1 to 25 of 32 Star Schema Jobs in London

e.g., PostgreSQL, MySQL) and experience with modern data warehousing solutions (e.g., Snowflake, BigQuery, Redshift, Synapse). Data Modeling: Knowledge of data modeling principles (e.g., star schema, snowflake schema, normalization). Programming: Proficiency in Python and/or Scala for data processing and pipeline development. Agentic workflows: Experience ...

Strong proficiency in SQL and Python Strong experience with AWS (Batch, Lambda, Glue, ECR, RDS, Redshift, S3) Experience in data warehousing, database design (e.g., star schema, snowflake schema), and data modelling. Excellent problem‐solving skills and the ability to work independently and as part of a team ...

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 ...

skills for transformations, data modelling, and debugging data issues Experience building and supporting ingestion pipelines end to end Understanding of data modelling for analytics (star schema, facts/dimensions) and how schema changes affect downstream users Exposure to layered data architectures (e.g. bronze/silver/gold ...

Server experience, including database design, optimisation and troubleshooting. - Significant experience designing and implementing ETL/ELT solutions - Strong understanding of: - Data warehousing principles - Star schema and dimensional modelling - Data architecture and data governance - Performance tuning and optimisation - Experience working with source control and CI/CD delivery practices. ...

practices, such as SOLID principals, structuring code, testing, IOC, etc. Strong repositories, CI/CD skills. Strong knowledge of Kimball data modelling, such as star schema, snowflake, etc. Strong SQL skills. Strong data analysis skills. Excellent written and verbal communication skills A demonstrable track record of getting stuff ...

query optimisation and working with the Azure data stack (Data Factory, Synapse/Fabric, SQL‐based semantic layers). Advanced Power BI: data modelling (star schemas), advanced DAX, Power Query/M, performance tuning, RLS, and deployment via pipelines. Understanding of Power BI engineering discipline: PBIP/TMDL 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 ...

varied unstructured content into structured meta-data; Knowledge of developing dimensional data models from unstructured content and awareness of the advantages and limitations of Star Schema and Snowflake schema designs; Solid ETL development, reporting knowledge based off intricate understanding of business process and measures; Knowledge of Snowflake ...

experience building and optimising semantic or data models at scale, including window functions and complex business logic. Solid understanding of data modelling principles — star schema, dimensional modelling, DAX. Experience with Power BI and the Microsoft Power Platform, including building on top of central/curated data models. Familiarity ...

varied unstructured content into structured meta-data. Knowledge of developing dimensional data models from unstructured content and awareness of the advantages and limitations of Star Schema and Snowflake schema designs. Solid ETL development, reporting knowledge based off intricate understanding of business process and measures. Knowledge of Snowflake ...

query optimisation and working with the Azure data stack(Data Factory, Synapse/Fabric, SQL-based semantic layers). Advanced Power BI: data modelling (star schemas), advanced DAX, Power Query/M,performance tuning, RLS and deployment via pipelines. Astrong understanding of Power BI engineering discipline: PBIP/TMDLsource ...

high-performance solutions aligned with your target data architecture. Master Data Modeling Techniques – Apply expertise in various data modeling approaches, including 3NF, Data Vault, Star Schema, and One Big Table (OBT). Clearly articulate the benefits and trade-offs of each method and optimize their implementation within columnar ...

comparable Spark‐based platform) and cloud data lake storage (ADLS Gen2, S3 or equivalent). SQL and hands‐on experience with dimensional modelling (star schema/Bronze‐Silver‐Gold or similar medallion patterns). Experience building the data layer behind BI tools, ideally Power BI, including designing performant ...

ensure clean, reliable and timely data flows into a central reporting layer with low ongoing maintenance. Build a scalable data model, such as a star schema, to support fast, flexible reporting rather than one-off extracts. Establish data governance practices, including naming conventions, refresh schedules, version control ...

automation. Hands-on experience with cloud platforms (AWS, Azure, GCP). Familiarity with Databricks Workflows and other orchestration tools. Knowledge of data modelling methodologies (star schemas, Data Vault, Kimball, Inmon). Familiarity with medallion architectures, data lakehouse principles and distributed data processing. Experience with version control tools (GitHub, Bitbucket ...

optimisation Stakeholder engagement and requirements gathering Communicating technical concepts to non-technical audiences Designing scalable reporting solutions using best-practice methodologies such as Kimball, Star Schema, or Medallion Architecture Azure DevOps or CI/CD processes Azure Databricks Databricks Genie or AI-assisted analytics tools Microsoft Fabric Agile ...

architecture for Power BI-based BI and management information applications, translating reporting needs into scalable technical solutions. Design governed semantic and data models using star-schema principles, DAX and Power Query, and define standards for datasets, dataflows, workspaces and report design. Architect integrations between Power BI and Azure ...

Snowflake ) Proven experience with dbt (modelling, testing, documentation) Experience building dashboards in Looker ( LookML is a strong plus) Solid understanding of data modelling concepts (star schema, dimensional modelling) Experience working with large-scale datasets Strong communication skills with the ability to work with non-technical stakeholders NICE ...

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 ...

Services, Snowflake (including CoCo & Streamlit), dbt (transformations & modelling), Python (automation/engineering), and SQL Server. Prior experience in Enterprise ETL/ELT pipeline design, Star Schema & Dimensional Data Modelling, performance tuning, and source control with CI/CD delivery practices. Strong Financial Services background-specifically within Credit Risk ...

building and designing products that use both real-time and batch data at scale, and an understanding of the underlying data architecture (e.g. lakehouse, star schema). Ability to write and validate SQL queries, and to trace data flows end-to-end to ensure data quality. Awareness ...

/Sub, and Cloud Scheduler* Experience with Infrastructure as Code (Terraform) for provisioning and managing cloud resources.* Solid understanding of data modelling techniques (star schema, dim/fact architecture, slowly changing dimensions).* Comfortable with Git (GitHub, branching strategies, pull requests) and CI/CD (Cloud Build ...

system observability, and experience with source control tools like GitHub. Hands on experience with dbt or similar transformation tools. Strong data modelling principles, including star schema, and best practices for building scalable data assets that can be used in BI and other user facing tools. Experience working with ...

team spirit Nice-to-Have Data Governance & Quality Hands-on experience with: Data Quality Data Governance practices Familiarity with modelling approaches such as: Star Schema OBT Knowledge of modern architectures: Medallion Lambda Kappa Experience building or contributing to cloud-based data platforms AWS preferred Familiarity with: S3 Glue ...