76 to 100 of 309 Performance Optimisation Jobs in England

domain logic, and business processes Refactor and improve legacy PL/SQL and database-driven business logic Support ongoing system upgrades, reliability improvements, and performance optimisation Contribute to cloud-oriented development and infrastructure improvements Work within modern engineering practices including TDD, CI/CD, and Agile delivery Participate ...

existing ones Has solid SQL skills and understands data modelling principles Has exposure to Azure data services (highly desirable) Understands BI best practices and performance optimisation Is comfortable working with large datasets and relational databases Communicates clearly with both technical and non-technical stakeholders Python, R, JavaScript ...

design, coding, testing and documentation of small scale to large, complex or mission critical program Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Behavioural Understanding yourself to be a leader (and the impact of your behaviour on others in a project team ...

Development) experience. API build experience is essential, especially with 3rd party API's Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment. Familiarity with automated testing and CI/ ...

YOUR SKILLS AND EXPERIENCE: The ideal candidate will have the following skills and experience: -Strong experience in Power BI semantic models (DAX, modelling and performance optimisation) -Advanced SQL including complex joins, transformations and optimisation -Some exposure to Python -Strong skills with Excel for modelling and analytics -Strong ...

modern JavaScript Writing custom code to implement functionality, integrations, and interactive components Structuring, populating, and managing scalable CMS collections Ensuring websites are optimised for performance, accessibility, and SEO best practices Integrating third-party tools, APIs, and custom scripts where required Maintaining, refining, and improving existing projects Managing CMS data … content entry Building and testing responsive HTML email campaigns Some projects will involve a strong level of creative collaboration, while others will focus on optimisation, structure, and implementation. Attention to detail and pride in delivering high-quality work across both is essential. Experience Essential A portfolio demonstrating websites ...

that support analytics, reporting, and business intelligence across the organisation. This role requires a strong understanding of modern data warehousing concepts, cloud platforms, and performance optimisation techniques. Key Responsibilities Design and implement logical and physical data models in Snowflake Develop and maintain scalable data warehouse solutions Collaborate with … data engineers, analysts, and business stakeholders to define data requirements Optimize data structures for performance, scalability, and cost-efficiency Build and maintain data pipelines and transformations (ELT/ETL) Ensure data quality, integrity, and governance standards are met Document data models, definitions, and data flows Skills/Experience ...

Experience working with CI/CD pipelines, ideally within Azure DevOps Familiarity with Agile development environments and iterative delivery Strong focus on code quality, performance, and long-term maintainability Confident communicator who collaborates effectively within cross-functional teams Nice to Have Experience using Prism for MVVM, navigation, and dependency … Azure services beyond CI/CD pipelines Familiarity with GitHub Copilot or other AI-assisted development tools within Visual Studio Understanding of mobile application performance optimisation and debugging techniques If you’re an experienced Mobile Developer looking to work on impactful applications within a collaborative engineering team ...

partner’s UK & Ireland marketing team on a 6-month fixed-term contract in their Maidenhead office, you will support the planning, execution and optimisation of digital and channel marketing initiatives across B2B2C, B2B and B2C audiences. This role plays a key part in driving brand awareness, generating qualified … campaigns and partner marketing programmes. Key Responsibilities Digital Advertising & Lead Generation Plan, launch, and optimise digital advertising campaigns across Meta, Google Ads (Search, Display, Performance Max) and YouTube Manage campaign budgets, targeting, creatives and performance optimisation to deliver qualified leads and awareness Monitor, analyse, and report ...

implementation of AI models and AI Agents that address real business challenges. You'll be hands-on with model development, data analysis, and performance optimisation, while also acting as a subject-matter expert for M365 Copilot Agents and emerging AI capabilities. This is a role for someone … Agents, including new and enhanced M365 Copilot Agents. Analyse and prepare data, extract insights, and communicate findings clearly to stakeholders. Monitor and optimise model performance, ensuring regular audits, accuracy, reliability, and drive continuous improvement. Document development processes, maintain model and Agent records, and ensure compliance with security and regulatory ...

ensuring generation and storage assets deliver the correct contracted schedules. Design and manage Delta Lake tables and SQL databases, applying strong data modelling and optimisation strategies. Develop monitoring dashboards and alerting to ensure transparency around pipeline health and data freshness. Implement data validation and reconciliation checks across multiple market … data sources. Optimise pipeline performance and manage compute costs through efficient Spark and SQL design Produce clear documentation for data schemas, pipelines and operational processes. Contribute to Git-based development workflows and CI/CD pipelines. Support internal teams by ensuring settlement and industry data is delivered accurately ...

related services • Developing automation for infrastructure provisioning and management • Implementing and improving CI/CD pipelines using Azure DevOps • Monitoring and optimising performance using tools such as CloudWatch • Ensuring compliance with security frameworks and cloud security best practices • Improving platform reliability, deployment practices and overall architecture • Supporting the development … network security • Familiarity with frameworks such as CSA Cloud Control Matrix and OWASP best practices is beneficial • Experience working with databases and performance optimisation • Strong analytical and problem solving skills Nice to have: • Experience working in Agile development environments • Previous experience in the insurance or fintech sector Recruitment ...

Game of the Year 2020 , Branded Megaways ). Work closely with Game Designers , Artists , and Mathematicians to deliver polished, engaging slot experiences. Ensure performance optimisation across devices and browsers. Follow best practices for version control (Git/Bitbucket) and code documentation. Collaborate in an Agile development environment … challenges of regulated markets. Preferred: A degree in Computer Science, Game Development, or a related field. Experience with asset pipelines, particle systems, and game performance tuning. The Benefits of Working at 1X2 Network • Competitive salary • Long-term career prospects with development opportunities – the role is what you make ...

providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications … commodities trading, risk management, and real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance ...

/CD workflows Collaborating with product, leadership and marketing teams Mentoring junior developers and providing code reviews Overseeing integrations with APIs and driving performance optimisation The following skills and experience are required: Strong full stack web development experience Strong experience with JavaScript, TypeScript and modern frameworks (React) Experience ...

machine learning models using Python 📊 Work with large, complex datasets to support AI-driven products and insights 🧠 Assist with feature engineering, model experimentation, and performance optimisation ☁️ Contribute to data and ML pipelines in cloud-based environments 🗄 Work with structured and semi-structured data using SQL 🚀 Support the deployment ...

Contribute meaningfully to product and architecture discussions; be heard in debate and align to unified decisions. Own operability: CI/CD, monitoring/alerting, performance optimisation, safe rollbacks. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails ...

optimize ETL/ELT pipelines using Apache Spark and Databricks Implement Delta Lake and medallion architecture (Bronze, Silver, Gold) Ensure data governance, security, and performance optimization Integrate Databricks with cloud platforms and enterprise data sources Collaborate with data engineers, analysts, and stakeholders to deliver scalable data solutions Required Skills ...

side language). Experience with relational databases. Working knowledge of cloud platforms, preferably Google Cloud Platform. Strong commitment to code quality, efficient architecture, and performance optimisation. Bonus Points Advanced knowledge of JVM-based languages, particularly Kotlin. Experience with Kubernetes and Terraform. Familiarity with advanced Postgres features such as GIST ...

role is about engineering, not research. You will architect and run the infrastructure that enables AI to perform securely, reliably and at scale ensuring performance, cost control and operational maturity as adoption grows. You'll work closely with AI engineers, security teams, and product stakeholders to transform experimental models … Doing Design and optimise scalable RAG pipelines and vector search systems Orchestrate multi-model AI services with a focus on latency, resilience and performance Productionise GenAI workflows and ensure they operate reliably under real usage Build and run AI services across AWS and Databricks Develop ingestion, embedding and retrieval ...

generics, discriminated unions, conditional types, and type-safe API boundary design Vite and modern build tooling; tree-shaking, chunk strategy, module federation, and build performance optimisation in CI State management at scale: Zustand, TanStack Query, or equivalent; separation of server, client, and ephemeral UI state High-frequency WebSocket … token architecture, component API design, versioning strategy, and cross-team adoption at scale Testing discipline: unit, integration, E2E (Playwright/Cypress), visual regression, and performance budget enforcement in CI GraphQL or REST API co-design with backend teams; schema-first development and automated type generation Track record of measurably ...

generics, discriminated unions, conditional types, and type-safe API boundary design - Vite and modern build tooling; tree-shaking, chunk strategy, module federation, and build performance optimisation in CI - State management at scale: Zustand, TanStack Query, or equivalent; separation of server, client, and ephemeral UI state - High-frequency WebSocket … token architecture, component API design, versioning strategy, and cross-team adoption at scale - Testing discipline: unit, integration, E2E (Playwright/Cypress), visual regression, and performance budget enforcement in CI - GraphQL or REST API co-design with backend teams; schema-first development and automated type generation - Track record of measurably ...

teams to ensure high availability and reliability Contribute to ongoing platform stability improvements Additional Responsibilities Support integration with upstream/downstream systems Assist with performance testing (including latency improvements where required) Contribute reusable components, utilities, and best practices Provide documentation and handover to operations teams Required Skills & Experience Strong … Experience with Amazon Kinesis or other streaming platforms (e.g. Kafka) Exposure to monitoring and alerting tools Experience working in complex, integrated environments Awareness of performance optimisation (e.g. latency improvements) Working Pattern 2 days per week onsite in London Flexible engagement with potential to scale depending on project needs ...

teams to ensure high availability and reliability Contribute to ongoing platform stability improvements Additional Responsibilities Support integration with upstream/downstream systems Assist with performance testing (including latency improvements where required) Contribute reusable components, utilities, and best practices Provide documentation and handover to operations teams Required Skills & Experience Strong … Experience with Amazon Kinesis or other streaming platforms (e.g. Kafka) Exposure to monitoring and alerting tools Experience working in complex, integrated environments Awareness of performance optimisation (e.g. latency improvements) Working Pattern 2 days per week onsite in London Flexible engagement with potential to scale depending on project needs ...

Customer Insights & Reporting Specialist to build the foundations of our customer journey reporting across Safetykleen - helping us measure and improve customer health, satisfaction, service performance, and retention. This is a hands-on, technical role where you’ll use Power BI and SQL to design scalable reporting solutions and data … models, working closely with stakeholders across the business. You’ll sit in a central team and shape how markets understand performance - with a clear line of sight from insight → action → impact. If you’re excited by customer data, end-to-end journey visibility, and building modern analytics ...