1 to 25 of 30 Performance Tuning Jobs in Central London

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. ...

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 ...

ability to lead multiple projects simultaneously, delivering to deadlines Expert-level experience with MSSQL, Oracle and Sybase database environments, including complex query-writing and performance tuning A natural leader who relishes the prospect of supporting an expanding business and driving continuous improvement in support functions Motivated self-starter … scope for growth. And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people. Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond ...

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 ...

week in office We are assisting with the hire of an experienced low-latency engineer to join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading environment. This is not a traditional BAU development role attached to one desk or application. … team works across multiple trading platforms, solving complex performance problems and helping define how latency-sensitive systems should be engineered. Approximately 90% of the role is hands-on coding , with a major focus on Rust alongside modern Java. What youll work on Low-latency Rust and Java frameworks Event ...

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 … Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences 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 ...

Location: London (Hybrid – 3 days in office) Type: Full-time Are you ready to step into a high-performance environment at the heart of global markets? We're looking for a motivated and technically skilled eTrading Production Support Engineer to join our fast-paced Application Support team based … Tokyo, and Singapore. What You'll Do: Oversee the day-to-day production support for critical FX applications Monitor system health, perform capacity and performance management, and resolve incidents efficiently Lead change management activities, including planning, scheduling, and implementing upgrades Collaborate with developers, business analysts, and infrastructure teams ...

call burden. Apply AI and machine learning tools to improve developer productivity, automate operational tasks, and enhance system capabilities. Evaluate and introducenew technologiesthat improve performance, reliability, or engineering velocity. WHAT YOU NEED TO KNOW (or TECHNICAL SKILLS) Proven ability to reasonaboutdistributed systemstradeoffs- scalability, consistency, availability, latency and make defensible … traffic systems at scale - this is a coding role first. Expertisein Java (17+); and the JVM, withstrongcommand of JVM internals, garbage collection behavior, and performance tuning under load. Kotlin is a plus. Hands-on experience with a reactive, non-blocking framework (Vert.x, SpringWebFlux, or equivalent) and asynchronous, event ...

analytics and reporting. Collaborate with cross‐functional teams to understand data requirements and deliver robust solutions. Monitor, troubleshoot, and enhance data workflows for performance and reliability. Maintain technical documentation and contribute to data engineering best practices. Required Skills & Qualifications: Strong experience withDatabricks- DLT, Delta Lake concepts, UC governance. Solid …/ELT processes, and data architecture. Experience in MS Copilot, AI Foundry , Databricks (MosiacAI, MLflow, Agentbricks, Genie) Strong analytical background with problem‐solving skills. Performance tuning concepts like watermarking, late data handling, parallelism & checkpointing. Hands‐on expertise inADF, and Qlik Replicatefor data ingestion and replication. Experience working inAzure ...

business applications. This role involves building scalable, cloud-based solutions, integrating with third-party platforms and ensuring operational reliability while meeting strict compliance and performance standards, in a highly regulated financial environment. Responsibilities Analyze business requirements and translate them into technical solutions Design, implement, and maintain modern, cloud-enabled … environment Nice to Have Skills: Good scripting experience with Powershell/Bash Knowledge of market gateways and clearing connectivity (exchange-facing flows) Understanding of performance tuning and application resilience for high-volume middle office systems Familiarity with container orchestration and microservices-based architectures #J-18808-Ljbffr ...

Experience modernising or migrating legacy/on-premise data platforms into Fabric or a comparable modern data architecture Strong hands-on SQL expertise, including performance tuning and optimisation Experience designing and developing Fabric pipelines, transformations and analytical data models Strong understanding of data cleansing, data quality, governance ...

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 ...

technology operates at serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/… kernel-bypass technologies Event-driven or event-sourcing microservices Performance analysis and targeted optimisation Experience with KDB, Rust or C++ would be highly advantageous. London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential This is an excellent opportunity for someone who remains ...

engines (e.g., Starburst or similar) Own API contracts with living documentation in CI/CD Build production-grade, testable pipelines Drive observability, reliability, and performance Contribute to architecture decisions (modularity, DI, extensibility) What You Bring (Must-Have) Strong hands-on experience in Java (17/21) + Spring Deep … parsing/validation, query planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker ...

Defining and owning the SharePoint architecture roadmap across SharePoint SE and SharePoint Online Designing scalable, secure, and high-performing SharePoint solutions Optimising platform cost, performance, and usability Designing and developing solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs Designing and maintaining enterprise on-premises … Graph Solid experience with C# and .NET Framework for backend and integration development Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting Strong experience with SQL Server design, development, and optimization. Knowledge of DevOps practices (CI/CD, release management, monitoring ...

reused across multiple brands and platforms. Drive engineering excellence for the services you own by championing code quality, automated testing, observability, performance optimization, and simplification, taking technical responsibility for service health, scalability, resilience, and the ongoing reduction of technical debt and operational overhead. Provide technical mentorship and guidance … experience. 8+ years of relevant professional software development experience with a strong focus on backend development, using Java or Kotlin, building and operating high-performance, high-throughput, highly available, and scalable services on cloud platforms. Proven experience owning one or more production services or components throughout their lifecycle, including ...

within their sector and a growing commitment to data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and investment in modern analytics platforms, they are building a scalable, governed, and future-focused data … frameworks, and reporting standards Acting as the escalation point for complex BI and reporting challenges Partnering with data engineering teams on architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and helping modernise the wider analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau, including ...

/4HANA, ECC, BTP, HANA, Basis and Fiori/UI5 . Design scalable SAP landscapes across DEV, QAS, PRD and Disaster Recovery , covering sizing, performance, availability and resilience. Provide technical leadership across ABAP, Fiori/UI5, OData, CDS Views, SAP Basis and development teams . Lead technical impact assessments … architecture reviews and performance optimisation across complex SAP environments. Integration & BTP Architecture Define end-to-end integration architecture across SAP and non-SAP platforms using SAP BTP Integration Suite (CPI), SAP PI/PO, REST/SOAP APIs, OData, IDocs and RFCs . Establish scalable API-led and event ...

report troubleshooting. Support and maintain data warehouse environments such as Azure Synapse Analytics, SQL Server/Azure SQL DB, Snowflake or BigQuery. Monitor ETL performance and investigate slow-running queries and data load failures. Issue Investigation & RCA Investigate job failures and performance issues across data pipelines, ML endpoints … Warehousing – SQL skills for debugging, data validation, and optimization; experience with Azure SQL DB or SQL Server; familiarity with data modeling concepts and warehouse performance tuning. Support & Incident Management – Strong troubleshooting and analytical skills for root cause analysis; exposure to ITSM tools such as ServiceNow and Jira. Preferred Qualifications ...

consumers of the graph Writes and optimises Cypher queries for data loading, transformation, and application-facing retrieval Implements graph data models that balance query performance with semantic accuracy Builds and maintains APIs/integration layers exposing graph data to downstream consumers (including the chatbot) Collaborates with the Knowledge Graph … Architect to implement ontology, knowledge and schema changes as code Supports performance tuning, indexing, and scaling of the Neo4j instance Automates data refresh and synchronisation processes between source systems and the graph Troubleshoots data integrity and pipeline issues in collaboration with the Quality Engineer Documents graph schema ...

consumers of the graph Writes and optimises Cypher queries for data loading, transformation, and application-facing retrieval Implements graph data models that balance query performance with semantic accuracy Builds and maintains APIs/integration layers exposing graph data to downstream consumers (including the chatbot) Collaborates with the Knowledge Graph … Architect to implement ontology, knowledge and schema changes as code Supports performance tuning, indexing, and scaling of the Neo4j instance Automates data refresh and synchronisation processes between source systems and the graph Troubleshoots data integrity and pipeline issues in collaboration with the Quality Engineer Documents graph schema ...

/4HANA, SAP ECC, SAP BTP, SAP PI/PO, SAP Fiori/UI5, and integrated enterprise systems. This role ensures high‐performance, scalable, secure, and future‐ready SAP solutions that align with business strategy and IT roadmaps. The architect collaborates closely with business leaders, solution architects, Basis, development … Deep understanding of SAP system landscape design, including DEV/QAS/PRD/DR environments. In‐depth knowledge of SAP Basis, system sizing, performance tuning, high‐availability (HA) and disaster recovery (DR) configurations. Strong experience with SAP HANA database architecture, optimization, backup/restore strategies, and security. ...

platforms and custom solutions. * Perform regular system updates, cumulative updates, patches, and service packs to maintain platform stability, security, and compliance. * Monitor environments for performance, availability, capacity, and reliability; manage storage quotas and site lifecycle. Required Skills: * Extensive hands-on experience administering and developing solutions for SharePoint Subscription Edition … Graph. * Solid experience with C# and .NET Framework for backend and integration development. * Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. * Strong experience with SQL Server design, development, and optimization. Senior SharePoint Developer In accordance with the Employment Agencies and Employment ...

with cross-functional teams to deliver robust data solutions. Key responsibilities include ingestion from SAP sources via Qlik Replicate and ADF, data modelling, and performance tuning for reliable insights across the organization. #J-18808-Ljbffr ...

authentication services, and security frameworks. Configuration & Administration Configure Alation platform settings, user roles, permissions, workflows, stewardship, and governance features. Perform platform administration, monitoring, troubleshooting, performance tuning, and regular maintenance activities. Data Source Onboarding & Metadata Hydration Connect and onboard databases, data warehouses, BI tools, data lakes, and other enterprise ...