1 to 25 of 272 Performance Optimisation Jobs in the UK

most demanding computational systems. This role is focused on solving difficult engineering problems at scale, working with advanced computing infrastructure, distributed systems and performance-critical workloads. We are seeking someone with outstanding technical ability who enjoys understanding systems deeply, from hardware and operating systems through to software optimisation and large-scale computation. About the Role You will work on the design, optimisation and operation of high-performance computing environments. You will be responsible for improving computational efficiency, building reliable infrastructure and solving complex challenges involving large-scale workloads. This is a highly technical role suited ...

distributed data platforms that power Flutter’s applications across Gaming and Sportsbook. The role is focused on execution and solutions delivery – building scalable, high‐performance data platforms that enable real‐time and batch data processing at scale. Responsibilities Drive platform capability improvements – continuously enhance distributed data platforms using knowledge … identify, communicate, and mitigate technology risks associated with distributed systems, data platform decisions, and system integrations. Ensure operational excellence – design solutions with security, cost optimisation, performance, regulatory requirements, and compliance in mind. Contribute to architecture governance – support architecture forums and governance processes, ensuring timely review and alignment across ...

support of strategic digital transformation initiatives and business-critical web application projects. As a Senior Next.js Engineer, you will design and build modern, high-performance web applications using Next.js App Router, React Server Components (RSC), and Server Actions, delivering scalable solutions that support complex business workflows. You will … capabilities, including backend APIs, server-side logic, and MongoDB integrations, while applying clean code and SOLID design principles. The role will also focus on performance optimisation through SSR, SSG, ISR, advanced caching, and asset optimisation to maintain excellent Core Web Vitals. In addition, you will implement ...

models; implement GPU optimisations for inference; design advanced labeling workflows to improve model accuracy; and engineer robust solutions that deliver measurable customer value. Champion performance, scalability, and reliability by deeply understanding how our systems operate in production and by identifying and tackling technical debt proactively. Drive technical excellence across … written documentation (RFCs, DACIs), and cross‐functional partnerships. Qualifications Strong production engineering experience: built, deployed and operated complex systems in production with observability, reliability, performance optimisation and operational realities. Hands‐on LLM/ML systems experience: fine‐tuning models, building inference pipelines, optimisation for latency/cost ...

performing and most complex front‐end platforms in the world Collaborating with top‐tier engineers across frontend, backend and infrastructure Pushing the boundaries of performance optimisation at extreme scale Contributing to a developer‐first culture that values technical excellence Engaging with a flat structure that offers clear … Requirements Strong proficiency with React as a main language Deep knowledge of modern JavaScript/TypeScript Passion for building systems at extreme scale and performance Experience with cutting‐edge tooling and performance optimisation Ability to solve complex front‐end challenges within a high‐standards environment Collaborative mindset ...

Primary location: Aldermaston SECURITY CLEARANCE: DV or willing to undergo vetting ROLE OVERVIEW: The Infrastructure Support Specialist plays a critical role within a high-performance, fast-paced Enterprise IT environment that supports a major public-sector client. The position is responsible for delivering advanced 3rd and 4th line support … focus on stability, resilience, and security. You will be a key member of the On-Prem Infrastructure Team, providing expert troubleshooting, solution implementation, and performance optimisation across server, storage, and virtualisation layers. Daily duties include performance monitoring, patch management, capacity planning, image deployment, system builds, BAU operational ...

Azure DevOps Pipelines, Terraform and Azure native services to enable Infrastructure as Code (IaC), guided by the Azure Well‐Architected Framework to ensure security, performance, reliability and cost efficiency. Principal Accountabilities Design, deploy and operate secure, scalable cloud infrastructure across multiple regions in Microsoft Azure. Build and manage Azure … tooling to empower development teams to deploy securely and independently. Apply Azure Well‐Architected Framework principles to ensure solutions meet standards of reliability, performance, cost optimisation and security. Collaborate with Security and Engineering teams to ensure compliance and continuous improvement. Maintain comprehensive documentation for systems, configuration and automation ...

Senior Full Stack Developer Location: Birmingham (Onsite) Salary: £60,000 - £80,000 DOE Job Type: Permanent, Full-Time Senior Developer - Platform Stability, Performance & Engineering Excellence We're looking for an experienced Senior Developer who enjoys solving complex technical challenges and improving the quality, resilience, and performance of large … scale SaaS platforms. This is a unique opportunity to play a key role in improving platform reliability, performance, and engineering standards across a growing technology business. Rather than focusing on traditional feature development alone, you'll work closely with engineering teams to identify systemic issues, enhance platform robustness ...

define requirements, develop best-in-class data products, and produce engaging and accurate reporting used by our teams and senior managers to track performance and make strategic decisions. You’ll also form a key part of our wider data community, ensuring that our organisational data supports our ambitious growth … systems and structures and at different velocities including near real time Strong knowledge of data architecture (Snowflake is preferred), SQL development, security, and process optimisation Advanced SQL development including query development and optimisation, stored procedures, and performance tuning Expert knowledge of end-to-end enterprise BI using ...

Lead to join a large-scale enterprise transformation programme , taking ownership of the non-functional testing strategy across multiple workstreams. You'll lead the Performance Testing and Operations Acceptance Testing (OAT) teams, ensuring the platform is resilient, scalable and ready for production. This is a key leadership role, working … closely with engineering, architecture and delivery teams to drive performance, operational readiness and continuous improvement throughout the programme lifecycle. Key Responsibilities Define and own the end-to-end non-functional testing strategy across the programme. Lead the Volume & Performance Testing and Operations Acceptance Testing (OAT) teams. Establish performance ...

architectural standards and best practices across the organisation, leading technical evaluations with internal and external partners. Champion FinOps principles to drive significant cloud cost optimisation and guide performance tuning of distributed systems. Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment … resiliency, and secure delivery (e.g., SLSA framework and GitOps). Deep experience with Observability and Monitoring tools (e.g., Prometheus, Grafana, OTEL). Expertise in performance optimisation of distributed systems (e.g., caching, network latency). Practical experience with Service Mesh technologies (e.g., Istio, Linkerd, Cilium). Demonstrated success ...

architectural standards and best practices across the organisation, leading technical evaluations with internal and external partners. Champion FinOps principles to drive significant cloud cost optimisation and guide performance tuning of distributed systems. Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment … resiliency, and secure delivery (e.g., SLSA framework and GitOps). Deep experience with Observability and Monitoring tools (e.g., Prometheus, Grafana, OTEL). Expertise in performance optimisation of distributed systems (e.g., caching, network latency). Practical experience with Service Mesh technologies (e.g., Istio, Linkerd, Cilium). Demonstrated success ...

Manage cloud-native security services, monitoring and alerting Work alongside cyber security teams to improve security posture and reduce risk Resilience & Operations Manage monitoring, performance and availability across cloud environments Design and maintain backup, disaster recovery and business continuity solutions Provide 3rd line support for cloud-related incidents … technical issues Support service reliability and operational excellence Cost & Performance Optimisation Monitor cloud consumption and costs Implement governance, reporting and optimisation measures Balance performance, resilience and commercial efficiency What We're Looking For Essential Experience Strong hands-on AWS engineering experience within an enterprise or commercial ...

technical decisions, while also collaborating closely with a highly technical team Experience in any of the following would be beneficial: Python memory management and performance optimisation GPU optimisation and acceleration Responsibilities for Machine Learning Engineer: Deploy and integrate new machine learning models into advanced commercial software products … projects from rapid prototyping and experimentation through to production implementation Optimise machine learning models for speed, scale, runtime and memory usage Help improve the performance and scalability of existing AI systems Develop innovative new features using machine learning and AI technologies Explore new technologies and approaches to solve complex ...

sprint planning, backlog prioritisation and delivery tracking within Agile teams Identify and mitigate delivery risks, dependencies and technical challenges Troubleshoot complex data, platform and performance-related issues Drive engineering best practices across coding standards, testing, performance optimisation and code reviews Act as a key interface between business … highly advantageous Desirable experience includes: Databricks certifications Kafka or Structured Streaming CI/CD and DevOps practices Airflow or Databricks Workflows Delta Lake optimisation techniques Docker and Kubernetes Exposure to machine learning pipelines Job Offer Competitive day rate of £650-880 per day Inside IR35 (Umbrella) Initial 6-month ...

knowledge of PostgreSQL database design and optimization. Experience with Git, CI/CD pipelines, and Agile development methodologies. Good understanding of application security and performance optimization. Excellent troubleshooting and problem-solving skills. Preferred Qualifications Experience working in government/public sector digital transformation projects. Exposure to cloud platforms such ...

platform. A key part of the role will involve reviewing existing systems, identifying opportunities to reduce technical debt, and driving improvements that enhance performance, maintainability and delivery efficiency. Ensuring performance and security at scale will be a core focus. Youll work across teams to optimise rendering, caching strategies … evolving large-scale SPAs in production environments Deep expertise in React.js, Node.js and modern frontend ecosystems Strong understanding of browser internals, rendering pipelines and performance optimisation Experience improving frontend performance metrics such as TTFB, TTFP and TTI Strong knowledge of caching strategies across client, edge and server ...

sophisticated trading systems used across the capital markets landscape. You'll collaborate directly with Product, Client Services and Engineering leadership to deliver scalable, high-performance software and help shape the future direction of the platform. If you enjoy solving complex technical challenges, mentoring developers and working with modern technologies … Skills 7+ years' commercial Java development experience Previous experience within Financial Services ideally capital markets Strong Java 11+ and Spring Boot development Multi-threading, performance optimisation and profiling Experience building microservices TDD and automated testing (JUnit, Mockito, Spock) Maven and Git CI/CD pipelines and DevOps practices ...

your CV to The Opportunity An exciting opportunity has arisen for an experienced Software Developer to join a specialist engineering team delivering secure, high-performance backend software for mission-critical programmes. Working within Linux environments, you'll help design and develop scalable Java and C++ applications while providing technical … technical challenges, mentoring others, and contributing to the design of secure, enterprise-scale systems. What You'll Be Doing Designing, developing and maintaining high-performance backend software using Java and C++. Leading the technical design and implementation of software components, APIs and services. Building secure, scalable and maintainable applications ...

reusable modules, CI/CD pipelines and policy‐as‐code guardrails. Leverage AI agents extensively to automate and optimise platform work—provisioning, cost and performance optimisation, incident response, remediation and documentation. Prepare the infrastructure for AI agents as first‐class “engineers”: safe machine identities, scoped permissions, sandboxes, approval … Partner with data engineering to design and optimise data pipelines, data stores and large‐scale analytics infrastructure such as BigQuery, including query, cost and performance tuning. Mentor engineers, set technical direction and champion strong platform and security engineering standards across the organisation. What you’ll need to succeed Essential ...

culture of continuous improvement. Collaborate closely with Product, Design, and other stakeholders to shape requirements, making architectural and technical decisions that balance quality, performance, and delivery timelines. Ensure the implementation of high‐quality, resilient, and scalable distributed systems, incorporating resilience mechanisms and best practices. Lead troubleshooting and incident management … Architecture & Design Expertise: In-depth understanding of architectural principles and patterns, particularly for distributed systems (e.g., microservices, event‐driven architecture using Kafka). Resilience & Performance Optimisation: Skilled in applying resilience mechanisms and performance tuning practices to ensure system stability and efficiency at scale. Cloud Infrastructure & DevOps: Proficient ...

needs into scalable, secure, and high performing solutions. You will also take ownership of reviewing existing systems, identifying opportunities to simplify, refactor, and improve performance and reusability. This is an opportunity to have real impact across our platform and help drive architectural excellence across the organisation. Responsibilities System Design … system is innovative and cost-effective. Quality Assurance: Ensure software designs and implementations follow best practices, coding standards, and appropriate testing methodologies. Guarantee high performance, security, and scalability of the architecture. Documentation & Communication: Create clear, comprehensive, and maintainable documentation for system architectures, workflows, and technical specifications. Communicate effectively with ...

Architect and build core technology from first principles. Own critical engineering decisions across infrastructure, backend systems and product development. Design scalable, reliable and high-performance software systems. Solve complex technical challenges with speed and precision. Build prototypes, test ideas and rapidly iterate towards production solutions. Establish engineering standards, tooling … development practices. Optimise systems for performance, reliability and scalability. Work directly with founders to shape product strategy and technical direction. Take ownership of projects from initial concept through to deployment. About You Exceptional academic background from a leading UK university. Degree in Computer Science, Mathematics, Physics, Engineering or another ...

/static side still lives on Azure, so comfort working across both clouds is a real advantage. Databases: PostgreSQL and SQL Server — schema design, performance optimisation, data-access patterns. DevOps & Automation: Infrastructure-as-code with Terraform, CI/CD pipelines, GitHub Actions, build and release automation. Containers & Runtime … with Product Managers, Engineering Managers and cross-functional teams. Communicate clearly with both technical and non-technical stakeholders. Monitor and report on key software performance and delivery metrics. Maintain high-quality technical documentation and healthy development processes. Flag issues early when they might affect delivery timelines. Why This Role ...

architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...