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Data Engineer (python and AWS) - Barcelona - 6 months - Autónomo
Builds and maintains AWS data pipelines (Glue, Athena, Lambda) in Python, curates datasets for BI tools, and creates dashboards.
AI-Enhanced Data Engineer — Snowflake/dbt — Flexible/Remote
Builds and maintains Snowflake-based data pipelines and dbt Cloud models for a fashion retailer, using AI-assisted development and modern cloud stacks.
Data Engineer (Knowledge Graphs) | TOP AI Startup
Build and scale graph-based data pipelines and knowledge graphs using RDF, ontologies, and graph databases like Neo4j or Amazon Neptune to power an AI-driven platform.
Data Engineer - AWS & Snowflake - Pharma sector
Build and maintain cloud data pipelines and warehouses for a pharma analytics platform using AWS, Snowflake, dbt, Airflow, Python and SQL.
AWS Data Engineer — ETL & Cloud Architecture
Designs and optimizes AWS-based data pipelines, ETL workflows, and scalable data warehouses for analytics and reporting.
Online Marketing Senior Data Engineer
Senior Data Engineer builds and scales AI-driven marketing data pipelines and platforms to power performance marketing strategies at a travel-tech company.
Senior Data Engineer — Remote, Build Data Platform
Build and maintain real-time data platforms for trading and research, focusing on ingesting, normalizing, and serving market data with reliability and self-service tooling.
Data Engineer (Madrid/Barcelona)
Build and maintain scalable data pipelines in Databricks and dbt, automate infrastructure with Terraform and Kubernetes, and set up CI/CD using Azure DevOps for cross-functional teams.
Senior Data Engineer
Senior Data Engineer builds and optimizes cloud-based data pipelines and models for CRM and retargeting, using Spark, Python, and GCP/AWS/Azure to ensure clean, high-quality data for analytics.
Data Engineer AWS
Build and optimize AWS-based data pipelines and warehouses using ETL, modeling, and cloud architecture to support analytics and decision-making.
Knowledge Graph Data Engineer - Scalable Pipelines
Designs and scales graph-based data infrastructure for a knowledge graph platform using RDF graphs, ontologies, and semantic pipelines.
Data Engineer - Remote
Design and build scalable data pipelines and warehouses for a global client using Spark/Scala, Python, SQL, and AWS services like S3, Glue, and EMR.
Full Stack Engineer - React / Typescript / Python
Build internal tools and data dashboards using React/Next.js/TypeScript and Python (FastAPI/Django) for a quantum AI company.
Senior Backend Spark Developer (Remote from Spain)
Build and optimize high-performance Big Data pipelines using Apache Spark (Scala/Python) on Azure Databricks, ensuring scalable data processing for enterprise clients.
Principal Data Engineer (14 Month FTC)
Lead the design and operation of secure, scalable data pipelines and platforms for British Airways, ensuring high availability and performance of critical data products.
Data Architect
Designs and governs scalable data architectures on Azure, migrating legacy systems to modern cloud-native platforms and enabling AI-driven analytics for public-sector clients.
Data Architect
Designs and implements enterprise-scale data architecture for a large transport business, ensuring scalable, secure BI and analytics across multiple countries using AWS, Databricks, and Snowflake.
Lead Data Scientist
Lead hands-on role building and deploying ML models (including Computer Vision) for an AI-driven product company, owning the full lifecycle from problem definition to monitoring.
OT Data Architect
Designs and governs OT/SCADA data architecture for industrial clients, integrating real-time telemetry with Azure analytics while enforcing unified naming and governance standards.
Principal Engineer, AI & Data Platform
Principal Engineer to design and lead Bullish’s AI & Data Platform, building semantic layers, knowledge graphs, and conversational analytics for institutional crypto and fintech use cases.