1,900 ofertas de freelance data science en toda España.

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Imaginaruis

Colaborador Freelance - Marketing Digital y Redes Sociales

Hace 23 días

Remoto
Contrato

Marketing

... totalmente compatible con la gestión de otras actividades laborales. [{"name": "autonomo", "text": "Aut\u00f3nomo", "categoryName": "Type of employment"}, {"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "empleo_permanente", "text": "Empleo permanente", "categoryName": "Type of employment"}, ...

Barcelona, España

10x Team

Remote AI Researcher/Scientist — Freelance (EU/UK)

Hace 23 días

Remoto
Contrato

IA / ML

10x Team is seeking Freelance Science/Bio/Health/Aviation Researchers & Scientists – AI Trainers. EU/UK-based, remote, 8–20 hours/week. You will review AI-generated content, critique explanations, and help shape AI training with rigorous scientific accuracy. Ideal candidates are students or graduates in science, health, ...

España, España

10x Team B.V

Senior Journalist for AI Training (Remote, Freelance)

Hace 24 días

Remoto
Contrato

... draft realistic scenarios, and provide structured feedback to improve AI-driven journalism. Access to our AI Academy is included as part of the mission. [{"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_remoto", "text": "Remoto", "categoryName": "Working conditions"}]

España, España

10x Team B.V

Remote Freelance System Operations Engineer & AI Trainer

Hace 27 días

Remoto
Contrato

10x Team is seeking a seasoned System Operations Engineer – AI Trainer for freelance engagement. Work 8–20 hours weekly, remotely, with EU/UK-based availability. Contribute to reviewing AI-generated operational content, refining workflows, and building practical, real-world scenarios for AI models. Flexible, project-based, ...

España, España

10x Team B.V

Freelance PR Specialist for AI-Driven Training

Hace 27 días

Remoto
Contrato

Relaciones publicas

... You will review AI-generated PR outputs, refine messaging, and draft realistic scenarios drawing on your extensive campaign experience across the EU/UK. This freelance role offers flexible scheduling and remote collaboration with AI labs building next-generation models. The ideal candidate has strong media relations skills, ...

España, España

10x Team

Treasury Analyst as AI Trainer - Remote Freelance

Hace 27 días

Remoto
Contrato

Finanzas

10x Team seeks a Freelance Treasury Analyst – AI Trainer to help train AI models in treasury management, cash flow analysis, risk mitigation and compliance. This remote, project-based role offers 8–20 hours per week across the EU/UK. You will review AI outputs, develop real-world treasury scenarios, and provide structured ...

España, España

10x Team

AI Infrastructure Optimizer — Freelance (Remote, EU/UK)

Hace 27 días

Remoto
Contrato

10x Team is seeking a Freelance Infrastructure Optimization Specialist - AI Trainer based in the EU or UK. This flexible, remote role offers 8–20 hours per week to help review, validate, and improve AI-driven infrastructure recommendations and deployment scenarios. You will leverage deep experience in systems architecture ...

España, España

10x Team B.V

Freelance Corporate Finance Advisor & AI Trainer (Remote)

Hace 27 días

Remoto
Contrato

10x Team seeks a Freelance Corporate Finance Advisor – AI Trainer to support AI-powered finance outputs on a remote, EU/UK basis. The role emphasizes financial modeling, valuations, and advisory workflows with 8–20 hours per week. You will review and refine AI-generated corporate finance recommendations, develop real-world ...

España, España

Intertek

Técnico de Seguridad en Obra - Freelance (Santander)

Hace 27 días

Contrato

... eléctricos para puntos de recarga de vehículos en el centro comercial ECI Bahía de Santander, con periodo del 29 de junio al 20 de julio en modalidad autónoma/freelance. La persona seleccionada velará por el cumplimiento de la normativa de seguridad y prevención de riesgos, realizará seguimiento en obra y coordinará con los ...

Santander, España

Fundación Luca de Tena

Responsable de comunicación junior en modalidad freelance

Hace 27 días

Híbrido
Contrato

1600 €/mensuales

... semipresencial. - Disponibilidad para desplazamientos ocasionales. [{"name": "autonomo", "text": "Aut\u00f3nomo", "categoryName": "Type of employment"}, {"name": "freelance", "text": "Freelance", "categoryName": "Type of employment"}, {"name": "trabajo_ocasional", "text": "Ocasional", "categoryName": "Type of employment"}, {"name": ...

Madrid, España

Sebibc

Research Data Manager - FAIR Data and Software

Hace 19 días

Tiempo completo
Contrato

... European projects. Requirements - Education - MSc in data science, bioinformatics, computer science, or a related field. - Alternatively, demonstrated experience in data management and stewardship. - Essential Knowledge and Professional Experience - Experience in data stewardship and research data management. - Familiarity with ...

Barcelona, España

Adecco

Senior Data Analyst / Data Scientist / Bi Specialist

Hace 23 días

Remoto
Híbrido
Presencial
Tiempo completo

Analitica de datos
Ciencia de datos

35901.46 €/año

... Matemáticos/as, Estadístico/a, Ingeniería Informática, Telecomunicaciones, Físico/a, Ciencia de Datos o carreras afines. - Se valorará formación de posgrado en Data Science, Big Data, Business Analytics o Estadístico/a Aplicada. - Experiencia mínima de 5 años en posiciones relacionadas con Data Analytics, Data Science o Business ...

Madrid, España

Roche

Data Governance & Quality Specialist — Trusted Data, Impact

Hace 28 días

... to implement data governance policies and drive data quality initiatives across the organization. You will translate regulatory requirements into actionable data management policies and advise data consumers on proper usage. Join Roche to help ensure trusted data-driven decisions, collaborate with data owners and stakeholders, ...

Madrid, España

BME Spain

Master Data Specialist

Hace 20 días

Tiempo completo
Contrato

... compensation and medical insurance. - Teleworking up to two days a week, once the adaptation period to the company has ended. The role We are looking for a Master Data Specialist whose responsibility will be to ensure that the organization's master data is complete, accurate, consistent, and up to date in the corporate systems. ...

España

AXON Networks

Data Engineer (Madrid)

Hace 24 días

Remoto
Híbrido

... Troubleshoot data pipeline issues in QA and production, identify root causes and implement fixes. - Improve the performance and efficiency of Spark jobs and data transformations. Requirements: - B.Sc./M.S. Computer Science or related field. - 2+ years of professional experience in Data Engineering or a similar role. - ...

España

Mimacom

Senior Data Engineer

Hace 25 días

Remoto

... engineering and consulting company that designs, builds, and operates enterprise applications and AI for global organizations. The company focuses on cloud, data, and business process automation, serving industries such as banking, insurance, manufacturing, retail, and life sciences. Mimacom has offices in Switzerland, ...

España

Microsoft

Data Center Technician

Hace 25 días

Presencial

€25,500 - €47,000 a year

... procedures for preparing, installing, performing diagnostics, troubleshooting, replacing, and/or decommissioning equipment under the guidance of more experienced Data Center colleagues. This opportunity will allow you to develop an understanding of our Data Center environment, familiarize yourself with security and data management ...

España

Datavant

Data Scientist

Hace 28 días

Ciencia de datos

... across the company, translating privacy requirements into data queries. As part of the team, you will develop your skills in querying and manipulating large-scale datasets, primarily using SQL and Python, while working cross-functionally with stakeholders across privacy data science, engineering, product, and business teams. ...

Barcelona, España

DuckDuckGo

Senior Data Scientist

Hace 28 días

Remoto
Tiempo completo

Ciencia de datos

$178500 USD / year

Requirements What we're looking for - You have 7+ years of experience in Data Science and a track record of leading high-complexity projects from scoping to production with minimal direction. - You can do 2 or more of the following: - Deploy and iterate on ML in production environments - Develop and deploy NLP solutions ...

España

Holaluz

Data Scientist

Hace 28 días

Remoto
Tiempo completo
Contrato

Analitica de datos
Ciencia de datos

... assess their suitability for Holaluz. - Populate the Data Warehouse with datasets using Python and SQL to create robust data pipelines. - Optimize and evolve the data warehousing infrastructure to ensure cost-effectiveness and scalability. - Maintain the smooth and efficient operation of Data Analytics systems. - Answer business ...

Barcelona, España