One of the companies we partner with at Joppy is looking to hire a Senior Data Engineer to architect, build, and own a mission-critical data infrastructure from the ground up. This is a greenfield opportunity for someone deeply AI-native who understands that exceptional data foundations unlock the next phase of AI-driven growth.
~ Design end-to-end data architecture, from raw data ingestion to clean, analytics-ready models
~ Build robust data pipelines to ingest information from multiple systems, including product, CRM, finance, marketing, and AI event traces
~ Model core data entities to provide a consistent source of truth for all teams
~ Establish and maintain data quality, monitoring, testing, and alerting for trust in data outputs
~ Develop the foundational data layer needed for scalable, reliable AI initiatives
~ Create dashboards and data sets that drive decision-making across Sales, CX, Finance, and Marketing
~5+ years of hands-on data engineering experience,



ideally in a startup or scale-up environment (exceptional candidates with less experience and proven end-to-end project ownership will be considered)
~ Experience building a data warehouse or data platform from scratch, or leading a large-scale migration
~ Proficiency in SQL and Python
~ Direct experience with BigQuery or similar cloud data warehouses
~ Fluent in Spanish and comfortable communicating in English

Experience in SaaS companies with complex, multi-team data needs
Hands-on experience with dbt, particularly projects with 50+ models in production
Familiarity with orchestration tools such as Airflow, Prefect, or Dagster
Knowledge of event streaming using Kafka, Pub/Sub, or similar technologies
Expertise in data quality frameworks and observability tools
Experience handling AI/LLM traces and usage data
Python, SQL, BigQuery, Google Cloud Storage, Google Cloud Platform, PostHog, and a range of AI providers
Opportunity to shape and own a critical data platform in a fast-growing, product-driven env

📌 Senior Engineer, Data Engineering (Barcelona)
🏢 Joppy
📍 Barcelona