7 of 7 Permanent 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 ...

Hands-on expertise with Azure Data Factory, Azure Databricks, Azure Storage and Azure DevOps Advanced Python and SQL skills Experience designing data models (including star schema) for Power BI or similar reporting tools Experience within insurance, MGA or financial services environments is highly desirable Excellent communication skills with ...

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 ...

Preparation Strong SQL and data transformation skills Power BI (DAX & Power Query) experience Familiarity with dbt or ELT tools (desirable) Knowledge of data modelling (star schema, slowly changing dimensions) Awareness of data governance and compliance (GDPR/GMP) Manufacturing or regulated industry experience is an advantage Ability ...

Preparation Strong SQL and data transformation skills Power BI (DAX & Power Query) experience Familiarity with dbt or ELT tools (desirable) Knowledge of data modelling (star schema, slowly changing dimensions) Awareness of data governance and compliance (GDPR/GMP) Manufacturing or regulated industry experience is an advantage Ability ...

requirements and deliver practical solutions. Ensure data quality and consistency across reporting pipelines. What We’re Looking For Power BI Expertise: Advanced data modelling (STAR schema, relationships, filter direction). Strong DAX skills for measures and calculations. Experience optimizing performance for large datasets. Excel Mastery: Advanced formulas (SUMIFS ...