351 to 375 of 518 Performance Optimisation Jobs in England

vulnerabilities. Unauthorized access and data breaches. Implement proper encryption for sensitive data (e.g., passwords, payment details). Handle user sessions and authentication securely. 5. Performance Optimization Optimize server-side code to minimize response times. Use caching mechanisms (e.g., Redis, Memcached) to reduce database load. Monitor server performance and More ❯

As industries race to embrace AI, traditional database solutions fall short of rising demands for versatility, performance, and affordability. Couchbase is leading the way with Capella, the developer data platform for critical applications in our AI world. By uniting transactional, analytical, mobile, and AI workloads into a seamless, fully … managed solution, Couchbase empowers developers and enterprises to build and scale applications with unmatched flexibility, performance, and cost-efficiency-from cloud to edge. Trusted by over 30% of the Fortune 100, Couchbase is unlocking innovation, accelerating AI transformation, and redefining customer experiences. Come join our mission. Role Overview: We … experience in building user interfaces for web applications. Proficiency in front-end technologies such as TypeScript, Tailwind, React, and Angular Solid knowledge of web performance optimization techniques and best practices. Ability to rapidly learn and apply emerging technologies, with a proven track record of developing effective proof-of-concepts More ❯

mission-critical services. Drive process and service improvements, and improve day-to-day operational efficiency. Investigate and recommend approaches and systems that meet quality, performance and sustainability criteria Create operational run-books for events and services. You'll lead them to create and efficiently use tools and processes to … for the large-scale distributed systems. As a manager of managers, you will be accountable for devising 3YP and yearly goals for your org, performance management of your teams, and ensure customer centric approach in the deliverables. You should be able to clearly articulate, through data, productivity gains achieved. … related field • Experience in transportation or logistics technology • Knowledge of CI/CD practices and Operations principles • Strong understanding of microservices architecture • Experience with performance optimization and scaling distributed systems • Track record of building and managing shared services platforms • Experience with Agile methodologies and practices Our inclusive culture empowers More ❯

People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing is universally true of the people of Accenture: We care deeply about what … with cloud automation tools (e.g., AWS CloudFormation, Terraform) to provision and manage infrastructure as code efficiently. You should have a deep understanding of system performance optimization for cloud environments (AWS, Azure, GCP). You should have a deep understanding of cloud security best practices, including identity and access management More ❯

technical responsibility for all stages of software development, providing advice and guidance with direction from the Head of Technology. Define and implement strategies for performance optimization, such as edge caching, considering usability and support. Lead the resolution of high-priority issues promptly and effectively. Programming Excellence Read, edit, and … reviews, provide feedback, and refactor code for quality improvements. Unit Testing and TDD Develop and execute unit tests, work with TDD and BDD methodologies. Performance and Caching Prioritize performance, monitor and debug issues, and mentor in best practices. DevOps and Version Control Proficient with Git, handle conflicts, releases More ❯

shopping apps, driving innovation and enhancing user experience. Key Tech Stack: Front-End: HTML5, CSS, JavaScript, AngularJS, jQuery Mobile App Development: Apache Cordova, Ionic Performance Optimization: Lazy loading, caching, code splitting Back-End Integration: Microsoft ASP, .NET Digital Marketing Tech: Adobe Launch, Adobe Analytics, Adobe Target DevOps & CI/… CD: GitLab, Jenkins, Selenium Key Responsibilities: Develop and maintain high-performance, responsive e-commerce websites and apps. Optimise front-end performance for fast load times and seamless UX. Collaborate with UX, back-end, and digital teams to deliver cutting-edge solutions. Implement security best practices (CSRF, XSS, CORS More ❯

As our eCommerce Manager, you'll be the driving force behind the performance and growth of our D2C online store. You'll lead the day-to-day operations of our Shopify Plus site, ensuring all digital campaigns, content updates, and customer experiences are executed flawlessly. This role combines creative … brand storytelling with analytical performance optimisation-and is ideal for someone who's passionate about beauty, skincare, or lifestyle brands. You'll play a pivotal role in maximising existing traffic, improving conversion rates, and building customer loyalty to reduce long-term reliance on acquisition. You'll optimise everything … from UX and checkout flow to email marketing and product pages-while working closely with performance and creative teams to ensure every campaign converts. Tasks Own the eCommerce campaign calendar, ensuring all onsite activity aligns with broader marketing plans and brand initiatives. Manage product uploads, landing pages, banners, and More ❯

TypeScript/React Developer – High-Performance Trading Platform Take ownership of automating and scaling a platform that is critical to the success of a cutting-edge high-frequency trading system, handling immense data volumes at extreme speeds. This is an opportunity to work at the forefront of Quantitative Investment … ensuring the seamless operation of complex trading systems. Additionally, you will have the opportunity to work with Rust and Python, contributing to backend and performance-critical components. What You’ll Be Doing: Developing and optimizing web-based applications and services for high-frequency trading. Architecting and automating critical systems … TypeScript, while also integrating with Rust and Python-based systems. What You’ll Need: Strong proficiency in TypeScript and React for building scalable, high-performance applications. Experience working on real-time, data-intensive applications. An interest in performance optimization, automation, and large-scale system architecture. Familiarity with Rust More ❯

TypeScript/React Developer – High-Performance Trading Platform Take ownership of automating and scaling a platform that is critical to the success of a cutting-edge high-frequency trading system, handling immense data volumes at extreme speeds. This is an opportunity to work at the forefront of Quantitative Investment … ensuring the seamless operation of complex trading systems. Additionally, you will have the opportunity to work with Rust and Python, contributing to backend and performance-critical components. What You’ll Be Doing: Developing and optimizing web-based applications and services for high-frequency trading. Architecting and automating critical systems … TypeScript, while also integrating with Rust and Python-based systems. What You’ll Need: Strong proficiency in TypeScript and React for building scalable, high-performance applications. Experience working on real-time, data-intensive applications. An interest in performance optimization, automation, and large-scale system architecture. Familiarity with Rust More ❯

Senior C++ Software Engineer Up to £140,000 base + 50% bonus Exciting Role in Cutting-Edge Financial Data Technology Innovating High-Performance Data Storage in Finance I’m working with a client who has developed a state-of-the-art serverless database technology that serves as the foundation … supports complex data workflows at scale. What You’ll Do and Gain As a Senior C++ Software Engineer, you will: Develop and optimize high-performance C++20 code that powers a serverless database running entirely on users’ machines, primarily utilizing AWS S3 storage, with support for Google Cloud and on … premise solutions. Focus on performance-critical areas such as algorithm efficiency, multi-threading, parallel processing, and network utilization. Collaborate closely with a small, agile team where engineers write their own requirements and there are no product managers, giving you direct influence over the product. Contribute to an open-source More ❯

Senior C++ Software Engineer Up to £140,000 base + 50% bonus Exciting Role in Cutting-Edge Financial Data Technology Innovating High-Performance Data Storage in Finance I’m working with a client who has developed a state-of-the-art serverless database technology that serves as the foundation … supports complex data workflows at scale. What You’ll Do and Gain As a Senior C++ Software Engineer, you will: Develop and optimize high-performance C++20 code that powers a serverless database running entirely on users’ machines, primarily utilizing AWS S3 storage, with support for Google Cloud and on … premise solutions. Focus on performance-critical areas such as algorithm efficiency, multi-threading, parallel processing, and network utilization. Collaborate closely with a small, agile team where engineers write their own requirements and there are no product managers, giving you direct influence over the product. Contribute to an open-source More ❯

Key Responsibilities: Develop high-quality applications using React, TypeScript, and Next.js. Optimise performance and security, ensuring scalability and cost efficiency. Collaborate with cross-functional teams on performance optimization, and software scalability. Familiarity with Agile methodologies and DevOps practices: Use CI/CD pipelines, Docker containers, GitHub Actions, and More ❯

UK's favourite restaurants, processes nearly £2 billion in transactions each year and employs around 40,000 people. Driving innovation, monitoring system health, resolving performance issues, and optimizing technology investments. By leveraging technical expertise, collaboration, and emerging technologies, we deliver high-quality solutions that align with strategic goals and … enable business success. Role: Software Engineer - Tooling Admin Package: Starting From £60,000 + 30% company performance bonus. Contract Type: Full-Time and Permanent Location: Holborn, London with a hybrid way of working, requiring a minimum of 3 days a week in the office. Why You'll Love It … deployment, and monitoring are effectively implemented and maintained to support the engineering workflow. Core responsibilities include: Tool Management & Configuration Access & Permissions Management Monitoring and Performance Optimization of various tools required for Digital Engineering What you'll need: Proven experience in managing software engineering tools, system administration, or DevOps-related More ❯

and client API integrations, and overall continuity of BFF (Backend for Frontend) architecture. Debug and resolve complex front-end issues, focusing on usability, speed, performance, and cross-browser/device compatibility. Participate in code reviews, ensuring adherence to front-end best CI/CD and responsive design principles. Stay … updated on the latest front-end technologies and JavaScript frameworks to continually improve the quality and performance of front-end systems. What You'll Bring: Solid experience in frontend development with a focus on React JS, React Native, and TypeScript. Experience in building and maintaining cross-platform native mobile … or similar. Experience with version control (Git) and CI/CD pipelines for front-end projects. Excellent problem-solving skills with a focus on performance optimization and delivering smooth, engaging user interfaces. Benefits: 25 days holiday, 8 bank holidays (5 flexible ones). Plus, your birthday off too! EMI More ❯

solutions. What You'll Get An opportunity to work with one of the most exciting digital-asset trading spaces Join a world class high-performance team who are building something great within the DeFi Web3 space An excellent opportunity to cross collaborate with some of the smartest individuals within … edge low-latency software solutions using Rust. Take ownership of their rapidly evolving technology ecosystem. Work closely with the wider team to build high-performance DeFi algo trading systems Build and manage the ecosystem for a variety of blockchains Utilise your deep technical skills to thrive in an algorithmic … programming with Rust Familiarity with Docker, Kubernetes and CI/CD pipelines Experienced of working on trading systems Good understanding of memory management and performance optimization. A passionate software engineering professional who has an agnostic approach to technology Passionate about the Crypto-Trading space Good working knowledge of data More ❯

solutions. What You'll Get An opportunity to work with one of the most exciting digital-asset trading spaces Join a world class high-performance team who are building something great within the DeFi Web3 space An excellent opportunity to cross collaborate with some of the smartest individuals within … edge low-latency software solutions using Rust. Take ownership of their rapidly evolving technology ecosystem. Work closely with the wider team to build high-performance DeFi algo trading systems Build and manage the ecosystem for a variety of blockchains Utilise your deep technical skills to thrive in an algorithmic … programming with Rust Familiarity with Docker, Kubernetes and CI/CD pipelines Experienced of working on trading systems Good understanding of memory management and performance optimization. A passionate software engineering professional who has an agnostic approach to technology Passionate about the Crypto-Trading space Good working knowledge of data More ❯

critical project where you’ll step into a mature environment, helping to define architectural direction and ensure best practices in data engineering, governance, and performance optimisation. Key Responsibilities Lead the architecture and design of a next-gen data platform using Databricks and Delta Lake Collaborate with stakeholders including data … standards Develop architectural artefacts (diagrams, documentation, guidelines) Provide technical leadership and mentorship to engineering teams Champion best practices in data quality, lineage, governance , and performance tuning Integrate with a wider Azure ecosystem (e.g. Azure Data Lake, Synapse, Power BI) Required Skills & Experience Proven experience as a Data Architect in More ❯

critical project where you’ll step into a mature environment, helping to define architectural direction and ensure best practices in data engineering, governance, and performance optimisation. Key Responsibilities Lead the architecture and design of a next-gen data platform using Databricks and Delta Lake Collaborate with stakeholders including data … standards Develop architectural artefacts (diagrams, documentation, guidelines) Provide technical leadership and mentorship to engineering teams Champion best practices in data quality, lineage, governance , and performance tuning Integrate with a wider Azure ecosystem (e.g. Azure Data Lake, Synapse, Power BI) Required Skills & Experience Proven experience as a Data Architect in More ❯

Develop and maintain our Shopify storefront using Liquid, HTML, CSS, and JavaScript. Collaborate with UX designers to implement responsive and intuitive designs. Optimize website performance, speed, and SEO best practices. Develop our custom Shopify theme and modify existing templates. Integrate third-party Shopify apps and APIs to enhance functionality. … skills in Shopify Liquid, HTML5, CSS3, JavaScript, and jQuery. Experience with Shopify APIs and third-party app integrations. Understanding of SEO principles and web performance optimization. Familiarity with version control systems (e.g., Git) and modern front-end frameworks (e.g., React, Vue.js) is a plus. Ability to work collaboratively in More ❯

Role: We are looking for an experienced and hands-on D365 Technical Architect to lead the design and implementation of robust, scalable, and high-performance solutions on the Microsoft Dynamics 365 platform. As a key technical authority, you will be responsible for defining architecture, guiding development teams, and ensuring … functional consultants, business stakeholders, and development teams to ensure seamless solution delivery. Provide hands-on technical leadership in custom development, data migration, integration, and performance optimization. Conduct architecture reviews, code reviews, and technical validations to ensure quality and adherence to best practices. Evaluate and recommend D365 modules, third-party More ❯

engineering decisions (modularisation, state management, testing strategy) Set and uphold quality standards through mentoring, code review, and leading by example Identify and drive frontend performance optimisations (lazy loading, bundle size, Core Web Vitals) Support improvements across the CI/CD pipeline, tooling, and developer experience Actively contribute to shaping … .NET/C# Exposure to DevOps workflows (CI/CD, containerisation, deployment pipelines) Interest or experience in mentoring, technical leadership, or architecture Familiarity with performance, security, and accessibility standards Why Apply? This is a great fit for a frontend expert who wants broader technical and strategic ownership. If you More ❯

engineering decisions (modularisation, state management, testing strategy) Set and uphold quality standards through mentoring, code review, and leading by example Identify and drive frontend performance optimisations (lazy loading, bundle size, Core Web Vitals) Support improvements across the CI/CD pipeline, tooling, and developer experience Actively contribute to shaping … .NET/C# Exposure to DevOps workflows (CI/CD, containerisation, deployment pipelines) Interest or experience in mentoring, technical leadership, or architecture Familiarity with performance, security, and accessibility standards Why Apply? This is a great fit for a frontend expert who wants broader technical and strategic ownership. If you More ❯

and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness. Mentorship & Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship, and other career-advancing … understanding of software design principles, including SOLID patterns, clean architecture, and modern methodologies. • Proficiency in implementing and evaluating architectural patterns, with strong emphasis on performance optimization and maintainable code structure. • Experience with AWS platform and/or cloud computing. • Experience with serverless architectures. • Agile development methodology expertise. Amazon is More ❯

mitigate technical debt , ensuring a balance between quick wins and long-term stability . Oversee the refactoring and modernization of legacy applications , ensuring observability, performance, and security . Collaborate with Chief Engineers and engineering teams to define best practices for ETL, data integration, and cloud adoption . Ensure engineering … tools. Strategic Thinking – Ability to drive long-term engineering strategy while delivering incremental value. Technical Debt Management – Experience identifying and remediating inefficient architectures. Observability & Performance Optimization – Familiarity with monitoring and logging tools (e.g., Datadog, Splunk, Prometheus, New Relic). Stakeholder Management – Ability to engage with senior leadership, product managers More ❯

mitigate technical debt , ensuring a balance between quick wins and long-term stability . Oversee the refactoring and modernization of legacy applications , ensuring observability, performance, and security . Collaborate with Chief Engineers and engineering teams to define best practices for ETL, data integration, and cloud adoption . Ensure engineering … tools. Strategic Thinking – Ability to drive long-term engineering strategy while delivering incremental value. Technical Debt Management – Experience identifying and remediating inefficient architectures. Observability & Performance Optimization – Familiarity with monitoring and logging tools (e.g., Datadog, Splunk, Prometheus, New Relic). Stakeholder Management – Ability to engage with senior leadership, product managers More ❯