226 to 250 of 787 Performance Optimisation Jobs in England

Develop and optimise ETL/ELT workflows using Azure Data Factory, applying robust transformation logic, validation, and lineage tracking to support analytics and reporting. Modernise and manage databases , ensuring performance optimisation, governance standards, and scalable architecture across regions and environments. Oversee cloud operations and resilience , including usage optimisation, disaster recovery, and data archiving in line with governance … collaboration , leading data mapping, model design, and cross-functional workshops to support platform migration and ongoing delivery. Experience: 6–10 years experience with SQL Server (including T-SQL and performance tuning). Proven background in ETL/ELT design (ideally using Azure Data Factory). Hands on experience with cloud-based data ingestion and transformation (preferably Azure). Familiarity More ❯

Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 1–3 years’ professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of algorithms, data structures … and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯

Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 1–3 years’ professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of algorithms, data structures … and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯

Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 1–3 years’ professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of algorithms, data structures … and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯

Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 1–3 years’ professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of algorithms, data structures … and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯

and new ideas. What You Bring ⚡ SDR Experience 1+ years quota-carrying SDR experience (SaaS, martech, or agency services) with ambition to progress to AE within a year. 📈 Research & Optimisation Mindset Obsess over prospecting, performance optimisation, and leveraging AI + data to smash targets. 🔎 List-Building Strength Skilled at identifying ICPs, budget owners, and decision-makers. ✍️ Communication More ❯

and new ideas. What You Bring ⚡ SDR Experience 1+ years quota-carrying SDR experience (SaaS, martech, or agency services) with ambition to progress to AE within a year. 📈 Research & Optimisation Mindset Obsess over prospecting, performance optimisation, and leveraging AI + data to smash targets. 🔎 List-Building Strength Skilled at identifying ICPs, budget owners, and decision-makers. ✍️ Communication More ❯

user pain points into small, impactful product enhancements. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux … to diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. Strong debugging, system design, and performance optimisation skills. A data-driven approach: you track and measure impact (e.g. MTTR, bug age). Why You’ll Love This Opportunity... High-impact work: every fix improves More ❯

user pain points into small, impactful product enhancements. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux … to diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. Strong debugging, system design, and performance optimisation skills. A data-driven approach: you track and measure impact (e.g. MTTR, bug age). Why You’ll Love This Opportunity... High-impact work: every fix improves More ❯

user pain points into small, impactful product enhancements. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux … to diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. Strong debugging, system design, and performance optimisation skills. A data-driven approach: you track and measure impact (e.g. MTTR, bug age). Why You’ll Love This Opportunity... High-impact work: every fix improves More ❯

user pain points into small, impactful product enhancements. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux … to diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. Strong debugging, system design, and performance optimisation skills. A data-driven approach: you track and measure impact (e.g. MTTR, bug age). Why You’ll Love This Opportunity... High-impact work: every fix improves More ❯

user pain points into small, impactful product enhancements. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux … to diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. Strong debugging, system design, and performance optimisation skills. A data-driven approach: you track and measure impact (e.g. MTTR, bug age). Why You’ll Love This Opportunity... High-impact work: every fix improves More ❯

to improve user experience through route cause analysis. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with modern JavaScript frameworks , a good understanding of Ruby on Rails code working with SaaS applications. Skilled with SQL … diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. S trong debugging , system design, and performance optimisation skills. Why You’ll Love This Opportunity... High-impact work: every fix improves usability for hundreds of thousands of users. Results-driven culture with short feedback loops More ❯

to improve user experience through route cause analysis. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with modern JavaScript frameworks , a good understanding of Ruby on Rails code working with SaaS applications. Skilled with SQL … diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. S trong debugging , system design, and performance optimisation skills. Why You’ll Love This Opportunity... High-impact work: every fix improves usability for hundreds of thousands of users. Results-driven culture with short feedback loops More ❯

Things to Know About this Job Influence & Impact - Take ownership of SDK architecture and play a key role in long-term product strategy. Cutting-Edge Tech - Work with high-performance imaging hardware and advanced driver integrations. Attractive Package - Competitive salary, benefits, and genuine opportunities for professional growth. The Role SDK Development & Architecture Lead the architecture, design, and implementation of … Integration Integrate, test, and maintain 3rd-party hardware drivers (e.g., USB3, CoaXPress, CameraLink) into the SDK. Develop abstraction layers and APIs to enable seamless hardware communication. Troubleshoot and optimize performance for high-throughput data interfaces. Collaborate with hardware vendors to ensure driver compatibility and long-term support. Graphical User Interface (GUI) Design & Development Design and develop intuitive basic GUIs … Qt, WPF, JavaFX, or modern web technologies (React, Angular, etc.). Solid understanding of software engineering principles: design patterns, version control, CI/CD, and automated testing. Familiarity with performance optimisation and debugging complex systems including microcode, SDK and hardware. Professional Experience 7+ years of software engineering experience, with at least 3 years in a senior or lead More ❯

paced product team delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy … deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application performance optimisation Why Apply? Outside IR35, long-term contract with genuine extension potential High-value project Opportunity to influence software adoption at global scale Flexibility to work remotely within More ❯

paced product team delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy … deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application performance optimisation Why Apply? Outside IR35, long-term contract with genuine extension potential High-value project Opportunity to influence software adoption at global scale Flexibility to work remotely within More ❯

paced product team delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy … deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application performance optimisation Why Apply? Outside IR35, long-term contract with genuine extension potential High-value project Opportunity to influence software adoption at global scale Flexibility to work remotely within More ❯

accessible, and high-performing site in Webflow, translating designs from Figma into polished web experiences. You’ll manage Webflow’s CMS, implement animations and interactions, optimise for SEO and performance, and collaborate closely with brand and marketing teams to ensure a seamless and engaging digital journey for users. If you’re someone who thrives in a creative yet structured … concepts to life Working knowledge of HTML, CSS, and JavaScript for custom tweaks and integrations Understanding of UX/UI best practices, accessibility, and responsive design Awareness of SEO, performance optimisation, and API integrations Excellent organisation and time management skills, with the ability to balance multiple projects Experience within a regulated or financial services environment would be beneficial More ❯

accessible, and high-performing site in Webflow, translating designs from Figma into polished web experiences. You’ll manage Webflow’s CMS, implement animations and interactions, optimise for SEO and performance, and collaborate closely with brand and marketing teams to ensure a seamless and engaging digital journey for users. If you’re someone who thrives in a creative yet structured … concepts to life Working knowledge of HTML, CSS, and JavaScript for custom tweaks and integrations Understanding of UX/UI best practices, accessibility, and responsive design Awareness of SEO, performance optimisation, and API integrations Excellent organisation and time management skills, with the ability to balance multiple projects Experience within a regulated or financial services environment would be beneficial More ❯

accessible, and high-performing site in Webflow, translating designs from Figma into polished web experiences. You’ll manage Webflow’s CMS, implement animations and interactions, optimise for SEO and performance, and collaborate closely with brand and marketing teams to ensure a seamless and engaging digital journey for users. If you’re someone who thrives in a creative yet structured … concepts to life Working knowledge of HTML, CSS, and JavaScript for custom tweaks and integrations Understanding of UX/UI best practices, accessibility, and responsive design Awareness of SEO, performance optimisation, and API integrations Excellent organisation and time management skills, with the ability to balance multiple projects Experience within a regulated or financial services environment would be beneficial More ❯

accessible, and high-performing site in Webflow, translating designs from Figma into polished web experiences. You’ll manage Webflow’s CMS, implement animations and interactions, optimise for SEO and performance, and collaborate closely with brand and marketing teams to ensure a seamless and engaging digital journey for users. If you’re someone who thrives in a creative yet structured … concepts to life Working knowledge of HTML, CSS, and JavaScript for custom tweaks and integrations Understanding of UX/UI best practices, accessibility, and responsive design Awareness of SEO, performance optimisation, and API integrations Excellent organisation and time management skills, with the ability to balance multiple projects Experience within a regulated or financial services environment would be beneficial More ❯

accessible, and high-performing site in Webflow, translating designs from Figma into polished web experiences. You’ll manage Webflow’s CMS, implement animations and interactions, optimise for SEO and performance, and collaborate closely with brand and marketing teams to ensure a seamless and engaging digital journey for users. If you’re someone who thrives in a creative yet structured … concepts to life Working knowledge of HTML, CSS, and JavaScript for custom tweaks and integrations Understanding of UX/UI best practices, accessibility, and responsive design Awareness of SEO, performance optimisation, and API integrations Excellent organisation and time management skills, with the ability to balance multiple projects Experience within a regulated or financial services environment would be beneficial More ❯

build cutting edge frontend systems for Fixed Income eTrading including Rates, Credit, and Bonds. You'll work closely with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed … Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI More ❯

build cutting edge frontend systems for Fixed Income eTrading including Rates, Credit, and Bonds. You'll work closely with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed … Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI More ❯