Senior .NET Technical Lead

Role: Senior .NET Technical Lead MUST BE US CITIZEN OR CURRENT GC HOLDER, unable to sponsor visas at this time Position Type: Contract to Hire Work Type: Hybrid 2-3 days in office Location: Tempe, AZ Travel: No travel expected Interview Process: Two (2) interviews with second interview on-site Key Responsibilities Leadership: Oversee one dev team (2-4 devs) under the guidance of an ArchitectDesign, develop, and maintain software applications, services, and APIsWrite clean, maintainable, and well-tested code in accordance with coding standardsImplement new features and enhance existing functionalityParticipate in technical design and architecture discussionsEnsure solutions are scalable, performant, and maintainableFollow established design patterns and development best practicesCreate unit, integration, and automated testsDebug and resolve defects found across environmentsSupport CI/CD pipelines and deployment activitiesMonitor application performance and resolve production issuesDocument technical solutions and operational procedures Qualifications & Responsibilities Minimum 8+ years of experience working with C#, .NET Core, and Angular (latest versions). Experience in deploying software solutions utilizing primarily the Microsoft .NET framework. Backend Technologies: .Net, C#, ASP.Net Web API, SQL ServerFrontend Technologies: Angular, TypeScript/JavaScript, HTML, CSSSolid understanding of RESTful API design and integration. Experience with SQL Server or other relational databases. Familiarity with Entity Framework, LINQ, and dependency injection. Knowledge of HTML5, CSS3, TypeScript, and responsive design principles. Ability to contribute to technical specifications and technical design documentation for the software development team. Ability to effectively analyze software source code to validate the application for business and technical requirements while supporting the improvement of the application. Ability to work collaboratively with a team addressing technical issues and problems. Proven experience in the use of Microsoft Azure DevOps (or Atlassian Jira). Must demonstrate ability to work independently and utilize critical thinking skills as required. Good understanding of Agile methodology including experience with Scrum methods and processes. Required: Daily hands-on use of AI coding assistants (GitHub Copilot, Claude Code, Cursor, or equivalent) on production code — not pilots or side projectsJudgment on where AI-assisted development works and where it doesn't, particularly on large legacy .NET codebasesExperience defining or enforcing team standards for reviewing and merging AI-generated codePreferred: Has measurably improved team throughput or quality using AI tooling and can speak to what they trackedComfortable coaching 2-4 developers on AI-assisted workflows and presenting results to peer leads #KSSJ