15 of 15 Star Schema Jobs in London

PySpark, Spark SQL, T-SQL and KQL, optimizing Delta tablesAdd data quality checks, validation rules, logging and alerting to data pipelinesBuild enterprise semantic models (star schema) using Direct Lake, Import or DirectQuery as specified in the architectureWrite efficient DAX measures, calculation groups and Power Query (M) transformationsBuild reports ...

Design, implement and maintain scalable ETL/ELT pipelines, ensuring data quality, integrity and reconciliation throughout the migration. Develop and optimise data warehouse structures, star schemas and dimensional models to support business and regulatory reporting. Apply best practices for Snowflake performance tuning, query optimisation and cost efficiency. Implement automated … design, query optimisation, performance tuning and troubleshooting. Significant experience designing and delivering enterprise-scale ETL/ELT solutions. Strong understanding of data warehousing principles, star schema design, dimensional modelling and data architecture. Experience with data governance, data quality and reconciliation within enterprise environments. Familiarity with Git-based source ...

/ELT solutions. Knowledge of Lakehouse and Data Warehouse architectures. Experience with Data Pipelines, Dataflows Gen2, and Notebooks. Understanding of data modelling techniques, including star schemas and dimensional modelling. Experience with Power BI semantic models and reporting. Knowledge of data governance, security, and performance optimisation. Experience using ...

/ELT solutions. Knowledge of Lakehouse and Data Warehouse architectures. Experience with Data Pipelines, Dataflows Gen2, and Notebooks. Understanding of data modelling techniques, including star schemas and dimensional modelling. Experience with Power BI semantic models and reporting. Knowledge of data governance, security, and performance optimisation. Experience using ...

/ELT solutions. Knowledge of Lakehouse and Data Warehouse architectures. Experience with Data Pipelines, Dataflows Gen2, and Notebooks. Understanding of data modelling techniques, including star schemas and dimensional modelling. Experience with Power BI semantic models and reporting. Knowledge of data governance, security, and performance optimisation. Experience using ...

plus years in a solution architect roleOne-plus year of Microsoft Fabric experienceTwo-plus years of Power BI experience: enterprise semantic model design, star schema modeling, DAX concepts, performance and capacity management and tenant administrationEnough hands-on ability to validate prototypes, review pipelines, notebooks, semantic models ...

within the insurance industry, ideally with exposure to Delegated Authority and/or Large Single Risk/Specialty business Familiarity with dimensional modelling concepts (star schemas, slowly changing dimensions) as applied within a modern lakehouse environment Thought Leaders: You are seen as an expert in your field and will ...

internship or academic project.Foundational SQL, with a willingness to build proficiency in optimising data models.Basic familiarity with data modelling concepts such as star schema or dimensional modelling.Exposure to Databricks, Microsoft Fabric, Azure Synapse or Snowflake.Awareness of Power BI or other BI tools.Curiosity about AI, machine learning and agentic ...

Proven ETL development and data pipeline experience. Solid understanding of data warehousing principles and best practices. Experience with dimensional modelling, including concepts such as star schema, semantic models, tabular models and Kimball methodologies. Exposure to DAX development. Experience working across complex data environments and multiple stakeholders. Strong problem ...

building and maintaining ETL processes and data pipelines Solid understanding of data warehousing concepts and dimensional modelling Experience working with semantic models, tabular models, star schemas, Kimball methodologies, or similar data modelling approaches Exposure to SSAS, DAX, and BI solution development Experience working across different data architectures and technology ...

will have strong commercial experience with: SQL Server and SQL development. ETL development and data pipeline engineering. Data warehousing principles and dimensional modelling. Star schema, Kimball methodologies, semantic models, and tabular models. DAX. Working within fast-paced delivery environments. Communicating effectively with both technical and non-technical stakeholders. ...

visualisation and back-end modelling Excellent SQL skills for querying, transforming, and structuring data Strong understanding of data modelling principles, including concepts such as star schema, Kimball methodology, and semantic modelling Experience developing and maintaining DAX measures and calculations Confidence engaging with stakeholders and translating business requirements into ...

resolve production data issuesMust Have SkillsStrong Handson experience with DBT Data Build ToolExpertise in Snowflake Data WarehouseAdvanced SQL development and performance tuningData modelling Star Schema Dimensional ModellingExperience with ELTETL conceptsGit version control and CICD practicesExperience working in Agile environmentsNice to Have SkillsPython or PySparkAzure Data Factory ADFAzure DevOps ...

marts and business specific data products. Ability to model complex business relationships, hierarchies, and many-to-many relationships. Proficiency in dimensional modelling techniques including star schemas, snowflake schemas, facts, dimensions, and slowly changing dimensions (SCDs).Experience producing ERDs, logical data models, business data models, and data dictionaries. Strong knowledge ...

data feeds, assessing data quality, structure, and suitability for analytics and AI use casesDesign and document analytics‐focused data models, including dimensional models and star schemasProduce source‐to‐target mappings, business rules, and transformation logic to support data engineering and analytics deliveryWork closely with data engineers, architects ...