23 of 23 Performance Optimisation Jobs in the City of London

support, configuration management, and lifecycle maintenance across the network estate for financial services clients. The role focuses on complex incident resolution, change execution, and performance optimisation for SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing environments, ensuring all activities meet stringent regulatory, security, and compliance … audit trails Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Financial Services ...

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 ...

direction of the systems they build. You will work on a combination of greenfield development and the continuous improvement of established platforms, building high-performance, reliable and scalable applications that directly support real-world trading strategies and quantitative research. As a senior member of the engineering team, you will … have the opportunity to influence technical architecture, development standards, performance optimisation and engineering best practices, while working closely with researchers, traders and other technical specialists. Key Responsibilities Design, develop and maintain high-performance applications using C# and modern .NET Take ownership of significant software development projects from ...

data integration workflows. Operational Excellence: Contribute to defining reusable development patterns, enforcing coding standards, and implementing MLOps best practices that support version control, performance optimisation, and maintainability. Cross-Disciplinary Collaboration: Work side-by-side with data scientists, product managers, platform engineers, and QA teams to align on technical ...

OAuth Authentication Middleware Integration Patterns DevOps & Tools Salesforce DX Git Azure DevOps Copado Jenkins (desirable) VS Code Data Loader Technical Leadership Solution Design Application Performance Optimization Code Review & Quality Assurance Mentoring Development Teams Agile/Scrum Delivery Knowledge of Government Digital Services (GDS) HMRC Governance Processes Data Protection & GDPR ...

audiences (pre-sales experience is essential). Translate business requirements into target-state data models, ingestion patterns, and semantic layers. Guide engineers on implementation, performance optimisation, cost control, CI/CD, and operational readiness. Ensure compliance with data governance, privacy, and security controls (RBAC, encryption, auditing, lineage). ...

Core Technical Skills: .NET/C# JavaScript/TypeScript React or Next.js RESTful APIs GraphQL CI/CD pipelines (Azure DevOps or GitHub Actions) Performance optimisation WCAG 2.1 accessibility standards SEO best practices Agile/Scrum delivery experience. Desirable: Sitecore MVP. Active participation in the Sitecore community. Professional ...

that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# .NET SQL Server ecosystem, developing high-performance, reliable, and maintainable applications. … Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability, and automation across systems Mentor junior ...

into technical solutions. Develop and maintain Looker models, explores, and dashboards. Implement data quality controls, testing frameworks, and monitoring processes. Optimise data pipelines, warehouse performance, and reporting layers. Collaborate with engineering teams to ensure source data supports downstream requirements. Manage delivery blockers and communicate progress to stakeholders. Support adoption … data and automation technologies. Essential Skills & Experience 6+ years' experience in Analytics Engineering, Data Engineering, BI Engineering, or similar. Advanced SQL skills with strong optimisation and troubleshooting experience. Strong understanding of data warehousing and data modelling principles. Experience designing and maintaining end-to-end data pipelines. Hands-on experience ...

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 ...

leadership, escalation support, and operational oversight for core enterprise infrastructure, including VMware, Windows Server, Active Directory, DNS, and DHCP Drive infrastructure design, capacity planning, performance optimisation, root cause analysis, and continuous service improvement Participate in an on-call rota and collaborate across teams to maintain service availability ...

Windows 365 and Azure Virtual Desktop (AVD) platforms Strong knowledge of application packaging, deployment, and lifecycle management technologies Experience in client application troubleshooting and performance optimisation Good understanding of authentication and identity management technologies, including Active Directory and Microsoft Entra ID Effective collaborator with strong communication and stakeholder ...

proficiency (command-line tools, shell scripting) Preferred Qualifications Experience with high-throughput, low-latency systems at scale Advanced coding skills including concurrency, profiling, and performance optimisation Experience with CI/CD pipelines and deployment automation Experience with security at the network edge (DDoS protection, authentication protocols, TLS termination ...

will act as the technical authority for Tableau and take ownership of BI standards across the organisation. You will focus on improving the scalability, performance, and governance of the existing BI environment while supporting a major cloud migration programme. Key responsibilities include: Leading end-to-end Tableau development across … Desktop, Prep, and Cloud Defining and enforcing best practice for dashboard design, data modelling, and performance optimisation Owning BI governance frameworks, including data quality and reporting standards Supporting and enabling business users to develop self-service analytics capability Writing and optimising complex SQL across cloud and on-premise ...

dashboard-building role. You’ll be working on the underlying systems that make complex visualisations fast, accurate, and scalable. The challenges range from rendering performance and interaction design through to algorithms, graphics, API design, and numerical correctness. What you’ll be doing Designing and building core charting features used … developers around the world Working across rendering, interaction, animation, and visualisation infrastructure Solving performance-critical problems involving Canvas, SVG, and large datasets Improving correctness, precision, and usability across a sophisticated charting platform Designing APIs that are elegant, flexible, and easy for developers to adopt Taking features from initial concept ...

help shape the future roadmap for a key enterprise platform. We're looking for experience with: PowerBuilder and PowerServer (Appeon) Application assessment, troubleshooting and performance optimisation Legacy application modernisation SQL Server and/or Oracle databases Client-server and web-based applications Producing technical recommendations and documentation Experience ...

with the implementation of a new screening solution Providing practical troubleshooting support with the system e.g., use case reviews, testing coordination, data quality, performance optimisation, keyword effectiveness Investigating screening issues identified by the Compliance team and coordinating with IT and third-party resources to resolve with alternative solutions ...

built in. What you'll be doing: Acting as engineering lead for BMS/OT platform health across a multi-site portfolio Fault diagnosis, performance optimisation and lifecycle work (upgrades, controller refresh, server/workstation replacement) Commissioning, tuning and validating control strategies and alarms Owning OT/ ...

Workplace and automation solutions. Work closely with infrastructure, cloud, application and business teams to deliver scalable enterprise service management platforms. Drive automation and workflow optimisation to improve service delivery and operational efficiency. Define solution architecture, technical standards, governance and best practices. Support continual improvements across Incident, Problem, Change, Asset … Configuration Management processes in line with ITIL. Provide technical leadership for platform upgrades, migrations and integration projects. Monitor platform performance, troubleshoot complex technical issues and ensure platform stability. Produce architecture documentation, technical designs and operational procedures. Engage with stakeholders throughout the delivery lifecycle to support strategic transformation initiatives. Implement ...

services (Blob Storage, Data Lake, Synapse Analytics, Databricks). Integrate serverless components such as Azure Functions for automation and orchestration. Ensure system monitoring and performance optimization using Azure Monitor and Grafana. Collaborate with cross-functional teams to define data architecture standards and best practices. Requirements: Proven experience in data … data solutions. Proficiency in Azure ecosystem: Blob Storage, Data Lake, Synapse Analytics, Databricks, Functions, and Monitor. Strong understanding of data modeling, migration strategies, and performance tuning. Familiarity with monitoring tools such as Grafana for system health and analytics. Excellent problem-solving skills and ability to lead technical teams ...

Collaborate with business and change teams to define target operating models and develop business cases for technology initiatives. Support requirements gathering and business process optimisation, maximising the use of core platforms while minimising unnecessary custom development. Champion architecture governance, design patterns and technology standards. Promote Agile delivery and DevSecOps … practices throughout the software development lifecycle. Work closely with technical leads and development teams to review designs, provide architectural guidance, support code quality and performance optimisation. Identify technical risks and define appropriate mitigation strategies. Evaluate emerging technologies and industry trends to recommend innovative, cost-effective solutions. Produce high-quality ...

depth in at least one area relevant to modelling structured, high-dimensional data. Excellence in Python and familiarity with scalable ML tooling and high-performance computing. Strong engineering practice: confidence implementing models from scratch, comfortable with distributed training, profiling, and performance optimisation. Demonstrable experience training models at scale ...

days per week We are looking for a Senior Solution Engineer GPU & AI Infrastructure to support the design of cutting-edge AI and high-performance computing infrastructure. This is a senior Solution Architecture/Technical Pre-Sales role focused on NVIDIA GPU infrastructure, AI workloads, HPC environments and high … GB200 platforms. Design both bare-metal and Kubernetes-based GPU environments. Work with Slurm, Kubernetes, NVIDIA GPU Operator, NCCL and GPUDirect. Design high-performance storage solutions for AI workloads. Lead technical discussions with CTOs, AI leaders and infrastructure teams. Support RFPs, RFIs, technical proposals and customer presentations. Lead technical ...