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Senior Data Engineer Healthtech — Remote (España) - Hasta €65.000 Al Año - Remoto
Senior Data Engineer at a Spanish healthtech startup, leading the design and maintenance of data solutions. Fully remote within Spain with flexible hours; core stack includes Apache Spark, Kafka, and multiple databases. Requires 5+ years of data experience; salary up to €65,000 per year.
Data Engineer - Proyecto Internacional Telco - €30.000 - €45.000 Al Año
Data Engineer designing, building and validating ETL/ELT migration pipelines for a large digital transformation modernizing BSS/OSS systems at Namibia's main telecom operator. Remote from Spain with trips to Namibia; core stack is Java/Python, Oracle/PostgreSQL/MySQL, and batch and streaming data processing.
Data Analytics Engineer
Hamelyn is hiring a Data Analytics Engineer (Spain) to partner with the Data Lead, improving and scaling data infrastructure and analyzing data to support business, product, and tech decisions. The company handles 30M+ products and works with global marketplaces.
Junior Data Engineer - €18.000 A Year - No Experience Required
Entry-level data analytics engineer at consultancy Unimedia Technology, supporting a digital signage and advertising platform for a Dutch client: sourcing, cleaning, validating, and loading audience/demographic data into PostgreSQL using Python, pandas, and SQL. Junior/trainee salary of €18,000 gross per year.
Ai Data Engineer - €35.000 - €50.000 Al Año
Data engineer at ABANCA Seguros Generales (banking/insurance group) in Madrid, on-site, working on a data platform integration project: lakehouse environments, ingestion and transformation pipelines, plus DB administration, access/RBAC management and dev-team support. Stack: SQL, SingleStore/MemSQL, PySpark, Kinesis/Kafka.
Ai & Data Engineer - €30.000 - €40.000 Al Año
Senior Data & AI Engineer at Grupo Mutua Madrileña (Spanish insurance group) in Madrid: builds scalable ETL/ELT data pipelines and generative-AI agents that automate financial processes, using Python, SQL, cloud platforms, Airflow/dbt, and an LLM/RAG/LangGraph stack.
Data Platform Engineer - Remote
Contract role (posted via Mercor) supporting AI research labs by reviewing domain-specific documents, providing structured feedback, and improving evaluation methodologies — working independently and asynchronously. Requires a bachelor's degree, 2+ years' relevant experience, and strong Excel/PowerPoint/Word skills. Pays $80-$160/hour, fully remote.
Senior Data Engineer (Madrid) - €60.000 - €85.000 A Year
Senior Data Engineer at an AI fintech in Madrid (hybrid, on-site 2-3 days/week), building and maintaining end-to-end data ingestion and ETL pipelines, writing production Python and SQL, orchestrating with Kubernetes, and designing schemas and transformation layers for analytics and RAG systems on Azure/AWS.
Data Engineer (Spark, Scala, Java, Azure Databricks)
Metrica España is hiring a Data Engineer to design, build and support data lake pipelines for market-risk use cases, fully remote. Core stack: Spark, Scala, Java, SQL, Azure Databricks, AWS EMR, Airflow and Control-M, with CI (Git/GitHub Actions) and basic security/quality tooling. Requires 2+ years' experience and B2 English; €35,000 base.
Lead Data Engineer (Snowflake) - €70.000 - €80.000 A Year
Technical/Data Engineering Lead for a global pharmaceutical multinational's cloud data platform (hired via Babel Profiles): owning end-to-end design of Snowflake data products, dbt pipelines, SQL/Python optimization, CI/CD via Azure DevOps, and mentoring engineers to power analytics, reporting, and AI use cases.