751 to 775 of 1,694 Performance Optimisation Jobs in the UK

specific data standards & the regulatory compliance requirements relevant to life-sciences domain Experience with service offerings such as Digital Modernization Strategy, Platform, Data, and Analytics Architecture Strategy, and Tech Performance Optimization and Simplification, cloud strategy, IT transformation, and application portfolio assessment. Experience in identifying right product, utilities and tools from the market and build quick POVs for implementation/ More ❯

Social network you want to login/join with: Performance Engineer - Open Source, London col-narrow-left Client: Canonical Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 2158f9050ce6 Job Views: 16 Posted: 20.06.2025 col-wide Job Description: Canonical is a leading provider of open source software and operating systems to … interesting locations around the world, to align on strategy and execution. The company is founder led, profitable and growing. We have created a new career path at Canonical for Performance Engineers who bring exceptional clarity to software performance, correctness and efficiency. We are adding these roles to every engineering team at the company. As an open source platform … server and desktop applications, all the way to the web. We are adding roles with this focus in every engineering team in the company, to act as drivers of performance engineering skills, tools, culture and insights to our entire product range . We have also created a central performance engineering team, where we will drive shared tools, dashboarding More ❯

Introduction Wipro is looking for a Performance Test Architect/Developer to join our dynamic team. As a Performance Test Architect , you will be responsible for optimizing system performance and ensuring seamless load management across critical applications. You will collaborate with cross-functional teams to drive efficiency and enhance application reliability. About Wipro Wipro is an industry … continued growth underscores our commitment to fostering a progressive and inclusive workplace. Your Benefits Joining Wipro means being part of a forward-thinking and fast-paced environment. As a Performance Test Architect , you will receive a competitive salary, a comprehensive benefits package, training and development opportunities, up to 6% employer contributory pension, and a quarterly bonus. Your Responsibilities As … a Performance Test Architect , you will be responsible for: Developing and optimizing performance architectures with hands-on experience in development. Implementing load management strategies, including expertise in LoanIQ (Finastra). Utilizing VUGen 9.5 or greater for advanced test script development. Leveraging programming languages such as C, Java, SQL, Python, and scripting for performance optimization. Deploying monitoring and More ❯

Social network you want to login/join with: Wipro is looking for a Performance Test Architect/Developer to join our dynamic team. As a Performance Test Architect , you will be responsible for optimizing system performance and ensuring seamless load management across critical applications. You will collaborate with cross-functional teams to drive efficiency and enhance … Inclusion. Our continued growth underscores our commitment to fostering a progressive and inclusive workplace. Joining Wipro means being part of a forward-thinking and fast-paced environment. As a Performance Test Architect , you will receive a competitive salary, a comprehensive benefits package, training and development opportunities, up to 6% employer contributory pension, and a quarterly bonus. Your Responsibilities As … a Performance Test Architect , you will be responsible for: Developing and optimizing performance architectures with hands-on experience in development. Implementing load management strategies, including expertise in LoanIQ (Finastra). Utilizing VUGen 9.5 or greater for advanced test script development. Leveraging programming languages such as C, Java, SQL, Python, and scripting for performance optimization. Deploying monitoring and More ❯

Wipro is looking for a Performance Test Architect/Developer to join our dynamic team. As a Performance Test Architect , you will be responsible for optimizing system performance and ensuring seamless load management across critical applications. You will collaborate with cross-functional teams to drive efficiency and enhance application reliability. About Wipro Wipro is an industry-leading … Inclusion. Our continued growth underscores our commitment to fostering a progressive and inclusive workplace. Joining Wipro means being part of a forward-thinking and fast-paced environment. As a Performance Test Architect , you will receive a competitive salary, a comprehensive benefits package, training and development opportunities, up to 6% employer contributory pension, and a quarterly bonus. Your Responsibilities As … a Performance Test Architect , you will be responsible for: Developing and optimizing performance architectures with hands-on experience in development. Implementing load management strategies, including expertise in LoanIQ (Finastra). Utilizing VUGen 9.5 or greater for advanced test script development. Leveraging programming languages such as C, Java, SQL, Python, and scripting for performance optimization. Deploying monitoring and More ❯

platform. As a Senior DevOps Engineer, you will be at the core of our technology team, tackling complex challenges in a high-traffic environment. Your focus will be on performance optimisation, system resilience, and security. You will collaborate with engineers, influence architecture decisions, and advocate for the best tools and methodologies to drive efficiency and reliability. Key Responsibilities … Optimise and scale our global eCommerce platform to handle high-volume traffic. Proactively identify and resolve system bottlenecks, improving performance and efficiency. Implement and manage Infrastructure as Code (IaC) using Terraform. Enhance system resilience and prevent incidents before they occur. Work with AWS, focusing on Edge computing and CDN edge optimisation, particularly AWS CloudFront. Ensure security best practices … and continuous delivery practices. We are looking for: A well-organised, self-motivated problem solver with a passion for technology. Experience working with AWS and cloud infrastructure. Knowledgeable in performance optimisation, with the ability to identify and resolve bottlenecks across the stack. Proficient in Infrastructure as Code, particularly Terraform. Familiar with security fundamentals in eCommerce applications. Skilled in More ❯

a passionate Data Engineer to join a growing consultancy business at a pivotal stage of its development. This role sits at the forefront of data infrastructure design, development, and optimisation — supporting enterprise-level solutions, modern data platform projects, and consultancy-led client engagements. You’ll play a hands-on role in delivering robust, scalable data engineering solutions while advocating … Develop and maintain scalable data pipelines and integration solutions using modern cloud technologies. Identify opportunities for reuse of data flows across projects and teams. Ensure data quality, integrity, and performance optimisation throughout the data lifecycle. Design and manage metadata repositories, supporting metadata-driven ETL frameworks. Systems Integration: Ensure seamless integration between multiple data platforms and business systems. Troubleshoot … Skills Azure Data Lake (Azure Storage) Familiarity with additional database technologies such as Oracle, Cosmos DB, and MySQL Experience with BI/reporting tools like QlikSense and Tableau Database performance tuning, query optimisation, and diagnostics Cloud infrastructure knowledge (Google Cloud, AWS) Data migration projects, particularly high-performance stored procedures What They’re Looking For This role is More ❯

consultancy with clients in the corporate & public sector space is looking for an Infrastructure Engineer with strong AWS experience to spearhead their technical advancements and ensure the security and performance of their systems to their clients. This role requires a deep understanding of cloud technologies, particularly AWS and ideally Cloudflare, coupled with strong DevOps practices and a keen eye … for security. Ideally currently UK Security Cleared (SC Cleared) or have held previously. Cloud Architecture and Engineering: DevOps and Automation: Security and Compliance: Performance Optimisation: Migration and Modernisation: Cost Management: Team Leadership and Collaboration: Key Skills - Experience of with Public Sector customers Extensive hands-on experience with AWS and Cloudflare Knowledge of AWS services, including serverless environments and More ❯

infrastructure and security posture across their purchase and insights platforms. You'll step into a hands-on role and help them tackle challenges from PCI/SOC2 compliance to performance optimisation and cost-efficient migrations (including from their London DC to Frankfurt). What you'll do: Design secure, scalable AWS cloud infrastructure Terraform, CI/CD). … Lead on platform security: zero trust, key management, secure SDLC. Drive observability, performance, and reliability across the stack. Champion security and compliance (PCI DSS, SOC2, ISO 27001). Support migrations, decommissioning, and cost/performance projects. What we're looking for: 5+ years in DevOps/SRE roles with a focus on security (AWS, IAC, ECS, CI/ More ❯

infrastructure and security posture across their purchase and insights platforms. You'll step into a hands-on role and help them tackle challenges from PCI/SOC2 compliance to performance optimisation and cost-efficient migrations (including from their London DC to Frankfurt). What you'll do: Design secure, scalable AWS cloud infrastructure Terraform, CI/CD). … Lead on platform security: zero trust, key management, secure SDLC. Drive observability, performance, and reliability across the stack. Champion security and compliance (PCI DSS, SOC2, ISO 27001). Support migrations, decommissioning, and cost/performance projects. What we're looking for: 5+ years in DevOps/SRE roles with a focus on security (AWS, IAC, ECS, CI/ More ❯

for a Technical SEO Specialist to join our expert team—someone who thrives on problem-solving, loves diving deep into technical challenges, and has a passion for maximising organic performance through data-driven insights. As a Technical SEO Specialist, you will be responsible for analysing, optimising, and maintaining the technical health of our clients' websites to improve their visibility … appearance in rich results. Optimise robots.txt files, XML sitemaps, canonical tags, and meta directives to improve crawling and indexation. Ensure websites meet Core Web Vitals (CWV) and page speed optimisation benchmarks using tools like PageSpeed Insights and Lighthouse. Implement and advise on hreflang tags for international SEO to ensure correct regional/language targeting. Website Performance & Troubleshooting Work … compression, and efficient caching. Identify and resolve crawl errors, 404s, and redirect issues to maintain a clean URL structure. Ensure best practices for mobile-first indexing, optimising mobile site performance and UX. Work closely with SEO strategists, content teams, and developers to ensure technical SEO is aligned with broader search strategies. Provide guidance on website migrations, domain changes, and More ❯

for a Technical SEO Specialist to join our expert team—someone who thrives on problem-solving, loves diving deep into technical challenges, and has a passion for maximising organic performance through data-driven insights. As a Technical SEO Specialist, you will be responsible for analysing, optimising, and maintaining the technical health of our clients' websites to improve their visibility … appearance in rich results. Optimise robots.txt files, XML sitemaps, canonical tags, and meta directives to improve crawling and indexation. Ensure websites meet Core Web Vitals (CWV) and page speed optimisation benchmarks using tools like PageSpeed Insights and Lighthouse. Implement and advise on hreflang tags for international SEO to ensure correct regional/language targeting. Website Performance & Troubleshooting Work … compression, and efficient caching. Identify and resolve crawl errors, 404s, and redirect issues to maintain a clean URL structure. Ensure best practices for mobile-first indexing, optimising mobile site performance and UX. Work closely with SEO strategists, content teams, and developers to ensure technical SEO is aligned with broader search strategies. Provide guidance on website migrations, domain changes, and More ❯

strategic direction of our backend development. Role Responsibilities Lead Backend Development: Own and lead the development of critical backend components using C#, .NET Core, and related technologies, ensuring high performance, scalability, and maintainability. Technical Decision-Making: Make authoritative decisions on backend architecture, technology stack, and best practices, driving technical excellence within the team. Collaboration: Work closely with product managers … implement RESTful APIs and web services, with a strong understanding of microservices architecture. Database Management: Work with both NoSQL and relational databases, ensuring efficient data storage, retrieval, and management. Performance Optimisation: Continuously optimise backend code and system performance to meet the highest standards of efficiency and responsiveness. Security Practices: Implement and enforce security best practices in backend More ❯

an active role in enhancing the platform and engage with various stakeholders effectively. Essential Skills: Extensive knowledge of Java and all aspects of GUI development using Swing , including threading, performance optimisation, and building UI widgets. Strong experience developing distributed applications in Java. Practical experience using design patterns , with a strong understanding of when and why they should be … solid understanding of latency, concurrency, and reconciliation. Proficiency in reading, writing, and parsing XML . Strong understanding of RDBMS and experience with complex SQL , stored procedures, referential integrity, and performance tuning. Desired Skills: Business domain knowledge in FX and/or FX Options . Scripting experience with Shell, Python, Perl, or Ruby . Experience working in Front Office systems More ❯

ARM, RISC-V, s390x and POWER systems. We partner with the world's leading silicon vendors to optimise Ubuntu on their latest platforms. We integrate next-generation features and performance enhancements in Ubuntu while also ensuring a common operating experience for their users. Engineering Managers should be outstanding developers themselves. They should be completely at home reviewing a patch … or a software design spec. You will be expected to drive healthy engineering practices, documentation, quality and performance optimisations as well as lead your team to deliver high-quality design and code. An Engineering Manager is responsible for line management and career guidance. The ability to develop engineering talent, to represent your team and product from a technical perspective … virtualization, networking or graphics stacks Experience with one or more of the follow Experience with Docker/OCI containers/K8s ing technologies: confidential computing, RDMA, Infiniband and high performance computing. Performance engineering, benchmarking and profiling What we offer you We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more More ❯

Develop and maintain custom Magento 2 modules and extensions aligned with business needs Work with APIs, webhooks, and third-party integrations to ensure smooth data flow Optimise Magento backend performance (database queries, caching, load times) Troubleshoot backend issues to ensure platform stability and scalability Maintain high code quality through best practices, peer reviews, and automated testing Mentor junior developers … development, including custom module creation and system architecture Strong skills in PHP, MySQL, and Magento’s ORM Expertise with Magento API frameworks (REST and GraphQL) Experience with server-side performance optimisation (database indexing, Redis, Varnish caching) Familiarity with version control (Git) and CI/CD pipelines Strong debugging and problem-solving capabilities Experience with Elasticsearch integration for Magento More ❯

Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD pipelines and document system workflows, architecture and design decisions. Location/WFH: You can work from home from most of the … time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems) You have strong design skills and can explain full system More ❯

Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD pipelines and document system workflows, architecture and design decisions. Location/WFH: You can work from home from most of the … time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems) You have strong design skills and can explain full system More ❯

microscopes are developed and built. Responsibilities Transform theoretical concepts into practical algorithm implementations for use on Bruker Nion electron microscopes Rigorously test and refine implemented algorithms to ensure maximum performance Keep abreast of the latest scientific developments in electron microscopy, with a particular focus on computational imaging innovations Formulate new algorithm concepts, communicate these to multiple teams with diverse … with concepts in electron and conventional optics, charged particle physics, and solid-state physics Experience writing software that handles very large quantities of data A solid understanding of software performance optimisation (i.e. what makes a piece of code run fast/slow More ❯

sector. As a key member of the team, you will have the autonomy to shape the development of innovative products, working with cutting-edge technologies to deliver scalable, high-performance applications. js/React web applications hosted on Google Cloud Platform + Firebase. You will be hands-on in both frontend and backend development, contributing to the development of … new features and ensuring the performance and scalability of the applications. Full Stack Development: Design, develop, and maintain high-quality Next.js/React applications, including both frontend and backend, on Google Cloud Platform + Firebase. App Deployment: Manage app deployment and development on cloud computing platforms, including Vercel, ensuring scalability and performance. Cross-Functional Collaboration: Work closely with UI …/UX designers to ensure seamless, user-friendly interfaces and a seamless user experience. Performance Optimisation: Continuously optimise application performance and resolve technical issues as they arise. Code Quality & Mentorship: Write clean, maintainable, and reusable code while adhering to coding standards and best practices. Collaboration: Participate in all stages of the software development lifecycle, from planning and More ❯

to ensure robust and reliable user experiences, Collaborate with cross-functional teams, including product managers, designers, and backend engineers, to integrate user interfaces with backend services and APIs, Drive performance optimisation initiatives by implementing best practices in front-end development, including code splitting, lazy loading, and efficient state management, Mentor and guide junior developers, providing technical leadership and … with continuous integration/continuous deployment (CI/CD) pipelines, In-depth understanding of web accessibility standards and best practices to ensure inclusive user experiences, Proven track record of performance optimisation techniques, including code splitting, lazy loading, and minimising render times, Strong leadership skills with experience in mentoring and guiding junior developers. Benefits we offer: 23 days' holiday More ❯

for someone who understands how to model, optimize, and apply data to support better business decisions. Key Experience Required Expertise in SQL Server (approx. 75% of the role) including performance tuning, data warehousing, and reporting. Experience with AWS data services (approx. 25%), particularly RDS, S3, Lambda, EventBridge, and building data pipelines in cloud-native environments. Proven delivery of dimensional …/Kimball data models in collaboration with Data Analysts. Strong proficiency with Power BI, including performance optimisation and deployment strategies. Hands-on experience with Python for automation and data transformation (not just file handling). Understanding and experience of Data Governance frameworks and implementation. Exposure to CI/CD pipelines and source control for reports and analytics. Bonus More ❯

nationally backed organisation working on mission-critical technology to protect and modernise telecoms infrastructure! We’re hiring a Software Engineer to join a high-impact team building secure, high-performance tooling for advanced telecoms systems. This is a rare opportunity to work on real-world, large-scale challenges in cyber security, networking, and 5G - contributing to national digital resilience … line applications using modern languages Supporting the development of prototypes for secure, next-gen networks Writing clean, testable code in Python, C/C++, and similar technologies Working on performance tuning, CI/CD, and real-time systems Collaborating with a multi-disciplinary team of engineers and researchers Contributing to high-profile national R&D initiatives (And if you … and modern infrastructure Willingness to learn new technologies and contribute across the stack Clear communicator with a collaborative mindset Experience with DPDK, O-RAN, OAI or SDR Background in performance optimisation and systems engineering Exposure to cyber security or 5G development environments Must be eligible for SC clearance – no sponsorship available You’ll need long-term UK residency More ❯

join us at FairPlay and be part of something bigger... What we are looking for: We are seeking a seasoned Principal React Engineer to lead the development of high-performance, scalable, and user-centric web applications. This role demands a blend of hands-on coding expertise, architectural acumen, and leadership capabilities. You will be instrumental in setting technical direction … Key Responsibilities: Architectural Leadership: Design and implement robust frontend architectures using React.js, ensuring scalability and maintainability. Component Development: Develop and maintain reusable components and libraries to streamline development processes. Performance Optimization: Continuously monitor and enhance application performance, ensuring optimal load times and responsiveness. Collaboration: Work closely with UX/UI designers, backend engineers, and product managers to translate … days a month. Technical Expectations: Extensive experience developing complex applications using React.js, demonstrating detailed knowledge of React’s rendering lifecycle, server-side rendering (SSR), hydration processes, and optimisation strategies. Proven expertise in Node.js, particularly in creating scalable and performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands-on experience More ❯

global data and AI goals. 🛠️ Tech Stack : React, .NET, AWS 🧠 You’ll bring : Proven expertise in React and .NET in production environments Strong experience with system design, observability, and performance optimisation Great communication and stakeholder engagement skills Background in financial, payroll, or reporting systems is a bonus 💼 Contract Details Day rate : TBC Length : 6 months initially, with strong More ❯