Top Senior .NET Developer Jobs in NYC, NY

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.

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.

As a Staff Software Engineer for Liquidity Management, you'll lead architectural decisions, mentor engineers, and drive platform development, focusing on scalable, reliable systems for treasury management in a fast-paced environment.

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.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

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.

As a Sr. Software Engineer at Bloomerang, you will lead technical direction, mentor engineers, and enhance SaaS solutions while utilizing .NET and AI tools. You will ensure scalable, maintainable applications, advocate for Agile workflows, and focus on quality outcomes in software development.

Design, develop, test, and deploy .NET web applications. Build web UIs (HTML/CSS/JavaScript/jQuery), implement ASP.NET/VB.NET solutions, optimize SQL Server databases and stored procedures, document business rules, and liaise with internal financial-services stakeholders (benchmark data/Rimes).

Lead design, development, and implementation of full-stack applications using .NET and Angular. Collaborate with teams to gather requirements, ensure security, scalability, and performance on Azure, manage SQL Server databases, use Git for version control, and mentor engineering teammates while adopting best practices and emerging technologies.

Lead development of maintainable .NET applications within a small team, apply test-driven development, coach client teams on modern software practices, and continuously improve technical skills.

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.

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.

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.

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, build, and maintain scalable web applications for payroll and accounting. Collaborate with engineers and product partners, write tested code, participate in code reviews, contribute to architecture, improve CI/CD and monitoring, support production (including on-call), and communicate progress while continuously learning.

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.