11 of 11 Contract Performance Tuning Jobs in the City of London

days per week on site Job Summary The SQL DBA Engineer is responsible for designing, managing, and optimizing SQL database environments to ensure performance, availability, scalability, and security across business-critical systems. The role combines database architecture, administration, performance tuning, governance, backup and recovery planning, and support … infrastructure teams. Key Responsibilities Design and maintain SQL database architecture aligned to business and application requirements Administer, monitor, and optimize SQL database environments for performance, reliability, and scalability Lead database installation, configuration, patching, upgrades, and migration activities Define and implement backup, recovery, disaster recovery, and high-availability strategies Troubleshoot ...

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 ...

side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

Evaluate AWS-native services and recommend the most effective resilience and recovery solutions. Define and test recovery objectives, failover procedures, and operational readiness. Assess performance, scalability, availability, maintainability, and operational complexity of different SQL Server deployment patterns. Produce architectural designs, technical documentation, implementation plans, and operational runbooks. Collaborate closely …/DR solutions. Extensive experience with: Always On Availability Groups Failover Cluster Instances (FCI) Log Shipping Replication Technologies Deep understanding of SQL Server performance tuning and optimisation, including: Indexing strategies Storage optimisation I/O performance Concurrency management Wait statistics analysis Strong knowledge of networking principles supporting ...

data reconciliation, establish rollback plans, and deliver production runbooks and team support handovers. Required Experience & Skills 8+ years of Oracle DB development and SQL performance tuning. 5+ years in OAS/OBIEE and BI Publisher development. 5+ years in Python development for data extraction, transformation, and reporting automation. 3+ ...

data reconciliation, establish rollback plans, and deliver production runbooks and team support handovers. Required Experience & Skills 8+ years of Oracle DB development and SQL performance tuning. 5+ years in OAS/OBIEE and BI Publisher development. 5+ years in Python development for data extraction, transformation, and reporting automation. 3+ ...

PostgreSQL databases hosted on Amazon RDS. Define and maintain resilient, secure, and scalable database architectures supporting critical services and operational workloads. Oversee database performance tuning, optimisation, capacity planning, and availability management. Design and maintain robust backup, recovery, disaster recovery, and business continuity capabilities. Provide expert-level operational support … role. Proven expertise administering, designing, and optimising PostgreSQL database platforms. Extensive hands-on experience with Amazon RDS , including high availability, backup, recovery, monitoring, and performance management. Experience designing and operating resilient cloud-hosted database solutions supporting critical services. Strong understanding of database security, resilience, disaster recovery, and operational best ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

skills, investigate complex data issues and independently identify and implement technical solutions. You will be working on regulatory reporting projects where data accuracy, system performance and delivery against demanding deadlines are essential. Key Skills & Experience Strong commercial C# development experience. Advanced SQL skills, including complex queries, performance tuning and query optimisation. Proven experience investigating and resolving data-related issues, including data discrepancies and performance problems. Strong analytical and troubleshooting skills, with the ability to identify root causes and implement effective solutions. Experience working with complex, data-intensive applications and systems. Ability to understand business processes, analyse ...

business intelligence initiatives. You will translate complex business requirements into scalable, high-quality data solutions, ensuring data is structured, governed and optimised for performance across the organisation. You will be responsible for developing conceptual, logical and physical data models, defining source-to-target mappings, and supporting the implementation … will ensure data architecture aligns with enterprise standards, governance frameworks and best practices. You will also drive improvements to existing data architecture, optimise data performance, and contribute to the definition of data modelling standards, automation and testing strategies. Success in this role requires strong technical expertise, excellent stakeholder management ...

will write clean, maintainable and testable code in line with established development standards, troubleshoot complex issues, investigate application behaviour and identify opportunities to improve performance and reliability. You will also contribute to technical documentation, user guides, training materials and stakeholder demonstrations, ensuring solutions are clearly understood and successfully adopted. … Developer, with a thorough understanding of both fixed-format and free-format RPG, alongside strong SQL skills, including writing, embedding and optimising queries for performance and maintainability. Experience with modern RPG development techniques, including modules, service programs and activation groups, as well as application design and established software engineering ...