376 to 400 of 663 Performance Optimisation Jobs in England

Apex, Visualforce, Lightning Components, and Lightning Web Components the creation of custom solutions tailored to client needs. • Strong understanding of Salesforce governor limits and performance optimization principles for efficient and scalable applications for a large active user base • Expertise in large-scale integration using SOAP, REST, Streaming (including Lightning More ❯

sales analytics tools: Proficiency in utilizing Customer Relationship Management (CRM) software and sales analytics tools enables effective pipeline management, data-driven decision-making, and performance optimization. WIDER TEAM NETWORK (WHICH TEAMS WILL THE POSITION WORK WITH DIRECTLY AND WHO WILL THEY RELATE TO EXTERNALLY) Internal External Customers, distributors, vendors More ❯

end focused and is a hands-on technical leadership position , where you will be responsible for driving the design, development, and delivery of high-performance software solutions. While you will have some team management responsibilities, the primary focus of this role is technical excellence, ensuring that the team follows … Hands-on development: Lead by example, writing high-quality, well-tested Java code. Technical Leadership: Guide the team in best practices for software architecture, performance optimization , and maintainability. Design and problem-solving: Drive the design of complex systems, ensuring scalability, security, and reliability. Code reviews and mentorship: Provide guidance … and feedback through code reviews, fostering a culture of engineering excellence. Continuous improvement: Identify and drive technical improvement, such as refactoring, performance tuning, and new technology adoption. Collaboration: Work closely with Product UX, and other engineering teams to deliver high-value features. Team Support: While this is not a More ❯

and products. What will you be doing? As a React Developer, you'll be building and enhancing the front-end of a scalable, high-performance web platform using React.js. You'll work closely with both the back-end team (NodeJS and SQL Server) and UI/UX designers to … bring features to life, with a strong focus on performance, usability, and clean, efficient code. You'll be: Designing and developing reusable React components using modern hooks. Consuming APIs and integrating front-end components with backend data. Collaborating with cross-functional teams to deliver high-quality, scalable solutions Taking … ownership of features and assisting in architectural discussions as needed Contributing to code reviews, testing, and performance tuning What we're looking for: Hands-on experience with React.js in a commercial environment Strong understanding of JavaScript (ES6+), HTML5, CSS3, and responsive design Experience with RESTful APIs and client-server More ❯

Calypso Platform Reliability & Efficiency Specialist Location: London Employment Type: Contract Job Summary: We are seeking a highly skilled Calypso Expert to enhance the reliability, performance, and efficiency of our Calypso trading and risk management platform. The ideal candidate will have extensive experience in Calypso implementation, customization, performance optimization … for Calypso development. Experience in Calypso modules (Front Office, Back Office, Collateral Management, Risk & Treasury). Knowledge of SQL, Oracle, or PostgreSQL databases for performance tuning. Experience with Calypso APIs, integration (JMS, FIX, REST/SOAP), and messaging services. Strong understanding of Unix/Linux environments and shell scripting More ❯

a Senior Software Engineer with extensive experience in Django, Django Admin, and MySQL databases. In this role, you will design, develop, and optimize high-performance web applications, ensuring the reliability and scalability of backend systems. The ideal candidate will possess excellent problem-solving abilities and a strong passion for … practices. Implement secure authentication, authorization, and other security measures in Django. Conduct in-depth code reviews and provide mentorship to junior developers. Improve database performance through query optimization, indexing, and schema design. Ensure smooth CI/CD pipeline implementation and maintenance. Diagnose and resolve complex technical challenges in both … experience we’re looking for - Over 5 years of professional experience working with Django and Django Admin. Extensive experience with MySQL databases, focusing on performance optimization, query design, and migrations. Skilled in designing RESTful APIs and integrating third-party services. Deep understanding of ORMs, database indexing, and query optimization. More ❯

a Senior Software Engineer with extensive experience in Django, Django Admin, and MySQL databases. In this role, you will design, develop, and optimize high-performance web applications, ensuring the reliability and scalability of backend systems. The ideal candidate will possess excellent problem-solving abilities and a strong passion for … practices. Implement secure authentication, authorization, and other security measures in Django. Conduct in-depth code reviews and provide mentorship to junior developers. Improve database performance through query optimization, indexing, and schema design. Ensure smooth CI/CD pipeline implementation and maintenance. Diagnose and resolve complex technical challenges in both … experience we’re looking for - Over 5 years of professional experience working with Django and Django Admin. Extensive experience with MySQL databases, focusing on performance optimization, query design, and migrations. Skilled in designing RESTful APIs and integrating third-party services. Deep understanding of ORMs, database indexing, and query optimization. More ❯

implement ecommerce strategies to meet sales targets and accelerate online growth Platform Operations: Oversee all online activity, including product listings, pricing, promotions, and inventory Performance Optimisation: Monitor site analytics and KPIs to improve conversion rates and customer engagement CRM & Email Marketing: Own and optimise Klaviyo CRM campaigns aligned … with the trading calendar Paid Performance: Guide digital marketing agency to ensure PPC spend supports commercial goals Collaboration: Work closely with marketing, design, and customer service teams to enhance campaigns and promotions UX & Innovation: Stay on top of trends to improve the customer journey and identify growth opportunities External More ❯

implement ecommerce strategies to meet sales targets and accelerate online growth Platform Operations: Oversee all online activity, including product listings, pricing, promotions, and inventory Performance Optimisation: Monitor site analytics and KPIs to improve conversion rates and customer engagement CRM & Email Marketing: Own and optimise Klaviyo CRM campaigns aligned … with the trading calendar Paid Performance: Guide digital marketing agency to ensure PPC spend supports commercial goals Collaboration: Work closely with marketing, design, and customer service teams to enhance campaigns and promotions UX & Innovation: Stay on top of trends to improve the customer journey and identify growth opportunities External More ❯

implement ecommerce strategies to meet sales targets and accelerate online growth Platform Operations: Oversee all online activity, including product listings, pricing, promotions, and inventory Performance Optimisation: Monitor site analytics and KPIs to improve conversion rates and customer engagement CRM & Email Marketing: Own and optimise Klaviyo CRM campaigns aligned … with the trading calendar Paid Performance: Guide digital marketing agency to ensure PPC spend supports commercial goals Collaboration: Work closely with marketing, design, and customer service teams to enhance campaigns and promotions UX & Innovation: Stay on top of trends to improve the customer journey and identify growth opportunities External More ❯

the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding practices. - Participate in code reviews and provide constructive feedback. - Stay updated … Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills and More ❯

the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding practices. - Participate in code reviews and provide constructive feedback. - Stay updated … Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills and More ❯

the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding practices. - Participate in code reviews and provide constructive feedback. - Stay updated … Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills and More ❯

policies to ensure compliance and risk mitigation. Monitoring & Logging : Experience with Azure Monitor, Application Insights, Log Analytics, and Prometheus/Grafana for observability and performance monitoring. Scripting & Automation : Strong scripting skills in PowerShell, Bash, and Python , along with automation frameworks like Ansible . Collaboration & Problem-Solving : Ability to work … closely with development, security, and operations teams, applying DevOps methodologies to streamline processes and enhance system reliability. Performance Optimization : Expertise in tuning cloud applications for cost efficiency, scalability, and high availability , leveraging Azure Autoscaling, Load Balancers, andTraffic Manager . At least 5 years of hands-on experience in Azure More ❯

Functions). Develop and maintain non-Shopify apps, including subscription management solutions and headless commerce setups. Write clean, scalable, and maintainable code that balances performance, security, and long-term sustainability. Work with relational and NoSQL databases, ensuring efficient data management. Team Leadership & Mentorship Lead a small, outsourced engineering team … on business goals. Process Improvement & Collaboration Work closely with stakeholders, designers, and marketers to bring ideas to life. Advocate for eCommerce best practices, including performance optimization and conversion rate improvements. Stay up-to-date with Shopify ecosystem changes, new APIs, and emerging technologies. Who We’re Looking For 10+ More ❯

Functions). Develop and maintain non-Shopify apps, including subscription management solutions and headless commerce setups. Write clean, scalable, and maintainable code that balances performance, security, and long-term sustainability. Work with relational and NoSQL databases, ensuring efficient data management. Team Leadership & Mentorship Lead a small, outsourced engineering team … on business goals. Process Improvement & Collaboration Work closely with stakeholders, designers, and marketers to bring ideas to life. Advocate for eCommerce best practices, including performance optimization and conversion rate improvements. Stay up-to-date with Shopify ecosystem changes, new APIs, and emerging technologies. Who We’re Looking For 10+ More ❯

Functions). Develop and maintain non-Shopify apps, including subscription management solutions and headless commerce setups. Write clean, scalable, and maintainable code that balances performance, security, and long-term sustainability. Work with relational and NoSQL databases, ensuring efficient data management. Team Leadership & Mentorship Lead a small, outsourced engineering team … on business goals. Process Improvement & Collaboration Work closely with stakeholders, designers, and marketers to bring ideas to life. Advocate for eCommerce best practices, including performance optimization and conversion rate improvements. Stay up-to-date with Shopify ecosystem changes, new APIs, and emerging technologies. Who We’re Looking For 10+ More ❯

Digital Executive role with a high-growth SaaS business operating across the UK, US, and Canadian markets. You’ll take the lead on a performance driven paid media strategy, focused on generating high-quality leads for smart B2B tech solutions trusted by thousands of businesses globally. You’ll be … Paid Media Strategy : Lead and optimise paid search and digital campaigns across key English-speaking markets, generating leads that convert into pipeline and revenue. ✦ Performance Optimisation : Manage bid strategies, A/B testing, and CRO tactics to continually refine campaign performance. ✦ Landing Page Collaboration : Work cross-functionally to … charge of a substantial monthly PPC spend – making sure every pound (and dollar) is working hard. ✦ Attribution & Reporting : Implement attribution models that give true performance insight, and track KPIs like CAC, lead scores, and conversion rates. Working pattern: You'll be office-based 3 days a week (Leeds area More ❯

Digital Executive role with a high-growth SaaS business operating across the UK, US, and Canadian markets. You’ll take the lead on a performance driven paid media strategy, focused on generating high-quality leads for smart B2B tech solutions trusted by thousands of businesses globally. You’ll be … Paid Media Strategy : Lead and optimise paid search and digital campaigns across key English-speaking markets, generating leads that convert into pipeline and revenue. ✦ Performance Optimisation : Manage bid strategies, A/B testing, and CRO tactics to continually refine campaign performance. ✦ Landing Page Collaboration : Work cross-functionally to … charge of a substantial monthly PPC spend – making sure every pound (and dollar) is working hard. ✦ Attribution & Reporting : Implement attribution models that give true performance insight, and track KPIs like CAC, lead scores, and conversion rates. Working pattern: You'll be office-based 3 days a week (Leeds area More ❯

This role is ideal for someone with hands-on experience in paid media who is ready to take more ownership over campaign delivery and performance optimisation in a collaborative, data-driven environment. As a Paid Media Campaign Coordinator , you'll work across multiple platforms to support the planning … media campaigns across platforms including Google Ads, Meta, Bing, and TikTok As the Paid Media Campaign Coordinator , analyse campaign data and report on key performance metrics, suggesting refinements to improve ROI Conduct keyword and audience research to inform targeting strategies Write engaging, conversion-focused ad copy tailored to platform … proactive and adaptable mindset, with a desire to keep developing professionally Benefits for the Paid Media Campaign Coordinator Include: A competitive salary with a performance-linked annual bonus Hybrid working with flexible hours to support work-life balance Generous annual leave with additional discretionary days throughout the year Ongoing More ❯

This role is ideal for someone with hands-on experience in paid media who is ready to take more ownership over campaign delivery and performance optimisation in a collaborative, data-driven environment. As a Paid Media Campaign Coordinator , you'll work across multiple platforms to support the planning … media campaigns across platforms including Google Ads, Meta, Bing, and TikTok As the Paid Media Campaign Coordinator , analyse campaign data and report on key performance metrics, suggesting refinements to improve ROI Conduct keyword and audience research to inform targeting strategies Write engaging, conversion-focused ad copy tailored to platform … proactive and adaptable mindset, with a desire to keep developing professionally Benefits for the Paid Media Campaign Coordinator Include: A competitive salary with a performance-linked annual bonus Hybrid working with flexible hours to support work-life balance Generous annual leave with additional discretionary days throughout the year Ongoing More ❯

support and scalable solutions for web-based products. The ideal candidate will proactively drive partner adoption, manage external relationships, and support the development and optimisation of next-generation web technologies. Key Responsibilities Provide advanced technical support for web products and services. Drive partner adoption through proactive outreach and consultation. … satisfaction. Serve as a technical consultant to external partners, offering guidance on product integration and optimisation. Essential Qualifications Deep understanding of web standards and performance optimisation techniques. Familiarity with modern web frameworks and tools. Experience in bug identification and working with engineering teams to resolve issues. Must-have More ❯

like .NET, Node.js, or Python. DevOps Practices: Experience with CI/CD pipelines using Azure DevOps or GitHub Actions, including automated testing and deployment. Performance Optimization: Identify and resolve performance bottlenecks in both front-end and back-end systems. Monitoring and Logging: Experience with tools such as Azure More ❯

Teams: Manage, mentor, and guide a team of developers in the design, implementation, and maintenance of our FX platform. Foster a collaborative and high-performance culture. Platform Architecture: Oversee the technical architecture of the FX platform, ensuring that it meets both current and future business needs. Make key decisions … full software development lifecycle (SDLC) from initial concept and design through to deployment and support. Ensure adherence to best practices and high coding standards. Performance Optimization: Continuously monitor and improve the performance, scalability, and reliability of the FX platform, with a strong focus on low-latency processing and … FX market is desirable. 3+ years of experience in a management role. Technical Skills & Expertise: Extensive experience with the architecture and development of high-performance, low-latency, and scalable platforms. Strong knowledge of FX trading systems, market data feeds, and financial instrument is desirable. Proficient in a range of More ❯

Teams: Manage, mentor, and guide a team of developers in the design, implementation, and maintenance of our FX platform. Foster a collaborative and high-performance culture. Platform Architecture: Oversee the technical architecture of the FX platform, ensuring that it meets both current and future business needs. Make key decisions … full software development lifecycle (SDLC) from initial concept and design through to deployment and support. Ensure adherence to best practices and high coding standards. Performance Optimization: Continuously monitor and improve the performance, scalability, and reliability of the FX platform, with a strong focus on low-latency processing and … FX market is desirable. 3+ years of experience in a management role. Technical Skills & Expertise: Extensive experience with the architecture and development of high-performance, low-latency, and scalable platforms. Strong knowledge of FX trading systems, market data feeds, and financial instrument is desirable. Proficient in a range of More ❯