Top Senior .NET Developer Jobs in NYC, NY

The Senior Software Engineer will design, develop, and maintain scalable backend services and APIs, working with cross-functional teams to improve cancer care through technology and data solutions.

Lead design, development, and maintenance of scalable .NET web and Windows applications. Build RESTful APIs, integrate front-end frameworks, collaborate with cross-functional teams, drive architectural decisions, perform code reviews and testing, and support deployments and backlog reduction for the eApp portfolio.

Lead and mentor an engineering team building GovIntel and GovChannel product capabilities. Own technical direction, design and deliver scalable SaaS features, APIs, integrations, and platform reliability. Partner with Product, QA, Cloud Ops, and stakeholders to prioritize work, drive CI/CD and observability practices, lead reviews and incident response, and apply AI-assisted tools to improve development speed and quality.

Design, develop, and maintain enterprise .NET applications; optimize performance; integrate systems; troubleshoot and support production environments; create technical documentation; collaborate with analysts, PMs, and developers to deliver scalable solutions.

Design, develop, and modify .NET applications and Dynamics 365 solutions (forms, workflows, plugins, web services). Collaborate with DBAs and cross-functional teams, estimate effort, participate in deployments, and ensure secure, scalable, high-quality implementations that improve end-user productivity.

The Senior .NET Developer will design, develop, and maintain applications using .NET technologies, conduct performance tuning, and collaborate with team members on software methodologies and architecture.

Design, code, and test applications using .NET and SQL Server, develop web applications, create SQL queries, and integrate APIs. Provide technical support and guidance.

The Full Stack .Net Developer will develop and maintain web applications, write efficient code, and collaborate on new features.

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 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.

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

The Senior .NET Software Engineer will develop and manage work-management software using a wide technology stack while collaborating with a remote engineering team.

Provide SharePoint site/content support and .NET software development for custom applications (C#, ASP.NET). Support SharePoint design, develop custom web parts/workflows, maintain SQL Server-backed services, use ticket systems (ServiceNow/JIRA), and interface with customers. Work remotely and must obtain a Government Public Trust clearance; US citizenship required.

Design, build, test, and maintain .NET applications using C# and Entity Framework Core for client/server and Azure web environments. Participate in code reviews, document development methods, apply Agile practices, use Azure DevOps for source control, develop UI components (HTML/CSS/jQuery/Bootstrap), and incorporate security best practices throughout the SDLC.

The role involves designing, developing, and maintaining microservices-based applications using .NET Core, along with leading architecture discussions and mentoring team members.

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.

Design and develop high-volume, multi-tiered applications using .Net technologies. Ensure high code quality through testing and reviews, while collaborating with cross-functional teams.

The .NET Developer will analyze requirements, write design specifications, and conduct software testing and performance tuning while being a proactive team player.

The Senior .NET Developer will handle requirements analysis, write design specifications, perform software testing, and troubleshoot issues, while possibly leading a team.

The .NET Developer will analyze requirements, write design specifications, and develop applications using ASP.NET and related technologies. Experience in software testing and troubleshooting is required.

Design, develop, test, and deploy .NET applications using C# and ASP.NET MVC. Create and optimize SQL databases and APIs, perform code reviews and debugging, collaborate with stakeholders and architects, deploy to staging/production, maintain applications, and stay current with .NET best practices.

The Lead .Net Developer will mentor a team, design and develop .Net applications, implement Angular features, manage SQL databases, and ensure project quality and timeliness.

Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.

We are looking for a Senior .NET Software Engineer to take ownership of features and drive architectural decisions while building AI-powered EMR software.