knowmad mood is a leading Spanish technology consulting firm specializing in digital transformation, software development, and IT strategy. With a workforce of over 2,500 professionals, the company provides high-impact services across various sectors including banking, insurance, and retail, helping organizations navigate complex technological shifts through innovation and agile methodologies.

Headquartered in Madrid, the company maintains a significant presence across Spain with multiple regional hubs and a strong culture of remote work. For international professionals, knowmad mood is an attractive employer due to its involvement in large-scale international projects, frequent requirements for English-speaking talent, and a flexible "work from anywhere" policy for many of its technical roles.

Founded in 1994 as atSistemas, the company rebranded to knowmad mood in 2023 to reflect its international expansion and digital transformation focus. It is currently listed on the BME Growth market and continues to grow through both organic development and strategic acquisitions.

For international professionals

Offers a high volume of 100% remote roles, allowing employees to live anywhere in Spain.
Many positions specifically require high English proficiency (C1 level), making it accessible for international talent.
Publicly traded on the BME Growth market, indicating financial stability and corporate transparency.
Operates multiple physical offices in major Spanish cities including Madrid, Barcelona, and Palma de Mallorca for those preferring hybrid work.
Actively hires for modern tech stacks including AI, Cloud (AWS/Azure), and DevOps.

Sr Fullstack AI Engineer (LLM, RAG & Knowledge Graphs)

knowmad mood

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

Job Description

We are knowmad mood!

Are you passionate about building Generative AI applications that are used in real business environments?

We are looking for a Senior Fullstack AI Engineer to participate in the development of an innovative Artificial Intelligence-based platform that will transform business data, scientific knowledge, and knowledge graphs into actionable information for Marketing, Customer Experience, and strategic planning areas within a multinational client.

You will work in an international environment, collaborating with Product Owners, architects, and engineering teams in the development of solutions based on LLMs, Agentic AI, RAG and GraphRAG, structured and unstructured data, scalable cloud platforms,...

What will be your mission in the project?

Design and develop applications based on LLMs and GenAI.
Build RAG and GraphRAG systems to extract knowledge from large volumes of information.
Implement AI agents and advanced workflows.
Develop scalable APIs and backend services.
Design data pipelines and integrations with enterprise platforms.
Optimize performance, quality, and traceability of AI solutions.
Participate in technical decisions within an Agile environment.

Minimum Requirements

Solid experience developing software in production environments (Python, TypeScript, Node.js, FastAPI, Rust, Java).
Real-world experience building solutions with LLMs.
Experience working with Azure OpenAI, Azure AI Services, OpenAI, Antropic, Gemini, Amazon Bedrock.
Experience working with AI Frameworks.
Advanced knowledge of RAG, embeddings, and vector databases.
Experience with cloud-native architectures and microservices.
Ability to transform business needs into technical solutions.
Fluent English (C1).

What do we offer?

Permanent contract
Remote work model 🏡. Option to work from offices, but always at the employee's choice.
Flexible schedule ⏰: flexible hours, starting at 8:00 AM and finishing at 4:00/5:00 PM
Vacations 🌴: 22 vacation days + 2 personal days, in addition to December 24th and 31st off.
Permanent contract 📄: From day one, with the option of 12 or 14 payments.
Flexible compensation 💳: Restaurant card, childcare vouchers, health insurance, training, and other benefits with tax advantages.
Benefits club 🎁: Discounts on technology, leisure, and training.
Continuous training 📚: Access to Udemy Business, language courses, official certifications, and technical training.
Career plan 🚀: Support to grow, specialize, or take on new challenges.
Integral wellbeing 💚: Nutrition, physical activity, and emotional balance programs.
Work-life balance +VIDA 👨 👩 👧 👦: 24/7 personal and family assistance.
Inclusive environment 🌍: Diverse and multicultural environment.
Social events 🎮: Activities to connect with the team.

Sign up and we will give you more details! 🚀

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At knowmad mood> we are committed to equal opportunity and respect for diversity. We apply our Equality Plan and the principle of non-discrimination in all our selection processes.

View original advert (Spanish)

We are knowmad mood!

¿Te apasiona construir aplicaciones de IA Generativa que se utilizan en entornos reales de negocio?

Estamos buscando un/a Senior Fullstack AI Engineer para participar en el desarrollo de una plataforma innovadora basada en Inteligencia Artificial que transformará datos empresariales, conocimiento científico y grafos de conocimiento en información accionable para áreas de Marketing, Customer Experience y planificación estratégica dentro de multinacional cliente.

Trabajarás en un entorno internacional, colaborando con Product Owners, arquitectos y equipos de ingeniería en el desarrollo de soluciones basadas en LLMs, Agentic AI, RAG y GraphRAG, datos estructurados y no estructurados, plataformas cloud escalables,...

¿Cuál será tu misión en el proyecto?

Diseñar y desarrollar aplicaciones basadas en LLMs y GenAI.
Construir sistemas RAG y GraphRAG para extraer conocimiento de grandes volúmenes de información.
Implementar agentes de IA y workflows avanzados.
Desarrollar APIs y servicios backend escalables.
Diseñar pipelines de datos e integraciones con plataformas empresariales.
Optimizar rendimiento, calidad y trazabilidad de soluciones de IA.
Participar en decisiones técnicas dentro de un entorno Agile.

Requisitos mínimos

Experiencia sólida desarrollando software en entornos productivos (Python, TypeScript, Node.js, FastAPI, Rust, Java).
Experiencia real construyendo soluciones con LLMs.
Experiencia trabajando con Azure OpenAI, Azure AI Services, OpenAI, Antropic, Gemini, Amazon Bedrock.
Experiencia trabajando con Frameworks IA.
Conocimientos avanzados de RAG, embeddings y vector databases.
Experiencia con arquitecturas cloud-native y microservicios.
Capacidad para transformar necesidades de negocio en soluciones técnicas.
Inglés fluido (C1).

¿Qué ofrecemos?

Contrato indefinido
Modelo de trabajo en remoto 🏡. Opción de ir a trabajar a oficinas pero siempre a elección del trabajador.
Horario flexible ⏰: horario flexible entrada 8.00h salida 16.00/17.00h
Vacaciones 🌴: 22 días de vacaciones + 2 días de libre disposición, además de los días 24 y 31 de diciembre libres.
Contrato indefinido 📄: Desde el primer día, con opción de 12 o 14 pagas.
Retribución flexible 💳: Tarjeta restaurante, cheque guardería, seguro médico, formación y otros beneficios con ventajas fiscales.
Club de ventajas 🎁: Descuentos en tecnología, ocio y formación.
Formación continua 📚: Acceso a Udemy Business, cursos de idiomas, certificaciones oficiales y formación técnica.
Plan de carrera 🚀: Acompañamiento para crecer, especializarte o asumir nuevos retos.
Bienestar integral 💚: Programas de nutrición, actividad física y equilibrio emocional.
Conciliación +VIDA 👨 👩 👧 👦: Asistencia personal y familiar 24/7.
Ambiente inclusivo 🌍: Entorno diverso y multicultural.
Eventos sociales 🎮: Actividades para conectar con el equipo.

¡Apúntate y te daremos más detalles! 🚀

Para estar al corriente de nuestras novedades síguenos aquí -> knowmad mood

En knowmad mood nos comprometemos con la igualdad de oportunidades y el respeto a la diversidad. Aplicamos nuestro Plan de Igualdad y el principio de no discriminación en todos nuestros procesos de selección.