1 to 25 of 254 Performance Tuning Jobs in the UK

Principal Business Intelligence Developer

Hiring Organisation
Guy's and St Thomas' NHS Foundation Trust
Location
London, United Kingdom
Employment Type
Permanent
Salary
£64156.00 - £71148.00 a year
systems, configure hardware, and optimize database performance. 6. Data Security and Integrity: Implement security protocols to protect data from unauthorized access or breaches. 7. Performance Tuning: Optimize database performance through indexing, query tuning, and efficient resource management. 8. Database Monitoring and Troubleshooting: Continuously monitor databases … Modeling: Ability to design normalized, relational, and sometimes non-relational databases. Security Protocols: Knowledge of database encryption, access controls, and other security best practices. Performance Optimization: Experience in performance tuning techniques such as indexing, caching, and load balancing. Problem-Solving: Strong analytical skills for troubleshooting issues

Senior .NET Developer

Hiring Organisation
KBC Technologies UK LTD
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
/CD pipelines . The ideal candidate should have a deep understanding of backend development, microservices, DevOps practices, and modern cloud environments. Experience with performance tuning, application optimization, and system migrations is a strong advantage. Key Responsibilities Design, develop, and maintain applications using .NET Framework, .NET Core (6+ … Contribute to DevOps practices, automation improvements, and deployment processes. Participate in migration projects, refactoring legacy components to modern .NET Core-based architectures. Optimize application performance, troubleshooting performance bottlenecks across APIs and services. Work with RabbitMQ for messaging, event-driven integrations, and asynchronous communication. Collaborate with cross-functional teams

Site Reliability Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
Wigan, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 Annual
innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS … modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime

Data Engineer

Hiring Organisation
BUZZ Bingo
Location
Nottingham, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Assurance: Implement checks and monitoring processes to ensure accuracy and reliability. Documentation: Maintain detailed technical documentation for data architectures, pipeline designs, and operational procedures. Performance Tuning: Analyse and optimize workflows for performance and cost efficiency. Innovation: Stay current with emerging technologies and best practices to continuously improve … data pipelines, and containerization technologies. Must have a full UK Driving Licence and access to your own vehicle. Desirable: Familiarity with DAX Studio for performance tuning and query diagnostics. Strong proficiency in DAX (Data Analysis Expressions) for creating complex measures, calculated columns, and tables Background in retail, hospitality

SQL DBA

Hiring Organisation
Harvey Nash
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
hands-on experience with Cosmos DB to join the clients engineering team. The successful candidate will play a key role in optimising the performance, reliability, and scalability of our mission-critical databases that support a large legacy application currently experiencing latency challenges. This role involves both strategic improvements … tactical performance tuning, ensuring that our data platform evolves while continuing to support existing business processes effectively. Main Duties: Database Operations Administer, configure, and support SQL Server environments across development, test, and production. Manage, optimise, and monitor Azure Cosmos DB workloads, ensuring cost-effective, scalable performance. Perform proactive

SQL Performance Engineer

Hiring Organisation
Lorien
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum 10% bonus + private healthcare
Performance Engineer - Hybrid (Glasgow or Edinburgh) - Up to £50,000 Are you passionate about optimising high-volume data systems and solving complex performance challenges? We're hiring a Performance Engineer to join a growing tech team working on a cutting-edge financial data platform. This … hybrid role, with 2 days in the office (Glasgow or Edinburgh) and 3 days working from home . What You'll Be Doing Tuning and optimising complex SQL queries to improve system performance Building tooling for diagnostics and deployment risk management Automating performance testing and benchmarking across

Data Architect

Hiring Organisation
CODEVERSE LIMITED
Location
Warwick, Warwickshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
data engineering teams on complex technical challenges Conduct architecture reviews and design authority for data solutions Mentor engineers on best practices in data modeling, performance optimization, and cloud architecture ESSENTIAL SKILLS: Data Modeling expertise - Star schema, dimensional modeling, Data Vault, logical/physical design Snowflake Cloud Data Platform - Architecture … design, performance tuning, cost optimization, governance Azure Data Factory - Pipeline architecture, orchestration patterns, best practices Azure Databricks - Lakehouse architecture, Delta Lake, Unity Catalog, medallion layers SQL & Python - Strong technical foundation for hands-on guidance and code reviews DataOps & CI/CD - GitHub/Azure DevOps, automated

Oracle Database Administrator

Hiring Organisation
Lorien
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £575 per day
Enterprise Linux (RHEL) as well as Azure and AWS cloud platforms. The ideal candidate will have strong expertise in Oracle administration, performance tuning, automation, and cloud-native deployments. Key Responsibilities Database Installation & Configuration Install, configure, and upgrade Oracle Database software on Red Hat Enterprise Linux (RHEL) systems. Configure … . Security & Access Management Administer users, roles, privileges, and authentication. Implement encryption, auditing, and compliance controls. Apply quarterly CPU/RU patches across environments. Performance Monitoring & Tuning Monitor and analyse performance using: AWR (Automatic Workload Repository) - for gathering performance statistics and generating reports on system load.

DBA SQL / Azure - Outside IR35 - Hrbrid Edinburgh

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
strong SQL Server expertise and hands-on experience with Azure Cosmos DB to join their engineering team. This role is critical to optimising the performance, reliability, and scalability of mission-critical databases supporting a large legacy application currently facing latency challenges. You will work on both strategic improvements … tactical performance tuning, ensuring their data platform evolves while continuing to support existing business processes effectively. Administer, configure, and support SQL Server environments across development, test, and production. Manage and optimise Azure Cosmos DB workloads for cost-effective, scalable performance. Perform proactive capacity planning, patching, and upgrades. Identify

Senior Azure Infrastructure Engineer

Hiring Organisation
Computer Futures
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £100,000 per annum
native transformation, and shape the future of infrastructure for a high-impact engineering team. Join a tech-forward company where your decisions directly influence performance, reliability, and innovation across platforms used by millions. You'll be at the heart of a mission to modernise legacy systems, accelerate delivery … Senior Infrastructure Engineer , you'll: Architect and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform) Optimise .NET application stacks for performance, scalability, and resilience Implement observability and monitoring tools to ensure system health and uptime Lead CI/CD automation using Azure DevOps and Git workflows Drive

Senior Azure Infrastructure Engineer

Hiring Organisation
Computer Futures
Location
Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £100,000 per annum
your chance to design, build, and optimise the backbone of platforms used by millions. Join a tech-driven organisation where your expertise shapes performance, reliability, and innovation. You'll be the driving force behind modernising legacy systems, accelerating delivery, and empowering developers with world-class tooling. Your Mission … built platforms from the ground up. What You'll Bring 5+ years of hands-on Azure infrastructure experience Strong knowledge of .NET architecture & performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus

SIEM Application Engineer - ElasticSearch

Hiring Organisation
Adecco
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
security objectives forward. You'll also be responsible for presenting findings and writing documentation tailored to both technical and business audiences. Query optimisation and Performance Tuning:Write efficient Elasticsearch queries to retrieve relevant security events. Monitor and manage the performance of the SIEM infrastructure to maintain optimal … authentication, and encryption using Elastic Security features.- Ability to create, test, and optimise detection rules based on the MITRE ATT&CK Framework.- Experience in performance tuning with Elasticsearch and Logstash, including monitoring Logstash pipelines.- Proficiency in using Kibana for data visualisation and monitoring. Advantageous:- Familiarity with offensive testing

MS Dynamics Developer (Power Automate / Dynamics 365 F&O) - SC Cleared

Hiring Organisation
MLC Partners
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£425 - £500 per day
Power Apps (low-code) and incorporate AI features where appropriate to enhance F&O processes; evaluate new platform capabilities. Provide 3rd-line support , performance tuning, and bug fixes; support user training and produce support documentation. Consult with stakeholders on technical/functional design; explain complex topics clearly … extension models , upgrade strategies, coding standards, and maintainability best practices. Experience with unit testing , code reviews , technical documentation , and UAT . Proven maintenance & performance tuning for Dynamics 365 applications. Excellent communication skills; able to translate complex technical concepts for non-technical stakeholders. Experience working in Agile/Scrum

SQL DBA

Hiring Organisation
Picture More Ltd
Location
Birmingham, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
large, business-critical SQL Server and Azure SQL platforms. This is a hands-on position where you'll play a key role in maintaining performance, stability, and resilience across the firm's core applications. The role Administer and optimise SQL Server databases () across on-prem and Azure. Deliver performance tuning, query optimisation and advanced troubleshooting. Manage HA/DR including AlwaysOn AGs, clustering, backups, and failover. Monitor capacity, patching, security, and database integrity. Support application upgrades, releases, and T-SQL-driven integrations. Provide 3rd-line support for major incidents. Produce documentation, runbooks, and operational best practice. Work

SQL Database Administrator

Hiring Organisation
Picture More
Location
Chelmsford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
large, business-critical SQL Server and Azure SQL platforms. This is a hands-on position where you’ll play a key role in maintaining performance, stability, and resilience across the firm’s core applications. The role Administer and optimise SQL Server databases (2014–2022) across on-prem and Azure. … Deliver performance tuning, query optimisation and advanced troubleshooting. Manage HA/DR including AlwaysOn AGs, clustering, backups, and failover. Monitor capacity, patching, security, and database integrity. Support application upgrades, releases, and T-SQL-driven integrations. Provide 3rd-line support for major incidents. Produce documentation, runbooks, and operational best

Messaging Engineer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across

Solace Expert

Hiring Organisation
Ncounter
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £125,000 per annum
experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+• Strong understanding of event-driven and messaging principles• Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns• Ability to analyse issues across application, network, and infrastructure layers• Clear communication skills and the ability to collaborate across

Oracle DBA

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
role in supporting our extensive portfolio of over 800 Oracle databases, primarily focusing on Oracle 19c. You will be responsible for ensuring the reliability, performance, and security of our database environments, which include complex configurations such as RAC/ASM, Exadata, Dataguard, and RMAN. Key Responsibilities: Support and maintain … Clusters and associated application tools. Create, modify, and patch various database products as needed. Execute Oracle RMAN backup and recovery procedures effectively. Optimize database performance through tuning and monitoring. Configure and operate Oracle GoldenGate microservices. Provide support for Oracle Exadata and Oracle DataGuard environments. Utilize OEM 13c, Oracle

JDA Dispatcher Developer

Hiring Organisation
Espire Infolabs Limited
Location
United Kingdom
Employment Type
Permanent, Work From Home
other systems like ERP, TMS, and material handling equipment (MHE). Troubleshooting: Analysing and troubleshooting technical problems related to the JDA Dispatcher WMS, including performance issues, integration problems, and user-related operational issues. Documentation: Creating and maintaining documentation for configurations, customizations, and processes related to the JDA Dispatcher WMS. … Monitoring & Performance Tuning: Monitoring the system's performance, identifying bottlenecks, and tuning the system for optimal performance. Capacity Planning: Planning for future capacity needs of the system and ensuring capability to handle increasing volumes of data and users. Coordination: Collaborating with various teams, including IT, operations

Temenos Transact (T24) Developer & Database Administrator

Hiring Organisation
Langley James Limited
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
will have indepth knowledge of the Temenos Transact (T24) data structure and the ability to develop and administer Microsoft SQL Server administration , and performance tuning, with a strong ability to work independently and translate business requirements into robust data solutions. Key Responsibilities Design, develop, and maintain SQL Server … analyse, and interpret user requirements to design and deliver effective database solutions with minimal supervision. Administer, monitor, and optimise SQL Server environments, ensuring availability, performance, and security. Implement and manage database backup, recovery, and disaster recovery strategies. Support application teams in integrating and accessing data efficiently. Troubleshoot and resolve

Senior Specialist Engineer (SRE)

Hiring Organisation
UK Health Security Agency
Location
Birmingham, Leeds, Liverpool, London (Canary Wharf), United Kingdom
Employment Type
Permanent
Salary
£41983.00 - £52113.00 a year
manage these aspects while taking responsibility for multiple cloud infrastructure services Observing systems will be key to prioritising the operational service improvements and performance improvements to meet/exceed SLOs (Service Level Objectives) The role will be responsible to the Principal Specialist Engineer SRE and is part … High Performance Computing, Site Reliability Engineering , Artificial intelligence (HPC/SRE/AI) & research computing unit whose remit is to: Architect, develop & manage multi-cloud HPC platforms and on-premise infrastructure Ensure services are highly available, scalable and resilient Managing performance, capability and capacity planning Support UKHSA

PySpark Developer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£35 - £55/hour
optimise Spark-based data pipelines for batch and streaming workloads Develop Fabric dataflows, pipelines, and semantic models Implement complex transformations, joins, aggregations and performance tuning Build and optimise Delta Lake/delta tables Develop secure data solutions including role-based access, data masking and compliance controls Implement data … cleansing, profiling and documentation Work closely with analysts and stakeholders to translate requirements into scalable technical solutions Troubleshoot and improve reliability, latency and workload performance Essential Skills Strong hands-on experience with PySpark, Spark SQL, Spark Streaming, DataFrames Microsoft Fabric (Fabric Spark jobs, dataflows, pipelines, semantic models) Azure: ADLS

Tableau Developer / Data Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
interactive Tableau dashboards and reports to provide actionable insights for stakeholders. Data Engineering: Develop and maintain robust data pipelines, ensuring data integrity, scalability, and performance across multiple sources. Data Integration: Work with structured and unstructured data from various internal and external systems, applying ETL best practices. Collaboration: Partner with … analysts, data scientists, and business teams to understand requirements and deliver high-quality solutions. Performance Optimisation: Monitor and tune Tableau Server performance, ensuring efficient query execution and user experience. Governance & Security: Implement data governance standards and ensure compliance with Home Office security protocols. Essential Skills & Experience Proven experience

DevOps Engineer

Hiring Organisation
Applause IT Recruitment Ltd
Location
Crewe, Cheshire, United Kingdom
Employment Type
Permanent
scaling using IaC (Cloud Development Kit or Terraform) Support application configuration, optimisation, and migration into high-availability setups Manage database deployments and contribute to performance planning Carry out load testing, capacity planning, and performance monitoring Investigate incidents, resolve issues, and improve system reliability Work closely with developers using … MSSQL administration Azure cloud services KongHQ/AWS API Gateway Azure DevOps CloudFront and other CDNs SSL certificate management, configuration hardening, domain setup Performance tuning and load testing Experience with pipeline-based mobile app builds/remote Mac builders What's on Offer Competitive salary and benefits package

Software Engineer - Hybrid working - £150,000 - £500,000 Base (+ Bonus)

Hiring Organisation
Hunter Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact … themselves on working with the most cutting edge technologies and you will work and learn from the best. Responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement