1 to 25 of 273 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 ...

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 ...

self-managing and self-serviceDeliver continuous service improvement by developing Infrastructure as CodeEliminate manual, repetitive, automatable, tactical tasks that are devoid from valueImprove system performance, make effective use of resources, distribute load and reduce latencyIdentify SLO’s (Service Level Objectives) to meet availability and latency objectivesDevelop pro-active monitoring … skills in Microsoft Windows Server internals and related technologiesExcellent skills in managing and maintaining Active Directory, DHCP, DNS, LDAP and KerberosExtensive experience in hardware performance monitoring and tuning complex low latency systems.Agile, Site Reliability Engineering (SRE) and DevOps Principles and practicesExceptional knowledge of scripting and programming languages such ...

# 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 ...

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 ...

guide effective development approaches by the engineering teams.Lead the implementation of the most complex and business‐critical changes, setting the standard for quality, performance, and maintainability.Provide hands‐on expertise in Java‐based systems, including concurrency, performance tuning, memory management, and API design.Non‐Functional Ownership & System PerformanceTake … capacity management, ensuring the platform performs predictably under variable and peak loads.Provide deep expertise in working with large databases and data stores, including performance optimisation, data access patterns, and operational scaling.Problem Solving & Technical Decision SupportSolve the most complex and ambiguous technical problems, particularly those spanning multiple components or teams.Act ...

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 ...

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 ...

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 ...

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 ...

provide timely resolution of database-related incidents and problems.Demonstrate strong analytical and problem-management capabilities to resolve complex technical issues.Provide consulting services on database performance monitoring, tuning, capacity planning, and optimization.Coordinate with development teams during project implementations and release cycles.Participate in infrastructure modernization, technical initiatives, and data center … governance standards.Required QualificationsTypically 8-12 years Hands-on experience in IBM z/Mainframe environments with strong expertise in DB2 Database Administration, database support, performance tuning, security implementation, automation, disaster recovery, and production support.Deep understanding of Db2 database architecture, administration, backup and recovery procedures.Experience in production support ...

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 ...

support, configuration management, and lifecycle maintenance across the network estate for financial services clients. The role focuses on complex incident resolution, change execution, and performance optimisation for SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments, ensuring all activities meet stringent regulatory, security, and compliance standards. … audit trails Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Financial ...

support, configuration management, and lifecycle maintenance across the network estate for financial services clients. The role focuses on complex incident resolution, change execution, and performance optimisation for SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments, ensuring all activities meet stringent regulatory, security, and compliance standards. … audit trails Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Financial ...

market and technology insight. Manage technical risk on large scale identity and biometric projects, evaluating the technical and business impacts caused by bias, matching performance, and resilience to presentation attacks. Own the architecture design of large-scale identity solutions, managing governance forums for compliance, including identifying and documenting dispensations … exposure to a range of modalities e.g. biographic, fingerprint, facial, and iris. Understanding of testing methodologies for biometric and identify verification systems, measuring bias, performance, performance drift and presentation/system resilience. Understanding of the risks related to biometric and identity verification solutions, the role of Presentation Attack ...

prem estates) and cloud transformation projects to Databricks on Azure/AWS/GCP, including assessment, wave planning, and cutover. Stay hands-on: performance tuning, debugging, code and design reviews, and setting engineering standards for the team. Presales & Stakeholder Management Own and defend enterprise solution designs in front … data engineering/architecture, 3+ on Databricks at enterprise scale, and still happiest when hands are on the keyboard. Deep Spark expertise — architecture, performance tuning, streaming, debugging, the advanced stuff that separates architects from diagram-drawers. Lakehouse fluency — Medallion architecture, Delta Lake, Unity Catalog, governance, orchestration (Workflows ...

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 ...

associated technical design. Design for high availability, including active-active architecture, failover and disaster recovery . Build, configure and operationalise Cassandra clusters. Undertake performance tuning, capacity planning and production readiness activities. Manage cluster operations including node additions/decommissions, repairs, backups and recovery. Work closely with application, middleware … production environments Keyspace and table design Data modelling and partition-key design Replication factors and consistency Cassandra architecture and configuration Cluster operations and troubleshooting Performance tuning and capacity planning High availability, failover and disaster recovery CQL and Cassandra internals Linux administration and scripting Experience with technologies such ...

with exposure to a range of modalities e.g. biographic, fingerprint, facial, and iris.Understanding of testing methodologies for biometric and identify verification systems, measuring bias, performance, performance drift and presentation/system resilience.Understanding of the risks related to biometric and identity verification solutions, the role of Presentation Attack Detection … verification, identification, and liveness detection (facial and fingerprint).Experience in working with stateless application designs, designing with site reliability and operational processes, and performance tuning and automation testing.Recognised industry expert with market presence and experience speaking at biometric and digital identity events.Have existing trusted relationships with biometric vendors ...

understand requirements and resolve issues Creating and maintaining low-level technical designs and documentation Supporting CI/CD and software delivery activities Debugging, performance tuning and improving application reliability Participating in Agile ceremonies and sprint activities Contributing to digital transformation and wider engineering projects What we're looking … experience with: Java and associated technologies Spring Boot Unit testing, test automation and TDD DevOps tooling and CI/CD Debugging, profiling and performance tuning Agile software delivery Experience with Docker or other container technologies would also be beneficial. We are looking for someone with strong problem-solving ...

etc. and SOAP .• Expertise in Adobe form development(both Classical, Fragment based) with Java scripting knowledge• Expert in Fiori related troubleshooting, AIF, Performance tunning• Techno Functional expertise in SAP Concur, Accounts Payable/Receivables, Billing and Invoicing• Hands on experience with good knowledge of S/4 HANA … 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 ...

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. • SAP S/4 EWM technical knowhow – high level … 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 ...