1 to 25 of 626 Permanent Performance Tuning Jobs in the UK

who will be responsible for implementation, support and maintenance of mission critical database environments. The administration of these environments includes clustering, storage, securing, monitoring, performance tuning, troubleshooting, and disaster recovery. This person will help manage and support current and future database and storage environments and initiatives, and proactively … up with the dynamic and growing business needs of DRW. Responsibilities: Proactively manage and optimize various database platforms and related OS environments Perform database performance and query tuning Implement and maintain production and non-production databases Perform database backups, restores, log shipping, mirroring and replication, etc. Work with … system engineering team on database server installations, configurations, system performance tuning and capacity planning Collaborate with development teams on database design, implementation and usage optimization Respond to production and business-critical issues and needs Position Requirements: 5+ years of production Oracle database engineering experience 5+ years of production More ❯

Mainframe Performance QA Engineer BCP Special Pool IRC248855 Job: IRC248855 Location: United Kingdom - London Designation: Lead Test Engineer Experience: 5-10 years Function: Quality Assurance Skills: DB2, IBM IMS, JCL, Performance testing/tuning, z/OS Work Model: Remote, Hybrid The client is a world-leading … years of hands-on experience: Good knowledge of IMS (log (IMS type 07 and Type 56FA) and ABEND analysis, DC Monitor (DFSUTR20), STROBE, Performance Analyzer, IMSASAP/GPAR, ability to read SYSUDUMPs, etc.) Performance tuning techniques: OS (z/OS,) Database (IMS, DB2) with focus on IMS … tuning Strong expertise in performance testing and tuning Strong technical QA experience Excellent skills in defining, documenting, and analyzing test strategy, test plan, test cases, and test results Excellent test case execution and troubleshooting skills Testing proficiency (release-specific testing, regression testing) Testing in a Waterfall environment More ❯

a highly skilled Siebel Developer looking to contribute to a dynamic and innovative team. If you are passionate about enterprise application development, integration, and performance optimisation, we encourage you to apply and be part of an exciting digital transformation journey. CGI was recognised in the Sunday Times Best Places … designing, developing, and maintaining enterprise-scale Siebel solutions. You will be responsible for supporting the full software development lifecycle (SDLC), ensuring seamless integration, optimal performance, and a robust Siebel infrastructure. Working within a multi-functional team, you will collaborate with developers, testers, and business analysts to gather requirements, assess … expected to manage and optimise Siebel Dev and SIT environments, ensuring a smooth migration of changes from development to testing. You will contribute to performance tuning initiatives, identifying and resolving bottlenecks in online and batch integrations to enhance system reliability. A key aspect of your responsibilities will include More ❯

a highly skilled Siebel Developer looking to contribute to a dynamic and innovative team. If you are passionate about enterprise application development, integration, and performance optimisation, we encourage you to apply and be part of an exciting digital transformation journey. CGI was recognised in the Sunday Times Best Places … designing, developing, and maintaining enterprise-scale Siebel solutions. You will be responsible for supporting the full software development lifecycle (SDLC), ensuring seamless integration, optimal performance, and a robust Siebel infrastructure. Working within a multi-functional team, you will collaborate with developers, testers, and business analysts to gather requirements, assess … expected to manage and optimise Siebel Dev and SIT environments, ensuring a smooth migration of changes from development to testing. You will contribute to performance tuning initiatives, identifying and resolving bottlenecks in online and batch integrations to enhance system reliability. A key aspect of your responsibilities will include More ❯

Outside IR35 Start date: ASAP, 12-month contract What you'll be doing Leading the development of scalable, reliable systems for training and fine-tuning transformer-based models Optimising inference pipelines for real-time applications — aiming for low latency and high throughput Exploring and applying advanced fine-tuning methods like LoRA, prefix-tuning, and adapters Tuning performance across GPUs and systems using tools like DeepSpeed, Triton, TensorRT, and even custom kernels Working closely with research, platform, and product teams to deliver new features and enhance the developer experience Identifying and resolving bottlenecks through profiling … benchmarking, and performance tuning Helping to define best practices for building, testing, and maintaining production ML services and APIs Mentoring other engineers and helping to foster a culture of technical excellence and innovation What our client is looking for 7+ years of experience building and deploying large-scale More ❯

Outside IR35 Start date: ASAP, 12-month contract What you'll be doing Leading the development of scalable, reliable systems for training and fine-tuning transformer-based models Optimising inference pipelines for real-time applications — aiming for low latency and high throughput Exploring and applying advanced fine-tuning methods like LoRA, prefix-tuning, and adapters Tuning performance across GPUs and systems using tools like DeepSpeed, Triton, TensorRT, and even custom kernels Working closely with research, platform, and product teams to deliver new features and enhance the developer experience Identifying and resolving bottlenecks through profiling … benchmarking, and performance tuning Helping to define best practices for building, testing, and maintaining production ML services and APIs Mentoring other engineers and helping to foster a culture of technical excellence and innovation What our client is looking for 7+ years of experience building and deploying large-scale More ❯

Outside IR35 Start date: ASAP, 12-month contract What you'll be doing Leading the development of scalable, reliable systems for training and fine-tuning transformer-based models Optimising inference pipelines for real-time applications — aiming for low latency and high throughput Exploring and applying advanced fine-tuning methods like LoRA, prefix-tuning, and adapters Tuning performance across GPUs and systems using tools like DeepSpeed, Triton, TensorRT, and even custom kernels Working closely with research, platform, and product teams to deliver new features and enhance the developer experience Identifying and resolving bottlenecks through profiling … benchmarking, and performance tuning Helping to define best practices for building, testing, and maintaining production ML services and APIs Mentoring other engineers and helping to foster a culture of technical excellence and innovation What our client is looking for 7+ years of experience building and deploying large-scale More ❯

Outside IR35 Start date: ASAP, 12-month contract What you'll be doing Leading the development of scalable, reliable systems for training and fine-tuning transformer-based models Optimising inference pipelines for real-time applications — aiming for low latency and high throughput Exploring and applying advanced fine-tuning methods like LoRA, prefix-tuning, and adapters Tuning performance across GPUs and systems using tools like DeepSpeed, Triton, TensorRT, and even custom kernels Working closely with research, platform, and product teams to deliver new features and enhance the developer experience Identifying and resolving bottlenecks through profiling … benchmarking, and performance tuning Helping to define best practices for building, testing, and maintaining production ML services and APIs Mentoring other engineers and helping to foster a culture of technical excellence and innovation What our client is looking for 7+ years of experience building and deploying large-scale More ❯

be responsible for designing, implementing, managing, and optimizing Azure SQL database environments. This role requires expertise in cloud-based database administration, high availability solutions, performance tuning, and security best practices. You will collaborate with development, infrastructure, and security teams to ensure efficient database operations that align with business … objectives. Main Duties and Responsibilities Design, implement, and maintain Azure SQL databases to support business applications. Monitor and optimize database performance, security, and availability. Configure and manage high availability and disaster recovery (HA/DR) solutions such as Always On Availability Groups. Perform database tuning, indexing, and query … . Expertise in database backup, recovery, and disaster recovery planning. Experience implementing security best practices, including RBAC, encryption, and auditing . Strong understanding of performance tuning techniques , including indexing strategies and query optimization. Familiarity with PowerShell scripting and Infrastructure as Code (IaC) tools such as Terraform or ARM More ❯

Senior Java Developer – High-Performance FX Trading We’re working on behalf of a prestigious financial services organization to source a highly skilled Senior Java Developer with a strong background in building high-performance, low-latency trading systems. This is an exciting opportunity to contribute to the evolution … while collaborating closely with cross-functional teams that include product leads, architects, and operations specialists. Key Responsibilities: Application Development: Design, develop, and maintain high-performance FX Matching applications using Java. Apply event-driven architecture principles to create scalable and responsive systems. Conduct OS-level and Java performance tuning … efforts and maintain automated test frameworks. Promote secure coding practices and contribute to compliance and risk mitigation strategies. Key Requirements: Proven experience building high-performance systems for FX or similar financial trading applications. Bachelor’s degree in Computer Science, Engineering, or a related technical field. Strong expertise in low More ❯

Senior Java Developer – High-Performance FX Trading We’re working on behalf of a prestigious financial services organization to source a highly skilled Senior Java Developer with a strong background in building high-performance, low-latency trading systems. This is an exciting opportunity to contribute to the evolution … while collaborating closely with cross-functional teams that include product leads, architects, and operations specialists. Key Responsibilities: Application Development: Design, develop, and maintain high-performance FX Matching applications using Java. Apply event-driven architecture principles to create scalable and responsive systems. Conduct OS-level and Java performance tuning … efforts and maintain automated test frameworks. Promote secure coding practices and contribute to compliance and risk mitigation strategies. Key Requirements: Proven experience building high-performance systems for FX or similar financial trading applications. Bachelor’s degree in Computer Science, Engineering, or a related technical field. Strong expertise in low More ❯

Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯

Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯

technologies. Scripting: SQL, PL/SQL, Shell, PowerShell. Tools: pgAdmin, SSMS, Oracle Enterprise Manager, AWS RDS, Azure SQL, etc. Backup solutions, monitoring tools, and performance tuning utilities. Minimum Qualifications: Degree or equivalent qualification; 2-3 years of Database Administration experience. Duties and Responsibilities: Database Management & Maintenance Install, configure … and upgrade database management systems (DBMS) such as Oracle, SQL Server, MySQL, PostgreSQL, etc. Perform routine maintenance including backups, updates, and patches. Monitor database performance and tune for efficiency (indexing, query optimization, etc.). Manage database storage and capacity planning. Security & Compliance Implement and manage database security policies including … recovery strategies. Perform regular data backups and test restoration procedures. Respond quickly to restore data in the event of a failure or breach. Monitoring & Performance Tuning Monitor database activity and usage. Analyze slow-running queries and make recommendations for optimization. Use tools to track performance metrics and More ❯

including Life Assurance, Private Health Cover, Pension Scheme, and More Your Skills/Background: Design and Build of High Volume Database Architectures TSQL, SQL, Performance Tuning Who we are: We're Sprint Enterprise Technology - a small, high-impact fintech company, doing big things in the UK wealth management … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: An expert in the design and build of high performance/high volume database architectures Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's Have in-depth knowledge of SQL Internal More ❯

legal systems. This is a key role within the technology team, working with both on-premises SQL Server and Azure SQL databases to optimise performance, security, and reliability. Location = onsite in Guildford 3 days per week - Hybrid Day Rate = £300-400 per day Responsibilities Database Development – Design and implement … efficient database structures for new and existing applications. SQL Optimisation – Develop and maintain T-SQL queries, stored procedures, functions, and triggers for performance improvements. Database Administration – Monitor, troubleshoot, and optimise databases for reliability and scalability. Performance Tuning – Implement indexing, query optimisation, and resource management. Security & Compliance – Manage … DBA . Expertise in SQL Server & Azure SQL , including database design and optimisation. Strong T-SQL skills (queries, stored procedures, functions). Experience with performance tuning, backup strategies, and high availability . Knowledge of data security best practices and compliance requirements. Familiarity with Azure Data Services (Data Factory More ❯

legal systems. This is a key role within the technology team, working with both on-premises SQL Server and Azure SQL databases to optimise performance, security, and reliability. Location = onsite in Guildford 3 days per week - Hybrid Day Rate = £300-400 per day Responsibilities Database Development – Design and implement … efficient database structures for new and existing applications. SQL Optimisation – Develop and maintain T-SQL queries, stored procedures, functions, and triggers for performance improvements. Database Administration – Monitor, troubleshoot, and optimise databases for reliability and scalability. Performance Tuning – Implement indexing, query optimisation, and resource management. Security & Compliance – Manage … DBA . Expertise in SQL Server & Azure SQL , including database design and optimisation. Strong T-SQL skills (queries, stored procedures, functions). Experience with performance tuning, backup strategies, and high availability . Knowledge of data security best practices and compliance requirements. Familiarity with Azure Data Services (Data Factory More ❯

end focused and is a hands-on technical leadership position , where you will be responsible for driving the design, development, and delivery of high-performance software solutions. While you will have some team management responsibilities, the primary focus of this role is technical excellence, ensuring that the team follows … Hands-on development: Lead by example, writing high-quality, well-tested Java code. Technical Leadership: Guide the team in best practices for software architecture, performance optimization , and maintainability. Design and problem-solving: Drive the design of complex systems, ensuring scalability, security, and reliability. Code reviews and mentorship: Provide guidance … and feedback through code reviews, fostering a culture of engineering excellence. Continuous improvement: Identify and drive technical improvement, such as refactoring, performance tuning, and new technology adoption. Collaboration: Work closely with Product UX, and other engineering teams to deliver high-value features. Team Support: While this is not More ❯

building scalable, resilient infrastructure and automation. Proven leadership in designing and maintaining Kubernetes-based platform solutions, with deep hands-on expertise in cluster orchestration, performance tuning, and team guidance. Extensive knowledge of Docker, Terraform, and modern CI/CD pipelines (GitLab, Jenkins), enabling seamless application delivery and infrastructure … and iOS, contributing to a unified delivery platform across frontend and backend systems. Hands-on experience in WebSphere Application Server administration, covering installation, configuration, performance tuning, and lifecycle management. Demonstrated problem-solving skills, with an analytical and systems-thinking approach to resolving complex platform issues. Domain experience in More ❯

SQL queries, stored procedures, and database architectures to support business operations. The ideal candidate will be highly proficient in SQL development, database administration, and performance tuning while ensuring data integrity and efficiency. Key Responsibilities Develop, optimise, and maintain complex SQL queries, views, and stored procedures using Microsoft SQL … RDBMS (e.g., MySQL, PostgreSQL) and NoSQL platforms (e.g., MongoDB) Support the Business Intelligence team in delivering insightful reporting solutions Ensure data quality, integrity, and performance across high-volume systems Participate in stakeholder discussions to shape bespoke data strategies Essential Requirements Commercial experience as a SQL Developer Strong expertise in … Familiarity with other relational and NoSQL database technologies Solid foundation in data engineering, including ETL and pipeline development Experience with high-transactional systems and performance tuning Understanding of business analytics and data-driven decision-making Based locally to East Midlands and available for full-time on-site work More ❯

SQL queries, stored procedures, and database architectures to support business operations. The ideal candidate will be highly proficient in SQL development, database administration, and performance tuning while ensuring data integrity and efficiency. Key Responsibilities Develop, optimise, and maintain complex SQL queries, views, and stored procedures using Microsoft SQL … RDBMS (e.g., MySQL, PostgreSQL) and NoSQL platforms (e.g., MongoDB) Support the Business Intelligence team in delivering insightful reporting solutions Ensure data quality, integrity, and performance across high-volume systems Participate in stakeholder discussions to shape bespoke data strategies Essential Requirements Commercial experience as a SQL Developer Strong expertise in … Familiarity with other relational and NoSQL database technologies Solid foundation in data engineering, including ETL and pipeline development Experience with high-transactional systems and performance tuning Understanding of business analytics and data-driven decision-making Based locally to East Midlands and available for full-time on-site work More ❯

drive operational excellence. Job Duties Lead, mentor, and develop a high-performing team of DBAs. Define and implement best practices for database administration, including performance tuning, service escalations, monitoring, security, and disaster recovery. Oversee all aspects of database operations, including installation, configuration, upgrades, migrations, patching, and application development … through data solutions. Monitor database performance and proactively resolve issues. Collaborate with development, architecture, and service teams to ensure smooth database deployments, integrations, best practice solution design, and achievement of service SLA requirements. Participate in capacity planning and resource allocation for the DBA team. Ensure high availability and disaster … ability to lead, motivate, and develop a high-performing team in a 24x7 high-traffic environment. In-depth knowledge of database administration concepts, including performance tuning, security, scaling, clustering, backup, and replication. Hands-on experience in an operational production DBA role with MySQL, MariaDB, or Oracle. Effective communication More ❯

committed to achieving net zero by 2040. Key Responsibilities Collaborate with the DBA team to optimize database queries and improve ETL job performance. Perform performance tuning of ETL processes to meet project requirements and deadlines. Troubleshoot and resolve issues related to ETL processes, data integration, and system performance. … Informatica PowerCenter (ETL tool) including designing and developing mappings, workflows, and sessions. Solid understanding of data modeling concepts and data warehousing. Practical experience on performance tuning techniques for ETL jobs. Excellent problem-solving skills and ability to work independently or in a team. Strong communication and documentation skills. More ❯

committed to achieving net zero by 2040. Key Responsibilities Collaborate with the DBA team to optimize database queries and improve ETL job performance. Perform performance tuning of ETL processes to meet project requirements and deadlines. Troubleshoot and resolve issues related to ETL processes, data integration, and system performance. … Informatica PowerCenter (ETL tool) including designing and developing mappings, workflows, and sessions. Solid understanding of data modeling concepts and data warehousing. Practical experience on performance tuning techniques for ETL jobs. Excellent problem-solving skills and ability to work independently or in a team. Strong communication and documentation skills. More ❯

role in a talented team where youll be developing and optimising highly available, robust, and scalable MySQL databases, while contributing to architectural decisions and performance tuning Essential: MySQL DBA and development experience Performance tuning, optimisation, and indexing SQL Server to MySQL migration experience Writing performant SQL More ❯