Descripción del trabajo 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, SharePoint, 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, SharePoint Online , and handle authentication/authorization via Azure AD / Microsoft Entra ID . Data Management: Model relational data and optimize queries in MySQL . DevOps, Quality & AI: Work in Microsoft Azure environments, support CI/CD pipelines, execute frontend/backend testing (Jest, Cypress), and leverage AI-powered coding tools (GitHub 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, SharePoint Online, and Azure AD / Microsoft Entra ID. Databases: Relational databases, specifically MySQL. 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

📌 Desarrollador/A Fullstack (Madrid)
🏢 Alphabet Consulting
📍 Madrid