51 to 75 of 298 Performance Optimisation Jobs in the UK

Technical Leadership Lead the design and implementation of key features and components of our React Native mobile application. Make informed technical decisions that improve performance, reliability, and scalability. Participate in architectural discussions and help shape the technical direction of mobile applications. Provide support and unblock engineers during development, testing … standards are upheld. Help foster a healthy engineering culture based on learning, knowledge sharing, and accountability. Engineering Quality Champion strong testing, code quality, and performance practices. Knowledge of best practices in security, performance and accessibility Identify areas for improvement within the codebase and contribute to long-term maintenance ...

Dynamics 365, SharePoint Online, and Gov.UK Pay (or other payment providers, secure payment gateway integration). Required Skills & Qualifications: Strong experience in UI development, performance optimisation, and accessibility. Proficient in React and Next.js for front-end development. Experienced in .NET (C#) for back-end development. Familiarity with Azure ...

highly user focused and successful digital services ensuring governance standards are defined and adhered to. Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Proactively investigate problems and opportunities in existing processes, evaluating and communicating findings and recommendations to stakeholders ...

decisions. Experience Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture, including Docker , Helm , Kubernetes . ...

/CD best practice. Partner with analysts and data scientists to deliver performant and reliable datasets. Implement data quality monitoring, validation processes, and performance optimisation. Support AI initiatives by designing AI marts, feature engineering structures, and ML-ready datasets. Contribute to standardised KPIs, metadata, and a single source ...

evolution of the data platform in line with changing business needs and emerging technologies. Drive continuous improvement across data engineering practices to enhance scalability, performance, and maintainability. Implement data observability and monitoring to ensure pipeline health and early issue detection. Manage metadata and lineage tracking to improve transparency, governance … cloud environment. Develop and maintain CI/CD pipelines for data engineering to support rapid deployment and version control. Optimise ETL processes for performance and reliability, integrating both structured and unstructured data sources. Monitor and troubleshoot data workflows, resolving issues promptly to minimise impact to the business. Provide technical ...

deliver new features focused on accessibility, usability and performance. Maintain and enhance existing codebases, including bug fixes, refactoring and new feature development. Optimise frontend performance and ensure consistent, accessible user experiences. Essential Skills & Experience 3+ years' experience with a modern JavaScript framework (ideally Vue.js). Strong understanding of frontend … CSS3, Flexbox and Grid. Proficient with Git and version control workflows. Ability to translate design mockups into clean, responsive interfaces. Understanding of accessibility and performance optimisation best practices. Confident using browser dev tools for debugging. Comfortable working in an Agile environment. Strong organisational skills and ability to manage ...

experience with AWS services (S3, Glue, Lambda) and Databricks. Solid understanding of financial market data, particularly time-series. Knowledge of data quality frameworks and performance optimisation techniques. Degree in Computer Science, Engineering, or related field. Preferred Skills SQL and relational database design experience. Exposure to quantitative finance … trading environments. Familiarity with containerisation and orchestration (Docker, Kubernetes). What We Offer Competitive compensation and performance-based bonus. Hybrid working model: 2 days per week on-site in London. Opportunity to work on mission-critical data systems for a global hedge fund. Collaborative, high-performance culture with ...

team of engineers Align DevOps capabilities with the wider business Champion DevEx, reliability, and security Embed operational excellence and incident response Promote observability and performance optimisation Lead DevOps Engineer Requirements Proven line management experience Cloud-native expertise (any cloud provider is fine: GCP, AWS or Azure) Knowledge ...

formulas and strong understanding of Power Query. Programming Skills: Requires strong Python/PySpark for data manipulation, analysis, and automation, alongside advanced T-SQL. Performance Optimisation: Experience of monitoring, troubleshooting, and optimising data pipeline and storage performance within Microsoft Fabric. Team Collaboration: Ability to communicate technical concepts ...

formulas and strong understanding of Power Query. Programming Skills: Requires strong Python/PySpark for data manipulation, analysis, and automation, alongside advanced T-SQL. Performance Optimisation: Experience of monitoring, troubleshooting, and optimising data pipeline and storage performance within Microsoft Fabric. Team Collaboration: Ability to communicate technical concepts ...

join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role in shaping the UI across both … design system. The team values engineers who are curious, collaborative, and eager to explore new ways of solving complex challenges, whether that's improving performance, enhancing accessibility, or leveraging tools like Storybook, Vite, and cutting-edge AI workflows. As a senior engineer, you'll help define the future ...

driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such as Kafka and ActiveMQ, with … Site Reliability Engineer SRE (or similar) with a Java software engineering background and a deep knowledge of JVM internals and performance tuning You have a strong knowledge of Site Reliability Engineering and how to build scalable solutions to improve reliability, productivity and efficiency You have strong experience with message ...

driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such as Kafka and ActiveMQ, with … Site Reliability Engineer SRE (or similar) with a Java software engineering background and a deep knowledge of JVM internals and performance tuning You have a strong knowledge of Site Reliability Engineering and how to build scalable solutions to improve reliability, productivity and efficiency You have strong experience with message ...

Developer – SaaS – Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They … maintain a reusable component library and manage CSS architecture, responsive layouts, and theming. • Ensure accessibility and semantic HTML standards are met. • Optimise front-end performance, applying modern best practices. • Implement client-side authentication flows and manage secure sessions. • Write and maintain front-end tests covering key user journeys. ...

Lead - Up to £55,000 - Hybrid - Leeds We're looking for an experienced Shopify Tech Lead to join a growing digital team delivering high-performance ecommerce solutions. This is a hands-on leadership role where you'll own Shopify projects end-to-end while mentoring developers and frontend best … technical authority on Shopify, providing guidance, code reviews and mentorship Collaborate closely with branding, QA and Project Management Drive standards, tooling and performance optimisation across projects What You'll Bring Strong commercial experience working with Shopify at a senior or lead level Expert knowledge of Shopify Liquid, HTML ...

smooth migration. VMware & Pure Storage Integration Design OpenShift deployments integrated with VMware virtualisation environments. Leverage VMware tools (vSphere, vCenter, NSX) to optimise cluster performance and interoperability. Configure and manage Pure Storage solutions (FlashArray, FlashBlade) to support OpenShift workloads. Ensure compatibility, performance optimisation, and operational efficiency across platforms. ...

environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge ...

environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge ...

data-driven guest experiences from the ground up. What you'll be doing: Set the technical vision and architectural direction for frontend systems, ensuring performance, scalability, and maintainability across complex products. Lead design and delivery of modern, component-based web applications built with TypeScript, React, and Redux, integrating seamlessly … software development, including experience in a lead or principal engineering capacity. Deep expertise in React, TypeScript, and modern frontend architecture (state management, component design, performance optimisation). Strong understanding of cloud-based infrastructures (GCP, AWS, or Azure) and how frontend systems integrate with distributed backends. Proven ability ...

Supporting cloud-ready services using containerisation and AKS What we're looking for: Strong experience with C# and .NET Core Solid SQL Server and performance optimisation skills Experience with Entity Framework Core and/or Dapper Background in API-driven or SaaS environments Exposure to Docker/Kubernetes ...

technology decisions across the product suite. What Youll Bring Expert-level experience in React, TypeScript, and modern JavaScript frameworks. Strong understanding of API integration, performance optimisation, and modern UI engineering. Solid grasp of cloud-based development (preferably Azure) and familiarity with DevOps pipelines (e.g., GitHub Actions). Exposure ...

distributed systems, job queues, and microservice architectures. Hands-on experience with both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB). Strong debugging and performance optimisation skills. Ability to write clean, maintainable, and well-documented code. Preferred Qualifications: Experience working with logistics, shipping APIs, or supply chain systems. Familiarity ...

including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

Strong experience with Python-based data engineering and SQL. Background in software engineering with experience running systems in production. Knowledge of observability, monitoring, and performance optimisation. Experience with cloud data platforms (Azure preferred). Exposure to streaming and event-driven data pipelines is advantageous. Ability to work independently without ...