1 to 25 of 267 Performance Tuning Jobs in London

manage enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains with a strong focus on capacity planning, performance engineering, and operational resilience. The role supports large‐scale enterprise environments, ensuring high availability, scalability, and performance across all infrastructure layers. Key Responsibilities Infrastructure … network; analyze trends for CPU, memory, storage IO, and network utilization; recommend and implement capacity optimization; collaborate with application, database, and infrastructure teams. Performance Engineering & Optimization – Lead performance analysis and tuning across AIX/Linux/Windows and VMware environments; identify bottlenecks in CPU, memory, disk ...

resilience, and recovery of critical database platforms. The successful candidate will be a hands-on technical expert, actively involved in architecture decisions, database design, performance tuning, data reconciliation, and operational support. Key Responsibilities Lead the architecture, design, and implementation of enterprise database solutions on AWS. Design and maintain … Define, implement, and test backup, recovery, failover, and disaster recovery processes. Actively participate in architecture reviews, technical governance, and design authority decisions. Optimise database performance through query tuning, execution plan analysis, indexing, and configuration improvements. Provide hands-on troubleshooting and resolution of complex production issues. Perform data reconciliation ...

resilience, and recovery of critical database platforms. The successful candidate will be a hands-on technical expert, actively involved in architecture decisions, database design, performance tuning, data reconciliation, and operational support. Key Responsibilities Lead the architecture, design, and implementation of enterprise database solutions on AWS. Design and maintain … Define, implement, and test backup, recovery, failover, and disaster recovery processes. Actively participate in architecture reviews, technical governance, and design authority decisions. Optimise database performance through query tuning, execution plan analysis, indexing, and configuration improvements. Provide hands-on troubleshooting and resolution of complex production issues. Perform data reconciliation ...

integrations, and innovative customizations. Technical Advisory & Governance Act as a subject matter expert and trusted advisor to clients and internal teams on platform capabilities, performance, scalability, and security. Establish governance frameworks to ensure technical consistency, integrity, and adherence to platform best practices. Requirements Analysis & Solution Design Collaborate with business … SOAP, JDBC, and MID Server technologies. Technical Oversight & Quality Assurance Provide technical direction to development teams, ensuring compliance with design patterns, coding standards, and performance guidelines. Conduct code reviews, ensure solution quality, and oversee technical delivery milestones. Prototyping & Demonstrations Lead the creation of technical prototypes and conduct platform demonstrations ...

# Lead Performance Test Engineer Apply now## **About the job you're considering**We are seeking a Lead Performance Engineer to lead a team of performance engineers delivering assurance across complex client programmes. You will set the performance strategy, define and agree non-functional requirements … quality gates, and ensure systems are scalable, resilient and ready for production.Working with engineering, architecture, DevOps, SRE, cloud and business teams, you will embed performance engineering throughout the delivery lifecycle**Hybrid working**: The places that you work from day to day will vary according to your role, your needs ...

impact of enhancements and customizations.Participate in architecture reviews, code reviews, and planning sessions.Ensure alignment with enterprise architecture and integration patterns.Provide configuration, environment setup, and performance optimization.Data EngineeringDevelop data designs and scripts for new projects of moderate to high complexity.Execute hands-on ETL and BI development delivery tasks, specifically … tools and infrastructure.Define and enforce database design and management standards with the database administrator and document new and existing database systems and procedures.Provide performance tuning guidance and advice for database systems for query and data loading performance, including data partitioning, indexing, etc.Identify opportunities to improve or extend ...

processes across Equities, Fixed Income, and Alternatives. This role will partner closely with portfolio managers, quantitative researchers, and business teams to deliver scalable, high-performance solutions that support both technology-owned platforms and business-driven workflows (e.g., co-developed tools such as dashboards and portfolio management utilities). … APIs, and microservices supporting portfolio analytics, optimization workflows, and data pipelines Design and optimize SQL-based data processing (PostgreSQL, SQL Server), including complex queries, performance tuning, and large-scale ETL workflows. Implement and support distributed, event-driven architectures (e.g., Kafka, asynchronous workflows) for scalable platform execution. Develop ...

supporting a mature Azure SQL Database environment. This is a hands-on role where you'll work with a large, established SQL codebase, troubleshoot performance issues, and help deliver reliable database solutions that support a business-critical platform. Location: SE London (Hybrid) What's on offer? Opportunity to work … with large-scale Azure SQL Database environments Varied technical challenges across performance tuning and optimisation Collaborative and supportive technical team Long-term career development opportunities Key responsibilities Design, develop and maintain T-SQL stored procedures, functions and complex queries Diagnose and resolve SQL performance issues using execution ...

behalf of a global IT Services Provider who are looking for a Data Consultant (Cerner/Oracle Health) to support the remediation of performance issues and other problems associated with data pipelines. Key Responsibilities Remediate data pipeline and performance issues Provide DBA expertise across performance tuning … data requirements Requirements: Excellent understanding of Cerner (Oracle Health Data) Advanced SQL skills Minimum 5 years' healthcare sector experience Strong DBA knowledge, particularly performance tuning Strong understanding of data architecture and data structures Knowledge of national healthcare submissions and data dictionaries Excellent problem-solving and stakeholder management skills ...

operational processes across Equities, Fixed Income, and Alternatives.This role will partner closely with portfolio managers, quantitative researchers, and business teams to deliver scalable, high-performance solutions that support both technology-owned platforms and business-driven workflows (e.g., co-developed tools such as dashboards and portfolio management utilities). … services, APIs, and microservices supporting portfolio analytics, optimization workflows, and data pipelinesDesign and optimize SQL-based data processing (PostgreSQL, SQL Server), including complex queries, performance tuning, and large-scale ETL workflows. Implement and support distributed, event-driven architectures (e.g., Kafka, asynchronous workflows) for scalable platform execution.Develop and maintain ...

health organisation is looking to engage two experienced Data Consultants with deep Cerner (Oracle Health) expertise to support the remediation of data pipeline performance issues within their data warehouse environment. This is a mainly remote role, with occasional site visits required for equipment collection and periodic stakeholder meetings. … Consultant required from 17th August and the second joining approximately two weeks later. Day to day, you will focus on identifying and resolving performance issues and broader problems affecting data pipelines. You will bring a strong problem solving mindset alongside hands on DBA skills to diagnose and remediate performance ...

application scalability and reliability in cloud-hosted Linux based environment Collaborate with DevOps to containerize services and deploy using CI/CD pipelines Conduct performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development processes What we want from you: Strong hands … experience with Core Java and multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributed systems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache Ignite in production environment Solid experience with MongoDB (CRUD, indexing, performance tuning ...

Database Maintenance & Security: Manage and support MS SQL Servers, designing data backups, reviewing security procedures, managing user permissions, and applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability ...

Data Factory and Databricks, replacing legacy SSIS pipelines. Identifying opportunities to harden and automate manual steps within the Finance Close workflow Conduct T-SQL performance tuning across on-prem and cloud environments.Conduct T-SQL performance tuning across on-prem and cloud environments. Collaborate with ...

Role : Low-Level C++ Engineer (GPU & ML Optimization) Client: Disruptive ML & GPU Technology Firm Compensation: Competitive Base + Performance Package Location: London, UK Overview We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm … 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. The Role We are seeking ...

clusters in globally distributed data centers. As such, this is a high-impact role with broad scope, from HPC/AI cluster design and performance tuning, to troubleshooting and automation for thousands of nodes.ResponsibilitiesDesign, build, and optimize large-scale distributed GPU compute clustersIdentify and resolve GPU workloads’ performance … complex issuesQualifications 5+ years of experience in large-scale Linux systems engineering in HPC, AI or distributed infrastructure roles.Extensive experience in Linux system installation, performance tuning, and troubleshootingExpertise in troubleshooting distributed GPU workloadsDeep knowledge around GPU optimization and performance Proficiency in Python scripting and automation frameworks CUDA ...

delivery of Guidewire-based insurance transformation programs. The role is responsible for defining end‐to‐end solution architecture across Guidewire XCentres, ensuring scalability, performance, integration alignment, and adherence to best practices. The role requires client coordination and deep functional or insurance (P&C) industry expertise. The ideal candidate combines … including on‐prem and SaaS versions. Responsibilities Define end‐to‐end architecture for Guidewire implementations (PolicyCenter, BillingCenter, ClaimCenter). Design scalable, modular, and high‐performance solutions. Create Solution Architecture Documents (SAD), High‐Level Design (HLD) and Low‐Level Design (LLD). Develop integration and data architecture that aligns with ...

transformations • Implement robust error handling, replay, recovery and operational support patterns covering technical failures, business validation failures, rejected records and downstream availability issues. • Support performance tuning for high-volume integrations, including batching, pagination, payload optimisation, parallel processing and appropriate use of asynchronous patterns. • Implement secure integration patterns using … technical and business error-handling frameworks, including logging, notification, retry, replay and reconciliation support. • Experience supporting high-volume or business-critical integration processing, including performance tuning and operational support considerations. • Ability to produce clear technical design documents, mapping specifications, test evidence, deployment instructions and support handover material. • Experience ...

operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

modernization initiatives from Teradata to Snowflake. Lead development of data models, ETL processes, and data integration strategies. Define data modeling, performance tuning, and SQL optimization standards. Ensure scalable, secure, and cost‐efficient Snowflake usage. Evaluate and recommend tools and technologies to enhance data management and analytics capabilities. Migration … business teams. Provide technical guidance during design and production issues. Participate in client discussions and solution reviews. Required Technical Skills Teradata – strong SQL, performance tuning, BTEQ scripting, experience with FastLoad, MultiLoad, TPT. Snowflake – architecture (virtual warehouses, storage, micro‐partitioning), SQL optimization, cost governance, Streams, Tasks, MERGE, roles, RBAC ...

Role/Job Titlke: Performance Architect Mode of working: Hybrid with 3-days onsite in London Duration: 12 Months (Likelihood of further extension Our client, working on behalf of the British postal service and courier company is urgently seeking a Performance Architect with extensive experience in Performance Architecture, Performance Engineering and System Optimization. The successful candidate will be responsible for defining and driving the performance strategy across the entire solution lifecycle, ensuring that applications and platforms are scalable, resilient, and capable of meeting business and operational demands. The role focuses on embedding performance ...

Design and build integrations between F&O and external systems using Power Automate, Dataverse, virtual tables, and RESTful APIs. Ensure data integrity, security, and performance in integration solutions. Create and maintain automated workflows and approval processes that embed business rules, thresholds, compliance controls, and auditability. Design, maintain, and optimize … incorporate AI features to enhance F&O processes. Provide ongoing maintenance, troubleshooting, and third‐level support for new and existing Dynamics 365 applications, including performance tuning and bug fixes. Consult with clients and end‐users on technical and functional aspects of the platform, providing guidance and recommendations ...

Fiori Apps• Strong knowledge in the ABAP runtime analysis tool (SE30), SQL Trace (ST05), System dump analysis (ST22) to analyse and improve runtime performance, performance tuning, troubleshooting, problem resolution and capacity planning.Preferred• Experience in Life science domain. • Previous experience for working in Pharmaceutical vertical • Multilingual proficiency … powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ...

Must Ideally Have:·MySQL and MariaDB on Linux·InnoDB·Database installations, backups, restores, replication·Scripting languages – Python and Bash·Stored procedures, SQL tuning·Performance Tuning·Capacity planning·Transaction processingYou will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment with ...