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 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/competente.

Jornada laboral hibrida.,

2 días presenciales (Plaza de la Lealtad, Madrid) / 3 días de teletrabajo Incorporación inmediata.

Excelente clima laboral.

Seguro 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.

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

📌 Programador full stack React &.NET (Senior) (Madrid)
🏢 Hola Consultores
📍 Madrid