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/profesional. Jornada laboral hibrida.,

2 días presenciales (Plaza de la Lealtad, Madrid) / 3 días de teletrabajo✍Incorporación inmediata. Sobresaliente 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)
🏢 Alphabet Consulting
📍 Madrid