*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 co

📌 Programador full stack React (Madrid)
🏢 Alphabet Consulting
📍 Madrid