351 to 375 of 537 Performance Optimisation Jobs in the UK

cloud infrastructure. The AWS Infrastructure Engineer will play a key role in the configuration, monitoring, and troubleshooting of cloud environments, ensuring high availability and performance for critical applications and services. Key Responsibilities: Design, deploy, and maintain scalable, secure AWS infrastructure using services like EC2, S3, VPC, RDS, IAM, CloudWatch … and CloudTrail. Automate management with AWS CLI, Bash, Python, CloudFormation, or Terraform to streamline provisioning. Continuously monitor AWS resources' health and performance using AWS tools, ensuring infrastructure is optimized for scalability, performance, and cost-efficiency. Implement AWS security best practices, including IAM, VPC security, data encryption, and compliance … tools such as Jenkins or AWS CodePipeline. If you are an experienced AWS Infrastructure Engineer with a passion for cloud infrastructure management, automation, and performance optimization, we want to hear from you 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 ❯

enterprise-scale data platforms that support advanced analytics, reporting, and data governance. Leading a team of talented engineers, you'll ensure that best practices, performance, and scalability are at the heart of everything we deliver. Key Responsibilities Leading the end-to-end implementation of data solutions, using Microsoft Fabric … and analysts to understand data needs and translate them into robust technical solutions. Mentoring and guiding a team of data engineers, fostering a high-performance, DevOps-driven culture. Driving best practices for data modelling, security, quality, and performance tuning. Managing integration with other Azure services including Azure Data … CD practices in a data engineering context. Have excellent SQL and Spark (PySpark) skills. Have obtained experience in working with large, complex datasets and performance optimization. Exhibit strong leadership and communication skills. Demonstrate previous experience in leading and mentoring a technical team. Be Microsoft Certified (Azure Data Engineer Associate More ❯

UX to viewers Familiarity with development and troubleshooting on set-top boxes or Smart TVs Experience working on a range of devices with varying performance and capabilities Experience with configuration-driven development Experience with performance optimization and feature degradation techniques • Experience creating and extending templated controls, and writing More ❯

and products. What will you be doing? As a React Developer, you'll be building and enhancing the front-end of a scalable, high-performance web platform using React.js. You'll work closely with both the back-end team (NodeJS and SQL Server) and UI/UX designers to … bring features to life, with a strong focus on performance, usability, and clean, efficient code. You'll be: Designing and developing reusable React components using modern hooks. Consuming APIs and integrating front-end components with backend data. Collaborating with cross-functional teams to deliver high-quality, scalable solutions Taking … ownership of features and assisting in architectural discussions as needed Contributing to code reviews, testing, and performance tuning What we're looking for: Hands-on experience with React.js in a commercial environment Strong understanding of JavaScript (ES6+), HTML5, CSS3, and responsive design Experience with RESTful APIs and client-server More ❯

Global Payments team (TMPayments), you'll help shape the future of Ticketmaster's next-generation, globally scalable payment platform. You will architect secure, high-performance systems, lead a cross-functional development team, and foster a culture of technical excellence and continuous improvement. With expertise in Java, Kotlin, the Spring … Provide technical guidance and hands-on support in Java, Kotlin, and Spring Boot (including Batch, Web Flow, and Cloud Gateway) Advocate for JVM tuning, performance optimization, and debugging best practices Champion AWS-native architectures using EKS, Terraform, GitLab CI, ArgoCD, and Snyk, with security and observability at the forefront … Platform Ownership & Operational Excellence Drive high availability and peak performance across the end-to-end stack Implement robust monitoring, alerting, and self-healing systems to proactively identify and resolve issues Reduce pager fatigue through intelligent auto-remediation strategies, keeping human intervention for critical scenarios only Team Leadership & Delivery Lead More ❯

Interact with upstream and downstream systems and API for data ingestion and egestion. • Build ETL pipelines and data framework for monitoring the pipeline. • Ensure performance, quality, and consistency in the data and processes. • Champion good data design practices and promote data quality. • Collaborate and contribute with data architecture, DBA … required. • Any other tasks as required. You will be experienced working with the Azure data stack, building data pipelines, data warehouses/lakes, and performance optimization. You will have strong experience in: • Microsoft Azure data stack and SQL server, ETL; SSIS and Data Factory. • Stack design and performance More ❯

to design and document Architectural Blueprints for real-world use cases. Support strategic customer engagements, helping define best practices for usage, deployment topologies, and performance optimization. Forge strong relationships with key application framework vendors: Spring , Quarkus , Micronaut , Vert.x . Platform Expertise & Technical Authority Build and maintain deep expertise in … code across the Hazelcast stack when needed (core contributions not required). Benchmarking & Industry Validation Design and execute external benchmark reports to validate Hazelcast performance and scalability for industry consumption. Ideally take ownership of the open source Hazelcast Simulator Project. Cross-functional Collaboration Work closely with internal stakeholders including … and customer needs. WHAT YOU HAVE 10+ years of experience in software architecture or senior technical roles, ideally with experience in distributed systems, high-performance computing, or data platforms. Proficiency in Java , including deep understanding of the JVM . Solid knowledge of Python for automation, analysis, or prototyping. Strong More ❯

and maintaining digital twin models and AI-driven analytics for Battery Energy Storage Systems. This role focuses on creating accurate system representations to enhance performance optimization, predictive maintenance, and real-time decision-making capabilities. The ideal candidate will have a strong background in modeling, AI/ML algorithms, control … to create systems that improve operational efficiency, predict failures, and deliver actionable insights. Key Responsibilities: Develop and implement machine learning models to optimize BESS performance, including charge/discharge cycles, thermal management, and lifecycle predictions. Create predictive maintenance algorithms to enhance system reliability and minimize downtime. Analyze IoT sensor More ❯

NLP components leveraging large language models (LLMs) to solve real-world challenges in text and speech analysis, focusing on data integration, evaluation, deployment, and performance optimization. Collaborate with a team of AI experts, full stack engineers, and product managers to integrate AI solutions into scalable cloud-based applications, ensuring … quality, reliable, and efficient code. Enhance Scalability and Observability : Optimize NLP solutions to be more scalable, observable, and resilient, with a focus on improving performance and monitoring in production environments. Stakeholder Communication : Serve as the main point of contact for stakeholders and clients regarding NLP components of projects, clearly More ❯

resilience Collaborate with the Product team to break down features into well-defined tasks, provide technical feedback, and align development with business goals Optimize performance and scalability of back-end services Implement best practices for security, authentication, and authorization Collaborate in the replatforming effort, contributing to architectural decisions and … React.js and ability to collaborate with front-end engineers Experience with debugging, monitoring, and supporting production applications Knowledge of scalable architecture, caching strategies, and performance optimization Strong problem-solving skills and ability to work in a fast-paced, agile environment Proactive mindset, with the ability to share feedback, raise More ❯

profit organisations worldwide. Our teams are located internationally, with a global presence spanning 11 countries. We embody a culture of collaboration, innovation and high-performance, relentlessly pushing the boundaries of fintech innovation to make a meaningful impact on a global scale. About the role Paydock is seeking a Database … Performance Engineer to join our remote global team. As a valued member of the team, you'll report directly to the Engineering Lead, and work closely within the Engineering team to deliver by ensuring optimal performance of our databases, supporting and auditing developer code for high performance … infrastructure for our database systems. Don't miss out on this incredible opportunity to take your career to new heights with Paydock! Responsibilities Data Performance Engineer will have the following responsibilities and duties: Database Performance Optimization: Monitor and optimise the performance of MongoDB and PostgreSQL databases. Implement More ❯

optimization within Unreal Engine. Exposure to working on AWS or Google Cloud Platform. Extensive experience with real-time rendering, data-driven design, and high-performance applications. Responsibilities: Performance Optimization: Own the performance optimization process across both visual quality and runtime efficiency, addressing bottlenecks to maintain high-quality More ❯

UX to viewers Familiarity with development and troubleshooting on set-top boxes or Smart TVs Experience working on a range of devices with varying performance and capabilities Experience with configuration-driven development Experience with performance optimization and feature degradation techniques Experience creating and extending templated controls, and writing More ❯

UX to viewers Familiarity with development and troubleshooting on set-top boxes or Smart TVs Experience working on a range of devices with varying performance and capabilities Experience with configuration-driven development Experience with performance optimization and feature degradation techniques Experience creating and extending templated controls, and writing More ❯

and Compliance: Implement robust security measures, including encryption, access controls, and identity management, to safeguard data and ensure compliance with industry standards and regulations. Performance Optimization: Monitor and fine-tune AWS environments for optimal performance, scalability, and cost-efficiency, employing auto-scaling and resource optimization techniques. Disaster Recovery More ❯

business functions across the firm. This is a business-critical role, working closely with Risk, Finance, Trading, and Business Solutions teams to build high-performance data models and pipelines that drive decision-making at scale. This role will offer continuous exposure to Portfolio Managers, Risk & Portfolio Research teams, Product … production processes, including daily T+1 and month-end P&L workflows. Stay ahead of database technologies and continuously evaluate new data ingestion methods and performance optimizations. Provide on-call coverage for critical services, particularly in Asian trading hours when required. Train & mentor other developers in data engineering best practices. … datasets. 5+ years of experience working with P&L reporting, financial analytics, or similar data-driven workflows in a financial institution. Experience with database performance tuning, query optimization, and data pipeline automation. A deep understanding of financial markets, trading workflows, and risk analytics is highly beneficial. Ability to work More ❯

business functions across the firm. This is a business-critical role, working closely with Risk, Finance, Trading, and Business Solutions teams to build high-performance data models and pipelines that drive decision-making at scale. This role will offer continuous exposure to Portfolio Managers, Risk & Portfolio Research teams, Product … production processes, including daily T+1 and month-end P&L workflows. Stay ahead of database technologies and continuously evaluate new data ingestion methods and performance optimizations. Provide on-call coverage for critical services, particularly in Asian trading hours when required. Train & mentor other developers in data engineering best practices. … datasets. 5+ years of experience working with P&L reporting, financial analytics, or similar data-driven workflows in a financial institution. Experience with database performance tuning, query optimization, and data pipeline automation. A deep understanding of financial markets, trading workflows, and risk analytics is highly beneficial. Ability to work More ❯

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 ❯

Phoenix Business Services UK Industry: Digital Agency/Web Development About Us: Phoenix Business Services UK partners with leading digital agencies to deliver high-performance development solutions. We are seeking a talented Front-End Focussed Full Stack PHP Developer to join our remote team and work on exciting projects … and maintaining modern, user-centric web applications. Youll work across both front-end and back-end stacks, with a strong emphasis on front-end performance, UX/UI, and responsive design. You'll collaborate closely with designers, project managers, and backend developers to deliver robust digital experiences. Key Responsibilities … with back-end PHP systems (Laravel or similar) to integrate APIs, business logic, and databases Maintain and update existing websites and applications Optimize web performance, load speeds, and accessibility Collaborate with cross-functional teams in an agile environment Participate in code reviews and contribute to development standards and best 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 ❯

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 ❯

and enhancing innovative mobile experiences for our enterprise-grade SaaS platforms. You'll focus on front-end development, primarily using React Native, ensuring exceptional performance, seamless user interfaces, and a robust technical foundation. You'll collaborate with cross-functional teams, including Delivery Managers, Product Managers, and Senior Engineers, while … Looking For Essentials Strong expertise in building mobile applications with React Native , including experience with Expo or bare workflow. Solid understanding of mobile architecture, performance optimization, and app deployment to both iOS and Android. Familiarity with TypeScript, Redux, and REST/GraphQL APIs. Experience working with third-party libraries More ❯