5 of 5 Star Schema Jobs in London

Data architecture (Data Lakes, Data Warehouses) and distributed processing concepts (e.g., MapReduce). ETL/ELT Basic knowledge of ETL principles and data modeling (star schema, snowflake schema). Version Control Practical experience with Git (branching, merging, pull requests). Preferred Qualifications (A Plus) Experience with ...

exactly-once processing Dead-letter queues (DLQs) and failure recovery Implement CDC pipelines from Aurora PostgreSQL into Kafka and the lakehouse. Event Contracts & Schema Management Define and govern event contracts using Avro or Protobuf . Manage schema evolution through Schema Registry , including: Compatibility rules Versioning strategies Backward … modeling (ER diagrams, normalization up to 3NF/BCNF) Physical data modeling: Partitioning strategies Indexing SCD types Strong understanding of: Transactional vs analytical schemas Star schema, Data Vault, and 3NF trade-offs Practical experience with: CQRS and event sourcing Event-driven architecture Domain-driven design (bounded contexts, aggregates ...

analytics roles. Experience working within a Medallion Architecture, ideally with direct responsibility for Gold layer curation. Expertise in Power BI, including: Intermediate DAX Star schema modelling and semantic model design Report UX/UI best practices Performance optimisation Hands-on experience with Microsoft Fabric features such as Lakehouse ...

Version control (Git) Bonus points for: Airflow, Prefect, dbt, or cloud-native orchestration CI/CD and deployment automation Data warehousing fundamentals (star schema, staging patterns) Plus: Ability to explain complex engineering concepts without losing people You genuinely enjoy working with people and get energy from helping others ...

Power BI (report building, dashboards, DAX, data modelling) Proficiency in SQL for querying, validating, and analysing data Solid understanding of data modelling concepts (e.g. star schema, facts and dimensions) Experience working with data warehouses and/or data lakes Ability to create and maintain data dictionaries and metrics ...