Data scientist Junior & Senior
Amazon
Senior Data Scientist, MAPLE - Recommender System
Are you excited by the idea of developing personalized experiences for Amazon customers as they shop? Participate in the design, development, evaluation, deployment and updating of data-driven models for shopping personalization.
Develop and test new signals for improving recommendation models.
Design A/B tests and conduct statistical analysis on their results.
Work with distributed machine learning and statistical algorithms to harness enormous volumes of data at scale to serve our customers.
Mentor junior engineers and scientists.
5+ years of data querying languages (e.g. SQL), scripting languages (e.g. Python) or statistical/mathematical software (e.g. R, SAS, Matlab, etc.) 4+ years of data scientist experience
~ 2+ years experience in causal machine learning
2+ years of data visualization using AWS QuickSight, Tableau, R Shiny, etc. Experience managing data pipelines
~ Experience as a leader and mentor on a data science team
- ...Senior Data Scientist - EY wavespace - AI & Data CoE Location: Madrid Other locations: Primary Location Only Date: 12 Feb 2026 Requisition... ...finance domain. ~ Experience developing complex software systems that have been deployed to an active userbase. ~...Senior
- ...Overview At ING we are looking for a Senior Data Scientist to join our Advanced Analytics Team... ...-making models, churn prediction, recommendation systems, NLP solutions, income and expense... ...Workday and LinkedIn as its recruitment system. Submissions should be via our...SeniorTrabajar en la oficinaHorario flexible
- ...Senior Data Scientist (MLOps) - EY wavespace - AI & Data CoE Location: Madrid Other locations... ...MLOps solutions into existing systems and workflows, ensuring seamless deployment... ...applications. Monitor and analyze system performance, identifying areas for improvement...Senior
1400 €/mensuales
...of Large Language Models, AWS cloud services, and data pipelines to deliver scalable and reliable AI systems. At ERNI, you are never just a number. Even if you... ...value experience and technical knowledge. As a senior profile, you will have the space to continue growing...SeniorTemporalTrabajar en la oficinaTrabajo híbridoTurno de tarde1 día a la semana2 días a la semana- ...among many others! As a Data Scientist on the Product Engagement team... ...mission is to push our recommendation and personalization capabilities... ...Partner closely with the Senior Analyst to turn user journey... ...evaluating or improving how a system decides what content,...SeniorTemporalPatrocinio de visaDesde casaRemoto
- ...the design and development of AI-powered applications. This role involves architecting scalable systems, writing high-quality code, and collaborating closely with AI and data specialists. The ideal candidate will have over 5 years of experience in Python development,...SeniorTrabajo híbrido
- ING Group is seeking a Senior Data Scientist to join its Advanced Analytics Team in Madrid. This role involves developing AI models and analytical products with a focus on innovation in Machine Learning and Big Data. Key responsibilities include owning the design and delivery...SeniorHorario flexible
- ...SITA in Madrid is looking for a Data Scientist to enhance the Air Transport Industry through data modeling and machine learning. You will collaborate with various stakeholders to implement technical solutions aimed at improving operations. The position requires a Master...SeniorRemoto
- A leading healthtech firm in Madrid seeks an experienced Data Scientist with a strong background in machine learning and data analysis. The ideal candidate has over 4 years of hands-on experience in neural networks, is skilled in Python and R, and can design algorithms...SeniorRemotoHorario flexible
- ERNI - Swiss Software Engineering is searching for a professional to lead the development of an LLM-based transcription analysis solution in Madrid. The ideal candidate possesses strong Python and AWS skills, with a solid understanding of LLMs and NLP. ERNI fosters a mentoring...SeniorHorario flexible
- ...Kairós Digital Solutions SL busca un Data Scientist apasionado en Madrid para diseñar soluciones de análisis avanzado. La posición implica desarrollar modelos de forecasting y pricing en producción, asegurar calidad en MLOps y colaborar en equipos técnicos. Se valoran...SeniorRemoto
de 38000 a 53000 €/año
A progressive mobility company in Madrid seeks a Senior Data Scientist for the Marketing team. The candidate will lead data-driven projects and enhance analytics capabilities using SQL, Tableau, and various data warehouses. Required qualifications include a graduate degree...SeniorTrabajo híbrido- MCA Groupe busca un Data Scientist en Barcelona para trabajar en un entorno híbrido. El candidato será responsable de analizar datos, construir modelos y colaborar con equipos de Data Engineering. Se requiere experiencia en Python o R, técnicas estadísticas y un nivel...SeniorTrabajo híbrido
- ...last visit (returning visit). The cookie is updated every time data is sent to Google Analytics.* **\_\_utmb Cookie*** **\_\_utmc Cookie... ...and insights through reports, dashboards, and presentations to senior leadership. • Research & Innovation: Stay updated with the...Senior
- ...commercially significant hire. You will be the Data Science business partner for Spain and... ...and communicating that value clearly to senior stakeholders. You will also support the... ...client experience. Mentor and coach Data Scientists within the region, raising standards of...SeniorTiempo completoRemoto
- ...qualified teams. We leverage technology, data, sourcing, security and investment allocation... ...to foster better decision making by Senior Management Guarantee and develop a strong... ...in Data Protection, Information Systems, AI Compliance Technical skills Strong...SeniorContrato
- ...Únete a MCA | Oportunidad Data Scientist en entorno internacional Como empresa internacional de ingeniería y alta tecnología, en MCA potenciamos... ...| Modalidad: Híbrida-Presencial | Nivel: Mid-level / Senior | Salario: Según experiencia ¿En qué consistirá tu trabajo?...Senior
- ...and your family. Your Impact As a Data Scientist, you will collaborate with clients and interdisciplinary... ...style to suit different perspectives and seniority levels ~ Willingness to travel Company: McKinsey & Company Senior (5+ years of experience) }#J-18808-...SeniorAprendiz
- ...preventing heart disease. About you Responsabilities: Data Analysis and Modeling: Develop, implement, optimize and validate... ..., large is not only in quantity. ~ Autonomy & Teamwork: Seniority to execute end-to-end projects with minimal supervision while...SeniorTrabajar en la oficinaDesde casaRemoto
- ...Ernst & Young Advisory Services Sdn Bhd busca un Consultor con experiencia mínima de 3 años en Data Science, para contribuir en proyectos a nivel nacional e internacional. La posición permite un modelo de trabajo híbrido y fomenta el bienestar personal con un programa...SeniorTrabajo híbrido
- ...En JAKALA buscamos un perfil de Data Scientist Senior Consultant que pueda liderar el proyecto de machine learning y analítica avanzada en uno de nuestros principales clientes. Funciones : Diseñar, entrenar y evaluar modelos de ML tanto supervisados como no supervisados...SeniorTemporalTrabajar en la oficinaRemotoInicio inmediatoTrabajo híbrido2 días a la semana
de 19000 a 41000 €/año
...Data Scientist con experiencia en BI / Visual Analytics Madrid , España En Singular Beacon buscamos un candidato con integridad... ...y hard skills. Entrevista Final Con miembros del equipo senior. Si superas el proceso, recibirás una carta de oferta. Para...SeniorIndefinidoPrácticaAutónomoDesde casaRemotoLunes a jueves- ...support BIM platforms, services, and infrastructure design tools to meet the needs of our BIM leaders. Implement and manage BIM systems for complex transport and infrastructure projects. Collaborate with multidisciplinary teams to ensure effective use of BIM technologies...
- ...which incorporate autonomous agents to refine data retrieval and content generation. The... ...integrated to connect AI models with external systems and to register events and metadata. Performance optimization includes analyzing system performance, detecting bottlenecks, and...SeniorTrabajo de veranoRemotoTrabajo híbridoHorario flexible
- Una empresa innovadora busca un Data Scientist Senior Consultant para liderar proyectos de machine learning y analítica avanzada. En esta posición, serás responsable de diseñar y evaluar modelos de ML, implementar flujos de trabajo automatizados con Python y colaborar con...SeniorHorario flexible
- ...públicas y privadas en sus retos más complejos. Buscamos incorporar en nuestro equipo de AI & Data a un Consultor con experiencia de, al menos, 3 años como Data Scientist para trabajar en proyectos tanto a nivel nacional como internacional. Tus funciones...SeniorTrabajar en la oficinaTrabajo híbridoHorario flexible
- A leading data science firm is seeking a Data Science business partner to engage with clients in Madrid. The role involves delivering... ...credit risk, leading analytics projects, and mentoring Data Scientists. The ideal candidate has over 7 years of experience in data science...SeniorTiempo completoRemoto
- ¡Hola, Data Lover! ¿Quieres llevar tus habilidades en Data, Analytics & IA al siguiente nivel? El equipo de Business Insights transforma datos en insights accionables mediante analítica avanzada y modelado. Responsabilidades Desarrollarás y diseñarás soluciones...SeniorIndefinidoJornada intensiva
1400 €/mensuales
...of Large Language Models, AWS cloud services, and data pipelines to deliver scalable and reliable AI systems. At ERNI, you are never just a number. Even if you... ...value experience and technical knowledge. As a senior profile, you will have the space to continue growing...SeniorTemporalTrabajar en la oficinaTrabajo híbridoTurno de tarde2 días a la semana- ...seeking a Head of Accounting in Madrid. The role involves overseeing financial accuracy, ensuring regulatory compliance, and leading systems integration projects. The ideal candidate will have 7-10 years of experience in the banking sector, strong technical accounting...Senior
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