Telefónica is one of the world's largest telecommunications providers, operating a vast network across Europe and Latin America. Headquartered in Madrid, the company provides a comprehensive suite of services including mobile and fixed connectivity, digital television, and advanced technology solutions such as cybersecurity, cloud computing, and IoT through its major brands like Movistar and O2.

As a Spanish multinational and a cornerstone of the IBEX 35, Telefónica is a primary destination for international professionals in Spain. The company maintains a massive corporate ecosystem that fosters innovation through its Telefónica Tech and Telefónica Global Technology divisions, offering a multicultural environment with significant opportunities for career progression in engineering, data science, and digital transformation.

Founded in 1924 as Compañía Telefónica Nacional de España (CTNE), it was originally a state-owned monopoly before being fully privatized in the 1990s. Since then, it has expanded aggressively into international markets, particularly in Latin America and Europe.

For international professionals

Telefónica is one of Spain's largest employers, providing high job stability and a structured corporate career path.
The company's global headquarters, 'Distrito Telefónica' in Madrid, is a massive campus featuring its own health centers, sports facilities, and diverse dining options.
They offer specialized 'Talentum' programs and internships that are highly accessible to international graduates and young professionals.
While Spanish is the primary language for local operations, English is frequently used within their global technology, cybersecurity, and strategy departments.
The company has a strong presence in multiple Spanish regions beyond Madrid, including major tech hubs in Barcelona and Logroño.

Altostratus_Software Developer/Architect

Telefónica

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

WHAT IS ALTOSTRATUS?

Altostratus is a company specializing in Cloud solutions and digital transformation, recognized for its focus on Google Cloud technologies. We help organizations modernize their infrastructures, optimize their data, and accelerate their innovation through migration, analytics, artificial intelligence, and cloud application development services.

We have a team of professionals passionate about technology who work daily to offer agile, efficient solutions tailored to the needs of each client. Our commitment to excellence, proximity, and teamwork allows us to accompany companies from different sectors in their digital evolution.

If you identify with an innovative, collaborative, and results-oriented culture, we would love to meet you!

www.altostratus.es

📌 A Senior Developer/Architect to lead the technical part of the migration from Dialogflow to the Google Agent Development Kit (ADK). They will be responsible for the infrastructure, the backend, and the integration of AI with core systems.

🙋♂️🙋♀️ If you are a passionate person with solid knowledge in specific tools such as Python, Java, GO among others... Don't hesitate, this is your opportunity, get on the

cloud: the sky's the limit 🚀 !

👀 But first, let us explain who we are... Altostratus Cloud Consulting is a cloud services consultancy, an AWS Partner and one of the most important premier partners of Google Cloud in Spain, reaching the highest level of Google Cloud Platform certification. We are a young, dynamic, and growing company, with offices in Madrid and Barcelona, although remote work is part of our DNA.

What would we need from you? Main tasks in ...

ADK Refactoring: Migrate Dialogflow fulfillment logic and connectivity to modular code under the Google ADK framework (Python/Node.js).
Deployment and Cloud Run: Configure containers and orchestrate the deployment of agents in Google Cloud Run, ensuring high availability.
APIs and Webhooks: Develop the connectors that the agent will need to query in real time.

Technical Requirements:

Google ADK: Demonstrable experience or solid knowledge of the Google Agent Development Kit (ADK). Experience working with other agentic frameworks or SDKs (such as LangChain, LangGraph, LlamaIndex, CrewAI, Microsoft AutoGen, etc.) will be valued.
Backend Development: Senior programming level in Python or Node.js (essential for refactoring and logic creation).
Integration and Architecture: Knowledge of conversational architectures and REST API development for connection with client systems.

👉 Therefore, if you have the ability to understand client needs and the aspects

related to the creation and maintenance of a web application. You complement your knowledge with a generous amount of communication skills that allow you to align with the rest of the developers. You feel like a fish in water in different environments, you are polyglot when it comes to programming languages and there is no back-end framework that resists you... This is your place.

If we haven't convinced you yet, if you join the #equipoaltostratus you will be able to count on ...

🤝 Permanent contract

🚀 Attractive compensation package + YEAR-END BONUS based on objectives

✔ Social benefits (meal vouchers, health insurance, language classes, Wellhub)

🏡 Hybrid position and remote work possibility

⏱️ Flexible start and end times

🎉 Intensive workday on Fridays, Eves of holidays, during Summer and Easter

🏖️ 23 vacation days + 3 personal days + day off for birthday 🎂

If you are ready to embark on this adventure, we would love to meet you and chat with you😊💬!

🤝At Altostratus, we embrace diversity in all its forms, including race, religion, age, functional abilities, or gender identity. We believe that difference enriches our teams, our culture, and the services we offer our clients. 🌍

#AltostratusCloudConsulting #Talent #CloudEnvironment #JobOpportunity #PremierPartnerGooglecloudSpain

"Altostratus Cloud Consulting promotes equal opportunity and diversity in its teams. We encourage all people to apply, regardless of their gender, sexual orientation, gender identity, ethnic origin, religion, disability, or any other personal characteristic. By applying for the vacancy, you authorize the processing of your data solely for the personnel selection processes carried out by the entity. Please note that the processing of your data is necessary to carry out said personnel selection"

View original advert (Spanish)

¿QUÉ ES ALTOSTRATUS?

Altostratus es una compañía especializada en soluciones Cloud y transformación digital, reconocida por su enfoque en tecnologías de Google Cloud. Ayudamos a las organizaciones a modernizar sus infraestructuras, optimizar sus datos y acelerar su innovación mediante servicios de migración, analítica, inteligencia artificial y desarrollo de aplicaciones en la nube.

Contamos con un equipo de profesionales apasionados por la tecnología que trabajan a diario para ofrecer soluciones ágiles, eficientes y adaptadas a las necesidades de cada cliente. Nuestro compromiso con la excelencia, la cercanía y el trabajo en equipo nos permite acompañar a empresas de distintos sectores en su evolución digital.

Si te identificas con una cultura innovadora, colaborativa y orientada a resultados, ¡nos encantará conocerte!

www.altostratus.es

📌 Un/a Desarrollador/Arquitecto Senior para liderar la parte técnica de la migración de Dialogflow al Google Agent Development Kit (ADK). Será el responsable de la infraestructura, el backend y la integración de la IA con los sistemas core.

🙋♂️🙋♀️ Si eres una persona apasionada, con sólidos conocimientos en herramientas específicas tales como Python, Java, GO entre otros... ¡No lo dudes, esta es tu oportunidad, súbete a la

nube: the sky's the limit 🚀 !

👀 Pero antes déjanos explicarte quiénes somos ... Altostratus Cloud Consulting es una consultora de servicios cloud, Partner de AWS y uno de los partners premier más importantes de Google Cloud en España, alcanzando el máximo nivel del certificación de Google Cloud Platform. Somos una empresa joven, dinámica y en pleno crecimiento, con oficinas en Madrid y Barcelona, aunque el teletrabajo forma parte de nuestro ADN.

¿Qué es lo que necesitaríamos de ti? Principales tareas en ...

Refactorización a ADK: Migrar la lógica de fulfillment y conectividad de Dialogflow hacia un código modular bajo el framework ADK de Google (Python/Node.js).
Despliegue y Cloud Run: Configurar contenedores y orquestar el despliegue de los agentes en Google Cloud Run, garantizando alta disponibilidad.
APIs y Webhooks: Desarrollar los conectores que el agente necesitará consultar en tiempo real.

Requisitos Técnicos:

Google ADK: Experiencia demostrable o conocimientos sólidos con el Google Agent Development Kit (ADK). Será valorable haber trabajado con otros frameworks o SDKs agénticos (como LangChain, LangGraph, LlamaIndex, CrewAI, Microsoft AutoGen, etc.).
Desarrollo Backend: Nivel de programación Senior en Python o Node.js (esencial para la refactorización y creación de la lógica).
Integración y Arquitectura: Conocimiento de arquitecturas conversacionales y desarrollo de APIs REST para la conexión con los sistemas del cliente

👉 Por lo que si tienes la habilidad de comprender las necesidades del cliente y los aspectos

relacionados con la creación y mantenimiento de una aplicación web. Aderezas tus nociones con una generosa cantidad de skills comunicativas que te permiten alinearte con el resto de los desarrolladores. Te sientes como pez en el agua en diferentes entornos, eres políglota en lo que a lenguajes de programación se refiere y no hay framework de back-end que se te resista...Este es tu sitio.

Si todavía no te hemos convencido, si te sumas al #equipoaltostratus vas a poder contar con ...

🤝 Contrato indefinido

🚀 Atractivo paquete retributivo + BONO a finalizar el año por objetivos

✔ Beneficios sociales (ticket restaurant, seguro médico, clases de idiomas, Wellhub)

🏡 Posición híbrido y posibilidad de teletrabajo

⏱️Flexibilidad horaria de entrada y salida

🎉 Jornada intensiva los Viernes,Vísperas de festivo, durante Verano y Semana Santa

🏖️ 23 días de vacaciones + 3 días de asuntos propios + día libre por cumpleaños 🎂

Si estás listo/a para embarcarte en esta aventura ¡nos encantaría conocerte y charlar contigo😊💬!

🤝Desde Altostratus abrazamos la diversidad en todas sus vertientes, incluyendo raza, religión, edad, capacidades funcionales o identidad de género. Creemos que la diferencia enriquece a nuestros equipos, a nuestra cultura y a los servicios que ofrecemos a nuestros clientes. 🌍

#AltostratusCloudConsulting #Talento #Entornocloud #Oportunidadlaboral #PremierPartnerGooglecloudEspaña

"Altostratus Cloud Consulting fomenta la igualdad de oportunidades y la diversidad en sus equipos. Animamos a postularse a todas las personas, independientemente de su género, orientación sexual, identidad de género, origen étnico, religión, discapacidad o cualquier otra característica personal. Al aplicar a la vacante, usted autoriza el tratamiento de sus datos únicamente para los procesos de selección de personal realizados por la entidad. Tenga en cuenta que el tratamiento de sus datos es necesario para realizar dicha selección de personal"