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# Senior .NET & AI Platform Engineer

- **Company:** Sonata Software Limited
- **Location:** San Antonio, TX, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Artificial Intelligence, Amazon Web Services, C Sharp (Programming Language), Code Review, Software Engineering, Large Language Models, AI Platforms, Api Design, Serverless Computing
- **Published:** November 14, 2026
- **Apply:** https://www.nettemps.com/us/en/W032AFC3B146DAEAC55.ntap

## About the Role

* 8+ years ofprofessional software engineering experience, with deep C#, .NET, ASP.NETCore, API design, distributed-systems, and automated-testing expertise.
 * Production experiencedesigning agentic or LLM-enabled systems with orchestration, tool calling,context management, structured outputs, evaluation, and failure recovery.
 * Strong AWS architectureand operations experience across containers or serverless compute,messaging, workflows, identity, secrets, networking, observability, andCI/CD.
 * Experience integratingan enterprise LLM platform through governed interfaces and designingprovider-neutral contracts.
 * Experience withauthorization, workload identity, secure connectors, secrets, PIIprotection, auditability, and AI threat modeling.
 * Experience establishingevaluation gates, telemetry, cost controls, and production incidentdiagnostics for AI or distributed platforms.
 * Strong architecturalcommunication, technical decision-making, code-review, and mentoringskills.