Top Senior .NET Developer Jobs in NYC, NY

Lead technical design and deliver secure, scalable C#/.NET software for trading systems. Drive architecture, coding, code review, automation, resiliency, CI/CD, and adoption of AI-assisted engineering practices while mentoring teams and engaging vendors.

Designs, develops, maintains, and optimizes enterprise-level .NET applications. Responsibilities include backend development, application integration, infrastructure assessment, troubleshooting, deployment support, technical documentation, requirements definition, solution architecture, and ensuring scalable, reliable systems. The role collaborates with developers, business analysts, IT professionals, project managers, and stakeholders to deliver and enhance .NET-based solutions.

Lead the design, architecture, development, deployment, and optimization of scalable .NET backend systems processing millions of daily healthcare transactions. Mentor developers, guide technical decisions, improve CI/CD pipelines, implement secure APIs, and collaborate with product stakeholders. The role requires expertise in .NET, C#, ASP.NET Core, cloud-native AWS services, Kubernetes, microservices, distributed systems, testing, observability, and secure software development.

Lead end-to-end development of secure, scalable web applications and data solutions supporting clinical trial operations. Design frontend and backend components using C#/.NET, Angular, AWS, and relational or non-relational databases. Guide architecture, testing, deployment, CI/CD, security, cloud optimization, and regulatory compliance. Mentor developers, oversee technical delivery, troubleshoot complex issues, and lead migration and modernization of on-premises applications to AWS.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Team Lead responsible for leading software projects through all life cycle stages including requirements capture, design, development, and acceptance testing. Requires 7+ years experience.

As a Full Stack .Net Developer, you'll develop and maintain web applications, produce high-quality code, collaborate on feature design, and participate in code reviews.

Nagarro is seeking a Principal Engineer with extensive experience in .Net Web development to provide strategic value and lead initiatives.

The Associate Staff Engineer will leverage their experience in C# and modern web technologies to tackle client challenges and support team growth.

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

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Senior full-stack .NET developer responsible for design, development, testing, and rollout of secure, scalable web applications. Work spans front-end (JS/HTML/CSS), middle-tier services (C#, Node.js), and persistence (SQL/NoSQL). Participate in code reviews, architecture, and use modern OOP, SOLID, SOA, and web security practices. Cloud migration (AWS/Azure) and high-availability SaaS experience are valued.

Senior .NET Developer to build the ORCA Compliance System. Design and implement distributed systems, RESTful web/cloud services and Web APIs using ASP.NET/C#, AngularJS, Bootstrap, SQL Server 2012 and MongoDB. Work with AWS and Pivotal products to deliver cloud-based solutions and participate in end-to-end delivery.

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

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 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.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

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

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.