Top Senior .NET Developer Jobs

The Senior Software Engineer develops and maintains Sports Trading applications using .NET and SQL Server, enhancing existing functions and providing technical guidance.

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.

Design, develop, deploy and maintain .NET-based microservices and AI-enabled solutions for a scalable banking platform. Lead complex projects, mentor junior developers, participate in Scrum ceremonies, and drive modernization from legacy systems to cloud-native, CI/CD-powered infrastructure.

Design, build, and operate .NET backend services and APIs using C#/ASP.NET Core and EF Core/SQL. Author and iterate specification artifacts (OpenSpec), leverage AI coding assistants, implement automated tests, ship via CI/CD to the cloud, review peers' specs/code, mentor engineers, and collaborate with product, QA, and cross-functional teams to deliver production services.

Design, implement, and maintain real-time data acquisition and processing systems for high-throughput sensor and time-series data. Develop native and web/CLI applications, interfaces to DAQ hardware, streaming APIs, visualization tools, and CI/CD/infrastructure. Provide technical leadership, engage stakeholders, and own features from prototype to production.

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.

Lead the development team in .NET projects, enforce coding standards, perform code reviews, manage builds, and assist in mentoring developers.

Lead design and implementation of scalable, high-performance backend systems using C#/.NET. Design RESTful and gRPC APIs, maintain SQL Server databases, work with event-driven and microservices architectures, use Kafka for messaging, modernize legacy systems, ensure reliability and observability, mentor engineers, and own production monitoring, troubleshooting, and incident follow-up.

Lead design and implementation of scalable, high-performance back-office systems using C#/.NET. Build and modernize microservices, design REST and gRPC APIs, maintain and optimize SQL Server databases, use Kafka for event-driven communication, ensure reliability and observability, own production systems and incident follow-up, and mentor engineers while influencing architecture and engineering standards.

The .Net MVC Developer designs, develops, and modifies websites, ensuring technical excellence in coding, testing, and debugging, while also managing project timelines and collaborating with development teams.

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

Develop and support high volume web applications using .NET technologies, collaborating with business teams and addressing production issues as needed.

Develop and maintain web applications using .NET technologies. Collaborate on design patterns, web services, and front-end development with a focus on security and performance.

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

The .NET Developer will design and develop applications using Angular, TypeScript, and .NET technologies, ensuring high quality through unit testing and agile practices.

Develop and maintain web applications for Technical Operations, utilizing a full stack including .NET and Angular within an Agile environment.

As a Staff Software Engineer, you will design, build, and maintain scalable billing platform solutions, drive technical excellence, and mentor team members.

Senior .NET/Classic ASP developer to support, maintain, and enhance large-scale federal applications. Provide Tier 3 support, develop prototypes, update and refactor legacy code, participate in agile teams, and produce SDLC documentation. Work with Azure, IIS, AD/ADFS/Azure Entra, CI/CD, SQL Server, and SSIS.

Develop internal applications for a call center, incorporating tools like HREM and payroll systems. Self-management and communication skills are essential.

The Lead Product Engineer will design and deploy enterprise applications, drive Azure migrations, and collaborate with cross-functional teams in an AI-driven environment, mentoring junior engineers and implementing best practices.

The Senior Software Engineer leads backend system development, mentors team members, and collaborates cross-functionally to deliver high-quality APIs and applications.

Develop and support applications using C# and .NET, provide production support, and troubleshoot issues in a fast-paced environment.

The Senior Software Engineer will develop solutions using C#/.Net, uphold coding standards, collaborate in Agile practices, and provide technical guidance.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.