1 to 25 of 156 Performance Optimisation Jobs in the UK excluding London

Practices Conduct in-depth reviews of codebases to identify issues, inefficiencies, and potential security vulnerabilities. Provide recommendations on best practices, including coding standards, design patterns, and maintainability improvements. Support performance optimisation through refactoring and improved architecture. Support testing and QA process. 2. Cloud Infrastructure Support & Design Assist in designing, implementing, and optimising cloud infrastructure (predominantly Azure) Provide guidance … and provide remediation strategies. Ensure compliance with industry standards (ISO 27001, GDPR, SOC 2, etc.). Implement best practices for secure software development (OWASP, encryption, IAM, etc.). 6. Performance Optimisation & Scaling Analyse system bottlenecks and recommend performance tuning strategies. Support database optimisations, caching mechanisms, and load balancing strategies. Assist in designing auto-scaling solutions to handle More ❯

on leadership role where you'll drive engineering excellence, guide technical decisions, and support the development of reusable platforms. From mentoring developers to contributing to CI/CD and performance optimisation, you'll be instrumental in building cutting-edge digital experiences. What You'll Bring: Proven expertise in React and TypeScript, with a deep understanding of component architecture … and performance tuning Strong experience designing and delivering micro frontend solutions, including module federation and independent deployment strategies Hands-on experience with NestJS for BFF/API gateway patterns Familiarity with CI/CD practices and tooling such as Azure DevOps or GitHub Actions Solid understanding of frontend performance optimisation techniques (lazy loading, code splitting, caching) Proficiency More ❯

participating in proof-of-concepts, and supporting technologies and methodologies that align with our business objectives. Support the maintenance and enhancement of production standards by implementing observability, monitoring, and performance optimisation in your deliverables. About you Good foundation engineering skills with solid knowledge of version control (Git), automated testing, and continuous integration/delivery within container-based environments. … and experience with modern web frameworks. Good understanding of functional, component-based web development using ReactJS, NextJS, and styled components. Growing expertise in key areas such as CSS architecture, performance optimisation, or accessibility. Strong web design skills and proficiency in building mobile-first, responsive web apps using elegant CSS. An appreciation of Core Web Vitals and optimising for More ❯

and execute the product roadmap in alignment with business growth and customer needs. Identify opportunities to enhance user engagement, conversion, and operational efficiencies. Develop and implement SEO (Search Engine Optimisation), CRO (Conversion Rate Optimisation), and UX/UI strategies to improve site performance and user retention. Ensure digital assets (website, booking systems, customer portals) are optimised for … and bookings. Identify and prioritise new product features based on customer insights, market trends, and competitive analysis. Implement AI-driven personalisation and automation to enhance the customer experience. SEO & Performance Optimisation Lead technical and non-technical SEO initiatives to improve organic growth and search rankings. Work with developers to optimise site performance, page speed, and indexing. Implement … best practices for on-page and off-page SEO, link-building, and structured data. Monitor Google Analytics, HotJar, SQL, and other performance tools to track KPIs and inform decision-making. Lead a cross-functional team including UI/UX designers, analysts, front-end and back-end developers. Establish agile development and design sprint methodologies to drive fast, efficient execution. More ❯

coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with … solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. Benefits Hybrid working as More ❯

coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with … solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. Benefits Hybrid working as More ❯

using JavaScript, Node.js, or Python • Ensure secure authentication and access protocols including OAuth 2.0, OIDC, CORS , and more • Contribute to automated testing with Cypress and unit test coverage • Optimise performance, scalability, and reliability of distributed backend systems • Engage with SQL and NoSQL database systems • Monitor systems via tools like Splunk , StackDriver , and logging frameworks A successful Node.js Developer will … systems • Service Mesh technologies such as Istio • Experience with ESB/SOA , GraphQL, Gradle/Maven Nice to Have: • Knowledge of Swagger, OpenAPI 3.0, SOAP, MQ, JSON • Experience with performance optimisation and high-availability architecture • Exposure to CI/CD automation and testing frameworks Node.js Developer Key Benefits: • Competitive daily rate: £475 Inside IR35 • Hybrid working across More ❯

elite DevOps and technical teams. Responsibilities Lead the charge in architecting, deploying, and operating next-generation platform services encompassing advanced Kubernetes environments, intelligent server provisioning, and game-changing High-Performance Computing systems. Master the art of infrastructure construction through cutting-edge code-driven methodologies utilising industry-leading Terraform, Ansible, and Helm technologies. Engineer bulletproof platform frameworks that enable lightning … fast containerised workloads, distributed systems, and performance-critical trading applications that process millions of transactions. Drive innovation through standardised automation, seamless resource provisioning, and intelligent configuration oversight across multiple high-stakes operational environments. Champion collaboration with elite DevOps, development, and quantitative research teams to unlock platform capabilities and deliver game-changing project outcomes. Bridge worlds by connecting on-site … infrastructure with hybrid and public cloud platforms (Azure, AWS) to supercharge computational capacity and resource federation. Own performance excellence through advanced platform optimisation, real-time monitoring, and rapid incident resolution to maintain mission-critical system availability. Orchestrate seamless operations by coordinating infrastructure updates, security hardening, data protection, and rock-solid business continuity procedures for essential platform components. Champion More ❯

e-commerce, internal applications, and integration systems.The core technology stack is based on C#, and the ideal candidate will have a solid understanding of infrastructure, server management, system security, performance optimisation, and full-stack development. Proficiency in HTML, CSS, JavaScript, MSSQL, Postgres, RabbitMQ, and Redis is essential.This is a challenging and varied role, offering the opportunity to lead … web services and APIs* Participate in all phases of the SDLC* Analyse and debug software issues* Develop and execute data migration plans* Ensure data quality and integrity* Optimise database performance Requirements: * Proven experience in web and software development* Hands-on experience with Redis or similar caching solutions* Proficient with Git and version control systems* Familiarity with SOLR or equivalent More ❯

for a Staff Software Engineer to take on a leading role within our Magento 2 development team. You'll be a key figure in shaping the architecture, ensuring high performance across multiple websites, and guiding a skilled team of engineers. If you have deep Magento experience, a passion for clean code, and thrive in a fast-paced e-commerce … multiple web stores and application instances in a high-volume e-commerce environment. Set and maintain technical standards, conduct architectural reviews, and ensure best practices across the codebase. Drive performance improvements across frontend and backend with a focus on scalability, speed, and resilience. Support the delivery of business-critical features while maintaining high-quality code and system stability. Collaborate … pipelines and testing practices to support continuous delivery. Provide line management, coaching, and technical mentorship to a team of Magento developers. Own and drive resolution of platform-level issues (performance, technical debt, refactoring, upgrades, etc.). Optionally facilitate Scrum ceremonies (planning, stand-ups, retrospectives) and contribute to improving delivery processes. Engage in regular code reviews, architecture sessions, and technical More ❯

and support both MVC and Console apps , leveraging SQL Server and integrating with external data sources and APIs. Lead end-to-end implementations, including security, data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … the ASP.NET MVC framework .. Proficient in .NET (C#), JavaScript, Web API, SQL Server , and working knowledge of HTML, CSS, XML, JSON . Comfortable with complex data modelling and performance optimisation in large-scale MVC environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯

and support both MVC and Console apps , leveraging SQL Server and integrating with external data sources and APIs. Lead end-to-end implementations, including security, data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … the ASP.NET MVC framework .. Proficient in .NET (C#), JavaScript, Web API, SQL Server , and working knowledge of HTML, CSS, XML, JSON . Comfortable with complex data modelling and performance optimisation in large-scale MVC environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯

and support both MVC and Console apps , leveraging SQL Server and integrating with external data sources and APIs. Lead end-to-end implementations, including security, data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … the ASP.NET MVC framework .. Proficient in .NET (C#), JavaScript, Web API, SQL Server , and working knowledge of HTML, CSS, XML, JSON . Comfortable with complex data modelling and performance optimisation in large-scale MVC environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯

of working Cloud platforms such as Azure and Google Cloud Designing or contributing to solutions for a Hybrid Cloud Environment Backup/Restore and Disaster recovery processes Defect Management Performance Optimisation Technical fault-finding Level 3 & 4 Security best practises and compliance standards Mentoring Colleagues and supporting technical development of other Service design and associated methodologies Problem solving … remove barriers. Just let us know what you need. We also offer a wide-ranging benefits package, which includes A generous pension contribution of up to 15% An annual performance-related bonus Share schemes including free shares. Benefits you can adapt to your lifestyle, such as discounted shopping. 30 days' holiday, with bank holidays on top A range of More ❯

of working Cloud platforms such as Azure and Google Cloud Designing or contributing to solutions for a Hybrid Cloud Environment Backup/Restore and Disaster recovery processes Defect Management Performance Optimisation Technical fault-finding Level 3 & 4 Security best practises and compliance standards Mentoring Colleagues and supporting technical development of other Service design and associated methodologies Problem solving … remove barriers. Just let us know what you need. We also offer a wide-ranging benefits package, which includes A generous pension contribution of up to 15% An annual performance-related bonus Share schemes including free shares. Benefits you can adapt to your lifestyle, such as discounted shopping. 30 days' holiday, with bank holidays on top A range of More ❯

and enforce best practices in infrastructure as code using tools such as Terraform, Ansible, or CloudFormation. Design and implement monitoring, logging, and alerting solutions to proactively identify and resolve performance issues. Provide technical leadership in troubleshooting complex infrastructure and deployment issues. Collaborate closely with development teams to improve software delivery efficiency and reliability. Implement and uphold security best practices … Experience with observability and monitoring tools such as Datadog, Grafana, or the ELK Stack. In-depth knowledge of networking, security protocols, and firewall configurations. Experience with database management and performance optimisation strategies. Familiarity with software development methodologies, including Agile and Waterfall. Experience in incident response and disaster recovery planning. Certara bases all employment-related decision on merit, taking More ❯

development expertise using React and TypeScript. Experience building solutions using Next.js (preferred) and/or .NET Core. Solid grasp of component-based architecture, client-server integration and front-end performance optimisation. Test-driven mindset with demonstrable experience in: Unit testing (e.g. Jest, XUnit) Integration and E2E testing (e.g. Cypress) Proficient in Git and working with version control in collaborative More ❯

development expertise using React and TypeScript. Experience building solutions using Next.js (preferred) and/or .NET Core. Solid grasp of component-based architecture, client-server integration and front-end performance optimisation. Test-driven mindset with demonstrable experience in: Unit testing (e.g. Jest, XUnit) Integration and E2E testing (e.g. Cypress) Proficient in Git and working with version control in collaborative More ❯

end engineers to integrate APIs effectively, influence API design, and ensure reliable data flow, error handling, and system resilience. Maintain and enhance production standards by embedding observability, monitoring, and performance optimization in all deliverables. Promote a DevOps culture where engineers own and operate their solutions. Partner closely with product managers and designers, providing technical insights during ideation, product discovery … using frameworks such as ReactJS and NextJS. Strong understanding of component-based web development and proficiency with styled components. Specialised expertise in at least one key area: CSS architecture, performance optimisation, or accessibility. Strong capability in web design and implementation of mobile-first, responsive applications using elegant and maintainable CSS. Thorough understanding of Core Web Vitals with proven … ability to optimise for performance, interactivity, accessibility, and visual stability. Demonstrated ability to balance technical trade-offs effectively and deliver exceptional user experiences with a sharp eye for design detail. Experience mentoring and guiding peers while maintaining a hands-on role in technical delivery. Ability to work independently with minimal oversight, thriving in a startup environment that values adaptability More ❯

Responsibilities: Lead, motivate, and manage the development team as the Software Development Manager , promoting accountability and technical excellence. Oversee SDLC for .NET applications , ensuring robust coding standards, security, and performance optimization. Implement and enforce peer code reviews and unit testing frameworks. Collaborate with business stakeholders to translate requirements into technical deliverables. Manage project timelines, resources, and delivery as the More ❯

day-to-day coding, solution design, and debugging • Work across front-end (HTML, CSS, JavaScript, Razor) and back-end (.NET/C#) development • Implement best practices in code quality, performance optimisation, and security • Conduct code reviews, sprint planning, and technical estimations • Collaborate with clients to gather requirements and offer technical insight • Oversee DevOps processes including CI/CD More ❯

financial services or SaaS industry What We’re Looking For: Proven experience as a Senior or Lead Developer working with C#/.NET Solid knowledge of SQL Server and performance optimization Proficiency in JavaScript/TypeScript and front-end development Strong problem-solving skills and the ability to work autonomously in a remote setup Comfortable leading technical discussions and More ❯

to set up their environments from test to release. You will analyze the specific situation and needs, providing documented guidelines for implementation. You will advise on security standards and performance optimization. You will design, develop, and oversee the implementation of solutions that improve the stability, scalability, availability, and latency of our product. At Backbase, we focus on providing solutions More ❯

novel product features. Our products are released for use by both customers within their products and directly to the public within our own encoding workflows and players Profile and optimisation (CPU, memory bandwidth, SIMD/vectorization, threading; GPU/accelerator paths where applicable) to meet compression-ratio, latency and throughput targets. Extend and maintain existing C/C++ (C++17 … or later) codebases; refactor for reliability, portability and readability. Build automated unit, functional, and performance test suites and as a team own test and benchmarking harnesses.Collaborate in an agile environment (code reviews, design discussions, task estimating knowledge sharing and mentoring expected). Manage your deliverables we expect people to take responsibility for their deliveries but not to work in … API documents and integration guides. Qualifications: Must haves: Strong modern C++ (C++17 or later preferred) and solid C fundamentals; confident with low-level memory management, resource lifetime, templates and performance-oriented coding. Several years building and shipping production native code (typically 5+; depth matters more than exact years). Performance analysis & optimization experience using profilers/instrumentation tools More ❯

Front-End Developer to join us in our modern Loughborough office. What You'll Do Collaborate with UX/UI designers and back-end developers to create responsive, high-performance web interfaces using React.js Work on new feature development and ongoing maintenance of our in-house platforms Participate in team code reviews and agile development processes Translate business requirements … and design wireframes into clean, scalable code Help identify performance bottlenecks and debug issues across devices and browsers Stay up to date with front-end trends, frameworks, and best practices What We're Looking For 3+ years of experience in front-end development, primarily with React.js Proficiency in JavaScript (ES6+) , HTML5 , CSS3 , and responsive design Familiarity with REST APIs … and a collaborative attitude Nice to Have Experience with TypeScript, Redux, or Next.js Familiarity with UI libraries or frameworks (e.g., Material UI, Tailwind) Understanding of accessibility standards and web performance optimisation Exposure to Agile/Scrum/ShapeUp methodologies Why Join Forest Rock? Be part of an innovative team shaping the future of smart buildings and IoT Opportunities More ❯