101 to 125 of 258 Performance Tuning Jobs in London

developing Power BI reports, dashboards, and data models. Hands-on expertise with Azure Data Factory ETL pipelines. Working knowledge of Azure Synapse modelling and performance tuning. Good SQL skills for analytics and optimisation. Understanding of Azure Data Lake structures. Experience using Git and Azure DevOps in Agile teams. ...

Join Barclays as a Low Latency Developer and become part of a technology team responsible for building and enhancing high performance trading systems that support critical business activity across our markets platform. This role is focused on the ongoing development and optimisation of a key platform supporting algorithmic trading … Latency Developer you must have the following essential skills : Low latency and advanced Java knowledge (lock free patterns, zero allocation development, performance tuning). OS and network tuning knowledge and hard on experience (mechanical sympathy). Working with low latency messaging (protocols, middleware). Some other highly ...

manage, secure and optimise customer database estates worldwide. Combining technical leadership with hands-on delivery, you'll establish best practices across assessment, monitoring, performance, backup, recovery and high availability, while growing a team of database engineers across EMEA, the Americas and APAC. You'll own the database engineering roadmap … leading complex stabilisation and re-architecture programmes across technologies including SQL Server, PostgreSQL, MySQL, Oracle and cloud data platforms, tackling challenging performance, resilience and data architecture issues, guiding customers through modernisation and translating technical recommendations into clear business outcomes for senior stakeholders. You'll also act as the final ...

agreed RPO and RTO targets. Monitoring and alerting with PEM.Register and manage servers and agents, configure meaningful metrics and alert thresholds, investigate alerts and performance trendsusing graphs, andmaintainnotification and escalation integrations. Automation and version control.Use TPA and Ansible/Spaceliftto build repeatable PostgreSQL/EDB environments andmaintainplaybooks and configuration … recovery.Configure and troubleshoot physical streaming and logical replication, replication slots, WAL retention, lag, and timeline issues; usepg_rewindwhenappropriate toresynchronize a node after timelines diverge. Performance engineering.Analyze execution plans and wait or lock behavior, tune SQL and indexes, andoptimizePostgreSQL and operating-system settings, includingautovacuum, memory, storage, and checkpoint ...

both. A genuine DevOps mindset: comfortable owning build pipelines, container images, releases, and the operational side of a product. Experience designing software for performance, scalability, and predictable cost on cloud infrastructure. Bonus Points Hands‐on experience with Snowflake , especially Native Apps, Snowpark Container Services, or building stored procedures … . Understanding of graph theory and graph algorithms (centrality, community detection, pathfinding, embeddings), or strong curiosity to learn them. Background in distributed systems , JVM performance tuning, or columnar/analytical query engines. Experience working in a distributed, remote‐first team and shipping to enterprise customers. #J-18808-Ljbffr ...

tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where performance, robustness, and scalability are critical: real-time systems, distributed architectures, high-throughput engines, and complex financial calculations. Joining MARGO means working in demanding Front Office, Global … modernize, and scale our core front-office calculation engines. This is a 100% hands-on Individual Contributor seat . You will write clean, high-performance back-end code and translate complex financial logic directly into production systems without business analyst or translation layers. Key Responsibilities Design & Engineering Design, build ...

complex requirements into functional designs, technical specifications, data models, interface designs, and deployment approaches. Provide design governance for security, profiles and permissions, custom objects, performance, data retention, environment management, and operational support. Own architecture across multiple service workstreams and advise client leadership on roadmap and modernization priorities. Development, Customization … equivalent middleware. Apply platform capabilities such as Job Scheduler, Element Manager, Data Sync, External Objects, and analytics where relevant. Lead troubleshooting, root-cause analysis, performance tuning, code reviews, release validation, and production stabilization. Implementation and Delivery Leadership Lead full lifecycle deliveries from requirements and solution design through configuration ...

document decisions, risks, and exceptions; present in governance forums and lead technical discussions. Drives platform observability and capacity planning; define approaches for resource utilization, performance monitoring, and cost optimization. Promotes effective ways of working and team productivity; support backlog management and delivery tracking. Mentors engineers and architects; foster … infrastructure security and hardening: secure boot, TPM/attestation, firmware security, host-based controls, and privileged access management for infrastructure. Experience with capacity planning, performance tuning, and cost optimization across large compute estates. Track record improving team productivity via agile ways of working, backlog management, and delivery metrics. ...

design requirements into accessible, reusable interfaces. Experience with secure coding, sensitive data, Docker, Git, automated testing and CI/CD. Strong debugging and performance‐tuning skills, and clear communication with technical and non‐technical stakeholders. Desirable Skills and Experience Experience with Azure OpenAI, Azure AI Search, Microsoft Graph ...

influence the design of secure, scalable, and resilient infrastructure while cultivating top engineering talent. What You’ll Do: Architect and design scalable, resilient, high‐performance backend systems and platforms in AWS, prioritizing reliability, security, and cost efficiency. Contribute hands‐on to key initiatives—including design reviews, prototyping, coding, performance tuning, and debugging—typically 30% of your time, while mentoring engineers and establishing high standards. Lead cross‐team technical initiatives; drive design forums, establish engineering guardrails, and ensure high‐quality delivery via code reviews and automation. Partner closely with Product, Design, Data Science, and Platform teams to define ...

test, release, and production support. Own architectural decision-making: evaluate options, document decisions (e.g., ADRs), and ensure solutions meet standards for security, scalability, reliability, performance, and maintainability. Own technical direction and governance of complex, integrated solutions to ensure Salesforce fits cohesively into the broader JPM Personal Investing ecosystem, including … controls, and operational readiness. Remain hands-on: build key components, unblock teams through deep technical problem-solving, and lead by example in code quality, performance, observability, and maintainability. Identify, assess, and manage technical and delivery risks; drive issue resolution end-to-end, coordinating across teams to remove blockers ...

test, release, and production support. Own architectural decision-making: evaluate options, document decisions (e.g., ADRs), and ensure solutions meet standards for security, scalability, reliability, performance, and maintainability. Own technical direction and governance of complex, integrated solutions to ensure Salesforce fits cohesively into the broader our Personal Investing ecosystem, including … controls, and operational readiness. Remain hands-on: build key components, unblock teams through deep technical problem-solving, and lead by example in code quality, performance, observability, and maintainability. Identify, assess, and manage technical and delivery risks; drive issue resolution end-to-end, coordinating across teams to remove blockers ...

operational priorities Respond to technical portions of RFPs, RFIs, and security questionnaires in collaboration with internal stakeholders Support customer evaluations by addressing architecture, performance, Oracle-to-PostgreSQL and other migration paths, application compatibility, extension strategy, security, integration, operational support, and long-term maintainability questions Act as a trusted advisor … Advise on PostgreSQL enterprise support, incident and escalation handling, patch and minor-version maintenance, extension and tooling assessment, backup and recovery strategy, high availability, performance engineering, security, and operational readiness for production workloads Collaborate with Product and Product Marketing to communicate field feedback, market needs, and competitive insights Work ...

commercial banking, wealth planning and investment management. We believe in traditional relationship and service-led banking powered by modern technology. Job Purpose Ensure the performance, security, integrity, and availability of enterprise database platforms across Oracle and SQL Server environments, supporting critical business operations and data-driven services. Drive continuous … consistent with achieving good outcomes for consumers and to comply with the FCA and PRA's Conduct Rules. Job Description Key Responsibilities: Optimise database performance and improve query efficiency across platforms Review and where needed modernise database security, access controls, and compliance measures Ensure data integrity through validation, consistency ...

Work with Data Engineering to build reliable data pipelines and connect source systems, Microsoft Fabric and Power BI Maintain standards for data quality, security, performance, documentation and support Train selected technical colleagues to contribute to Power BI work alongside their main roles Track the Microsoft Fabric roadmap and recommend … offices when needed for meetings, delivery and training Qualifications Strong hands-on Power BI experience, including DAX, Power Query, semantic modelling, report design and performance tuning Experience setting Power BI standards and managing how reports are developed and released Experience leading a data, analytics or mixed technical team ...

solid understanding of networking, storage, and automation within enterprise-scale environments. Key Responsibilities Design, implement, and manage VMware-based virtual infrastructure, ensuring high availability, performance, and scalability. Administer VMware vSphere, ESXi hosts, vCenter, and associated tools to maintain a stable and secure environment. Manage and optimize virtual networking, storage … Azure). Collaborate with cross-functional teams to ensure robust infrastructure alignment with business needs. Maintain documentation, adhere to best practices, and participate in performance tuning and capacity planning. Required Skills & Experience Minimum 5 years of continuous UK residency . 5+ years of proven experience in VMware infrastructure ...

forestall future enhancements. Investigate, troubleshoot, and resolve Real Time production issues, working closely with traders, developers, and infrastructure teams. Ensure continuous system stability and performance across all FICC trading platforms, supporting both traders and institutional clients. Serve as the local subject matter expert for EMEA FICC trading infrastructure, owning … reduce manual intervention. Provide technical expertise on connectivity, data flows, and integration points between trading, pricing, and risk systems. Contribute to capacity planning, performance tuning, and resilience testing. Support global follow-the-Sun coverage and participate in on-call rotation as required. Required Skills and Experience: Tech ...

landscape architecture, ensuring high availability, disaster recovery, and business continuity.Execute system refreshes, client copies, transport management, and release management activities.Monitor SAP systems for performance, capacity, and availability, implementing proactive optimization measures.Perform SAP kernel upgrades, database maintenance, patching, and security updates.Administer SAP HANA, Oracle, SQL Server, IBM Db2 databases, across … Linux (RHEL/SUSE), Windows Server, and UNIX environments including backup, recovery, replication, and performance optimization.Manage SAP Solution Manager integration and technical monitoring.Troubleshoot complex SAP BASIS, operating system, database, and infrastructure issues.Coordinate with infrastructure, database, network, security, and application teams during implementation and support activities.Lead technical discussions with business ...

unit/integration) and ensure strong quality gates for services supporting regulated digital asset processing. Support production readiness: observability (logs/metrics), incident triage, performance tuning, and resilience improvements for APIs operating in a regulated, high-availability environment. Collaborate across teams to drive clear API contracts and dependencies … platform backends. About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. ...

Operations Engineers. Set clear goals, priorities, and expectations for the team. Manage workload and resource allocation across the team. Support regular 1:1s, performance reviews, and development plans. Build a collaborative team culture focused on ownership and accountability. Operational Ownership & Reliability Own the reliability, performance, and availability … environments (NVIDIA GPUs, InfiniBand/RDMA, parallel file systems). Scripting skills in Python and/or Bash for automation and tooling. Understanding of performance tuning for HPC/GPU systems. Experience with CI/CD pipelines and modern DevOps tooling. Background designing or improving on‐call rotations ...

evolution of deployment pipelines and system reliability across our monorepos and legacy platform (CircleCI, NX, Docker) Guide AWS cloud strategy - hosting, networking, scalability, performance, and cost-efficiency across production environments Oversee Infrastructure as Code practices (e.g. Terraform) and ensure environments are consistent, auditable, and secure Shape monitoring, observability … help raise the bar for engineering talent across the team. Qualifications What you’ll bring Technical experience Strong AWS infrastructure experience, including cost optimisation, performance tuning, and production troubleshooting Experience in Operations, DevSecOps, SRE, or Cloud Infrastructure roles in fast-growing, regulated environments Proven experience leading or acting ...

data engineering capability. Key responsibilities include: Snowflake architecture and engineering: Own the design, implementation and optimisation of Snowflake environments, including warehouse architecture, schema design, performance tuning, security, access controls and cost optimisation. dbt development and architecture: Establish and develop robust dbt transformation frameworks, including complex SQL models, incremental … strong SQL/Python engineering and experience leading data platform delivery. Essential experience: Extensive, hands-on Snowflake engineering experience, including architecture, data modelling, performance optimisation, warehouse management, security and cost control. Advanced dbt expertise, having designed and developed production transformation frameworks rather than simply worked with existing models. Strong ...

Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

platform, including PI Data Archive, PI Asset Framework (AF), PI Vision and associated components. - Administer, maintain and support the platform, ensuring high availability, performance, security and resilience. - Configure and troubleshoot interfaces, connectors and integrations that collect data from operational and enterprise systems. - Lead platform upgrades, patching, disaster recovery testing … performance tuning and lifecycle management activities. - Provide technical guidance and support to users, project teams and suppliers whilst driving continuous improvement and adoption of platform best practices.You have - Demonstrable experience administering and supporting AVEVA PI (OSIsoft PI) technologies, including PI Data Archive, PI Asset Framework ...

Role Join us as a DevSecOps and help us build the future of data sovereignty! We're seeking an DevSecOps passionate about creating high-performance, secure, scalable, and reliable services for our production infrastructure and security. You'll have a direct impact, improving existing systems and developing innovative solutions … minimize service disruptions. Scale the Acra platform and applications to support large concurrent user bases (25+ users) and sustained daily usage. This will involve performance tuning, capacity planning, and optimization of resource utilization. Collaborate closely with the product engineering team to influence the design and implementation ...