1 to 25 of 326 Performance Tuning Jobs in London

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 evaluate … 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 ...

ownership of a diverse database estate supporting critical trading and operational systems within a leading financial exchange technology environment. Youll be responsible for database performance, availability, security, upgrades, backups, recovery and migrations , while working closely with developers and infrastructure teams. Key Responsibilities Own and manage the database environment. Ensure … high availability, performance, reliability and security. Performance tuning, monitoring and troubleshooting. Manage upgrades, patching, backups and recovery. Support schema design, SQL optimisation and integrations. Manage database access, permissions and compliance. Act as the escalation point for database issues. Build and optimise SQL queries for Grafana and reporting. ...

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 evaluate … keep up with the dynamic and growing business needs of DRW. Responsibilities: Proactively manage and optimize various database platforms and related OS environmentsPerform database performance and query tuningImplement and maintain production and non-production databasesPerform database backups, restores, log shipping, mirroring and replication, etc. Work with system engineering team ...

components that sit directly in the cash equities trading hot path, ensuring pre-trade and real-time risk controls are enforced with microsecond-level performance while maintaining correctness and resiliency at scale. This is a hands-on, deeply technical role that also carries leadership responsibilities — mentoring engineers, driving architecture … Engine responsible for real-time pre-trade risk checks, position limits, and exposure controls across cash equities electronic execution flows. Architect and optimize high-performance, lock-minimal, multi-threaded components capable of processing risk decisions in the sub-microsecond to low-microsecond range. Integrate risk and position components with ...

people by providing them with the right tools to achieve the autonomy they need - it's what makes us uniqueJob DescriptionKey Tasks and Responsibilities Performance tuning of Unit4 Financials by Coda Pre and Post Go Live. Troubleshoot performance issues across new implementations (Project) and existing implementations … Unit4 Financials by Coda, this includes Technical and Application aspects. Develop enhanced, proactive monitoring, detection and remediation of performance issues. Develop proactive, continuous performance tuning and processes to maintain optimal performance levels. Comply with the Company's information security requirements and all Company business procedures ...

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 … Required Qualifications Typically 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 ...

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 ...

//risk.lexisnexis.com/insurance About our Team The Database Administration team provides enterprise-wide support for mission-critical database platforms, ensuring high availability, performance, security, and operational stability. The team manages MySQL, SQL Server, PostgreSQL, Oracle, and cloud database technologies across hybrid environments while driving automation, observability, disaster … members to provide technical designs and guidance to the Database Operations team. Take responsibility for the implications and impact of technical design decisions. Resolve performance issues and support root cause resolution. Perform thorough impact analysis for assigned database infrastructure activities and understand their effect on business operations. Respond ...

implement, and maintain Sybase ASE & Sybase IQ database instances, including installation, configuration, upgrades, and patching across Linux/Unix platforms. Perform Sybase & IQ database performance tuning, query optimization, index management, and capacity planning to ensure optimal throughput and minimal downtime. Perform routine Sybase database maintenance activities like housekeeping … restore strategies using dump/load, replication, or backup server. Maintain large-scale IQ databases with terabyte-level storage and ensure optimal bulk loading performance using BCP, IQ load utilities, or ETL tools. Configure and support high-availability solutions such as Sybase Replication Server, Warm Standby, MSA, Failover Clustering ...

implement, and maintain Sybase ASE & Sybase IQ database instances, including installation, configuration, upgrades, and patching across Linux/Unix platforms. Perform Sybase & IQ database performance tuning, query optimization, index management, and capacity planning to ensure optimal throughput and minimal downtime. Perform routine Sybase database maintenance activities like housekeeping … restore strategies using dump/load, replication, or backup server. Maintain large-scale IQ databases with terabyte-level storage and ensure optimal bulk loading performance using BCP, IQ load utilities, or ETL tools. Configure and support high-availability solutions such as Sybase Replication Server, Warm Standby, MSA, Failover Clustering ...

position . Youll work across Oracle, PostgreSQL and NoSQL platforms , helping build, automate and optimise highly available enterprise database environments. If you enjoy automation, performance tuning, modern DevOps and solving complex database challenges , this role offers the opportunity to work at significant enterprise scale. Key Responsibilities: Engineer … Cassandra, MongoDB and/or Couchbase . Automate database provisioning, configuration and deployments. Implement Infrastructure as Code and CI/CD practices. Optimise database performance, queries and indexing. Support high availability, replication and resilience. Troubleshoot complex production issues and perform root-cause analysis. Partner with developers, architects and infrastructure ...

Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

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 … 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 ...

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 ...

hire an experienced Oracle Database Engineer for their database and platform engineering team. This is a hands-on position covering Oracle administration, automation and performance engineering across large-scale Exadata and cloud environments, including Autonomous Exadata Cloud@Customer. The Oracle Database Engineer role suits an Oracle professional who wants … move beyond routine administration into platform engineering: building automation that removes manual overhead, tuning at scale, and owning multi-tenant database architecture across mission-critical systems. About the role - Oracle Database Engineer (Oracle DBA): Build automation tooling and platform solutions using Ansible and scripting to reduce manual work across ...

passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … technology landscape. This is an opportunity to become a technical authority for database infrastructure, helping shape the future of the database platform whilst improving performance, resilience, scalability and operational efficiency. A selection of your key responsibilities will include administering and optimising large-scale PostgreSQL environments, managing connection pooling ...

using Azure Data Factory and Databricks,replacing legacy SSIS pipelines. Identifying opportunities toharden and automate manual steps within the Finance Close workflow ConductT-SQL performance tuning across on-prem and cloud environments.ConductT-SQL performance tuning across on-prem and cloud environments. Collaboratewith IT and business stakeholders ...

based in the UK or US and offers the opportunity to build scalable, real‐time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … with DevOps, Product, and QA teams to ensure production‐grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

hire an experienced Oracle Database Engineer for their database and platform engineering team. This is a hands-on position covering Oracle administration, automation and performance engineering across large-scale Exadata and cloud environments, including Autonomous Exadata Cloud@Customer. The Oracle Database Engineer role suits an Oracle professional who wants … move beyond routine administration into platform engineering: building automation that removes manual overhead, tuning at scale, and owning multi-tenant database architecture across mission-critical systems. About the role - Oracle Database Engineer (Oracle DBA):Build automation tooling and platform solutions using Ansible and scripting to reduce manual work across ...

role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies. If you're passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … with DevOps, Product, and QA teams to ensure production-grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

production-grade Lakehouse implementations using technologies such as Unity Catalog, Delta Live Tables, MLflow and Lakeflow. Own the hardest technical problems on an engagement - performance tuning, complex migrations, scale and reliability. Set engineering standards for code quality, testing, observability and reusability across delivery teams. Build reusable frameworks, accelerators … experience delivering enterprise data platforms or analytics solutions. Strong commercial experience building and delivering Databricks solutions in production. Deep expertise in Apache Spark, including performance tuning and optimisation at scale. Expert-level Python and SQL, with a track record of writing production-quality, well-tested code. Strong understanding ...

high-profile public sector project. This role is fully remote and falls inside IR35 . The Role: You will be responsible for managing, tuning, and scaling mission-critical database infrastructure hosted in secure cloud environments. Working closely with engineering and DevOps teams, you will ensure optimal performance, high … availability, and strict adherence to government security standards. Core Responsibilities: Design, configure, and manage PostgreSQL, Amazon Aurora, and Amazon RDS instances. Drive database performance tuning, slow query troubleshooting, and proactive monitoring. Execute schema updates, migrations, and engine upgrades safely within cloud ecosystems. Support disaster recovery, backup protocols ...

high-profile public sector project. This role is fully remote and falls inside IR35 . The Role: You will be responsible for managing, tuning, and scaling mission-critical database infrastructure hosted in secure cloud environments. Working closely with engineering and DevOps teams, you will ensure optimal performance, high … availability, and strict adherence to government security standards. Core Responsibilities: Design, configure, and manage PostgreSQL, Amazon Aurora, and Amazon RDS instances. Drive database performance tuning, slow query troubleshooting, and proactive monitoring. Execute schema updates, migrations, and engine upgrades safely within cloud ecosystems. Support disaster recovery, backup protocols ...

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 ...