1 to 25 of 69 Performance Tuning Jobs in the South East

SC Cleared Data Warehouse Engineer - Outside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
through Azure SQL, OLAP technologies, and DAX-powered semantic models. You will collaborate with data engineers, analysts, and business stakeholders to ensure reliable, high-performance data pipelines and analytics platforms. Key Responsibilities Data Warehouse Development Design and develop enterprise data warehouse solutions using Azure SQL Database/Azure … snowflake schemas for analytical workloads. Develop ETL/ELT pipelines for ingesting and transforming data from multiple source systems. Implement data partitioning, indexing, and performance optimization strategies. Data Modeling & Analytics Develop OLAP data models for business intelligence and reporting. Create and optimize DAX measures, calculated columns, and KPIs. Design ...

Infrastructure DBA

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £375 per day
company who are scaling their modern EPR platform into a fully cloud-based SaaS solution. They’re looking for an Infrastructure DBA to own performance, reliability and zero-downtime delivery across a large, distributed, sharded database estate. What You’ll Be Doing Monitoring and optimising distributed/sharded databases … shard allocations, replication health and overall performance Tuning and maintaining MySQL (replication, VReplication, patching, performance) Managing monitoring & alerting with Prometheus, Grafana and associated tooling Overseeing backups, restores and DR (validations, dry-runs, ongoing improvements) Reviewing DBA updates, maintaining performance baselines and driving infra optimisation Supporting data ...

DBA (SQL) - 6-month FTC

Hiring Organisation
Saga Group
Location
Folkestone, Kent, South East, United Kingdom
Employment Type
Contract
Contract Rate
£45,000
will report to the Lead Technology Engineer and work alongside our expert DBAs. In this role you will be responsible for the availability, security, performance and stability of the SQL platforms used across the Saga Group. We will require you to have at least mid-level skill … DBA. Youll be proficient in T-SQL queries, stored procedures, partitioning, indexing, and performance tuning, plus SQL scripting for automation. We are a hands-on team, so you will need to be proficient with backups/recovery, monitoring, security, and SSIS/SSRS for ETL/reporting ...

V05599 - Oracle Report Developer

Hiring Organisation
Outsource
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Contract
Publisher, SmartView, FRC Write and optimise SQL and PL/SQL queries and procedures Translate business requirements into technical reporting solutions Ensure data accuracy, performance tuning, and compliance Support testing, deployment, troubleshooting, and documentation Collaborate with DBAs, developers, and functional teams Skills & Experience Strong Oracle …/SQL experience Hands-on experience with Oracle reporting tools (BI Publisher, Oracle Analytics etc.) Good understanding of Oracle ERP databases Experience with performance tuning and complex queries 3–6+ years in Oracle reporting or ERP-based environments Desirable: Oracle APEX, OTBI/OBIEE, EBS/Cloud ...

Data Engineer (Automation)

Hiring Organisation
Network IT
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
cases. Monitoring and troubleshooting daily data operations, resolving issues following ITIL best practices, and implementing proactive improvements, alerting, and self-healing mechanisms. Enhancing pipeline performance and observability, improving monitoring, alerting, and automated preventative rules. Supporting data governance processes such as data quality, lineage, masking, encryption, archiving, and compliance, with … successful in this role, you will bring: Proven experience delivering automated end-to-end data engineering solutions in complex environments. Advanced SQL skills, including performance tuning and optimised queries across large datasets to prepare AI-ready data . Knowledge of Python (or R) for data processing, transformation ...

Senior Java Full Stack Engineer

Hiring Organisation
Total Recruitment Group
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £530 per day Inside IR35
relational database design, and strong cross-team communication within a DevSecOps environment. What Youll Be Doing: Designing and building secure, scalable microservices Developing high-performance REST APIs backed by Postgres/Oracle (advanced SQL, performance tuning, schema design) Modernising legacy systems into resilient, cloud-native architectures Embedding ...

DBA Specialist

Hiring Organisation
Experis
Location
Winchester, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £465/day
skilled and experienced Database Administrator (DBA) Specialist to join our team. The DBA Specialist will be responsible for the design, implementation, maintenance, and performance of our critical database systems. This role requires a deep understanding of database technologies, strong problem-solving abilities, and a commitment to ensuring data integrity … database schemas, tables, indexes, and stored procedures. Ensure database scalability and performance. Perform routine database maintenance tasks, including backups, restores, and patching. Monitor database performance and troubleshoot issues. Manage database security and access control. Implement and maintain high availability and disaster recovery solutions. Required Skills: Proven experience ...

Snowflake Data Architect

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
modelling standards including dimensional modelling, star schema, and enterprise data models. Lead architecture reviews and solution design discussions for new data initiatives. Optimize Snowflake performance, workload management, and cost governance. Establish data governance frameworks including access control, data security, and compliance standards. Design and support AI/ML-ready … guest behaviour analysis, booking trends, revenue analytics, and operational reporting. Required Technical Skills Data Platform Strong expertise in Snowflake Deep knowledge of Snowflake architecture, performance tuning, data sharing, security, and workload optimization. Cloud Platform Strong experience with Amazon Web Services, including: S3 IAM AWS Glue Lambda CloudWatch Data ...

Data Engineer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
designing, developing and optimising resilient data pipelines that support operational and analytical use cases across complex programmes. The focus is on clean engineering, performance, security and long-term maintainability. Key experience required: • Active SC Clearance • Deep expertise across AWS data services such as Glue, Lambda, S3, Redshift, EMR, Athena … pipelines in cloud environments • Experience working with large, complex datasets, both structured and unstructured • Strong understanding of data modelling, optimisation and performance tuning • Experience with Infrastructure as Code, ideally Terraform or CloudFormation • Familiarity with CI/CD pipelines and secure DevOps practices within AWS You will work across ...

Oracle FDI Reporting Lead - SC Cleared

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
data flows.You will play a key role in maturing the organisation's FDI capability - driving high-quality data modelling, optimising performance, strengthening governance, and enabling robust, scalable reporting solutions. Key Responsibilities Leverage FDI subject areas and enhance existing models to meet evolving business needs. Optimise data performance … governance compliance. Troubleshoot and resolve issues related to data modelling and reporting within FDI. Lead best-practice approaches for FDI deployment, security, optimisation, and performance tuning. Collaborate with Technology teams and third-party partners to plan, coordinate, and deliver aligned work packages. Champion continuous delivery and DevOps practices, driving ...

Power BI Developer - Permanent - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
query optimization, database design). Hands-on experience with SSIS for ETL development. Solid understanding of DAX for calculations and performance tuning. Experience in data modelling (dimensional modelling, fact/dimension tables). Familiarity with data warehousing concepts and best practices. Ability to work with large datasets and optimize ...

Lead Dynamics 365 Developer and Support

Hiring Organisation
Salt
Location
Slough, Berkshire, UK
Employment Type
Full-time
security standards. Support Provide 2nd and 3rd line support across Dynamics CRM applications. Manage incidents, service requests, and changes following ITIL processes. Monitor CRM performance and proactively resolve operational issues Skills & Experience Required Essential Proven technical expertise in Dynamics 365 CE configuration and customisation. Hands-on with Power Platform … Excellent stakeholder management, communication, and problem-solving skills. Desirable Exposure to Copilot and AI-driven tools. ITIL certification or experience working in ITIL environments. Performance tuning and data migration expertise. *Rates depend on experience and client requirements JBRP1_UKTJ ...

Senior BI Developer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
models Building robust Power BI datasets, reports, and semantic models Delivering complex data transformations using Python and PySpark Writing advanced T-SQL queries and performance-optimised stored procedures Acting as a senior escalation point for BI developers and coordinating workload distribution Ensuring governance, best practice, and testing standards across … Hands-on experience with Infor M3 ERP data Advanced Power BI skills across modelling, DAX, optimisation, and dataset design Strong SQL capabilities (T-SQL, performance tuning, stored procedures) Experience with Python and/or PySpark for data transformation Background coordinating or leading BI developers Experience delivering ...

GIS Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £450 per day
workflows. Develop and consume REST APIs, Web Services, and OGC standards (WMS/WFS/KML/GML). Support testing, troubleshooting, and performance tuning of GIS applications. Required Skills: Strong experience with ArcGIS Enterprise 11.5 (Portal, Server, Data Store). Knowledge of cloud platforms (AWS, Azure ...

MS Dynamics 365 Developer

Hiring Organisation
Belcan
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£38.25/hour
requirements into technical specifications. Develop and maintain integrations between D365 and other enterprise systems using APIs and middleware. Participate in system upgrades, patches, and performance tuning. Ensure code quality through unit testing, code reviews, and adherence to best practices. Provide technical support and troubleshooting for D365 applications. Maintain documentation ...

MS Dynamics Developer

Hiring Organisation
Line Up Aviation
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£38.25/hour
requirements into technical specifications. Develop and maintain integrations between D365 and other enterprise systems using APIs and middleware. Participate in system upgrades, patches, and performance tuning. Ensure code quality through unit testing, code reviews, and adherence to best practices. Provide technical support and troubleshooting for D365 applications. Maintain documentation ...

Microsoft Dynamics 365 Developer

Hiring Organisation
TekWissen UK
Location
Farnborough, England, United Kingdom
requirements into technical specifications. Develop and maintain integrations between D365 and other enterprise systems using APIs and middleware. Participate in system upgrades, patches, and performance tuning. Ensure code quality through unit testing, code reviews, and adherence to best practices. Provide technical support and troubleshooting for D365 applications. Maintain documentation ...

Data Engineer

Hiring Organisation
Bibby Financial Services
Location
Banbury, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Data Engineer £50-60K + benefits + performance bonus Flexible Location | Hybrid working with frequent travel to Banbury required Ever built a data pipeline and wondered... is anyone really using this? Ever wanted more say in the architecture, the tools, the direction and not just the tickets … medallion architecture approach Help shape our data architecture with the Data Architect Implement governance, quality checks and access controls (Unity Catalogue) Optimise for performance, reliability and scalability in Azure Contribute to CI/CD and DevOps practices in Azure DevOps But here's the bit that makes this different ...

Lead PySpark Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£281 - £292 per day
PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/ ...

Data Warehouse Engineer - Outside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
Implement data models (star schema, snowflake schema) optimized for analytics and reporting. Ensure data quality, consistency, and governance across the data warehouse. Optimize query performance and data refresh processes . Work closely with business stakeholders, analysts, and data teams to gather reporting requirements. Implement data security and access controls … within the BI environment. Monitor and troubleshoot data pipelines, warehouse performance, and reporting issues. Document data architecture, data flows, and BI solutions. Required Skills & Qualifications Bachelor's degree in Computer Science, Information Systems, Data Engineering, or related field . 3+ years of experience in Data Warehousing or Data Engineering ...

Web logic, ODI Infra Admin

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
Environment Setup: Deploy and configure ODI Java EE agents, Master/Work Repositories, and create ODI connections using WebLogic console or Configuration Wizard. Performance Tuning: Monitor and tune WebLogic server performance (JDBC data sources, connection pools) and optimize ODI mappings, knowledge modules (KMs), and Load Plans. Security ...

DBA - SQL Server

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
excellent opportunity for a mid-level DBA who enjoys hands-on technical work, supporting developers, and strengthening their skills in Azure SQL and performance tuning. You’ll play a key role in ensuring the stability, performance, and security of our database estate while working closely with developers … similar role. Strong SQL Server installation, configuration, maintenance, and security understanding. Solid T-SQL skills for writing and refactoring queries. Experience with performance tuning techniques. Exposure to Azure SQL administration and monitoring. Experience supporting development teams with SQL-related needs. Experience with SQL-to-Azure migration projects. Familiarity ...

Data Lead (Fabric)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
Azure Storage, Azure Logic Apps, Azure Function Apps and authentication/identity services. Provide governance and technical support for Power BI reporting, including modelling, performance tuning and adoption standards. Support the successful delivery of automations, integrations, and digital improvements across multiple programmes. Work closely with multidisciplinary teams including … services and cloud architecture. Expertise in data warehousing, ETL/ELT, data lakes, modelling and modern BI practices. Strong Power BI knowledge - modelling, governance, performance and best practice. Understanding of digital integration, automation tooling and contemporary architectural frameworks. Leadership & Delivery Experience leading multi-disciplinary technical teams in complex ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance, availability, capacity and reliability. Oversee site collections, permissions, authentication, service applications and governance. Support backup, restore and disaster recovery processes. Troubleshoot complex cloud … React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. Understanding of authentication, permissions, governance and security ...

Microsoft Dynamics Developer

Hiring Organisation
ARM
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£38.25/hour
requirements into technical specifications Develop and maintain integrations between D365 and other enterprise systems using APIs and middleware Participate in system upgrades, patches, and performance tuning Ensure code quality through unit testing and code reviews Provide technical support and troubleshooting for D365 applications Maintain documentation for customizations, configurations ...