1 to 25 of 308 Performance Optimisation Jobs in England

Developer Frontend Development, Web Performance, Accessibility, CMS Salary £40-50k Hybrid working - Chester Strong progression and learning opportunities Who We Are We are a technology-driven organisation building and maintaining modern, cloud-based web platforms that support both internal teams and external users. Web development plays a critical … experiences. Working closely with IT, product, and business stakeholders, our web team focuses on building high-quality, maintainable websites that follow best practice in performance, security, and accessibility. As our platforms continue to evolve, we're looking for a skilled Web Developer to help design, build, and improve ...

that power enterprise-grade SaaS and analytics solutions, primarily within the insurance domain. Working in an agile, cloud-first environment, you will develop high-performance microservices, optimise database performance, implement robust security protocols, and contribute to architectural decisions that support scalable, resilient systems. This role offers the opportunity … third-party integrations Develop microservices aligned to modern architecture patterns Implement business logic, validation layers and data processing components Ensure optimal database performance across relational and non-relational systems Implement modern authentication and authorisation frameworks including OAuth2, SAML and JWT Develop secure, testable and reusable code aligned to best ...

chance to build something category-defining, this could be your role. About the company This business is a truth-first ad measurement and performance optimisation platform built for performance marketers who need attribution they can trust and act on. The platform connects ad platform APIs with first … They are already working with impressive early-stage logos across financial services (including global trading platforms and crypto exchanges), ecommerce, and telco. Measurement and performance optimisation is an evergreen, global problem now being reshaped by AI and the founders are building toward market leadership. About the role ...

shared component library. Integrate front-end components with CMS-driven content and configuration. Consume APIs from the headless CMS and microservices. Ensure high performance, accessibility, responsiveness, and cross-browser compatibility. CMS & Component Integration Collaborate with CMS developers to ensure components are correctly structured in Payload CMS. Implement dynamic rendering … first environment hosted in AWS. Work within containerised environments deployed to Kubernetes. Support CI/CD practices and participate in deployment workflows. Contribute to performance optimisation and observability initiatives. Required Skills & Experience Essential Strong experience with Vue.js and Nuxt.js Experience working with headless CMS platforms (ideally Payload ...

would be beneficial. Key Responsibilities: Lead front-end development across LibertyLondon.com (Salesforce Commerce Cloud) and the Fabrics site (WordPress), ensuring high standards of quality, performance, and maintainability. Translate design systems, wireframes, and high-fidelity designs into robust, scalable, and accessible front-end solutions. Own and influence front-end architectural … discovery and planning process. Design, build, and deploy MVT and A/B complex experiments using Dynamic Yield, collaborating with analytics and optimisation teams to improve conversion and usability. Support HTML email development, ensuring consistency, accessibility, and responsiveness across clients and devices. Champion front-end best practices, including performance ...

looking for a C++ Trading Platform Developer to join its London-based team. This is an opportunity to work at the intersection of high-performance engineering and digital asset markets, building and scaling a global trading platform that operates across dozens of exchanges worldwide. The environment combines the technical … platform spanning multiple continents, covering: Real-time market data capture Order entry and connectivity across numerous exchanges Robust networking and monitoring systems Scaling and performance optimisation of core infrastructure The tech stack is primarily C++ and Python, running on Linux across both development and production. The focus ...

line with interoperability and governance requirements. As priorities evolve, the postholder will work across areas such as system integration, platform development, pipeline optimisation and the enhancement of organisational data assets. This flexible approach ensures specialist engineering capability is deployed where it delivers the greatest benefit, supporting programme delivery … automation tools to streamline data processes. The EPR Data Engineer will provide technical support during testing phases, troubleshoot data-related issues, and contribute to performance optimisation of the EPR system. Compliance and Security The postholder will ensure that all data handling activities comply with NHS information governance standards ...

ongoing professional development, architectural guidance, and opportunities to broaden your leadership impact. As a Technical Lead, you will oversee the design, implementation, and optimisation of advanced C++ solutions, ensuring our systems remain robust, scalable, and aligned with best-in-class engineering practices. You will work closely with cross-functional … refine architectures, drive technical decision-making, and unblock complex engineering challenges. Alongside hands-on technical oversight, you will champion engineering excellence across code quality, performance, security, and maintainability, while supporting and developing the next generation of engineers through structured coaching and collaboration. At Microlise, we recognise the importance ...

architecture, develop scalable analytics solutions, and stay hands-on. Responsibilities include delivering Fabric solutions (OneLake, Lakehouse, Warehouses, Power BI), leading architecture and performance optimisation, and enabling advanced analytics and machine learning with Fabric and Azure ML. Key skills and responsibilities: Design and deliver scalable, secure … data modelling, DAX, Python/PySpark, SQL/KQL. Proven record of technical leadership and effective stakeholder engagement. Lead architectural design, capacity planning, and performance optimisation efforts. Implement governance, security, and DevOps best practices. Lead a small team of data engineers and contribute to the development ...

Doing Hands-on development using SQL, DBT, and Snowflake Implementing, refactoring, and optimising Snowflake data models Creating and maintaining data assets, ensuring performance, quality, and reliability Updating consumers and reviewing code to maintain standards Working within structured project tracking tools (Asana/Jira) Delivering approximately 50 refactorings/migrations … Strong experience in SQL, DBT, and Snowflake Familiarity with dimensional modelling (Kimball methodology preferred) Understanding of building models for large stakeholder groups Experience with performance optimisation, data quality, and query/resource efficiency Comfortable working in a collaborative, fast-moving environment with a growth mindset Experience with startups ...

Translate design concepts into responsive, pixel-accurate builds Implement structured content using Advanced Custom Fields (ACF) Support WooCommerce, MemberPress and other plugin-based functionality Performance, Quality & Optimisation Ensure websites are fast, secure, accessible and SEO-friendly Manage updates, performance optimisation and overall site health Test across … development of basic web-based applications, tools or integrations Work with databases (MySQL) and APIs at a foundational level Follow best practices for security, performance and maintainability Digital Marketing & Content Support Assist with Google Ads and META (Facebook/Instagram) advertising campaigns Help build and send email newsletters ...

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 … 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. ...

Delivery Design and deploy targeted campaigns using Email Studio and Automation Studio Support national marketing initiatives and regional campaigns Ensure brand consistency and campaign performance optimisation Data & Platform Management Manage data extensions, segmentation logic and subscriber management Work closely with Salesforce Sales Cloud stakeholders to maintain data accuracy … Monitor and resolve data sync or integration issues Insights & Performance Build dashboards and performance reporting Analyse journey performance, engagement and conversion metrics Provide actionable recommendations to improve campaign performance Governance & Best Practice Establish Marketing Cloud processes and documentation Support GDPR-compliant marketing activity Help train internal ...

mobile, and frontend teams. What You’ll Work On Designing and improving backend services that power web + mobile applications Building and maintaining high‐performance APIs and distributed microservices Solving problems around scalability, reliability, security, and automation Working with modern API protocols including GraphQL and gRPC Enhancing the platform … Building APIs for high‐scale consumer or B2B products Working with message queues like Kafka, RabbitMQ, NSQ, or Pulsar Integrating external APIs/services Performance optimisation & working under performance budgets Interest or experience in cryptocurrencies, Web3, or digital assets Open‐source contributions or tech blogs/talks ...

highly performant, accessible, and intuitive user experience for AI-driven tooling, including real-time streaming interfaces and interactive data visualisations Lead the configuration and optimisation of Azure cloud environments, establishing robust CI/CD pipelines with GitHub Actions or Azure DevOps, and ensuring cost-optimised use of Azure … such as FastAPI, Pydantic, and async patterns Strong proficiency in TypeScript and React for building production-grade frontends, with solid understanding of state management, performance optimisation, and modern component architectures Deep practical knowledge of integrating and scaling LLM features in production environments, including managing token limits, latency budgets ...

/React frontend, ensuring a highly performant, accessible, and intuitive user experience, including real-time interfaces and interactive data visualisations Lead the configuration and optimisation of Azure cloud environments, establishing robust CI/CD pipelines with GitHub Actions or Azure DevOps, and ensuring cost-optimised use of Azure services … such as FastAPI, Pydantic, and async patterns Strong proficiency in TypeScript and React for building production-grade frontends, with solid understanding of state management, performance optimisation, and modern component architectures Solid database skills including relational (PostgreSQL, SQL Server) and NoSQL (Cosmos DB, Redis) with experience in query optimisation ...

coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points For Experience in microservices architecture ...

React and Next.js Ensure smooth integration between backend APIs and frontend components Integrate third-party APIs and internal services Apply best practices for security, performance, reliability, SEO, and accessibility Write clean, testable code with strong unit and integration test coverage (e.g. Jest, Cypress) Architecture & Technical Leadership Contribute to system … with React and Next.js Advanced proficiency in JavaScript and TypeScript Strong backend experience with NestJS and Node.js Hands-on experience with MySQL (schema design, performance tuning, indexing, migrations) Experience building RESTful and/or GraphQL APIs Experience with ORM frameworks such as TypeORM or Prisma Familiarity with Docker ...

Error Rate (CER) and Word Error Rate (WER) Proficiency in Python and ML frameworks (e.g., TensorFlow, PyTorch) Understanding of ML architectures, hyperparameter tuning, and performance optimisation Experience with MLOps tools and CI/CD pipelines Familiarity with data engineering concepts (ETL, data pipelines, SQL) Ability to analyse complex ...

integrations between marketing tools, and configure workflows Set up and optimise Adobe Experience Manager, Adobe Campaign and other Adobe marketing tools for best performance Ensure MarTech stack security, compliance, scalability, and performance optimisation Work with Piwik Pro and other analytics tools to configure tracking, reporting and marketing … insights Use Cloudflare to improve security and performance of marketing web properties Work closely with business analysts, developers, and IT security to ensure the solution meets business needs Required Skills and Experience: Strong experience with AEM and Adobe Campaign Proficiency in Java, JavaScript, React, HTML, CSS, and working with ...

research datasets Collaborate with scientists, bioinformaticians, and data teams to translate research needs into software solutions Contribute to cloud infrastructure, system architecture, and performance optimisation Ensure high-quality code, testing, and CI/CD best practices Mentor junior engineers and support technical decision-making Required Skills & Experience Strong ...

best practice at scale Drive content strategy with a focus on high-intent, technical and product-led content Conduct keyword research, content briefs, and performance optimisation Monitor performance, report on impact, and iterate based on data What we’re looking for Proven experience as an SEO Manager ...

have experience in this tech stack Strong programming skills in C# and .NET or Java/Python Experience with SQL databases and writing high-performance queries Hands-on experience with cloud platforms such as Azure or AWS including AI services Exposure to modern development practices including automated testing … highly desirable but not required Experience in financial services or capital markets Knowledge of AI, machine learning models, or distributed systems Experience with performance optimisation, scalability, or low-latency systems Background in regulated or security-focused environments Benefits Generous performance-based bonus of up to 20 percent ...

implementation of projects or features of moderate to high complexity. Write production-quality, well-tested, maintainable code aligned with engineering standards. Ensure reliability, performance, security, and scalability across systems and platforms. Drive investigation and resolution of complex technical issues across the stack. Contribute to and lead technical projects spanning … practices. Support security and regulatory compliance (e.g., ISO27001, PCI where applicable). Adhere to secure coding and operational best practices. Ensure systems meet reliability, performance, and quality standards. Key Skills & Attributes: Core expectations Significant experience as a Senior Software Engineer or equivalent. Deep expertise in at least ...

experience with data analytics, visualization, and database systems. Solid understanding of power system modelling, techno-economic simulation, and energy systems. Strong debugging, profiling, and performance optimization skills. Excellent communication and documentation abilities. Experience using Pyomo, AMPL, Gurobi, CPLEX, or similar optimization tools. Working knowledge of containerization and cloud-native ...