Overview As a Senior Data Engineer in Preply's Data Ingestion and Enrichment team, you will own the data layer powering analytics, ML, and product. You'll design and scale the data lake, build reliable batch and streaming ingestion pipelines, and enforce data contracts and governance. You'll collaborate with ML, analytics, and product squads to ensure production-ready, observable, and reusable data assets.

This role blends hands-on engineering with technical leadership in a fast-growing, global platform. Compensaciones / Ventajas Lessons allowance on Preply.com Learning & Development budget Relocation package to Barcelona Equity Health insurance Mental health support Responsabilidades Design and own Preply's data lake with clear ownership, schemas and quality expectations Develop and operate scalable batch and streaming ingestion pipelines for real-time and analytical use cases Define data contracts and embed validation and quality checks early in ingestion lifecycle Build enrichment logic to standardize and contextualize data across domains Instrument pipelines with observability, contribute to SLOs,



alerts and incident playbooks Implement governance by design with access control, privacy protections and auditable flows Enable self-service through standardized ingestion templates and metadata/documents Collaborate with Product, Backend, Analytics, and ML teams to align ingestion requirements and priorities Requisitos principales Experience building architectural patterns for large-scale applications with high-volume data pipelines Proven track record in platform or data engineering teams with multi-stakeholder deliveries Familiarity with cloud platforms (AWS/GCP) and modern DevOps practices Hands-on design and implementation of real-time and batch data processing using Spark, Flink, Spark Streaming, Kafka, Debezium Experience with orchestration tools such as Airflow or dbt Strong problem-solving skills and proactive continuous improvement mindset Strong communication and cross-functional collaboration (English B2+) Effective cross-functional collaboration Proactive problem-solving Continuous improvement mindset Spark Flink Spark Streaming

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