1 to 25 of 188 Permanent Performance Optimisation Jobs in England

analytical use cases. Develop canonical, reusable datasets (curated marts) for Analytics, Actuarial, and Finance. Own the technical modelling layer in Snowflake including schema design, performance optimisation, cost control, and warehouse governance. Collaborate closely with Analytics Engineers using dbt, ensuring transformations are production-grade, tested, and fully documented. Data … feeds for analytics requirements. Partner with Data Analysts to accelerate dashboarding and advanced analytics. Collaborate with Technology teams to ensure secure, reliable platform operation. Performance, Optimisation & Cost Efficiency Optimise Snowflake/SQL/Python query performance, warehouse sizing, storage costs, and compute efficiency. Implement workload separation, time ...

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 ...

ASAP uration: 3-6 months Overview We’re supporting a fast-paced digital product company, looking for a Senior Frontend Developer to deliver high-performance, SEO-driven web applications. You’ll work across the full frontend lifecycle, building scalable, user-focused experiences and contributing to architectural decisions … modern, performance-led stack. Responsibilities Build scalable frontend applications using React (Next.js/Astro) and TypeScript Deliver high-performance, SEO-optimised experiences (Core Web Vitals, SSR/SSG, structured data) Develop clean, reusable UI components with TailwindCSS Collaborate cross-functionally with Product, Design, and Marketing teams Contribute ...

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 ...

create and optimise landing pages to support a range of digital marketing campaigns, ensuring they are conversion-focused and aligned with campaign objectives. Website Performance & Optimisation A key part of your role will involve ensuring all websites are fast, accessible, and user-friendly. You’ll take ownership … performance optimisation, ensuring sites meet modern web standards and deliver an excellent user experience. Ongoing Website Maintenance You will manage the ongoing upkeep of websites, including updating plugins, monitoring security, and ensuring all systems remain stable and up to date. You’ll troubleshoot and resolve technical issues efficiently ...

create and optimise landing pages to support a range of digital marketing campaigns, ensuring they are conversion-focused and aligned with campaign objectives. Website Performance & Optimisation A key part of your role will involve ensuring all websites are fast, accessible, and user-friendly. You’ll take ownership … performance optimisation, ensuring sites meet modern web standards and deliver an excellent user experience. Ongoing Website Maintenance You will manage the ongoing upkeep of websites, including updating plugins, monitoring security, and ensuring all systems remain stable and up to date. You’ll troubleshoot and resolve technical issues efficiently ...

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 ...

immediate Shape and improve a live data platform – help stabilise and evolve an existing Azure-based environment Work across varied challenges – from pipeline optimisation to data modelling and architectural input Be part of a collaborative, supportive team – working closely with analytics, business stakeholders, and technical peers Develop architectural exposure … pipelines Power BI and downstream analytics use cases Data modelling across warehouse/lakehouse environments Integration of multiple data sources (APIs, databases, cloud storage) Performance optimisation, data quality, and governance practices This role blends hands-on engineering with elements of data architecture , offering plenty of scope to influence ...

immediate Shape and improve a live data platform – help stabilise and evolve an existing Azure-based environment Work across varied challenges – from pipeline optimisation to data modelling and architectural input Be part of a collaborative, supportive team – working closely with analytics, business stakeholders, and technical peers Develop architectural exposure … pipelines Power BI and downstream analytics use cases Data modelling across warehouse/lakehouse environments Integration of multiple data sources (APIs, databases, cloud storage) Performance optimisation, data quality, and governance practices This role blends hands-on engineering with elements of data architecture , offering plenty of scope to influence ...

immediate Shape and improve a live data platform – help stabilise and evolve an existing Azure-based environment Work across varied challenges – from pipeline optimisation to data modelling and architectural input Be part of a collaborative, supportive team – working closely with analytics, business stakeholders, and technical peers Develop architectural exposure … pipelines Power BI and downstream analytics use cases Data modelling across warehouse/lakehouse environments Integration of multiple data sources (APIs, databases, cloud storage) Performance optimisation, data quality, and governance practices This role blends hands-on engineering with elements of data architecture , offering plenty of scope to influence ...

immediate Shape and improve a live data platform – help stabilise and evolve an existing Azure-based environment Work across varied challenges – from pipeline optimisation to data modelling and architectural input Be part of a collaborative, supportive team – working closely with analytics, business stakeholders, and technical peers Develop architectural exposure … pipelines Power BI and downstream analytics use cases Data modelling across warehouse/lakehouse environments Integration of multiple data sources (APIs, databases, cloud storage) Performance optimisation, data quality, and governance practices This role blends hands-on engineering with elements of data architecture , offering plenty of scope to influence ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

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. ...

scalable, multi-prime broker plug-and-play product Reduce client onboarding time for new reporting deployments to under two weeks Improve load times and performance across existing data pipelines and dashboards Integrate external and client-side data sources into existing reporting infrastructure Work across the full stack: database layer … back-end logic, front-end delivery. Qualifications: Advanced Python: data processing, scripting, web frameworks (Streamlit, Django, or equivalent) C/C++: performance optimisation, low-level processing Java: application-level development Microsoft Azure: cloud deployment and hosted application environments Database optimisation: SQL, query tuning, load performance Front ...

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 ...

appoint an experienced Paid Media Manager to join its in-house digital marketing team. This is a hands-on role focused on lead generation , performance optimisation, and return on investment across paid search and paid social. You’ll take ownership of paid media activity, working closely with internal … marketing stakeholders and an external performance agency to deliver measurable commercial outcomes. The role suits someone who is both strategic and execution-focused — comfortable setting direction, but equally confident getting into platforms, analysing performance, and driving continuous improvement. The Role As Paid Media Manager, you will lead ...

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 ...

development using modern .NET, cloud, and database technologies Influence and shape cloud-based integration modernisation (Azure preferred) Troubleshoot complex integration issues, ensuring performance, reliability, and data quality Support documentation, standards, and governance for integration patterns Play a key role in solution design for business and digital transformation initiatives … integration technologies Experience designing and delivering integrations using RESTful services, messaging, or service bus patterns Solid understanding of SQL Server, T-SQL, and database performance optimisation Experience working with Azure (Functions, Service Bus, Logic Apps, AKS, or related services) Hands-on experience with CI/CD pipelines, DevOps ...

Error Rate (WER) is also crucial. Strong 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 ...

+ Bonus Experience needed: We're looking for an experienced HPC or Linux infrastructure specialist with a strong background in designing and scaling high-performance computing environments, including clusters, storage, and high-speed networking. About the role: In this role, you'll be responsible for designing and evolving high … performance computing platforms that support complex simulations and data-intensive workloads. You'll take ownership of the HPC architecture, working across compute, storage, and networking to ensure systems are scalable, high-performing, and aligned to future demand. Key Responsibilities: Define and deliver the HPC architecture roadmap aligned to business ...

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 ...