> Markdown version of [/jobs/ext/315679-senior-backend-developer-node-js-net-8-asp-net-core-presencial-valencia](https://www.wearedevelopers.com/jobs/ext/315679-senior-backend-developer-node-js-net-8-asp-net-core-presencial-valencia). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# SENIOR BACKEND DEVELOPER NODE.JS /.NET 8 / ASP.NET CORE (PRESENCIAL VALENCIA)

- **Company:** IRIUM
- **Location:** Valencia, Spain
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Data Analysis, Microsoft Azure, Cloud Storage, Continuous Integration, Key Management, PostgreSQL, SQL Azure, Node.Js, Azure Active Directory, Azure Machine Learning, Azure Data Factory, Backend, Fastapi, Kubernetes, Cosmos DB, Azure AKS, Restful APIs, Docker
- **Published:** June 4, 2026
- **Apply:** https://opcionempleo.com/jobad/esd3f670f773c593414c87e10e0044ac1a

## About the Role

Buscamos un/a Senior Backend Developer con más de 5 años de experiencia en desarrollo backend en entornos de producción con dominio sólido de Node.js O .NET 8 / ASP.NET Core., * Node.js o .NET 8.

 * Azure Data Factory y Azure Document Intelligence.
 * Azure Cognitive Search y LightRAG.
 * Azure OpenAI.
 * Azure SQL, PostgreSQL, Azure Cosmos DB (memoria de agentes), Azure Blob Storage.
 * Langchain, Langgraph, FastAPI, A2A, AG-UI y MCP.
 * AIDA usando Mastra.
 * Azure Monitor y Azure Log Analytics.
 * Azure ML.
 * Azure OpenAI y Azure Machine Learning.
 * Azure Active Directory.
 * Azure Key Vault.
 * Azure Kubernetes Service (AKS).
 * Azure App Service · Azure Static Web Apps.
 * APIs RESTful.
 * Docker / Kubernetes / AKS.
 * CI/CD.

-Inglés avanzado C1.



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