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

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UST

SQL Senior Data Engineer

Hace 30 días

Remoto
Híbrido

12 - 23 / year

... enhance enterprise data models, including Data Vault, dimensional models, SCD, and 3NF structures. - Ensure SQL code is performant, maintainable, and aligned with data architecture standards. - Implement data quality controls, testing frameworks, and validation rules. - Maintain documentation, data lineage, and metadata management ...

Madrid, España

Experis España

Data Governance Tech Lead

Hace 30 días

Remoto
Híbrido

€50k EUR

... challenges related to unstructured data governance (documents, images, reports, etc.). What you'll do - Lead the definition and implementation of the unstructured data governance model - Establish standards, policies, and best practices in data management - Coordinate with international teams and stakeholders - Ensure the quality, ...

Barcelona, España

AgioGlobal

Data Entry Clerk

Hace 31 días

Presencial
Contrato

Administracion

... Cantos or surroundings The role AgioGlobal is selecting for an important company located in the Tres Cantos area: - Administrative Assistant with experience in data entry and document digitization, with previous experience in administrative roles. - SCHEDULE: Monday to Friday from 7:00 to 15:00 - DURATION: minimum 6 months ...

Tres Cantos, España

METRICA

Data and Generative AI Architect

Hace 31 días

Remoto
Contrato

... prompt management, and context. - Define integration patterns between generative AI solutions, data sources, APIs, and corporate systems. - Design and evolve data architectures in AWS, focusing on processing, quality, security, performance, and scalability. - Develop and supervise data processes with AWS Glue and PySpark. ...

España

Gaming Innovation Group

Senior Big Data Engineer

Hace 31 días

Híbrido
Tiempo completo

€350 EUR / year

Requirements What we're looking for - Strong level of expertise with big data technologies such as Spark, Kafka, Nifi, ClickHouse and Big Data datastores. - Strong understanding of schema design methodologies and data models - Expert in extracting large datasets using SQL, familiarity with SQL - databases - Experience with ...

Madrid, España

Gaming Innovation Group

Senior Big Data Engineer

Hace 31 días

Híbrido
Tiempo completo

€350 EUR / year

Barcelona, España

T-Systems Iberia

Senior Data Engineer Databricks

Hace 31 días

Remoto
Híbrido
Presencial
Tiempo completo

... design decision-making and defining the data strategy. - Coordinate with architects, analysts, BI teams, and data science teams to ensure the coherence of the data ecosystem. - Optimize the performance, scalability, and reliability of data processes in production environments. - Document the architecture, data flows, and ...

Bilbao, España

Socialpoint

Senior Marketing Data Analyst

Hace 31 días

Híbrido
Presencial

Analitica de datos

... explain complex data in simple, actionable terms - A team player, you establish effective relationships to work with others for the win - Proven work experience in data analytics or data science roles Nice to have - Familiarity with AI/ML concepts or experience in automating recurring analytics workflows is a plus - BS in Computer ...

Barcelona, España

Kayzen

Senior Data Scientist

Hace 31 días

Remoto

Ciencia de datos

... setup budget - A 1000-dollar annual learning and development budget The role Hello👋I am Puneet , Co-founder and CPO at Kayzen, and I am now looking for a Senior Data Scientist to join our team 🙌 What you'll do Our day-to-day work in Data Science and Machine Learning encompasses a wide range of activities, including: - Enhancing ...

España

TECDATA ENGINEERING

Lead Data Platform & Technical Office

Hace 31 días

Remoto

Ciencia de datos

€60,000 a year

... Microsoft Fabric - Azure - DataOps / Platform Engineering - Git / CI-CD - Observability - FinOps - Infrastructure as Code (IaC) - Platform governance About Tecdata Engineering Tecdata Engineering (TECDATA ENGINEERING) is a technology consulting and services provider specialized in global technology projects, with a portfolio ...

España

TECDATA ENGINEERING

Data Engineer (Python, SQL, ETL)

Hace 31 días

Remoto

Ciencia de datos

... environment is strongly oriented towards open source , without visual ETL tools. Work will involve developing scripts from scratch, processing and orchestrating data, with PostgreSQL and StarRocks as key technologies. About Tecdata Engineering Tecdata Engineering (TECDATA ENGINEERING) is a technology consulting and services ...

España

TECDATA ENGINEERING

Data Engineer | Python + SQL + PostgreSQL

Hace 31 días

Remoto
Tiempo completo

Ciencia de datos

... foundation in relational databases, Data Warehousing, and SQL optimization , with the ability to adapt quickly to new technologies. What you'll do - Development of data ingestion and transformation processes using Python and SQL . - Creation of scripts from scratch for data and file processing. - Design and development of ETL ...

España

AXON Networks

Data Engineer (Madrid - Hybrid)

Hace 31 días

Remoto
Híbrido
Tiempo completo

... Telecommunications, Mathematics, Statistics or Computer Science engineering (PhD degree is a plus) - Strong experience developing in Python - Strong experience with SQL and databases preferably Mongo and Clickhouse - Experience in collection, analysis, reporting of data, etc. in lab/production environments. - Experience with Tableau / ...

Madrid, España

Panasonic Europe

Vendor Master Data Specialist

Hace 31 días

... professional to manage vendor onboarding, maintenance and verification processes in SAP-based workflows. You will work with Accounts Payable and Procurement to ensure data accuracy and compliance, supporting international operations. The role requires 1–3 years of experience in Vendor Master Data or P2P processes, strong data quality ...

Barcelona, España

F. Hoffmann-La Roche AG

Master Data Standards Lead

Hace 31 días

... Leads to mitigate data quality issues and resolve standards gaps across source systems. Who You Are You bring 10+years of experience in a master data standards, data governance, or data management role, ideally within a pharmaceutical or healthcare environment. You hold a Bachelor’s degree in Computer Science, Engineering, ...

Madrid, España

Panasonic Europe

Vendor Master Data Administrator

Hace 31 días

... integrated with SAP in accordance with company policies and internal controls. - Perform regular data quality reviews and cleansing activities to maintain high data integrity standards. - Prepare and maintain vendor master data reports and reconciliations. - Monitor and resolve vendor master data issues, duplicates, and inconsistencies. ...

Barcelona, España

Instituto de Investigaciones Biomédicas de Córdoba (IMIBIC)

Data Manager/ Study Coordinator

Hace 32 días

1871.57 €/mensuales

Estado Estado Fecha de publicación Fecha de publicación Referencia interna 053/2026 Resumen del puesto de trabajo Se busca profesional cualificado/a, para la realización de actividades científico-técnicas, cuya función principal será la coordinación y gestión de ensayos clínicos, concretamente para el desarrollo del

Córdoba, España

GRUPO NS

Expert Data Engineer Terraform/Git

Hace 32 días

Remoto
Híbrido
Presencial
Tiempo completo

9001 - 27001

... years of experience in Git and Terraform Experience in Big Data technologies (EMR, Glue, Spark, ETL) Experience in AWS High English (minimum B2) Nice to have Big Data technologies (EMR, Glue, Spark, ETL): intermediate level knowledge is accepted. The role At Grupo NS, we are looking for a data engineer profile with at least ...

España

Telefónica

Data and AI Architect

Hace 32 días

... for? 🔎 Required skills Modern data architectures (Data Lakehouse, Data Mesh, Data Fabric). Data governance and integral data lifecycle management. Knowledge of DataOps principles and practices. Artificial Intelligence and Machine Learning architectures. Generative and Agentic AI ecosystem (RAG, agents, vector databases, AI ...

España

Infortec Consultores

Data Engineer | Market Risk

Hace 32 días

Remoto
Híbrido
Tiempo completo
Contrato

Backend

... people/teams. Nice to have ✔️ Experience in banking is valued, especially in Market Risk. Languages ✔️ English B2/C1. The role Are you passionate about the world of data, technology, and the financial sector? Do you have experience working with SQL, ETL, and Big Data and would you like to participate in projects within Market ...

Madrid, España