Top Senior .NET Developer Jobs

Develop and support .NET/C# applications, build SOAP and RESTful web services, work independently in a consulting environment, facilitate meetings, and communicate technical solutions to stakeholders.

Design, develop, and scale cloud-native .NET applications and APIs on Azure. Build front-end pages and backend database objects, produce unit-tested code, implement RESTful and SOAP services, and participate in architecture and code reviews while leveraging automation and AI tools.

The Lead C# Web Developer will design and develop secure MVC applications, perform coding, testing, and debugging while enhancing web platforms and integrating with vendor systems.

Design and document enterprise .NET solution architectures, assess business needs, produce current/future/transitional architecture models, guide regional teams, support solution delivery, and ensure alignment with enterprise standards for Financial Services projects.

Develop, design, and implement .NET applications; analyze requirements; write technical specs; code, test, and debug; lead migrations to production; document processes; mentor junior staff; provide production support and lead project tasks ensuring quality, security, and compliance.

Full‑stack senior .NET developer responsible for 80% hands‑on development, code reviews, mentoring, and 20% testing, deployment, and design. Deliver clean, well‑documented, high‑performance applications using C#, ASP.NET/MVC, SQL Server and UI libraries, integrate with web services, and guide teammates to robust solutions.

Maintain and support web services, Windows services, web applications, SQL databases and stored procedures. Certify environment upgrades, provide production support, and code/test fixes for production issues. Assist with project initiatives and collaborate with distributed teams; midrange/mainframe familiarity helpful.

Develop and maintain full-lifecycle web applications from requirements through implementation, testing, training, and support. Build and improve custom software using ASP.NET, C#, WCF, WPF, Entity Framework, and SQL Server; design databases and implement stored procedures.

Design, develop, test, document, and implement C#/.NET applications per technical specifications. Interpret business requirements, produce architectural and technical documentation, create unit test plans and harnesses, estimate tasks, validate accessibility and secure coding, and collaborate with infrastructure/network/server teams to resolve application issues.

Develop and maintain .NET applications using C#, ASP.NET MVC, Web API, WCF, and SOA patterns. Build and optimize SQL Server stored procedures, implement LINQ queries, and integrate REST/SOAP services. Implement front-end scripting using JavaScript/jQuery and collaborate with stakeholders; strong communication skills required. 18-month C2C contract.

Design, develop, test, and support client websites using Microsoft .NET technologies. Implement VB.NET/ASP.NET features, work with SQL Server and Reporting Services, utilize Telerik and AJAX controls, and use jQuery/JavaScript. Troubleshoot, maintain relational database-driven applications, and collaborate with stakeholders.

Develop, code, test and implement end-to-end technology solutions. Analyze and document data, workflows, interfaces, and design artifacts. Write complex PL/SQL and SQL, produce high/low level design docs, perform peer reviews, and prepare source-to-target mappings and transformation rules.

Contract .NET developer/consultant role requiring 5+ years experience building web applications using C#, .NET, Entity Framework, SQL Server, LINQ, WCF, MVVM/MVC, and JavaScript frameworks (JSRender, Angular, Node, jQuery, HTML5). 6+ month contract; rate DOE.

Full-stack developer focused on front-end and mid-tier work. Build and modify web applications using JavaScript/HTML5/CSS3 and C#, implement database logic (SQL/Stored Procedures), follow SDLC, write unit tests, perform code reviews, produce technical documentation, provide production support, and mentor junior developers.

Lead C#/.NET developer responsible for designing and implementing enterprise web applications, web services (SOAP/WCF/REST), UI (jQuery/Bootstrap), database development (T-SQL, stored procedures, SSRS), unit testing/TDD, mentoring developers, and collaborating with architects to maintain and enhance application frameworks and coding standards.

Design, analyze, implement and maintain N-tier business applications using Microsoft .NET technologies (C#, VB.NET, ASP.NET, WCF, WPF). Gather requirements, coordinate with offshore teams, perform data modeling and development. Build web applications (HTML, Master Pages, AJAX, JavaScript) and work with reporting/ETL tools (SSIS, SSRS, Crystal Reports).

Senior .NET Developer to design, build, and maintain Microsoft-based web services and UIs using WebAPI/WCF, SOAP, Entity Framework, and SQL Server. Develop front-end components with CSS3 and Kendo UI, debug issues, and collaborate with teams. Local candidates only; in-person interview. 6+ month contract.

Develop, design, and maintain insurance applications with a focus on user interfaces. Collaborate with internal stakeholders and developers, execute projects end-to-end, implement UI and backend features, troubleshoot and refine code, and apply object-oriented and rules-based design patterns.

Design and develop middle-tier applications and services using Visual Studio 2013, .NET 4.5 and C#. Implement and maintain web/WCF/windows services, perform unit and integration testing, tune .NET performance, create installation/maintenance documentation, collaborate with development, QA, product and project teams, and work in an Agile environment to improve processes and deliver multi-tier applications.

Develop and maintain insurance applications as a senior .NET programmer. Build UIs using Knockout/Angular/Bootstrap, implement backend features in C#/ASP.NET with MVC and Entity Framework, collaborate with teams, execute projects from concept to delivery, and troubleshoot code.

Senior C#/.NET developer responsible for designing and developing MVC applications, working with MS SQL Server and Oracle, implementing data access with NHibernate/Entity Framework, building front-end features using JavaScript/jQuery/Angular, integrating SharePoint, and liaising with business stakeholders. 12+ month engagement; strong communication skills required.

Design, develop, and support custom .NET Windows and web applications. Deliver new features for special projects, troubleshoot and provide 24x7 production support, collaborate with BAs and solution integrators, create technical designs and documentation, and work with SQL developers to ensure quality delivery and operational improvements.

Lead .NET developer responsible for designing and building C#/.NET applications using object-oriented principles. Role requires strong communication skills for collaboration with clients and teams. 12+ month contract beginning 11/23.

Senior .NET developer responsible for designing, developing and maintaining insurance applications. Collaborate with clients and team members, execute projects from concept through delivery, implement UI using Angular/Knockout/Bootstrap and backend using C#/ASP.NET MVC, and assist in troubleshooting and testing.

Full-stack .NET developer focused on front-end integration for customer-facing websites. Work includes C#/ASP.NET, WCF, Web API/REST, SQL/stored procedures, and UI development with JavaScript, Angular, Bootstrap, and Knockout. Collaborate with business and BAs and provide tooling guidance.