501 to 525 of 2,003 Performance Optimisation Jobs in the UK

research tools. You will collaborate closely with quantitative researchers, traders, and engineers to translate complex financial models into scalable, low-latency trading solutions. Key Responsibilities: Develop and optimise high-performance trading systems in C++ and Python for algorithmic trading and execution. Implement, test, and deploy trading strategies based on research-driven insights. Enhance and maintain the research and backtesting … closely with quantitative researchers to understand their needs and develop efficient tools for data analysis, simulation, and strategy optimisation. Optimise market data pipelines and trade execution engines to improve performance and reduce latency. Ensure system reliability, scalability, and low-latency performance in a fast-paced trading environment. Utilise distributed computing and high-performance computing techniques to enhance … real-time data processing and trading execution. Required Qualifications: Strong understanding of quant trading logic, market structure, and execution strategies. Proficiency in C++ and Python, with experience in high-performance computing, multi-threading, and distributed systems. Experience with algorithmic trading systems in crypto, equities, FX, or derivatives at least 5 years. Knowledge of financial markets, risk management, and portfolio More ❯

and procurement modules The role will involve providing technical leadership and expertise in supporting and maintaining the Oracle application and will require a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. The support lead will provide advanced technical support, trouble shoot complex issues, manage a team of support engineers and will work … outages, managing communication with internal stakeholders and driving resolution. Participate in post-incident reviews to identify root causes and implement preventative measures. Continuous Improvement: Identify opportunities to improve the performance, stability, and security of the Oracle Cloud environment. Drive the adoption of automation tools and scripts to streamline support processes and improve efficiency. Knowledge Sharing: Maintain comprehensive technical documentation … application development frameworks and tools. Strong troubleshooting and analytical skills, with the ability to diagnose complex technical issues. Proficiency in Scripting languages (eg, SQL and Python). Experience with performance monitoring and tuning tools. Understanding of integration technologies ( OCI ) and APIs (eg, REST, SOAP). Experience with ITIL processes and change management. Soft Skills Excellent verbal and written communication More ❯

you'll be responsible for developing user-friendly, responsive websites using modern front-end technologies. You'll work closely with designers, developers, and marketing teams to ensure consistent, high-performance, and accessible user experiences across our customer platforms. The successful candidate will have the opportunity to make a real difference in the way people buy travel insurance online! We … working with simple CMS functions, or integrating front-end components with back-end logic. Conduct comprehensive cross-browser and cross-device testing to ensure consistency and reliability. Optimize website performance and page load times. Participate in sprints, stand-ups, and planning meetings to ensure alignment and timely delivery. Skills Required: Advanced knowledge of HTML, CSS (including Flexbox, Grid, animations … templates, working with WordPress, simple form handling). Familiarity with responsive design frameworks like Bootstrap or Tailwind. Experience using Git for version control and collaborative development. Strong debugging and optimisation skills for both performance and accessibility. Ability to write clean, maintainable, and well-documented code. Strong attention to detail and an eye for design fidelity. Good communication skills More ❯

you’ll be responsible for developing user-friendly, responsive websites using modern front-end technologies. You'll work closely with designers, developers, and marketing teams to ensure consistent, high-performance, and accessible user experiences across our customer platforms. The successful candidate will have the opportunity to make a real difference in the way people buy travel insurance online! We … working with simple CMS functions, or integrating front-end components with back-end logic. Conduct comprehensive cross-browser and cross-device testing to ensure consistency and reliability. Optimize website performance and page load times. Participate in sprints, stand-ups, and planning meetings to ensure alignment and timely delivery. Skills Required: Advanced knowledge of HTML, CSS (including Flexbox, Grid, animations … templates, working with WordPress, simple form handling). Familiarity with responsive design frameworks like Bootstrap or Tailwind. Experience using Git for version control and collaborative development. Strong debugging and optimisation skills for both performance and accessibility. Ability to write clean, maintainable, and well-documented code. Strong attention to detail and an eye for design fidelity. Good communication skills More ❯

WordPress Developer to take ownership of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content Management: Update and maintain website … content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance Optimisation: Optimise website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX/UI/SEO. Bug Fixing: Identify and address front-end issues promptly to … . Familiarity with PHP for customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience Proven track record as a WordPress developer, with a portfolio demonstrating front-end expertise. Strong attention More ❯

WordPress Developer to take ownership of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content Management: Update and maintain website … content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance Optimisation: Optimise website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX/UI/SEO. Bug Fixing: Identify and address front-end issues promptly to … . Familiarity with PHP for customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience Proven track record as a WordPress developer, with a portfolio demonstrating front-end expertise. Strong attention More ❯

WordPress Developer to take ownership of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content Management: Update and maintain website … content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance Optimisation: Optimise website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX/UI/SEO. Bug Fixing: Identify and address front-end issues promptly to … . Familiarity with PHP for customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience Proven track record as a WordPress developer, with a portfolio demonstrating front-end expertise. Strong attention More ❯

WordPress Developer to take ownership of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content Management: Update and maintain website … content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance Optimisation: Optimise website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX/UI/SEO. Bug Fixing: Identify and address front-end issues promptly to … . Familiarity with PHP for customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience Proven track record as a WordPress developer, with a portfolio demonstrating front-end expertise. Strong attention More ❯

is an excellent opportunity for a highly skilled Siebel Developer looking to contribute to a dynamic and innovative team. If you are passionate about enterprise application development, integration, and performance optimisation, we encourage you to apply and be part of an exciting digital transformation journey. CGI was recognised in the Sunday Times Best Places to Work list … play a crucial role in designing, developing, and maintaining enterprise-scale Siebel solutions. You will be responsible for supporting the full software development lifecycle (SDLC), ensuring seamless integration, optimal performance, and a robust Siebel infrastructure. Working within a multi-functional team, you will collaborate with developers, testers, and business analysts to gather requirements, assess technical feasibility, and implement solutions … this role, you will be expected to manage and optimise Siebel Dev and SIT environments, ensuring a smooth migration of changes from development to testing. You will contribute to performance tuning initiatives, identifying and resolving bottlenecks in online and batch integrations to enhance system reliability. A key aspect of your responsibilities will include troubleshooting and resolving Siebel interface and More ❯

in the mobile stack Collaborate with designers and backend engineers to deliver robust, user-friendly solutions Write clean, maintainable, well-tested code following best practices Address and resolve bugs, performance bottlenecks, and edge cases Write or adapt native modules when required for specific platform needs Participate in code reviews, daily stand-ups, sprint planning, and retrospectives Contribute to ongoing … platform-specific customisation Proven track record of delivering high-quality mobile applications to production Experience working in a Scrum/Agile team environment Familiarity with mobile testing, debugging, and performance optimisation tools Clear understanding of app publishing processes on both App Store and Play Store A collaborative mindset, strong communication skills, and the ability to work closely with … More! Product Discount on Net World Sports & Affiliate Partner Products Subsidised On-Site Bistro - Serving Freshly Prepared Food Every Day for Breakfast & Lunch Employee Recognition - Bonus & Commission Schemes and Performance, Length of Service & Life Event Rewards Employee Support - Saving Schemes, Legal & Financial Advice, Parental Guidance OUR VALUES: Go above and beyond: Get stuck in and show your passion! Ideas More ❯

What You'll Be Doing As a key member of the Platform team, you'll take ownership of maintaining and optimising cloud-based and on-prem data platforms, ensuring performance, reliability, and security. You'll collaborate with internal teams to implement best practices and contribute to the scalability of the platform as the business continues to grow. Key Responsibilities … and on-premise databases (PostgreSQL and more) Design and implement secure, high-availability data platforms Manage core platform operations including data replication, backup and recovery strategies, encryption protocols, and performance optimisation Collaborate with cross-functional teams to resolve issues and roll out improvements Provide end-user support via the Helpdesk system and participate in deployment activities What We More ❯

What You'll Be Doing As a key member of the Platform team, you'll take ownership of maintaining and optimising cloud-based and on-prem data platforms, ensuring performance, reliability, and security. You'll collaborate with internal teams to implement best practices and contribute to the scalability of the platform as the business continues to grow. Key Responsibilities … and on-premise databases (PostgreSQL and more) Design and implement secure, high-availability data platforms Manage core platform operations including data replication, backup and recovery strategies, encryption protocols, and performance optimisation Collaborate with cross-functional teams to resolve issues and roll out improvements Provide end-user support via the Helpdesk system and participate in deployment activities What We More ❯

using JIRA for task management and support workflows. Strong experience working with observability tools (Grafana) Strong troubleshooting and problem-solving skills in cloud environments. Understanding of cloud security and performance optimisation best practices. Knowledge of scripting or automation tools (e.g., Python, Terraform) is a plus. Excellent communication and customer service skills. Certifications in GCP (Professional certifications) are highly … Manage and respond to cloud incidents using incident.io, ensuring timely resolution. Use JIRA to log, track, and prioritize support tickets and workflow tasks. Monitor and maintain cloud infrastructure for performance, reliability, and security. Collaborate with teams to identify and implement solutions to technical challenges. Assist in deploying, configuring, and optimising GCP resources. Create and maintain documentation for troubleshooting processes More ❯

issues Delivery driven & can deliver fast Full-Stack Development Skills: Design Implementation: Convert high-fidelity designs into fast, functional pages with optimal UI/UX. Responsive Design: Ensure flawless performance across all devices and screen sizes. Performance Optimisation: Maximise speed through asset compression, caching, and code optimisation. Database Management: Build and maintain secure, high-performance databases. More ❯

and SMEs. Our comprehensive services include IT support, broadband connectivity, telephone systems, and proactive cybersecurity protection. Modern Networks ensures business continuity through data backup and disaster recovery solutions, optimises performance by managing IT infrastructure, and enhances communications by monitoring and optimising network performance. They also help businesses achieve and maintain compliance with industry regulations and data protection laws. What … development methodologies e.g., DevOps, Scrum (EPICs, Stories, Task, Issues, Bugs). Excellent stakeholder management, communication, and interpersonal skills. Skilled in data modelling, ELT pipelines, and SQL. Knowledge of cloud performance optimisation and cost management. Experience with the definition of data strategy, global data platform strategy, and development roadmaps aligned with the company’s digital transformation plans. Understanding of More ❯

annual green hydrogen production capacity of up to 1 million tonnes by the same year. Job Description Purpose for the Job: To play a pivotal role in enhancing the performance, reliability, and profitability of our renewable energy assets. To leverage advanced analytics, machine learning, and data visualization techniques by driving data-driven strategies to optimize operations (and maintenance), forecast … performance, and support strategic decision-making aligned with our goals. To work in close interface with Commercial Team supporting overall development of a data platform for Masdar’s London managed projects with a key ambition to set up a BESS Operations Control Desk. This desk will be responsible for the monitoring, analysis & scheduling of all assets and act as … and management tools. Integrate all BESS data (financial and technical) and develop Asset Management tools and dashboards. Document control management. Collaborate with the Masdar Control Desk to identify key performance indicators (KPIs) and areas for improvement: Support the Control Desk in their data and analysis needs to optimise battery availability and state of health. Creation and continued refinement of More ❯

most widely used OS for public cloud instances across every major public cloud. Our team builds, tests, and publishes the base Ubuntu images used by millions to ensure optimal performance and security in their cloud estate. We aim to deliver the very best public cloud VM experience, as well as specialized images for specific purposes on each cloud. We … and components that their team is building with. Code reviews and architectural leadership are part of the job. As manager, the commitment to healthy engineering practices, documentation, quality and performance optimisation are equally important technical responsibilities, as is the requirement for fair and clear management, and the obligation to ensure a high performing team. What you’ll do More ❯

the company's digital strategy Ensure security, governance, and quality standards across development processes Oversee engineering execution, measuring productivity through KPIs Maintain high standards in software architecture, testing, and performance optimisation Collaborate with stakeholders, including Architects, Product Owners, and DevOps teams Support, mentor, and coach engineering teams Provide hands-on coding support when required, ensuring best practices and More ❯

with the companys digital strategy Ensure security, governance, and quality standards across development processes Oversee engineering execution, measuring productivity through KPIs Maintain high standards in software architecture, testing, and performance optimisation Collaborate with stakeholders, including Architects, Product Owners, and DevOps teams Support, mentor, and coach engineering teams Provide hands-on coding support when required, ensuring best practices and More ❯

interaction designers to represent user needs internally. Champion user research to focus on all users. Prioritise and define approaches to understand the user story, guiding others in doing so. Performance optimisation: Show an awareness of the principles of web performance and how poor performance can negatively affect user experience. Support activities to improve web performance. Identify … accessibility and WCAG standards to ensure our codebase and output is compliant. So, what’s in it for you? Bonus Schemes - A bonus that regularly rewards you for your performance A pension of up to 12%- We will match your contributions up to 6% of your salary Our award-winning Vitality health insurance - With its own set of rewards More ❯

solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer Science … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills More ❯

expertise in supporting and maintaining the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. The support lead will provide advanced technical support, trouble shoot complex issues, manage a team of support engineers and will work … outages, managing communication with internal stakeholders and driving resolution. Participate in post-incident reviews to identify root causes and implement preventative measures. Continuous Improvement: Identify opportunities to improve the performance, stability, and security of the Oracle Cloud environment. Drive the adoption of automation tools and scripts to streamline support processes and improve efficiency. Knowledge Sharing: Maintain comprehensive technical documentation … application development frameworks and tools. Strong troubleshooting and analytical skills, with the ability to diagnose complex technical issues. Proficiency in scripting languages (e.g., SQL and Python). Experience with performance monitoring and tuning tools. Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP). Experience with ITIL processes and change management. Soft Skills Excellent verbal and written communication More ❯

expertise in supporting and maintaining the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. The support lead will provide advanced technical support, trouble shoot complex issues, manage a team of support engineers and will work … outages, managing communication with internal stakeholders and driving resolution. Participate in post-incident reviews to identify root causes and implement preventative measures. Continuous Improvement: Identify opportunities to improve the performance, stability, and security of the Oracle Cloud environment. Drive the adoption of automation tools and scripts to streamline support processes and improve efficiency. Knowledge Sharing: Maintain comprehensive technical documentation … application development frameworks and tools. Strong troubleshooting and analytical skills, with the ability to diagnose complex technical issues. Proficiency in scripting languages (e.g., SQL and Python). Experience with performance monitoring and tuning tools. Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP). Experience with ITIL processes and change management. Soft Skills Excellent verbal and written communication More ❯

expertise in supporting and maintaining the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. The support lead will provide advanced technical support, trouble shoot complex issues, manage a team of support engineers and will work … outages, managing communication with internal stakeholders and driving resolution. Participate in post-incident reviews to identify root causes and implement preventative measures. Continuous Improvement: Identify opportunities to improve the performance, stability, and security of the Oracle Cloud environment. Drive the adoption of automation tools and scripts to streamline support processes and improve efficiency. Knowledge Sharing: Maintain comprehensive technical documentation … application development frameworks and tools. Strong troubleshooting and analytical skills, with the ability to diagnose complex technical issues. Proficiency in scripting languages (e.g., SQL and Python). Experience with performance monitoring and tuning tools. Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP). Experience with ITIL processes and change management. Soft Skills Excellent verbal and written communication More ❯

expertise in supporting and maintaining the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. The support lead will provide advanced technical support, trouble shoot complex issues, manage a team of support engineers and will work … outages, managing communication with internal stakeholders and driving resolution. Participate in post-incident reviews to identify root causes and implement preventative measures. Continuous Improvement: Identify opportunities to improve the performance, stability, and security of the Oracle Cloud environment. Drive the adoption of automation tools and scripts to streamline support processes and improve efficiency. Knowledge Sharing: Maintain comprehensive technical documentation … application development frameworks and tools. Strong troubleshooting and analytical skills, with the ability to diagnose complex technical issues. Proficiency in scripting languages (e.g., SQL and Python). Experience with performance monitoring and tuning tools. Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP). Experience with ITIL processes and change management. Soft Skills Excellent verbal and written communication More ❯