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.

Por favor, lea detenidamente la siguiente descripción del puesto para asegurarse de que encaja con el perfil antes de enviar su solicitud.

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 Git.
- Languages: English proficiency is required.

Nice to Have:

- Experience building corporate intranets, employee portals, or complex business systems.
- Familiarity with microservices or modular monolith architectures.
- Hands-on experience applying Artificial Intelligence (AI) to software development workflows.

Beneficios:

Contrato laboral indefinido y estabilidad desde el primer día.

Todo nuestro apoyo para tu desarrollo personal/profesional.

Jornada laboral hibrida., 2 días presenciales (Plaza de la Lealtad, Madrid) / 3 días de teletrabajoIncorporación inmediata.

Excelente clima laboral.

Protegido médico privado con Adeslas (completo + dental).

Pago del 100% exámenes de certificación oficial.

Pago parcial de cualquier curso de IT/Data.

Grandes proyectos con tecnologías avanzadas. xsgfvud

¡Únete a nuestro equipo! ¡En AlphabetCons apostamos por ti!

📌 Programador full stack React &.NET (Senior) (Madrid)
🏢 Alphabet Consulting
📍 Madrid