ALPHABET CONSULTING, S. L . es una empresa especializada en la provisión de Servicios TIC e Ingeniería para la gestión empresarial, ofreciendo soluciones diseñadas a medida de las necesidades de nuestros clientes.
About the Role:
We are looking for a Senior Full Stack Developer to drive the ongoing evolution of a corporate intranet platform used by multiple business units across an international hospitality group. You will work closely within a multidisciplinary team (Product Owner, UX/UI Designers, QA Engineers) to build robust, scalable solution architectures, develop RESTful APIs, and deliver seamless integrations with Microsoft 365, Share Point, and Azure .
Responsibilities:
Backend & Architecture: Design, develop, and maintain RESTful APIs in . NET / ASP. NET Core following modern design patterns (Clean / Hexagonal Architecture). Frontend (React SPA): Develop reusable UI components using modern React patterns (Hooks, Context), implement state management, and integrate client-side components with backend APIs. Microsoft Ecosystem Integrations: Integrate with Microsoft Graph,



Share Point Online , and handle authentication/authorization via Azure AD / Microsoft Entra ID . Data Management: Model relational data and optimize queries in My SQL . Dev Ops, Quality & AI: Work in Microsoft Azure environments, support CI/CD pipelines, execute frontend/backend testing (Jest, Cypress), and leverage AI-powered coding tools (Git Hub Copilot, Claude Code, etc.).
Requirements:
Experience:
4–5 years in Full Stack or Backend software development (minimum 3 years with . NET ).
Core Stack: . NET / ASP. NET Core + React SPA.
Microsoft Ecosystem: Microsoft Graph, Share Point Online, and Azure AD / Microsoft Entra ID.
Databases: Relational databases, specifically My SQL.
Testing: Experience with testing frameworks (Jest, React Testing Library, Cypress) and writing maintainable unit/integration tests.
Methodologies: Agile environments (Scrum/Kanban) and version control with Git.
Langua

📌 Programador full stack react (Madrid)
🏢 Hola Consultores
📍 Madrid