Top .NET Developer Jobs

Hands-on senior software engineer responsible for designing, developing, and modernizing enterprise .NET microservices and RESTful APIs. Leads technical decisions, mentors engineers, builds containerized services (Docker/Kubernetes), integrates event streaming (Kafka), supports CI/CD pipelines, ensures security, performance, and operational readiness, and collaborates with product, QA, and platform teams.

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.

The .NET Developer II is responsible for developing and maintaining enterprise applications, managing CI/CD pipelines, integrating web services, and ensuring system stability through testing and monitoring.

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

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.

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.

Develop, test, deploy, and maintain backend applications primarily using .NET and SQL. Design software solutions, write code, debug, prepare technical documentation, and support front-end UI work as needed.

Lead the technical design and development of full‑stack software solutions for Asset Management. Mentor engineers, perform code reviews, design and support APIs, develop using C#/ASP.NET and Angular, work with SQL Server/Entity Framework, and apply container orchestration (OpenShift/Kubernetes) in an Agile/Scrum environment.

Maintain and improve Advisor360°'s SaaS platform by diagnosing complex issues, optimizing performance and availability, designing serviceability tooling, and collaborating with Engineering, QA, DevOps, and Infrastructure. Mentor teammates, ensure coding standards, participate in on-call rotations, and support global infrastructure deployment and scalability.

The .NET Application Developer designs, develops, and maintains software applications, providing support and collaborating with senior developers to enhance systems while ensuring quality and documentation standards are met.

Remote .NET developer responsible for gathering requirements, designing and implementing software using .NET technologies, producing well-presented, error-free applications. Requires proficiency in C#/F#/VB.NET, SQL/Oracle, strong analytical, communication, organizational skills, and prior .NET experience. MCSD/MCPD certification is preferred.

Design, develop, and maintain scalable, secure .NET microservices and full-stack Angular applications. Optimize SQL Server schemas and queries, write unit/integration tests, use AI-assisted tools, contribute to CI/CD, troubleshoot production issues, and collaborate with Agile teams to deliver enterprise SaaS solutions.

Develop and maintain .NET Core/.NET 8 console applications integrating with EPA RCRAInfo REST APIs. Implement OAuth2 auth, parse/transform JSON/XML, perform SQL Server/Oracle data operations, and add robust logging (Serilog/NLog), retry policies (Polly), monitoring, and scheduled task automation. Support CI/CD and API integrations.

Design, develop, and support .NET-based business applications. Gather requirements, create specifications and mock-ups, implement features using .NET Core/Entity Framework and modern web tech, maintain legacy ASP.NET apps, follow change/SOX controls, and support CI/CD and Agile practices. Travel up to 10%.

Senior .NET developer responsible for designing, developing, and supporting custom business web applications. Gather requirements, create specifications and mock-ups, implement solutions using .NET Core/Entity Framework, modern front-end stacks, and SQL Server. Maintain legacy apps, follow change management and SOX controls, use Agile practices, and support CI/CD pipelines. Travel up to 10%.

Develop, test, integrate, and maintain .NET/C# web applications supporting NAVSUP logistics. Design system interfaces and databases, implement secure REST APIs, perform unit/integration testing, manage source control, troubleshoot issues, and collaborate with stakeholders in an Agile environment.

Design, develop, test, and maintain .NET-based web applications and API integrations for a crash reporting system. Collaborate with stakeholders to gather requirements, document process flows, implement solutions using .NET/C#/MVC/Entity Framework, and support deployments in an Agile/Scrum environment. Ensure coding standards, troubleshoot issues, and drive technical initiatives including XML/XSD integrations and GIS mapping where needed.

Convert an existing Silverlight implementation into a single-page application using .NET and modern front-end frameworks. Work with VB.NET, SPA frameworks (RequireJS/Knockout/AngularJS), XAML/Silverlight/WPF, SOAP web services, Visual Studio and TFS. Familiarity with Oracle/PLSQL preferred. Must work independently, communicate clearly, and thrive in a fast-paced environment.

Contract .NET/Excel-Access developer to migrate and maintain Excel and Access applications: document functional requirements, design solutions, write VBA/macros, develop and test, deploy to test/UAT/production, and transition applications to client staff. Role requires knowledge of .NET/C#, Oracle, TFS and mortgage program compliance.

Convert an existing Silverlight implementation into a single-page application using .NET and front-end frameworks. Develop UI with HTML5/CSS3/JavaScript and framework libraries, work with XAML/Silverlight/WPF concepts, integrate SOAP web services, and use Visual Studio and Team Foundation Server for development and source control. Collaborate independently and apply strong problem-solving and communication skills.

Design, develop, and test FileNet eProcess to P8 migration solutions using FileNet Panagon eProcess API, FileNet P8 Process Engine, and Java/J2EE. Coordinate with offshore teams, engage users, and support P8 administration, content and image services.

Contract .NET developer to design, build, test and support web and Windows applications using ASP.NET/C#, MS SQL Server and SSIS. Support Classic ASP, perform web performance tuning, troubleshoot production issues, and use PM, issue-tracking and version-control tools.

Design, develop, test, and maintain .NET applications. Implement new features, follow enterprise security and best practices, collaborate with stakeholders, manage bugs and enhancements, mentor junior engineers, produce technical documentation, and support/optimize existing platforms and CI/CD processes.

Develop Windows Mobile 8.1 applications using .NET within an Agile team. Use Visual Studio and TFS for development, build embedded integrations, and apply MVVM patterns where applicable. Collaborate on design, implementation, testing, and maintenance of mobile apps.

Develop, maintain, and lead VB.NET/ASP.NET web applications using MVC, WCF, SOA and SQL backend. Lead code reviews, enforce development standards, improve build processes, implement SSIS/SSRS ETL and reporting, integrate MSMQ and enterprise libraries, and support security requirements. CI/TFS automation experience preferred.