Principal Backend Engineer
- Hiring Organisation
- Publicis Media
- Location
- London, UK
- Employment Type
- Full-time
product surfaces Define durable domain boundaries and data contracts between warehouse outputs, operational stores, platform APIs, agent tools and user workflowsLead the evolution of Databricks medallion pipelines (ingestion, normalisation and curated outputs for analytics and product use cases)Improve data quality and governance: schema enforcement, lineage, documentation and lakehouse … across multiple services or teamsExpert Python backend engineering (API design, service boundaries, async/concurrent systems) plus strong SQL and modern testing practicesHands-on Databricks/PySpark experience and lakehouse/medallion architecture (or equivalent large-scale data pipeline experience)Strong AWS serverless background (Lambda, API Gateway, S3, DynamoDB ...