1 to 25 of 38 SQL Optimisation Jobs in the UK

Scripting knowledge (Shell/PowerShell) and Python (advantageous) Experience with Agile/Scrum practices Exposure to on‐prem to cloud migration (preferred) Knowledge of SQL/PL‐SQL optimisation Familiarity with Control‐M or scheduling tools (desirable) Experience in financial services/investment banking environments Strong communication ...

governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate data product delivery Govern the application database landscape across – reviewing schema … across multiple product teams as a data authority, balancing strategic design with direct delivery contribution Guide and mentor application engineers on data modelling, query optimisation, and data quality best practices Engage senior stakeholders across Technology, Finance, Risk, and Operations to communicate data strategy, risks, and trade‐offs Facilitate data ...

Essential Proven experience in a Data Engineer role, with exposure to data quality, governance or data management practices. Strong hands-on Snowflake experience, including SQL optimisation and data pipeline development. Experience building and orchestrating data pipelines using tools such as dbt, Airflow or similar. Strong SQL skills ...

Oracle Autonomous Data Warehouse (ADW) and a strong understanding of Oracle Fusion data structures. Strong technical capability across data modelling, ETL/ELT processes, SQL optimisation and analytics engineering. Proven experience collaborating with Data Scientists, AI Engineers and/or Machine Learning Engineers to support the development ...

backend technologies (Node.js, Ruby) Solid understanding of frontend testing (Vitest, Jest) Understanding of clean code within both OOP and FP Experience with PostgreSQL and SQL optimization Proficiency with Git and modern CI/CD practices Understanding of web security and performance best practices Experience with cloud platforms ...

process (eligibility criteria apply). We are looking for a versatile Azure Data & ML Support Engineer with strong expertise in Azure cloud services, DevOps, SQL, and data warehousing to support and optimize ongoing operations in a Managed Services environment. This role is responsible for ensuring the stability, performance … proactive monitoring, issue investigation, automation, and continuous improvement. The ideal candidate will also play a key role in supporting data warehouse systems by managing SQL-based data loads orchestrated through Azure Data Factory (ADF), and by writing and optimizing SQL queries to aid in troubleshooting, data validation ...

database environment. Ensure high availability, performance, reliability and security. Performance tuning, monitoring and troubleshooting. Manage upgrades, patching, backups and recovery. Support schema design, SQL optimisation and integrations. Manage database access, permissions and compliance. Act as the escalation point for database issues. Build and optimise SQL queries … Grafana and reporting. Essential Skills MySQL & PostgreSQL Linux Strong SQL development and performance tuning Backup & recovery Production database administration Desirable QuestDB/time-series databases Redis/Elasticsearch Grafana Dolt Financial services or regulated environment experience Ideal Candidate: Experienced DBA or Database Engineer with strong troubleshooting skills, a hands ...

expertise in Core Java, including multi‐threading and the Collections framework. Utilize Spring Framework effectively for application development. Work extensively in creating and optimizing SQL queries. Ensure adherence to software engineering best practices, object‐oriented programming (OOP) principles, and design patterns. Contribute to the continuous integration and continuous delivery ...

Framework or comparable JVM backend frameworks; Pekko or Akka experience is highly relevant. Strong understanding of relational databases, especially MySQL, with practical knowledge of SQL optimization, indexes, query profiling, and transaction behaviour. Experience using Redis or similar technologies for caching, session handling, or performance-sensitive workloads. Deep understanding ...

ArgoCD, automated testing pipelines, and monitoring via Prometheus—treating deployment reliability as a first-class concernFamiliarity with analytical warehousing in Snowflake or ClickHouse, including SQL optimization, cost management, and performance tuningWorking knowledge of identity, privacy, and targeting methodologies in ad tech—understanding how data flows through the ecosystem ...

/TypeScript AWS Skills EC2 Lambda S3 RDS API Gateway ECS/EKS CloudWatch IAM SNS/SQS VPC Database & Data Processing Skills Oracle SQL Server PostgreSQL MySQL Database Query Performance Tuning SQL Optimization Apache Flink ETL DevOps & Tools Git Jenkins Maven Docker Kubernetes SonarQube JIRA Agile/ ...

Grafana and Analytics (via Databricks/MLflow), unblocking the Data Science team. Mentorship: Upskill the existing team in good practices (dbt, git workflows, SQL optimisation, data modelling). Experience & Background Pragmatic Architect: Capable of making trade-offs between “academic perfection” and “business value”. They must align architecture ...

React UI, focusing on real-time analytics and BI capabilities that power restaurant operators. The role emphasizes performance on large data sets, SQL optimization, and collaboration with product and design. Hybrid work at our Marylebone office, plus strong benefits and career growth in a fast‐growing company. #J ...

join the Risk Data Team. You will architect and implement robust microservices using Java/J2EE, Spring Boot, and RESTful services while optimizing SQL and CI/CD pipelines. You will lead a team of developers, promote clean code, and help advance cloud-native data platforms across the Institutional ...

intuitive self-service reporting solutions for business users Developing and maintaining Azure-based data pipelines and ETL processes Designing scalable Azure data architecture Optimising SQL queries and database performance Improving data quality, governance and documentation Translating business questions into analytical solutions that influence strategic decision making Identifying commercial opportunities … Fabric and AI to support the future BI strategy Driving continuous improvement by automating manual reporting processes SKILLS Advanced Power BI development experience Strong SQL and database optimisation skills Experience designing robust data models Excellent knowledge of DAX and Power Query (M) Experience developing ETL processes Strong understanding ...

Designing and developing engaging dashboards and reports using Power BI. Transforming complex data into clear, meaningful insights that support business performance. Writing and optimising SQL queries, views, and datasets to underpin reporting solutions. Building and maintaining reliable data pipelines to support efficient data ingestion and transformation. Collaborating with data … with Power BI and Power BI Service , including dataflows, apps, and gateway management. Proven experience designing and optimising data models within Power BI. Advanced SQL skills, including complex query writing, optimisation, and working with large datasets. Solid understanding of data warehousing principles, ETL/ELT processes, dimensional modelling ...

Designing and developing engaging dashboards and reports using Power BI. Transforming complex data into clear, meaningful insights that support business performance. Writing and optimising SQL queries, views, and datasets to underpin reporting solutions. Building and maintaining reliable data pipelines to support efficient data ingestion and transformation. Collaborating with data … with Power BI and Power BI Service , including dataflows, apps, and gateway management. Proven experience designing and optimising data models within Power BI. Advanced SQL skills, including complex query writing, optimisation, and working with large datasets. Solid understanding of data warehousing principles, ETL/ELT processes, dimensional modelling ...

technical SME across Databricks, Fabric, Synapse, and Azure. Own solution design, implementation strategy, and technical delivery. Build and optimise pipelines using PySpark , Spark SQL , ADF , Synapse Pipelines , or Fabric Pipelines . Define engineering best practice, conduct code reviews, and uplift quality. Develop secure, performant SQL solutions. Manage Azure … bring Proven leadership of Data Engineering teams. Strong commercial experience with Databricks , Microsoft Fabric , or Azure Synapse . Deep expertise in PySpark , Spark SQL , and SQL optimisation. ETL/ELT pipeline development and orchestration. Experience building scalable cloud-based data platforms. Nice to Have Snowflake experience. Broad experience ...

services and automation with clear packaging, dependency management, and architectural standards Own data design and implementation, including schema design, data access patterns, and complex SQL optimization aligned to performance and reliability requirements Build and manage infrastructure as code using Terraform, supporting containerized deployments via Kubernetes and CI/… skills for building production-grade services and automation, with solid testing, packaging, and maintainability practices - Java or Pyhon Strong understanding of relational databases and SQL, including schema design, query optimization, indexing, and transaction management Demonstrated experience building AI solutions using large language models in production environments, including quality assurance ...

doing Developing, maintaining and enhancing enterprise Java applications. Supporting live production services and resolving technical issues. Working with Oracle databases, writing and optimising SQL queries. Deploying and supporting applications running on WebLogic. Managing code using Git and Maven within controlled release processes. Working with containerised applications deployed on Kubernetes. … looking for Strong commercial experience developing Java applications in enterprise environments. Experience supporting live production systems. Hands-on experience with Oracle WebLogic. Strong Oracle SQL knowledge. Experience using Git and Maven. Experience working with Kubernetes and containerised applications. A proactive approach with excellent problem-solving skills. Ability to work ...

architectural standards Build and maintain responsive front-end features using React, delivering intuitive user experiences for risk analysts and business stakeholders Write and optimize SQL queries and data models to support reporting, analytics, and data-driven decision-making across credit risk platforms Leverage enterprise-authorized AI coding assist tools … outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices Experience writing and optimizing SQL queries in support of application development, data analysis, or reporting Solid understanding of agile methodologies and software delivery practices, including continuous integration and continuous ...

architectural standards Build and maintain responsive front-end features using React, delivering intuitive user experiences for risk analysts and business stakeholders Write and optimize SQL queries and data models to support reporting, analytics, and data-driven decision-making across credit risk platforms Leverage enterprise-authorized AI coding assist tools … outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices Experience writing and optimizing SQL queries in support of application development, data analysis, or reporting Solid understanding of agile methodologies and software delivery practices, including continuous integration and continuous ...

Opportunities to develop and grow your skills What You'll Be Doing Designing and developing Oracle APEX applications, dashboards, and reports Building and optimising SQL and PL/SQL to support data-driven solutions Working with stakeholders to translate reporting requirements into technical solutions Owning … reporting lifecycle (data → application → enhancement) Ensuring applications are performant, intuitive, and easy to use What We're Looking For Experience with Oracle APEX Strong SQL/PL/SQL skills Good understanding of relational databases and data modelling Ability to build clean, user-friendly applications A practical, problem ...

performance, customer experience and commercial outcomes. This is a hands-on analytical position rather than a leadership role. The successful candidate will combine strong SQL and Power BI capability with commercial awareness, stakeholder engagement and, importantly, the ability to take ownership of their work. You will be expected … what the data shows, but why it matters and what the organisation should consider doing as a result. Key Responsibilities . Develop and maintain SQL queries and analytical datasets . Build, maintain and improve Power BI dashboards and reporting . Analyse product performance, customer behaviour and commercial outcomes . ...

software, or modifying existing solutions Designing, developing, and maintaining custom web applications using Microsoft .NET (.NET Core, .NET Framework) with C#, ASP.NET Core, and SQL Server Implement responsive, user-friendly front-ends Build and consume REST APIs for integration Designing and building AI-powered features and tools Developing … optimising SQL Utilising low-code development platforms such as Power Apps, Power Automate, PatternBuilder, and Fliplet to design and implement custom applications that improve business processes and workflow efficiency You will also be involved in collating documentation, testing and providing support and training to users Skills and experience required ...