1 to 25 of 31 Permanent 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 ...

join an established technology team on a 12-month fixed-term contract. This is an opportunity for an experienced Oracle Developer with strong SQL and PL/SQL skills to work on business-critical applications, develop database solutions and help improve the performance and reliability of existing systems. … Oracle Developer, you'll focus on Oracle database development, writing and optimising SQL and PL/SQL code, enhancing applications and resolving complex technical issues. You'll also contribute to the delivery of new functionality, ensuring database solutions are thoroughly tested, maintainable and fit for purpose. Experience with ...

experience with a modern framework such as React, Angular or Vue.js, to deliver complete full-stack applications. Hands-on experience across database technologies, including SQL optimisation for relational databases (PostgreSQL, SQL Server) and schema design for NoSQL stores (MongoDB, Elasticsearch, Redis). Experience designing, securing (OAuth2 … Azure or GCP), including infrastructure as code (Terraform, CloudFormation) and serverless services. Proficiency with Docker and Kubernetes, including Helm. Strong troubleshooting, profiling and performance optimisation skills, using tools such as Prometheus, Grafana and Jaeger. A commitment to automated testing at every level (unit, integration, end-to-end and performance ...

workarounds. Support structured testing cycles: integration testing , UAT , regression testing , and performance testing with clear evidence and traceability. Improve system performance and reliability through SQL optimisation , indexing strategy, query tuning, and careful control of transactional behaviour and locking. Participate in change delivery and IT projects: impact analysis, estimation … genuinely “core systems” role, deep engineering, data integrity, and operational resilience. Required skills Informix 4GL development (structured coding, modularisation, validation, exception handling patterns) Strong SQL (joins, aggregation, subqueries, performance thinking, transaction control) Informix Dynamic Server (IDS) fundamentals (sessions, locks, storage, backup awareness, basic monitoring) Exposure to enterprise Unix variants ...

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 ...

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 ...

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 ...

taxonomies, controlled vocabularies, metadata or knowledge graph solutions. Strong understanding of RDF, RDFS, SKOS, OWL, SHACL and Linked Data principles. Experience writing and optimising SQL and SPARQL queries. Experience using Python for data wrangling, transformation, automation and semantic processing. Experience with semantic libraries and frameworks such as RDFLib ...

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 ...

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 ...

Unix/Linux environments. Basic scripting experience in Unix, Perl, or Python would be beneficial. Experience with Relational Databases, including writing and optimising SQL queries to extract information. At least 8 years' relevant experience would generally be expected to find the skills required for this role. Minimum Bachelors ...

models for extraction, classification and risk prediction. Data engineering Own versioned, validated data flows for modelling and inference, including schema design and SQL optimisation for large training and scoring workloads. Extract data from client source systems and build cohort logic that is accurate and interpretable. Technical delivery Lead … temporal, NLP or LLM-based models. Experience building reproducible training and evaluation pipelines, and containerising and deploying models (for example, Docker, FastAPI). Strong SQL, a solid grounding in relational databases, schemas and data transformations (ideally DBT), and experience preparing data for model training and scoring. Hands ...

models for extraction, classification and risk prediction. Data engineering Own versioned, validated data flows for modelling and inference, including schema design and SQL optimisation for large training and scoring workloads. Extract data from client source systems and build cohort logic that is accurate and interpretable. Technical delivery Lead … temporal, NLP or LLM-based models. Experience building reproducible training and evaluation pipelines, and containerising and deploying models (for example, Docker, FastAPI). Strong SQL, a solid grounding in relational databases, schemas and data transformations (ideally DBT), and experience preparing data for model training and scoring. Hands ...

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 ...

downstream teams to ensure reliable data processes and compliance with security and change standards. The role emphasizes Spark/Scala/Python, Airflow orchestration, SQL optimization, and robust CI/CD practices using GitLab, Docker, and Starburst/Trino knowledge. #J-18808-Ljbffr ...

Proven expertise in mainframe performance and scalability assessments within large enterprise environments. Strong hands-on knowledge of Db2 for z/OS , including SQL optimisation, access paths, buffer pools, locking and database growth strategies. Deep understanding of CICS transaction performance , workload behaviour and application-to-database interactions. Experience ...

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 ...

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 ...

your responsibilities You will bring sound technical judgement, proven leadership experience and a track record of delivering digital change. Desirable technical experience includes Microsoft SQL Server, stored procedures and relational database design; JavaScript and/or Python; and Power BI. You will lead and manage the System Configuration … include leading change management and resolving technical issues. You will also oversee testing programmes and maintain system documentation, contributing to major system upgrades and optimisation initiatives that improve system reliability and support effective service delivery. About us Maidstone and Tunbridge Wells NHS Trust ranks among ...

part of multiple projects, wear different hats, and truly see the difference your work makes. We develop and deliver industry-leading route optimisation and electronic proof of delivery (ePOD) technology to the logistics, construction, and field service sectors. We have some huge clients, and some tiny ones, and because … skilled practitioner who can lead database work to successful technical outcomes by factoring in technical debt, data modelling, stability, security, and business needs. Query Optimisation: Comfortable reading and optimising SQL using execution plans, indexes, and configuration tuning. Resilience & Observability: Responsible for backup strategies, replication, and disaster recovery procedures ...

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 ...

reporting, data quality, and transformation initiatives. This role is ideal for someone who enjoys getting hands-on with data and has strong experience across SQL, Microsoft Fabric, Power BI, and data modelling . You’ll work closely with stakeholders across the business to improve data processes, deliver insights … support the ongoing development of a modern data platform. What you’ll be doing as the Senior Data Analyst Developing and optimising SQL queries, stored procedures, and database solutions. Designing and maintaining reporting solutions using Power BI. Working with Microsoft Fabric, including Dataflows, Pipelines, and data transformation processes. Supporting ...

tools that support traders and keep operations running smoothly. They're looking for a Junior/Mid-Level Backend Software Engineer with Python and SQL experience to join their growing team. You'll focus on developing and maintaining backend systems supporting financial data processing, risk management, reporting and trade … Designing, developing and maintaining backend applications using Python. Building data processing pipelines to transform financial and trade data into meaningful information. Writing and optimising SQL queries to manage and analyse large datasets. Developing automated tools to identify discrepancies in financial records and risk calculations. Working with data engineers ...

faster and more reliable delivery of AI features. What you’ll be doing: Designing, building and maintaining ETL/ELT pipelines. Writing and optimising SQL, and maintaining data models and schemas. Working with the AI Engineer to understand and meet data needs for AI features. Monitoring data pipeline health … retention practices About you Proven experience designing, building and maintaining production-grade data pipelines (ETL/ELT) within modern cloud-based data platforms. Strong SQL expertise and data modelling capabilities, with hands‐on experience using cloud data warehouses and data transformation/orchestration tools. Demonstrated ability to integrate data ...