26 to 50 of 182 Performance Optimisation Jobs in the UK

that drive real business value. Key Responsibilities Design, build, and deploy LLM-powered applications and GenAI solutions Develop and optimise prompt engineering strategies for performance and accuracy Implement RAG (Retrieval-Augmented Generation) pipelines using structured and unstructured data Fine-tune and customise foundation models and LLMs where required. Integrate … vector search Experience working with LLM APIs and frameworks (e.g., OpenAI, Azure OpenAI, Anthropic, Hugging Face) Strong understanding of prompt engineering techniques and optimisation strategies Experience working with vector databases (e.g., Pinecone, Weaviate, FAISS, Chroma) Practical experience with model evaluation, tuning, and performance optimisation Experience integrating ...

Generative AI tooling Owning the implementation of ML pipelines, APIs and data integration workflows Enforcing MLOps best practices, coding standards, version control and performance optimisation Collaborating cross-functionally with data scientists, product managers, platform engineers, QA and audit professionals Mentoring junior engineers and contributing to internal capability-building ...

highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Keeping an open mind and exploring innovative ways to solve problems, working in a fail-fast fashion to provide ...

augment the development process. Extensive experience with Django, Flask and React.js and SQL. Strong understanding of API-first architectures. Proven ability in performance optimisation. Experience with Docker containerisation. Advanced DevSecOps, CI/CD and cloud-native application knowledge Experience leading Agile Scrum delivery teams. Excellent communication, stakeholder engagement ...

hundreds of millions of data points annually. They are investing heavily in modernising their data platform and analytics capabilities , with a strong focus on performance, scalability, and self-serve analytics. The role You'll take full ownership of the Databricks Lakehouse and BI architecture, leading the migration away from … modular, scalable pipelines Build and optimise data transformation frameworks using Spark/Python/SQL pipelines Act as the go-to expert for query performance optimisation (Spark execution plans, data skew, joins) Design and implement dimensional data models (star/snowflake schemas) Architect the semantic layer ...

RESTful and SOAP APIs with third-party systems Design and optimise SQL and NoSQL databases Support full SDLC including testing, deployment, and maintenance Monitor performance, troubleshoot issues, and drive continuous improvements Required Skills & Experience 3-5 years' experience in software or application development Strong proficiency in C#, ASP.NET/… ASP.NET Core Experience with modern Front End frameworks (Angular, React, or Vue.js) Solid understanding of REST APIs, microservices, and performance optimisation Experience with SQL Server and exposure to NoSQL databases Hands-on experience with AWS and/or Azure Familiarity with CI/CD pipelines and Infrastructure ...

team. This is an opportunity to work with modern cloud-based data platforms, supporting business-critical systems while contributing to the ongoing development and optimisation of data infrastructure. You'll work closely with software engineers, infrastructure specialists, and stakeholders across the business, playing a key role in ensuring data … platforms remain secure, reliable, scalable, and high performing. The role offers a blend of database administration, data engineering, performance optimisation, and problem-solving in a dynamic environment. Key Responsibilities Manage and optimise cloud-hosted databases, ensuring high performance, availability, and security. Support reporting, analytics, and data-driven ...

team. This is an opportunity to work with modern cloud-based data platforms, supporting business-critical systems while contributing to the ongoing development and optimisation of data infrastructure. You'll work closely with software engineers, infrastructure specialists, and stakeholders across the business, playing a key role in ensuring data … platforms remain secure, reliable, scalable, and high performing. The role offers a blend of database administration, data engineering, performance optimisation, and problem-solving in a dynamic environment. Key Responsibilities Manage and optimise cloud-hosted databases, ensuring high performance, availability, and security. Support reporting, analytics, and data-driven ...

closely with engineering leadership to influence platform strategy and technical direction Mentor and support engineers across multiple teams Improve system reliability, observability, scalability and performance Contribute to system design reviews, technical planning and architectural discussions Champion engineering excellence, automation and continuous improvement across the organisation Collaborate with product … environments Exposure to event-driven architectures and messaging systems Experience working within high-growth SaaS or product-led organisations Knowledge of observability, monitoring and performance optimisation Salary & Benefits Up to £120,000 Fully remote within Northern Ireland Excellent benefits package Opportunity to operate at Staff Engineer level within ...

improvement and collaborate with engineering teams to embed reliability into service design. You will define and evolve reliability standards, contribute to capacity planning and performance optimisation, mentor fellow engineers and help shape the tools, platforms and practices that support reliable service delivery at scale. Location/ ...

Supporting modern Lakehouse architecture, ingestion, processing and data serving layers Embedding security, governance and compliance controls across the platform Driving platform observability, monitoring, and performance optimisation Owning aspects of cost management (FinOps) and platform efficiency Collaborating with Data Engineers, Analytics & AI teams to deliver trusted data products What ...

initiatives. AI Initiatives: Collaborate with wider teams on AI-related initiatives and roadmap delivery. Data Governance: Apply best practices around data quality, governance and performance optimisation. Stakeholder Collaboration: Work closely with technical and business teams to deliver high-quality data solutions and support organisational objectives. Continuous Improvement: Identify opportunities ...

strategies Serverless Computing Event-driven architecture Serverless application deployment Cloud-native solutions DevOps Practices Continuous Integration (CI) Continuous Deployment (CD) Infrastructure automation Monitoring and performance optimisation Hands-On Practical Training Learning cloud computing requires practical experience. Throughout the programme, you will complete practical exercises and cloud-based labs ...

Leadership Designing and overseeing solutions using Microsoft Fabric, including: OneLake Lakehouse and Warehouse architectures Data Pipelines Spark/Notebooks Semantic models Ensuring platform scalability, performance optimisation, cost efficiency, and security Guiding the transition from legacy platforms where applicable Data Engineering & Integration Providing technical leadership across data engineering practices ...

undergo (sole UK Nationality) This is an opportunity to work on hi tech projects that make a real-world impact, developing secure, high performance mobile applications in a collaborative Agile environment. What You'll Be Doing Designing, developing and maintaining Android applications using modern development practices. Collaborating with cross … functional teams including software engineers, testers and product stakeholders. Contributing to application architecture, performance optimisation and code quality initiatives. Supporting the full software development lifecycle from concept through to deployment. What We're Looking For Commercial experience developing Android applications using Kotlin Strong understanding of Android SDK, mobile ...

CLEARED (ACTIVE) My client is seeking an experienced and highly skilled DNS Architect to design, implement, and maintain scalable, secure, and high-performance Domain Name System (DNS) solutions. This role is critical in ensuring the reliability and efficiency of network naming services across enterprise and cloud environments. The ideal … cloud platforms Manage and optimise DNS platforms (BIND, Microsoft DNS, Infoblox, AWS Route 53, Azure DNS) Lead DNS strategy including scalability, high availability, and performance optimisation Oversee DNS migrations, upgrades, and transformations Implement and maintain DNS security (DNSSEC, DDoS protection, threat mitigation) Monitor performance, availability, and ensure ...

that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability ...

backend services and APIs. Investigating, troubleshooting, and resolving issues across the full stack. Working closely with teammates through collaboration and paired programming. Improving system performance, reliability, and scalability. Supporting infrastructure and deployment processes within AWS. Taking ownership of tasks and proactively identifying areas for improvement. What We're Looking …/NLB) Engineering Fundamentals HTTP and networking concepts Caching strategies Linux environments Git (including rebasing, merge strategies, and branching workflows) Testing and debugging Performance optimisation and scalability What Makes Someone Successful Here? You'll thrive if you: Have strong problem-solving skills and can debug independently. Enjoy understanding ...

discussions and architectural decisions Write well-structured, testable, and maintainable code Collaborate closely with Product and Design to deliver user-focused features Continuously improve performance, reliability, and security across the platform Tech Environment Backend: Node.js (Express or similar) Frontend: React (modern JavaScript/TypeScript) Cloud: AWS (e.g., Lambda … skills Desirable Experience Experience in SaaS, platform-based, or EdTech environments Exposure to serverless architectures Experience with Docker or containerisation Awareness of scalability and performance optimisation techniques Why Apply? Join a purpose-led organisation focused on professional growth and learning Work in a supportive, forward-thinking engineering team ...

Swift and SwiftUI Provide technical guidance and code reviews for Android development Drive improvements in CI and CD, observability, analytics, crash reporting and application performance Implement and manage Datadog dashboards, monitoring and alerts alongside analytics tools including Google Analytics and Adobe Analytics Collaborate with Product, Design, Back End Engineering … services including Azure Functions, Blob Storage, S3 and Service Bus Strong understanding of REST APIs, OAuth2, mobile security, accessibility standards (WCAG and ARIA) and performance optimisation Experience with App Store and Google Play deployment processes Strong communication, stakeholder management, project organisation and scope management skills Nice to Have ...

Swift and SwiftUI Provide technical guidance and code reviews for Android development Drive improvements in CI and CD, observability, analytics, crash reporting and application performance Implement and manage Datadog dashboards, monitoring and alerts alongside analytics tools including Google Analytics and Adobe Analytics Collaborate with Product, Design, Back End Engineering … services including Azure Functions, Blob Storage, S3 and Service Bus Strong understanding of REST APIs, OAuth2, mobile security, accessibility standards (WCAG and ARIA) and performance optimisation Experience with App Store and Google Play deployment processes Strong communication, stakeholder management, project organisation and scope management skills Nice to Have ...

environment. This role sits within a highly technical global estate supporting business-critical systems, where you will be responsible for ensuring platform stability, improving performance, and supporting the ongoing development and optimisation of core infrastructure services across SharePoint, Azure, SSO, SQL Server and web environments. Senior Platform Engineer … Requirements: Strong experience administering SharePoint, web platforms, SSO and SQL Server environments Proven background in SharePoint migrations, upgrades and performance optimisation Knowledge of SQL Server HA/DR solutions (Always-On, clustering, replication, log shipping) Experience with Azure PaaS services (App Services, Functions, Kubernetes, Azure SQL desirable) Understanding ...

support and new capability development Collaborate with cross-functional teams on AI initiatives and roadmap delivery Apply best practices for data quality, governance, and performance optimisation Core Technical Skills Strong hands-on experience with: AWS data stack (Glue, S3, Lambda, Redshift, Athena) Advanced SQL Python for data processing ...

consistent, high-quality UX across browsers Experience with component libraries such as Material UI or Ant Design Proficiency with build tools Understanding of web performance optimisation and security best practices Desirable: Familiarity with Figma and Storybook for design collaboration and component development Exposure to financial or trading platforms ...

tests (end-to-end, integration, regression) using tools like Selenium, Cypress, or similar. Proficiency with build tools such as Webpack or Vite. Understanding of performance optimisation techniques and web security best practices. Appreciation of the full SDLC, with proactive involvement across design, development, QA, and post-release support. ...