Top Senior .NET Developer Jobs in Phoenix, AZ

Develop and maintain web applications using C# and ASP.NET (MVC). Assist with database design and create stored procedures. Work with Microsoft SQL Server, SSRS/SSIS, Crystal Reports, TFS, and Agile/SDLC processes in an onsite Phoenix environment.

Design, code, test and debug web applications using the full SDLC. Implement SQL Server solutions and SSRS reports, analyze automation requests, create estimates and schedules, produce technical SDM documents, and liaise with users to support enhancements and resolve issues.

Design and implement complex reports; import/export, manipulate and reformat Oracle/SQL data; write queries, stored procedures and T-SQL; use data modeling and relational DB concepts. Develop .NET solutions in C# using XML, MVC, Web Forms, Entity Framework, MS Enterprise Libraries and WCF. Perform unit testing, code reviews, produce technical documentation, and work within Agile/SDLC teams using Visual Studio and TFS.

Onsite senior .NET developer responsible for developing, testing, and troubleshooting internet applications using .NET Framework 4.0, MVC, and WCF. Work extensively with SQL Server 2008 and Windows environments; use TFS for source control. Must pass background check.

Develop and enhance time-critical Microsoft .NET web applications. Gather business requirements, design systems, implement features using C#, ASP.NET, MVC and jQuery; write MS SQL queries and stored procedures; perform testing, QA and documentation; collaborate across teams to deliver large, complex projects.

Convert a PowerBuilder 12 application to the .NET platform. Develop ASP.NET/C# web applications, perform T-SQL/SQL Server database programming, apply PowerBuilder expertise, and ensure strong web application security. Onsite contract role in Phoenix; background check required.

Develop, enhance, troubleshoot, test, and maintain web-based applications and scalable APIs (WCF/Web API SOAP/REST). Participate in design, code reviews, unit/system testing, and deliver features in an Agile/Scrum environment. Work onsite with minimal direction and support integration with SQL Server and front-end technologies.

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.

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

Design, develop, test, and maintain enterprise .NET full-stack applications using C#, Blazor, RESTful APIs, microservices, MongoDB/SQL Server and Kafka. Build CI/CD pipelines, participate in architecture and code reviews, troubleshoot production issues, mentor junior engineers, and evaluate/implement AI-assisted and LLM-enabled features while following secure development practices within Agile 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.

Develop and maintain complex desktop UI applications using WPF and/or Silverlight. Lead GUI/UX design, implement .NET/C# application architecture, integrate with databases via ADO.Net/ODBC/Oracle SQL, and implement WCF services. Support reporting frameworks (Sharpshooter, Telerik, SSRS) and contribute to debugging and Visual Studio-based development.

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.

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.