51 to 75 of 267 Performance Tuning Jobs in London

leading or mentoring teams of engineers to deliver high-quality scalable data solutions. Technical Expertise: Deep expertise with Snowflake features (warehouses, Snowpark, data sharing, performance tuning).Proficiency in ETL/ELT tools such as DBT, Matillion, Talend, or equivalent.Strong SQL and Python (or equivalent language) skills for data ...

ambiguity, navigating uncertainty, and influencing peers through to senior leadership. Core Technical Skills Java (8+) and JEE advanced proficiency including concurrency, design patterns, and performance tuning RESTful API design and development Microservices architecture and design PostgreSQL query optimisation, indexing, schema design, and stored procedures Relational data modelling ...

ambiguity, navigating uncertainty, and influencing peers through to senior leadership. Core Technical Skills Java (8+) and JEE advanced proficiency including concurrency, design patterns, and performance tuning RESTful API design and development Microservices architecture and design PostgreSQL query optimisation, indexing, schema design, and stored procedures Relational data modelling ...

Database Administrator to support and enhance enterprise database platforms and Oracle APEX application environments. This role will be responsible for the design, administration, performance optimization, and lifecycle management of Oracle databases and APEX/ORDS platforms supporting critical business applications.The successful candidate will work closely with DBA, middleware … application teams to ensure high availability, performance, and security of systems across development, QA, and production environments.Key ResponsibilitiesOracle Database AdministrationManage and maintain Oracle databases (19c and newer) across multiple environmentsPerform database installations, upgrades, patching, and migrationsImplement backup/recovery strategies and disaster recovery solutionsMonitor database performance and tune ...

hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

including monitoring standards, alert management, incident response, and operational readiness. Perform troubleshooting and root cause analysis of platform and application issues. Support capacity planning, performance tuning, and platform optimisation initiatives. Contribute to documentation, operational procedures, and knowledge sharing within the engineering team. About You OpenSearch (Critical Requirement) Extensive … hands-on experience deploying and managing OpenSearch in production environments. Deep understanding of OpenSearch architecture, cluster design, indexing strategies, shard management, and performance tuning. Experience implementing log aggregation, search, analytics, and observability use cases using OpenSearch. Knowledge of OpenSearch security, access controls, backups, upgrades, and operational best practices. Monitoring ...

reusable modules, CI/CD pipelines and policy‐as‐code guardrails. Leverage AI agents extensively to automate and optimise platform work—provisioning, cost and performance optimisation, incident response, remediation and documentation. Prepare the infrastructure for AI agents as first‐class “engineers”: safe machine identities, scoped permissions, sandboxes, approval workflows … Partner with data engineering to design and optimise data pipelines, data stores and large‐scale analytics infrastructure such as BigQuery, including query, cost and performance tuning. Mentor engineers, set technical direction and champion strong platform and security engineering standards across the organisation. What you’ll need to succeed Essential ...

access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

technology programme. This is a senior technical role focused on leading backend application development initiatives and driving architectural decisions for robust, scalable and high-performance server-side systems. You will provide hands-on leadership in building enterprise-grade Java solutions, guiding development teams and influencing technical strategy and engineering … Unix/Linux and shell scripting. Proven ability to lead technical initiatives, mentor developers and contribute to architectural decisions. Strong understanding of backend security, performance tuning and monitoring. Excellent stakeholder management and communication skills. The successful candidate will be comfortable leading the design and delivery of enterprise-scale ...

Project description We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration with business stakeholders—particularly within Risk functions … best practices across the team. Responsibilities Design, develop, and maintain kdb+ tick systems, with a strong understanding of data organisation, schema design, and the performance implications of different architectural approaches. Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

architecture reviews, technology evaluations, and platform transformation initiatives.Establish governance, security, resilience, scalability, and cost-optimization frameworks.Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy.Define enterprise data platform standards and operational best practices.Guide warehouse sizing, workload management, performance tuning, and cost optimization.Design ...

technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost‐optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi‐environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...

collaboration, and a passion for cutting-edge technologies. Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close … days in the office) Key Responsibilities Design, develop, and maintain kdb+ tick systems, with a strong understanding of data organisation, schema design, and the performance implications of different architectural approaches. Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

development best practices. Essential Skills Strong commercial experience with Oracle PL/SQL . Proven IBM DataStage ETL development experience. Strong SQL development and performance tuning skills. Experience delivering enterprise data integration solutions. Knowledge of data warehousing and ETL best practices. Experience working in Agile environments. Excellent analytical ...

development best practices. Essential Skills Strong commercial experience with Oracle PL/SQL . Proven IBM DataStage ETL development experience. Strong SQL development and performance tuning skills. Experience delivering enterprise data integration solutions. Knowledge of data warehousing and ETL best practices. Experience working in Agile environments. Excellent analytical ...

across on‐premises and AWS environments Supporting large-scale deployments of PostgreSQL, Microsoft SQL Server, MySQL and CockroachDB, ensuring high availability, disaster recovery and performance Contributing to the design and implementation of automation for database provisioning, upgrades, replication and monitoring using Python, Ansible and Terraform Driving improvements in performance tuning, query optimisation, indexing strategies and storage design Collaborating with application and research teams to design and deliver database solutions that meet demanding scalability and latency requirements Participating in the out-of-hours rota to provide support for critical systems Staying up to date with industry trends ...

managed service partner, you will design, implement, and continuously improve resilient, scalable, and secure systems. You will leverage expertise in cloud infrastructure, automation, monitoring, performance optimisation, and incident management to deliver high system uptime and support evolving business needs. About the Team The role sits within the Digital … shaping and delivering the the company’s Site Reliability/DevOps strategy by implementing best practices that improve the availability, resilience, security, and performance of our digital platforms. You will use your expertise in cloud infrastructure, automation, monitoring, FinOps and performance optimisation to identify opportunities for improvement, resolve ...

maintain, and enhance CI/CD pipelines enabling automated testing, seamless deployments, and continuous integration. Diagnose and resolve complex system‐level issues related to performance, scalability, networking, and automation. Collaborate with cross‐functional teams to deliver cloud‐native solutions aligned with engineering best practices and business goals. Required Skills … Kubernetes services such as CoreDNS , cert‐manager , Dynatrace , Cloudability , and Infoblox . Familiarity with OPA Gatekeeper for policy enforcement and tenant isolation. Security, Observability & Performance Strong security mindset with a proven track record of designing secure, resilient cloud‐native systems. Experience implementing observability stacks including Prometheus , Dynatrace , and OpenTelemetry ...

Project description We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholders—particularly within Risk functions … deliver robust, efficient and maintainable solutions. Responsibilities Design, develop and maintain kdb+ tick systems with strong understanding of data organization, schema design and the performance implications of different architectural approaches. Build and operate solutions handling large‐scale, high‐frequency datasets, ensuring low latency, high throughput and efficient memory usage. ...

driving innovation with a focus on improving observability and reducing toil.Job DescriptionCore Responsibilities:Analyzes and forecasts system capacity requirements to ensure scalability and performance for high-profile events.Participate in incident response efforts, conduct post-incident reviews, and implement corrective actions and improvements to monitoring.Develop and maintain monitors and alerts … across all services.Optimize system performance through tuning and configuration adjustments.Develop and maintain disaster recovery plans and procedures to ensure business continuity.Create and maintain comprehensive documentation for systems, processes, and procedures.Monitor and optimize cloud infrastructure to ensure efficient resource utilization.Identify opportunities for automation and implement solutions to reduce manual ...

optimising mission‐critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global … DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences Essential Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing ...

recovery and performanceContributing to the design and implementation of automation for database provisioning, upgrades, replication and monitoring using Python, Ansible and TerraformDriving improvements in performance tuning, query optimisation, indexing strategies and storage designCollaborating with application and research teams to design and deliver database solutions that meet demanding scalability ...

Investment Bank. This is a senior technical role responsible for leading backend application development initiatives and driving architectural decisions for robust, scalable, and high-performance server-side systems. This role provides hands‐on leadership in building enterprise-grade Java backend solutions, guiding development teams, and influencing technical strategy … support. Drive architectural decisions for backend systems, ensuring scalability, reliability, security, and alignment with enterprise standards. Resolve high-impact technical challenges related to backend performance, data integrity, and distributed system interactions. Mentor junior and mid-level backend developers, providing technical guidance and fostering a culture of excellence. Partner with ...

software development background who are passionate about building scalable, resilient infrastructure systems. You will architect, develop, and optimize compute platforms that support our high-performance, data-intensive workloads. You'll work closely with global engineering teams to design and implement infrastructure-as-code, observability pipelines, and self-healing systems. … This is a hands-on engineering role with a strong emphasis on automation, performance tuning, and developer enablement.Main Duties & Responsibilities:Architect and evolve scalable compute platforms using modern infrastructure engineering practices.Design and implement automation frameworks for provisioning, configuration management, and lifecycle operations.Develop internal tooling and APIs to abstract ...

messaging solutions within a complex financial services environment. This is an excellent opportunity to work on business-critical systems, designing, developing and maintaining high-performance integration services that support large-scale transaction processing. You'll be involved throughout the full software development lifecycle, working closely with analysts, developers … application integration and production deployments. Participate in code reviews, design reviews and technical discussions. Perform proof-of-concepts to validate solution designs and meet performance and throughput requirements. Troubleshoot production issues and provide ongoing application support. Work collaboratively within Agile delivery teams to deliver solutions on time ...