Top Senior .NET Developer Jobs in Phoenix, AZ

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

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.

Design, build, test, and deploy enterprise .NET web applications; integrate generative AI features using AWS Bedrock and Anthropic Claude; use AI-assisted coding tools; maintain CI/CD pipelines in Azure DevOps/TFS; optimize backend/data access and collaborate with architects, PMs, and analysts on solution delivery.

Design, build, test, and maintain full-stack web applications using .NET/C# and SQL. Optimize T-SQL, create technical documentation, write user stories, conduct unit testing, estimate work, and collaborate with users and teams for enhancements and issue resolution.

Develop and maintain .NET applications while migrating authentication from ADFS to Okta. Analyze customer requirements, implement and test software, use DevOps tools to build and deploy applications, and maintain migration, implementation, testing, and user-story documentation. Collaborate with technical teams, project managers, business owners, customers, and users to deliver technically sound projects on schedule and budget. The role is fully remote and supports Department of Justice applications.

Responsible for architecting and developing .NET web applications, defining product requirements, managing technical direction, and mentoring team members.

The .Net Web Developer will analyze, design, develop, test, and implement web applications, focusing on security and data management.

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

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.

Senior full-stack developer responsible for designing, developing, and maintaining .NET/Angular web applications. Tasks include adding features, bug fixes, performance tuning, troubleshooting complex issues, mentoring junior developers, supporting deployments, and ensuring security/compliance. Works in Agile teams, collaborates with architects, and may provide 24x7 production support.

Senior-level engineer responsible for complex platform design, coding, testing, performance tuning, and leading development efforts. Acts as technical escalation point, mentors developers, and delivers enterprise .NET/SQL solutions in an Agile/SCRUM environment.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Onsite senior .NET developer to design, write, test, debug, and modify applications. Work with teams to move code through development, test, and production environments and troubleshoot issues.

Develop, enhance, troubleshoot, test, and maintain web-based .NET applications. Implement new features, debug defects, participate in code reviews, perform unit and system testing, and deliver functionality in an Agile/Scrum environment while collaborating with team members and stakeholders.

Develop, analyze, modify, and create .NET (3.0–4.5) applications using C#. Build and maintain Web Forms and MVC apps, Entity Framework data access, WCF services, and advanced T-SQL queries. Use TFS for source control, produce technical documentation, perform unit testing and code reviews, and work within Agile/SDLC teams.

Onsite contract role in Phoenix for a Senior .NET Developer to perform full life-cycle application development, maintain and fix existing applications, and handle other assigned tasks. Requires strong C#, ASP.NET, JavaScript/jQuery, Oracle and SQL Server experience and familiarity with legacy Windows environments.

Design and implement complex reports; import/export and transform Oracle data; write queries, stored procedures, and T-SQL; develop .NET 4.5/C# applications and Oracle Forms 10g; perform unit testing and code reviews; create technical documentation; work within Agile/SDLC teams.

Design, develop, modify, test and debug ASP.NET/VB.NET web applications. Build and maintain ETL and reporting solutions using SSIS and SSRS. Work with IBM MQ integrations, troubleshoot issues, and promote code through development, test, and production environments.

Senior .NET developer responsible for designing, coding, testing, debugging, and maintaining web-based applications. Lead technical direction, manage releases with TFS, mentor developers, participate in code reviews, collaborate with architects/analysts and QA, and deliver features in an Agile/Scrum environment. Troubleshoot complex defects, implement WebAPIs and integrate with APIs/Azure, and build business intelligence solutions.