51 to 75 of 124 Performance Optimisation Jobs in London

transform a largely Excel-based reporting environment into scalable, governed Power BI solutions. You’ll work across a wide range of data, from operational performance to organisational metrics ensuring data becomes trusted insight that supports better decision-making. The organisation is also beginning its journey toward Microsoft Fabric, giving … proof-of-concept projects Mentoring colleagues on Power BI, modelling and analytics design Your Experience Strong experience with Power BI including modelling, DAX and performance optimisation Advanced Excel skills, including Power Query and analytical modelling Experience redesigning and improving existing reporting environments Solid understanding of data warehousing ...

technology that underpins a global trading risk platform. This environment sits at the intersection of quantitative research, front office trading, and high-performance engineering, where systems must process enormous volumes of market and trade data while maintaining absolute accuracy of risk calculations across multiple asset classes. The platform ingests … equities, derivatives, FX, or fixed income and an understanding of how risk is calculated across them • Deep knowledge of algorithms, memory management, multithreading and performance optimisation • Experience working with large scale distributed systems and high volume market or trade data • Familiarity with messaging technologies such as Kafka, AMPS ...

looking to work on problems that genuinely test the limits of performance, scale, and engineering craft? We are building a small, elite team of systems engineers to design and evolve the core infrastructure that powers a highly sophisticated trading platform. This is not application level development. This is deep … work on performance critical systems where nanoseconds matter, correctness is non negotiable, and your decisions directly impact real world outcomes. You will be working on the foundations of the trading stack, including market data, execution, simulation, and internal infrastructure. The problems are hard, the standards are high ...

Guidewire data pipelines and ETL workflows leveraging Guidewire DataHub , GDA, and InsuranceSuite data structures. Architect enterprise-grade Guidewire Lakehouse or downstream data solutions , ensuring performance optimisation, data governance, lineage, and security best practices. Translate business requirements into robust Guidewire-aligned data models , collaborating closely with business, data engineering … Strong hands-on expertise with Guidewire DataHub (data model extensions, ETL, mappings, staging patterns). Deep understanding of Guidewire Data Access (GDA) for high-performance data extraction and reporting integration. Experience across the Guidewire InsuranceSuite (PolicyCenter, ClaimCenter, BillingCenter) data model. Strong background in data modelling, ETL design, and performance ...

Proven experience in a Senior BI/BI Manager/Data Analytics leadership role Strong hands-on expertise in Power BI (data modelling, DAX, performance optimisation) Advanced SQL skills Demonstrated experience leading and developing technical teams Strong understanding of GDPR and data governance frameworks Experience with MDM tools ...

Proven experience in a Senior BI/BI Manager/Data Analytics leadership role Strong hands-on expertise in Power BI (data modelling, DAX, performance optimisation) Advanced SQL skills Demonstrated experience leading and developing technical teams Strong understanding of GDPR and data governance frameworks Experience with MDM tools ...

. Proficient in Infrastructure as Code using Terraform to manage and provision cloud infrastructure. Strong understanding of software engineering best practices: code quality, reliability, performance optimization, and observability. ...

dependencies. - Support migration from Teradata to cloud platforms (AWS, Azure, GCP). - Collaborate with architects, data engineers, and stakeholders. - Ensure data quality, validation, and performance optimisation. Required Skills & Experience: - 10+ years of Teradata experience in enterprise environments. - Proven experience migrating Teradata to cloud platforms. - Strong SQL and data warehousing ...

reporting needs with longer-term data platform improvements. Acting as the subject matter expert for Power BI, including data modelling, DAX development and dashboard performance optimisation. Working closely with data engineers to ensure reporting pipelines and datasets are built for scalable, high-quality analytics. Partnering with stakeholders across marketing ...

measurement frameworks across paid channels, including attribution, incrementality testing and customer value modelling. • Build and productionise analytical models in Python or R to support performance optimisation and strategic planning. • Partner with senior marketing stakeholders to guide investment decisions through clear, data‐driven insight. • Collaborate with analytics, data engineering … AdTech teams to ensure accurate tracking, robust data foundations and consistent measurement approaches. • Support BAU reporting and performance monitoring through BI tools, ensuring teams understand key drivers and outcomes. Your Skills and Experience • Strong commercial experience in Marketing Analytics within a digital or mobile‐first environment. • Expertise across paid ...

support delivery across a complex SAP Business One landscape. The engagement sits within an ERP stabilisation programme focused on enhancing system capability, integrations and performance across a multi-entity environment. We are looking for a strong SAP Business One developer with experience across SDK, integrations and system customisation … Support ongoing system improvements and technical stabilisation Work closely with functional consultants to translate requirements into technical solutions Troubleshoot and resolve system issues Support performance optimisation and system reliability Develop reports and data extracts using SQL, HANA and reporting tools Contribute to technical documentation and best practices ...

enabled capabilities across the mobile platform. In this role, you will: Lead the design, development, and maintenance of advanced iOS applications, ensuring high performance, quality, and responsiveness across Expedia Group’s product suite. Architect and implement robust, scalable system and API designs, including effective data modelling to support complex … maintainable iOS mobile architectures, leveraging common design patterns such as MVVM or VIPER Advanced proficiency in SwiftUI - Skilled in multi-threading, concurrency, and performance optimisation Prior experience in the search domain or travel industry, such as building or scaling search, discovery in consumer mobile apps. Experience establishing technical ...

from design through to deployment • Developing APIs, background processing systems, and AI-driven workflows • Working with data-heavy pipelines and retrieval-based systems • Improving performance across queries, APIs, and infrastructure • Operating within a cloud-native environment (GCP) • Debugging production issues and driving resolution • Collaborating closely with product, mobile … They’re Looking For • 5+ years building production backend systems • Strong experience with Python and Django (DRF) • Solid understanding of SQL, system design, and performance optimisation • Experience with background job systems (e.g. Celery) • Exposure to LLMs, AI systems, or agent-based architectures • Experience working in cloud environments (ideally ...

architecture using Amazon Connect Define IVR and call routing logic aligned with Salesforce Produce the target state architecture (BYOT likely) Ensure security, compliance, and performance optimisation Collaborate with DevOps on deployment and automation Guide and upskill internal teams Key Requirements Strong hands-on Amazon Connect experience Experience with ...

architecture using Amazon Connect Define IVR and call routing logic aligned with Salesforce Produce the target state architecture (BYOT likely) Ensure security, compliance, and performance optimisation Collaborate with DevOps on deployment and automation Guide and upskill internal teams Key Requirements Strong hands-on Amazon Connect experience Experience with ...

people genuinely love what they work on Friendly, tight-knit engineering culture Flat structure with clear and achievable progression Exposure to cutting-edge tooling, performance optimisation, and large-scale systems ...

hooks, state management, lifecycle You have experience of implementing secure application architecture, including RBAC and user permissions You have a good understanding of mobile performance optimisation (e.g. FlatList vs ScrollView) You have experience with API integration and authentication flows You're collaborative and pragmatic with great communication skills ...

Data Engineering before moving into Product Ownership Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance Development Framework experience within Microsoft Stack Technologies Experience with implementing and optimising scalable cloud infrastructure is highly valued Backlog management ...

Fabric etc) before moving into Product Ownership Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance Development Framework experience within Microsoft Stack Technologies Experience with implementing and optimising scalable cloud infrastructure is highly valued Backlog management ...

Fabric etc) before moving into Product Ownership Technical proficiency: Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance Development Framework experience within Microsoft Stack Technologies Experience with implementing and optimising scalable cloud infrastructure is highly valued Backlog management ...

working with Azure Databricks, including SQL development, data modelling, and PySpark. * Proven capability in SQL Server, including complex T-SQL logic, stored procedures, and performance optimisation. * Hands-on experience with dbt for modular, testable data model development. * Solid understanding of legacy BI environments, particularly SSRS. * Knowledge of Tableau ...

Actions) Design enterprise security architecture: Role-based access control (RBAC) Business unit hierarchy design Column-level security Azure AD/Entra ID integration Lead performance optimisation for high-volume environments Implement observability using Application Insights and Azure Monitor Field Service Architecture Architect custom scheduling extensions and Resource Scheduling … Optimisation (RSO) configurations Define mobile offline architecture for field technicians ...

Collaboration: Work closely with cross-functional teams, including developers, business analysts, and vendors, to gather requirements and define API specifications. Troubleshooting & Support: Monitor API performance, troubleshoot integration issues promptly, and provide technical support to development teams and clients. Documentation: Create and maintain comprehensive documentation, including API specifications, integration guides … data mappings. Performance Optimization: Optimize existing API connections for performance, reliability, and scalability. Security & Compliance: Ensure API security and compliance with industry standards and regulatory controls (e.g., NIST 800-53 in federal contexts). Required Skills and Qualifications Experience: Proven experience in API development, integration, system architecture ...

Microsoft Fabric, Databricks, or similar technologies Build and optimise data solutions using Python, Spark, PySpark, and/or SQL Support data integration, transformation, and performance optimisation Collaborate with stakeholders to ensure high-quality, reliable data architecture Essential Skills & Experience Hands-on experience with Microsoft Fabric, Databricks, or equivalent ...

with core data engineering tools and technologies (e.g. ETL/ELT pipelines, data warehouses, orchestration tools) Strong understanding of data modelling, data quality, and performance optimisation Desirable Experience Experience with Palantir (Foundry, Gotham) Willingness and aptitude to learn Palantir technologies on the job Background working in defence, government ...