Principal Backend Engineer
- Hiring Organisation
- Publicis Media
- Location
- London, UK
- Employment Type
- Full-time
Improve data quality and governance: schema enforcement, lineage, documentation and lakehouse-to-operational-store sync for consumer-facing dataArchitect Python backend services on AWS serverless paths, including authentication and tenant-scoped access patterns Shape how capabilities are exposed through OneSuite (streaming workflows, tool permissions, MCP integrations and stable … large-scale data pipeline experience)Strong AWS serverless background (Lambda, API Gateway, S3, DynamoDB, IAM) with infrastructure-as-code (e.g., CloudFormation/SAM)Deep understanding of multi-tenant SaaS design, authN/authZ, tenant isolation, secrets management and operational securityExperience designing stable data contracts and CLI/ ...