Data Scientist
Marlex Recruiting·Sant Cugat del Vallès, Spain
What they ask for
Have the right to work in Spain
Marlex Recruiting doesn't mention sponsorship in the ad.
Speak native-level Spanish
Listed as a requirement in the ad.
Work on-site in Sant Cugat del Vallès
No relocation package mentioned.
Have 5+ years of experience
Senior-level role.
Pulled from the advert automatically — the full ad is what counts.
This job was published 8 months ago
About the role
Design, lead, and evolve corporate data architecture, ensuring quality, scalability, and readiness for advanced analytics and AI. Act as the technical reference for the Data & BI area and work closely with the Data & BI lead, who owns the business vision and prioritization.
What you'll do
Main responsibilities
Data Engineering and Architecture
• Design and maintain end-to-end data architecture (sources, ingestion, transformation, consumption).
• Define data models oriented to analytical consumption and data products, not just reporting.
• Evolve the Data Warehouse / Lakehouse toward a scalable and maintainable model.
• Establish modeling standards (dimensional, semantic layer, certified datasets).
Automate data pipelines
• Design automated, robust, and observable data pipelines.
• Eliminate manual processes, ad-hoc scripts, and fragile dependencies.
• Implement error control, automatic retries, and alerting.
• Guarantee SLAs for data freshness, availability, and quality.
Data quality and governance
• Define and implement data quality rules with automatic validations.
• Ensure traceability, lineage, and consistency of data.
• Collaborate on defining Data Contracts and standards for datasets.
• Actively participate in data governance alongside the Data & BI lead.
Readiness for advanced analytics and AI
• Prepare datasets suitable for analytical models and machine learning (historical, granularity, features).
• Lead pilots for forecasting, scoring, or other predictive models of value.
• Establish the foundations of MLOps: versioning, reproducibility, and deployment to production.
• Facilitate the integration of analytical results into business processes.
Technical leadership
Act as the technical reference for the Data team
• Raise the team's technical level through best practices and code reviews.
• Make technical decisions on the "how" (architecture, tools, patterns), aligned with the area's objectives.
• Collaborate in a structured way with BI, business stakeholders, and IT.
What we're looking for
Essential requirements
• More than 5 years of experience in Data Engineering or Analytics Engineering.
• Advanced SQL.
• Solid experience in:
• Data Warehouse / Lakehouse
• Dimensional modeling
• ETL / ELT pipelines
Nice to have
Desirable
• Power BI (semantic model and datasets, not just visualization).
• Cloud stack (preferably Azure).
• Python, Spark, dbt, or equivalent tools.
• Experience preparing data for ML / AI use cases.
About the company & team
Organizational relationship
• Reports to: Data & BI Lead
• Collaborates with: BI / Reporting, business stakeholders, IT / Systems
• Does not lead business prioritization; leads execution and technical design.
Professional profile
• Product mindset, not just project-based.
• Ability to structure, prioritize, and simplify.
• Technical rigor with a pragmatic approach.
• Ability to identify and anticipate scalability issues.
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Role success indicators
• Data stability and reliability.
• Reduction of manual incidents and rework.
• Improved time-to-data.
• Team capacity to evolve beyond reporting.
• Technical foundation ready for data products and advanced analytics.
Additional information
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Technical requirements
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About the role
Diseñar, liderar y evolucionar la arquitectura de datos corporativa, garantizando calidad, escalabilidad y preparación para analítica avanzada e IA. El rol actúa como referente técnico del área de Data & BI y trabaja en estrecha colaboración con el responsable of Data & BI, que lidera la visión de negocio y la priorización.
What you'll do
Responsabilidades principales
Data Engineering y Arquitectura
• Diseñar y mantener la arquitectura de datos end-to-end (orígenes, ingesta, transformación y consumo).
• Definir modelos de datos orientados a consumo analítico y data products, no únicamente a reporting.
• Evolucionar el Data Warehouse / Lakehouse hacia un modelo escalable y mantenible.
• Establecer estándares de modelado (dimensional, capa semántica, datasets certificados).
Automatización de pipelines de datos
• Diseñar pipelines de datos automáticos, robustos y observables.
• Eliminar procesos manuales, scripts ad-hoc y dependencias frágiles.
• Implementar control de errores, reintentos automáticos y alertas.
• Garantizar SLAs de frescura, disponibilidad y calidad del dato.
Calidad del dato y gobernanza técnica
• Definir e implantar reglas de calidad del dato con validaciones automáticas.
• Asegurar trazabilidad, linaje y consistencia de los datos.
• Colaborar en la definición de Data Contracts y estándares de datasets productivos.
• Participar activamente en la gobernanza del dato junto al Head of Data & BI.
Preparación para analítica avanzada e IA
• Preparar datasets aptos para modelos analíticos y de machine learning (históricos, granularidad, features).
• Liderar pilotos de forecasting, scoring u otros modelos predictivos de valor.
• Diseñar las bases de MLOps: versionado, reproducibilidad y paso a producción.
• Facilitar la integración de resultados analíticos en procesos de negocio.
Liderazgo técnico
• Actuar como referente técnico del equipo de Data.
• Elevar el nivel técnico del equipo mediante buenas prácticas y revisión de soluciones.
• Tomar decisiones sobre el "cómo" técnico, alineado con los objetivos del área.
• Colaborar de forma estructurada con BI, negocio e IT.
What we're looking for
Imprescindibles
• Más de 5 años de experiencia en Data Engineering o Analytics Engineering.
• SQL avanzado.
• Experiencia sólida en:
• Data Warehouse / Lakehouse
• Modelado dimensional
• Pipelines ETL / ELT
Nice to have
Deseables
• Power BI (modelo semántico y datasets, no solo visualización).
• Stack cloud (preferiblemente Azure).
• Python, Spark, dbt u herramientas equivalentes.
• Experiencia preparando datos para casos de uso de ML / IA.
About the company & team
Relación organizativa
• Reporta a: Data & BI STL
• Colabora con: BI / Reporting, stakeholders de negocio, IT / Sistemas
• No lidera la priorización de negocio; lidera la ejecución y el diseño técnico.
Perfil profesional
• Mentalidad de producto, no solo de proyecto.
• Capacidad de estructurar, priorizar y simplificar.
• Rigor técnico con enfoque pragmático.
• Capacidad de identificar y anticipar problemas de escalabilidad.
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Indicadores de éxito del rol
• Estabilidad y fiabilidad del dato.
• Reducción de incidencias manuales y retrabajo.
• Mejora del time-to-data.
• Capacidad del equipo para evolucionar más allá del reporting.
• Base técnica preparada para data products y analítica avanzada.
Additional information
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Requisitos técnicos
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You'll most likely need Spanish to apply.This job was automatically translated to English, .
About the company
Marlex Recruiting
Recruiting
Marlex Recruiting is a staffing agency.They recruit for client companies, so the employer you would work for is not named on this ad.