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 xiphteb 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 environment Modern office space in Barcelona (Poblenou) Hybrid work model: at least 2 days per week in the office for collaboration, 3 days WFH for focused tasks

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