Empleos de freelance data science engineer python sql en Barcelona

# Lead Software Engineer - Data Engineering## **Your role at Dynatrace**At Dynatrace, Data Engineering manages and transforms data into information for decisionmakers. This includes assessment, design, acquisition and/or implementation of tools, stores and pipelines for turning data into business value.We are seeking a Lead Software Engineer in Data who will...

Job Reference: 337_26_DIR_IBD_RE3 Job Title: AI Engineer – AI Data Platforms (RE3) Starting Date: 16/07/2026 Closing Date: Saturday, 08 August, 2026 The Barcelona Supercomputing Center – Centro Nacional de Supercomputación (BSC‑CNS) is a leading supercomputing center in Spain. It houses MareNostrum, one of the most powerful supercomputers in Europe,...

An innovative Ed-Tech company located in Barcelona is looking for a Staff Analytics Engineer. In this role, you'll design and evolve analytical data models, define engineering standards, and optimize data pipelines. The ideal candidate has extensive experience in analytics engineering, strong SQL and Python skills, and a proven track record of building...

Buscamos un/a Senior Data Engineer con alto nivel de inglés y español, y residencia en Barcelona o alrededores, para trabajar en una cuenta líder del sector aeronáutico. La posición se centra en diseñar y mantener pipelines y modelos de datos escalables, garantizando la calidad, disponibilidad y seguridad de la información. Colaborará estrechamente...

Q-tech, in partnership with a large European technology company, is seeking a Data Engineer to join a cutting-edge Marketing & Communication squad working on one of Europe’s largest loyalty apps with 130M users.You will design scalable data pipelines, collaborate with cross-functional teams, and contribute to AI-driven analytics across countries.Experience...

About the roleResponsibilitiesThe Senior Manager Data Engineer will be responsible for designing, developing, and maintaining scalable data pipelines and architectures. The role involves working closely with data Owners, IT, analysts, and business stakeholders to ensure data availability, quality, and accessibility for analytics, reporting, and advanced data...

Lighthouse is looking for a Senior Analytics Engineer to help us build reliable, scalable data products for enterprise customers and internal teams. This hands-on role emphasizes SQL, dbt, data modeling, data-product development, and practical AI integration—not traditional dashboards alone.You will design production data models with SQL and BigQuery, turn...

Who We Are At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses.  We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that...

Senior IT Application Engineer - Microsoft Fabric (m/f/d) 3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. At Hexagon, we do not just measure the world – we define its future. As the global leader in measurement technologies, we provide the confidence that vital industries rely on to build,...

Your Mission Interested in working with an AI Data Platform supporting sustainability, with backend Python development and Data Orchestration, i.e. airflow? This is your chance to become part of a startup internationally recognized for its cutting-edge technology. We are a predictive technology platform focused on maximizing performance and digitalizing...

OverviewWe are collaborating with a fast-growing tech startup based in Barcelona, founded by experienced entrepreneurs in the mobile and AI industry. Their mission is to build the next generation of AI-powered mobile business apps, and they are now looking for a Data Engineer to join their team.The RoleYou’ll be the data engine behind the company — the...

jobr.pro busca un Data Engineer (internship) para unirse al equipo de Data en Cataluña, España. La persona seleccionada gestionará y estructurará diferentes bases de datos y trabajará en la integración de datos, asegurando que se proporcione información válida a los analistas.El candidato ideal tendrá un título universitario relacionado con la...

Ready to break the data paradigm? If you thrive on solving real-world challenges with advanced analytics and crave a dynamic environment at the intersection of science and technology, it’s your moment.We're looking for a Data Scientist/Analyst ready to own the implementation and optimization of cutting-edge RAG pipelines and integrate advanced vector...

Join to apply for the Data Analyst role at CareerwiseLocations: Barcelona, SpainEmployment Type: ContractExperience: 7+ years (Hands‑on)Day Rate – €280 to €300 per dayA large company requires a Data Analyst to join a team of data experts delivering cutting‑edge, cloud‑native data solutions that will support decision‑making and innovation across...

The Knot Worldwide is seeking a Senior Data Engineer to join our Data team. You will design and lead end-to-end data pipelines, enabling trusted analytics and scalable ML/AI capabilities for Product, Marketing, and Revenue domains.You will leverage dbt, Airbyte, and Airflow, with SQL and Python at the core, collaborating with stakeholders and other data...

WHAT WE DO MATTERS:At The Knot Worldwide, we champion celebration - and that starts with celebrating our people. Our employees are passionate dreamers, thoughtful doers, and lifelong learners who power meaningful moments for millions around the world. We’re united by authentic connection, shared purpose, and a deep commitment to the global community we...

Da el siguiente paso en tu carrera y únete a CGI en EspañaFundada en 1976, CGI se encuentra entre las mayores empresas de servicios de consultoría TI y de negocio del mundo. Nos basamos en conocimientos y resultados para ayudar a acelerar la transformación digital de nuestros clientes. A través de 21 sectores en 400 ubicaciones en todo el mundo,...

Fundación Adecco busca un/a Data Scientist/Engineer para unirse al equipo de AI en una aseguradora líder. Deberás diseñar y desplegar modelos de ML, desarrollar soluciones de IA y soluciones basadas en LLMs, y construir pipelines de datos robustos en AWS SageMaker.Se requiere experiencia en Data Science/ML, dominio de Python y SQL, y capacidad para...

We Are Waiting for You     Hi there!   I am Laura, the recruiter for this position. Nice to meet you!   First, a little bit about what I like the most about working at TDC: The environment here is incredibly collaborative and innovative. Our tech-driven mindset fosters continuous learning and growth, creating an atmosphere where everyone can thrive....

Visma is seeking a Data Engineer in Barcelona to build and manage the data foundation crucial for our operations. You will collaborate closely with data scientists, ensuring reliable data integrations into Snowflake and maintaining product telemetry.The ideal candidate has 3 to 4 years of data engineering experience, a strong command of SQL and Python, and a...