security, and production support using .NET/C#, ASP.NET Core, SQL, modern frontend frameworks, cloud, and CI/CD.

Contract remote .NET/Kentico web developer to build interactive, dynamic websites. Requires front-end web development experience and familiarity with the Kentico CMS. Six-week engagement.

Design, develop, test, and deploy .NET solutions (APIs and web apps). Build and consume RESTful services, work with SQL and NoSQL databases, use cloud (Azure/AWS) and Docker, apply unit/integration/performance testing, participate in code reviews, define features via spikes, and architect scalable, high-performance systems. Support occasional after-hours and on-call rotation.

Design and implement APIs for web self-service platforms using .NET Core and C#. Collaborate with technical teams, ensure compliance with policies, and lead code reviews.