101 to 125 of 182 Performance Optimisation Jobs in the UK

Role The Network Engineer – L3 (UCC) provides advanced operational support, configuration management, and performance optimisation across unified communications platforms for financial services clients. This is a hands-on, client-facing role focused on resolving complex incidents, executing controlled changes, and maintaining high-performing, secure UCC environments. You will … changes in line with governance and compliance requirements Maintain and validate configuration baselines across Teams Voice, Direct Routing, and endpoints Monitor and optimise service performance using CQD, analytics, and incident trends Administer UCC platforms including Teams, Exchange Online integration, and collaboration tools Collaborate with Network, EUC, vendors, and service ...

role across the delivery lifecycle, including: Configuring and developing solutions based on agreed designs and requirements Working with data to query, manipulate and optimise performance Supporting build activities alongside more senior developers or build leads Carrying out unit testing and end-to-end testing Investigating and resolving defects identified … capability and delivery awareness , ideally from a product, SaaS or data-led environment. Key experience: Good understanding with SQL (data querying, manipulation, and ideally performance optimisation) Experience working in a structured development or implementation environment Exposure to testing, defect management, and release processes Understanding of the software development ...

office This is a high impact Retail Data Analyst role within a fast growing, data driven organisation where insight directly shapes pricing decisions, performance optimisation, and client outcomes. You will have genuine ownership, strong visibility, and the opportunity to influence how data is used across the business. … progression and impact. The Role You will join a lean analytics function within a wider business operations team, taking ownership of core retail style performance reporting and insight. Key responsibilities include: Owning and developing reporting and dashboards in Tableau Working closely with stakeholders across finance, operations, and client facing ...

needs. You’ll work across physical, virtualised and cloud-based systems, balancing day-to-day operational support with longer-term planning and improvement. From performance optimisation and incident response through to future roadmaps and capacity planning, you’ll play a key role in keeping our infrastructure running smoothly. … cloud environments Lead through collaboration: Oversee and guide primarily third-party engineering resource to deliver strong, consistent results Ensure operational excellence: Maintain system performance, availability, security and patching across your estate Deliver projects: Plan and execute infrastructure upgrades, enhancements and new implementations Handle incidents and change: Resolve issues quickly ...

latency components within an electronic trading (eTrading) and eRisk platform used across global FX and electronic execution businesses. The team designs and builds high‐performance, distributed systems that manage liquidity, generate real‐time prices, handle internal and external order execution, and support algorithmic trading strategies. These systems are business … similar trading protocols is advantageous. Familiarity with time‐series databases (e.g., kdb+) is desirable. Experience with lock‐free algorithms, advanced concurrency, and performance optimisation is preferred. How We Work Delta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless ...

using Git. Working with third party REST & GraphQL API's CSS (We use Tailwind) Desirable: Component library design using Storybook. Experience using Cloudflare workers. Performance optimisation experience (code-splitting, caching, load testing) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability ...

design principles Support API and integration architecture across enterprise platforms Champion AI-enabled engineering practices and continuous improvement initiatives Ensure platform reliability, resilience, and performance optimisation Key Skills Required Strong Salesforce engineering experience within complex enterprise environments Deep expertise in Salesforce Service Cloud and Industry Cloud solutions Strong ...

live support. Youll develop robust backend services and API orchestration to underpin production-grade AI applications, and ensure operational excellence through monitoring, error handling, performance optimisation and Azure-based deployments. Responsible AI practices are embedded from the start - guardrails, controls, governance not bolted on at the end. Youll ...

real ownership over your work. Key Responsibilities Develop and maintain high-quality Android applications Build polished, intuitive, and accessible user interfaces Contribute to architecture, performance optimisation, and scalability Work across the full development lifecycle from concept to release Ensure best practices across CI/CD, testing, and code ...

exposure to headless CMS platforms such as Hygraph* Good understanding of GraphQL and modern data fetching approaches* Understanding of PWA concepts and frontend performance optimisation* Strong communication skills, with the ability to engage non-technical stakeholders* Experience building e-commerce websites is essential, interacting with a Magento back ...

step reasoning systems Work extensively with open-source and commercial LLM ecosystems, including Hugging Face models and tooling Implement prompt engineering, evaluation frameworks, and performance optimisation strategies Architect secure, scalable GenAI solutions on AWS and GCP Build APIs, services, and pipelines to integrate GenAI into real business workflows ...

infrastructure supporting POS, ERP, warehouse management systems, and retail operations. Network Administration - Oversee WAN/LAN environments, store connectivity, SD-WAN, VPNs, and network performance optimisation. Cloud & Microsoft 365 Leadership - Deliver cloud migration projects and manage Azure/AWS environments, Microsoft 365, Intune, Teams, SharePoint, and Defender. Cybersecurity & Compliance ...

infrastructure supporting POS, ERP, warehouse management systems, and retail operations. Network Administration - Oversee WAN/LAN environments, store connectivity, SD-WAN, VPNs, and network performance optimisation. Cloud & Microsoft 365 Leadership - Deliver cloud migration projects and manage Azure/AWS environments, Microsoft 365, Intune, Teams, SharePoint, and Defender. Cybersecurity & Compliance ...

APIs, including SOAP, REST, WSDL, and related standards. Strong technical expertise in XML and Java. Experience supporting interface technologies, networking, data warehousing, and performance optimisation. Proven ability to work with third-party vendors and external partners on integration and data-related initiatives. Personal Attributes Strong analytical, troubleshooting, and problem ...

Catalyst 9500 platforms. Purpose: To provide 24x7 operational support, monitoring, incident management and technical troubleshooting across critical Cisco network infrastructure, ensuring maximum network availability, performance and service reliability. Technology Stack: * Cisco Catalyst 3850/9300/9500 * Cisco IOS/IOS-XE * Layer 2 & Layer 3 Networking * OSPF/… Routing * VLANs/STP/QoS * Network Monitoring & Alerting Tools * Incident & Fault Management Systems * Network Performance Monitoring * Configuration Management & Backup * WAN/LAN Infrastructure Keywords: NOC Engineer, Network Operations Engineer, Cisco Network Engineer, Cisco Catalyst Engineer, TAC Engineer, NMC Engineer, Shift Network Engineer, Cisco 9300, Cisco 9500, Cisco ...

Catalyst 9500 platforms. Purpose: To provide 24x7 operational support, monitoring, incident management and technical troubleshooting across critical Cisco network infrastructure, ensuring maximum network availability, performance and service reliability. Technology Stack: * Cisco Catalyst 3850/9300/9500 * Cisco IOS/IOS-XE * Layer 2 & Layer 3 Networking * OSPF/… Routing * VLANs/STP/QoS * Network Monitoring & Alerting Tools * Incident & Fault Management Systems * Network Performance Monitoring * Configuration Management & Backup * WAN/LAN Infrastructure Keywords: NOC Engineer, Network Operations Engineer, Cisco Network Engineer, Cisco Catalyst Engineer, TAC Engineer, NMC Engineer, Shift Network Engineer, Cisco 9300, Cisco 9500, Cisco ...

expertise across CICS, z/OS and IBM WebSphere Liberty to support a major enterprise transformation programme. This role focuses on the engineering, configuration, optimisation and support of modern Java workloads running within CICS Liberty environments. Key Skills & Experience: Deep knowledge of CICS systems engineering and z/… infrastructure CICS region setup, configuration and JVM server management IBM WebSphere Liberty administration and runtime configuration Java workload management, JVM tuning and performance optimisation RACF, TLS, certificates, keyrings and security integration REST/API enablement and modern integration practices Problem determination using dumps, traces, logs and SMF data ...

expertise across CICS, z/OS and IBM WebSphere Liberty to support a major enterprise transformation programme. This role focuses on the engineering, configuration, optimisation and support of modern Java workloads running within CICS Liberty environments. Key Skills & Experience: Deep knowledge of CICS systems engineering and z/… infrastructure CICS region setup, configuration and JVM server management IBM WebSphere Liberty administration and runtime configuration Java workload management, JVM tuning and performance optimisation RACF, TLS, certificates, keyrings and security integration REST/API enablement and modern integration practices Problem determination using dumps, traces, logs and SMF data ...

deployment and maintenance, ensuring high‐quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability, reliability, and performance – particularly for the complex configuration and data management workflows that underpin client administration. Ensure compliance with relevant data protection and security standards, given … sensitive nature of client and member data managed by these teams. Set a high bar for software engineering excellence, emphasising efficiency, performance optimisation, and high availability. Act as a mentor to tech leads and managers across the Engineering organisation. Experience and Skills You Need in this Role: Experience ...

deployment and maintenance, ensuring high‐quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability, reliability, and performance – particularly for the complex configuration and data management workflows that underpin client administration. Ensure compliance with relevant data protection and security standards, given … sensitive nature of client and member data managed by these teams. Set a high bar for software engineering excellence, emphasising efficiency, performance optimisation, and high availability. Act as a mentor to tech leads and managers across the Engineering organisation. Experience and Skills You Need in this Role: Experience ...

Basis, ABAP, Fiori/UI5, and integration teams Design and review end-to-end SAP and non-SAP integration patterns Support SAP landscape design, performance optimisation, high availability, and disaster recovery strategies Conduct technical impact assessments, architecture reviews, and troubleshooting activities Ensure compliance with SAP security, governance … Technical Architecture experience across SAP S/4HANA and SAP ECC Deep understanding of SAP Basis, SAP HANA, landscape design, HA/DR, and performance tuning Experience with SAP BTP Integration Suite (CPI), SAP PI/PO, APIs, IDocs, and event-driven architectures Strong knowledge of SAP Fiori/ ...

throughput digital signal processing (DSP), beamforming, and robust operation in demanding subsea environments. The FPGA Engineer will contribute to the development of reliable, high-performance embedded systems deployed in offshore, marine, defence, and scientific applications. What you'll do: 1. FPGA Architecture & Real-Time Signal Processing Develop FPGA designs … processing Beamforming algorithms Pulse compression and matched filtering Implement high-speed streaming data pipelines Optimise fixed-point arithmetic for deterministic real-time performance Design low-latency architectures suitable for active sonar systems. 2. High-Speed Interface Development Implement and validate interfaces such as: High-speed ADC/DAC interfaces ...

Support and troubleshoot production systems and live environments Collaborate with global teams including infrastructure, support, and business users Contribute to system improvements, upgrades, and performance optimisation Essential Skills Strong experience with C#/.NET Proven experience with WPF and/or WinForms Experience developing desktop-based applications Ability ...

systems Troubleshoot and resolve application issues Work closely with technical and non-technical stakeholders to understand requirements and deliver solutions Contribute to system improvements, performance optimisation and best practice development Required Experience Strong commercial experience with Visual LANSA/IBM LANSA Experience with RDML and/or RDMLX ...

mindset: improving quality without disrupting delivery Strong communication skills and the ability to lead and mentor a team Nice to have: Experience with multithreading, performance optimisation, or low-level systems Familiarity with Linux development environments Exposure to static analysis, sanitizers, fuzzing, or property-based testing Why Join High ...