151 to 175 of 291 Performance Optimisation Jobs in the UK

API, and CSS frameworks . Integrate emerging tech : Incorporate AI/ML APIs, LLM-driven features, and automation tooling into our products. Design for scale : Lead on API design, performance optimisation, and secure, cloud-ready architectures. Build the team : Recruit, mentor, and grow high-performing engineers while raising the quality bar. Collaborate : Translate product goals into clear technical More ❯

improving governance frameworks. About You Proven experience building and maintaining ELT pipelines in a cloud environment (preferably Google Cloud Platform ). Proficient in SQL and experienced in data modelling, performance optimisation, and troubleshooting. Strong understanding of data governance , compliance, and best practices. Experience working with audience data and delivering insights to marketing and sales teams. Skilled at translating More ❯

between business stakeholders and technology teams, translating trading needs into technical solutions. Drive platform upgrades, integration efforts, and workflow enhancements. Provide expert-level input on ION configuration, connectivity, and performance optimization. Collaborate with vendors and internal teams to ensure seamless delivery and support. Requirements: Proven experience as an ION SME within an investment banking or trading environment. Strong understanding More ❯

implement end-to-end ServiceNow solutions across multiple modules. Deep understanding of the ServiceNow platform architecture, data model, and security framework. Expertise in ServiceNow best practices, including platform governance, performance optimization, and security hardening. Proven experience with large-scale ServiceNow implementations and complex integrations. Strong analytical and problem-solving skills with the ability to articulate complex technical concepts to More ❯

Kanban). Proficient with CI/CD tools and practices. Track record of leading teams or making key technical decisions on mobile projects. Demonstrable knowledge of REST APIs and performance optimisation. Committed to accessibility standards and inclusive design. Why Join? Flexible hybrid working: Work remotely with occasional visits to the office Opportunities for continuous learning, growth, and internal mobility. More ❯

Kanban). Proficient with CI/CD tools and practices. Track record of leading teams or making key technical decisions on mobile projects. Demonstrable knowledge of REST APIs and performance optimisation. Committed to accessibility standards and inclusive design. Why Join? Flexible hybrid working: Work remotely with occasional visits to the office Opportunities for continuous learning, growth, and internal mobility. More ❯

Kanban). Proficient with CI/CD tools and practices. Track record of leading teams or making key technical decisions on mobile projects. Demonstrable knowledge of REST APIs and performance optimisation. Committed to accessibility standards and inclusive design. Why Join? Flexible hybrid working: Work remotely with occasional visits to the office Opportunities for continuous learning, growth, and internal mobility. More ❯

switching protocols - Dell, Cisco, HP/Aruba Network security technologies - Sophos, Fortigate, Palo Alto Wireless networking (802.11 standards, enterprise WLAN design) WAN - Cisco Meraki, VMware VeloCloud Network monitoring and performance optimization tools Network services configuration VMware/Hyper-V networking (NSX, VXLAN) Cloud networking - Azure, AWS Integration of networking with identity systems Strong server operating system skills (Windows, Unix More ❯

integration, CRM, ERP, and security to ensure cohesive system design. Product Lifecycle Management Manage the full lifecycle of digital products from discovery, requirements, prioritisation, and development to release and performance optimisation. Facilitate discovery workshops with stakeholders to translate business needs into user stories, epics, and roadmap features. Work closely with commercial, marketing, and support teams to understand channel partner More ❯

/CSS. Key Responsibilities: Full Stack Development: Develop, test, and maintain both front-end and back-end components for web and mobile-based applications. Design and implement scalable, high-performance solutions using .NET technologies. Work closely with product managers, UX/UI designers, and other developers to deliver features that meet business requirements and enhance user experience. Write clean … code adhering to industry best practices. Conduct code reviews, provide feedback, and mentor junior developers when required. Design and implement RESTful APIs and services using ASP.NET Core. Ensure database performance and scalability with SQL Server and/or other database technologies. Implement responsive and user-friendly front-end interfaces using modern JavaScript and styling/CSS frameworks Ensure compatibility … across different browsers and devices. Write unit, integration, and end-to-end tests to ensure the reliability and performance of applications. Perform debugging and troubleshooting of software issues, ensuring prompt resolution. Ensure that all solutions are secure, follow best practices, and comply with relevant industry standards (e.g., GDPR, data protection regulations). Continuous Improvement: Stay up-to-date with More ❯

expert, you'll develop scalable SAP solutions that enhance user experience, streamline operations, and support transformation programmes. You'll collaborate with functional teams and business stakeholders to deliver high-performance applications using modern SAP technologies and development frameworks. Key Responsibilities Lead development across SAP ECC , S/4HANA , and SAP BTP platforms Design and build custom applications using SAP … SAP Integration solutions Collaborate with cross-functional teams to ensure alignment with business and technical requirements Champion SAP development standards and best practices across the organisation Support continuous improvement, performance optimisation, and technical governance Mentor junior developers and contribute to capability growth Experience & Skills Required Proven expertise in SAP ABAP , Fiori , UI5 , and SAP Mobile development Strong experience More ❯

all platforms are feasible, secure, scalable, secure, and aligned with best practice. Support colleagues to strengthen their technical skills and adopt product-based ways of working. Monitor and improve performance using analytics and user feedback. Act as the main technical contact for our website agency and manage the day-to-day relationship. Ensure technical and strategic alignment across all … architecture. Experience working in, and ideally developing, product-based approaches. Technical expertise in Drupal CMS and Microsoft Dynamics 365. Experience managing relationships with external digital agencies. Strong knowledge of performance optimisation, user experience, and accessibility standards (such as WCAG 2.1). Excellent communication skills, with the ability to explain complex technical concepts to a wide range of audiences. More ❯

deliver value and improvements Essential Skills & Experience: Strong communication with senior non-technical stakeholders Hands-on experience with SDLC, ITIL, Agile or Prince2 Proven ability in service improvement and optimisation Excellent analytical, planning, and project management skills Ability to work independently and influence outcomes Desirable: Experience in asset management, performance optimisation, and user research Familiarity with testing More ❯

graphic design, interaction design, visual arts, or related field Knowledge of Agile, Lean UX, or Scrum practices Familiarity with design thinking to tackle complex UX challenges Understanding of web performance optimisation for efficient user experiences Awareness of applied AI for automation and decision support A portfolio/examples showing both iterative improvements and final designs Wed also love More ❯

and clear communication of project progress Control scope, risks, resources, and budgets, ensuring alignment with strategic goals Deliver improvements in NetSuite functionality, integrations, revenue recognition, billing, VAT determination, and performance optimization What We’re Looking For: Proven experience managing full lifecycle NetSuite implementations, integrations, and transformations in complex, multi-entity environments Deep understanding of NetSuite SuiteScript, SuiteFlow, SuiteBundler, SuiteTalk More ❯

and clear communication of project progress Control scope, risks, resources, and budgets, ensuring alignment with strategic goals Deliver improvements in NetSuite functionality, integrations, revenue recognition, billing, VAT determination, and performance optimization What We’re Looking For: Proven experience managing full lifecycle NetSuite implementations, integrations, and transformations in complex, multi-entity environments Deep understanding of NetSuite SuiteScript, SuiteFlow, SuiteBundler, SuiteTalk More ❯

concepts. Lead the development, testing, and prototyping of innovative new products. Support legacy product improvements and provide technical leadership across production activities. Oversee system architecture, technical design, scalability, and performance optimisation. Drive best-in-class engineering practices, DFM/DFA principles, and quality compliance. Support technical sales activities, including customer meetings, quotations, and product specifications. Champion continuous improvement, innovation More ❯

concepts. Lead the development, testing, and prototyping of innovative new products. Support legacy product improvements and provide technical leadership across production activities. Oversee system architecture, technical design, scalability, and performance optimisation. Drive best-in-class engineering practices, DFM/DFA principles, and quality compliance. Support technical sales activities, including customer meetings, quotations, and product specifications. Champion continuous improvement, innovation More ❯

will be considered) • Proven startup experience (corporate-only backgrounds will not be considered) • Expert-level proficiency in React, TypeScript, modern frontend frameworks and architectures • Strong understanding of state management, performance optimization, and scalable component-driven design • Experience with testing frameworks (Jest, Cypress, Playwright) • Comfort with open-source principles and contributions • Clear, confident communication in English (minimum C1, no heavy More ❯

ll work closely with a collaborative team to define, design, and launch new features, making a tangible impact. Additionally, you'll play a crucial role in identifying and resolving performance issues, debugging, and maintaining the overall quality and organisation of the codebase, all while contributing to rigorous testing practices. Responsibilities Build and maintain features for our iOS app Ensure … the performance, quality, and responsiveness of applications Collaborate with a team to define, design, and ship new features Identify and correct bottlenecks and fix bugs Help maintain code quality, organisation, and testing Essential experience 2-3 years of experience in a similar role Proficient with Swift Experience with SwiftUI and some familiarity with UIKit Familiarity with REST/working … Experience with different architectures (we use MVVM-C) Experience with websocket messaging Familiarity with continuous integration and unit testing Familiarity with thread safety Interest in modular architecture Experience with performance optimisation What's in it for you: Shape our future: Play a key role in our team's success, where your voice matters, and you'll have a More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯