7 of 7 Spark SQL Jobs in London

tuning (HNSW, IVF-PQ), metadata filtering, hybrid search (dense + sparse), and re-ranking pipelines. 4. Structured Data Retrieval — Design agentic text-to-SQL and text-to-query capabilities for structured/tabular data stores, enabling agents to autonomously formulate queries against trade, risk, P&L, and reference … Databricks as a core data platform — Unity Catalog for data governance, Delta Lake for reliable storage, Databricks Vector Search for managed embeddings, and Spark/SQL for large-scale data processing and feature engineering. 6. Query Routing & Orchestration — Implement intelligent query routing agents that decompose complex ...

producing technical documentation and securing approvals through governance bodies such as Architecture Review Boards. Build and deliver robust data solutions using Databricks, PySpark, Spark SQL, Azure Data Factory, and Azure services. Develop APIs and write efficient Python, PySpark, and SQL code to support data … related field. Proven experience designing and building cloud-based data platforms, ideally within Azure. Strong hands-on expertise with Databricks, PySpark, Spark SQL, and Azure Data Factory. Solid understanding of Data Lakehouse architecture and modern data platform design. Proficiency in Python for data engineering, automation ...

Data Warehouse capabilities. Design, manage, and optimise data storage within OneLake , ensuring well-governed, well-structured, and shareable data assets. Develop scalable Spark (PySpark/Spark SQL) data transformations through Fabric notebooks to support high-volume processing. Create, orchestrate, and monitor robust data ingestion … expecting to see: Required Skills Proven expertise across core Microsoft Fabric workloads and the unified analytics environment. Strong proficiency in Python, SQL , and Spark-based processing frameworks. Solid understanding of lakehouse architecture , including Delta/Parquet formats and data modelling. Experience designing secure, compliant, and well ...

building data pipelines in production environments. Proficiency with Microsoft Fabric, including Data Factory, lakehouses, warehouses, notebooks and semantic models. Strong skills in PySpark, Spark SQL and T-SQL for data transformation. Experience with medallion architecture or equivalent layered data processing patterns. Working knowledge ...

Deep understanding of Delta Lake, Medallion architecture, Lakehouse patterns, distributed compute, data modelling, and performance optimisation. Strong programming skills in Python, PySpark, and Spark SQL, with experience implementing CI/CD pipelines (Azure DevOps, branching/merging, automation). Solid knowledge of data governance, lineage, access ...

Databricks in enterprise-scale environments. Strong knowledge of Delta Lake , Medallion architecture, distributed compute and Lakehouse engineering patterns. Advanced Python, PySpark and Spark SQL skills, including deploying data workloads through Azure DevOps CICD , branching/merging and automated testing. Solid understanding of data governance, lineage, access ...

Your new company One of the most influential Central Government Organisations in the current economic climate Your new role Data Scientist - SC Cleared - SQL, Python & R What you'll need to succeed My client is looking for an Analytical Data Scientist, leading/working alongside a team … Existing SC or DV Clearance. Essential Criteria: Experience of delivering high-quality coding projects that make use of at least two of: SQL, Python & R Experience of engaging with stakeholders across government to scope and deliver impactful analysis Experience of leading teams through complex data science projects ...