1 to 25 of 45 SQL Optimisation Jobs in the UK

Senior DevOps Engineer

Location
Greater London, England, United Kingdom
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 ...

Data Architect

Location
Greater London, England, United Kingdom
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 ...

Data Quality Engineer

Location
West of England, England, United Kingdom
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 ...

Full Stack Developer

Location
Greater London, England, United Kingdom
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 ...

Oracle APEX Developer

Hiring Organisation
Frontier Resourcing Ltd
Location
London, United Kingdom
Employment Type
Contract
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 ...

Azure Data Support Engineer

Hiring Organisation
Avanade
Location
London, UK
Employment Type
Full-time
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 ...

Senior Database Administrator Leading Financial

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
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 ...

Full Stack Developer - Assistant Vice President

Location
Belfast City District, Northern Ireland, United Kingdom
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 ...

WebMethods + Java Full Stack Developer

Hiring Organisation
DNS Info Ltd
Location
Bournemouth, Dorset, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £300/day
/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/ ...

Developer – Scala

Location
Newcastle upon Tyne, England, United Kingdom
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 ...

Software Developer

Hiring Organisation
Get Staffed Online Recruitment
Location
Hull, North Humberside, North East, United Kingdom
Employment Type
Permanent
Salary
£35,000
contributing to shared codebases and following team processes (version control, code reviews, etc.). Some experience with relational databases, such as writing and optimising SQL queries (PostgreSQL experience is a bonus but not essential). Exposure to the full software development lifecycle, from writing and testing code through ...

Lead Data Engineer (Azure/Databricks)

Location
Sheffield, England, United Kingdom
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 ...

Full Stack Engineer – Real-Time Analytics & AI Dashboards

Location
Greater London, England, United Kingdom
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 ...

Business Intelligence Analyst

Location
Frimley, England, United Kingdom
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 ...

Senior DevOps Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
cloud infrastructureScripting knowledge (Shell/PowerShell) and Python (advantageous)Experience with Agile/Scrum practicesExposure to on-prem to cloud migration (preferred)Knowledge of SQL/PL-SQL optimisationFamiliarity with Control-M or scheduling tools (desirable)Experience in financial services/investment banking environmentsStrong communication and stakeholder management ...

Full-Stack Java Microservices Engineer — Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
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 ...

Software Developer

Hiring Organisation
Blues Point Ltd
Location
Stockport, Cheshire, United Kingdom
Employment Type
Full-Time
Salary
£43,000 - £50,000 per annum
Working with colleagues and stakeholders to understand requirements and deliver effective solutions Building and supporting applications using Microsoft technologies and Azure Developing and optimising SQL Server databases, queries and stored procedures Working as part of an Agile development team Troubleshooting application defects and performance issues Participating in code reviews … ecosystems What we're looking for You'll need solid commercial experience with: C# and .NET Microsoft Azure and cloud-based development Microsoft SQL Server and T-SQL HTML, CSS and JavaScript A modern JavaScript framework such as React or Angular The software development lifecycle, including development, testing ...

Junior Data Engineer

Hiring Organisation
Nigel Wright Group
Location
Greater Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
processes. • Working with APIs to ingest and process data from multiple sources. • Maintaining and enhancing data pipelines within the Azure environment. • Writing and optimising SQL queries to support reporting and operational requirements. • Monitoring data processes, identifying issues and implementing fixes where required. • Supporting data quality, governance and security initiatives. … skills, gained through commercial experience, higher education or personal projects. • Experience working with APIs and integrating data from multiple systems. • A good understanding of SQL and relational databases. • Familiarity with version control tools such as Git. • Strong analytical and problem-solving abilities. • Excellent communication skills and the ability ...

BI Developer

Location
Bristol, England, United Kingdom
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 ...

BI Developer

Location
United Kingdom
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 ...

Lead Data Engineer

Location
Greater London, England, United Kingdom
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 ...

Software Engineer III - Java, React & AI

Location
Auchentibber, Scotland, United Kingdom
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 ...

Software Engineer III - Java, React & AI

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
aligned to architectural standardsBuild and maintain responsive front-end features using React, delivering intuitive user experiences for risk analysts and business stakeholdersWrite and optimize SQL queries and data models to support reporting, analytics, and data-driven decision-making across credit risk platformsLeverage enterprise-authorized AI coding assist tools within …/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practicesExperience writing and optimizing SQL queries in support of application development, data analysis, or reportingSolid understanding of agile methodologies and software delivery practices, including continuous integration and continuous delivery ...

Software Engineer III - Java, React & AI

Location
Glasgow, Scotland, United Kingdom
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 ...

Data Analyst

Location
Greater London, England, United Kingdom
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 … only 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. Analyse customer journeys ...