1 to 25 of 359 Permanent Performance Optimisation Jobs in the UK excluding London

Wordpress.The company have increased their turnover consistently over the last 5 years and are growing their technology team. From custom WordPress development to performance optimisation and more, you'll play a key role in shaping the online experience for their customers and trade partners. If you're ready … environments like cPanel, troubleshoot server-related issues, and optimise website performance.API Integration - Work with RESTful APIs and third-party services to enhance website functionality.Security & Performance Optimisation - Implement best practices for security, speed, and SEO.Problem-Solving & Debugging - Troubleshoot and resolve issues efficiently to maintain site stability and quality.Experience required ...

Wordpress. The company have increased their turnover consistently over the last 5 years and are growing their technology team. From custom WordPress development to performance optimisation and more, you'll play a key role in shaping the online experience for their customers and trade partners. … cPanel, troubleshoot server-related issues, and optimise website performance. API Integration - Work with RESTful APIs and third-party services to enhance website functionality. Security & Performance Optimisation - Implement best practices for security, speed, and SEO. Problem-Solving & Debugging - Troubleshoot and resolve issues efficiently to maintain site stability and quality. ...

maintainable code and conducting constructive code reviews Working closely with product, design, and data teams to translate ideas into deliverables Managing release cycles, monitoring performance, and coordinating incident response Guiding and mentoring developers through pairing, feedback, and knowledge sharing Ensuring best practices around accessibility, security, and performance optimisation … Solid understanding of back-end technologies (Node.js, APIs, microservices) Experience with CI/CD pipelines, cloud platforms, and version control best practices Familiarity with performance optimisation, accessibility standards, and SEO fundamentals Excellent communication skills and the ability to simplify complex concepts Bonus: Experience with headless CMS, GraphQL, containerisation ...

Compiler Engineer Location: Cambridge Salary: £80k – £100k Working Model : Onsite We’re working with a well-established yet fast-evolving compute company developing high-performance graphics and AI acceleration platforms , combining advanced silicon design with sophisticated compiler and tooling stacks. As part of continued growth, they are expanding their … compiler group and are seeking a Senior Compiler Engineer to work on performance-critical, hardware-aware compiler technology that directly impacts real-world compute products. Senior Compiler Engineer Responsibilities: Development and enhancement of LLVM-based and proprietary compiler toolchains Performance optimisation for graphics, AI, and accelerator-driven ...

development projects from design through to delivery Provide technical leadership via architecture decisions, code reviews, and mentoring Ensure best practices across CI/CD, performance optimisation, security, and accessibility Collaborate with clients, Product Managers, and Business Analysts to align technical solutions with business goals Support, inspire, and develop … Developer, or similar role delivering complex Shopify projects Familiarity with modern theme build tools such as Vite.js or Webpack Strong understanding of scalable architecture, performance optimisation, and accessibility standards Experience with DevOps workflows, GitHub, and modern CI/CD pipelines Excellent communication and leadership skills Perks & Benefits Fully ...

Senior Compiler Engineer Location: London Salary: £80k – £100k We're partnering with a well-funded, fast-growing semiconductor and AI computing company building high-performance compute platforms at the intersection of advanced silicon, accelerators, and compiler technology. They are expanding their compiler organisation and are looking for Senior … Staff-level Compiler Engineers to work on performance-critical, hardware-aware compiler systems that directly impact next-generation compute products. Senior Compiler Engineer Responsibilities Development and evolution of LLVM-based and custom compiler toolchains Performance optimisation for AI/ML and accelerator-driven workloads Low-level code ...

Full-time The Role We’re hiring a Software Development Engineer in Test (SDET) to design, build and maintain automation frameworks that ensure the performance, reliability, and stability of our applications. You’ll combine strong software engineering skills with a quality-led mindset to advance our automation strategy … analysis and continuous refinement of processes. Testing & Validation Write and execute automated and occasional manual test cases. Validate functional and non-functional behaviour, including performance and regression areas. Participate in code reviews with a focus on quality, performance and maintainability. Collaboration & Continuous Improvement Partner with engineering and product ...

delivering highly awarded, culture-defining campaigns for some of the world's biggest consumer brands. Operating at the intersection of creative, strategy, data, and performance, the agency uses insight and analytics to shape big creative ideas rather than treating data as a standalone function. The focus is on long … plays a central role in influencing senior decision-making. THE TEAM You'll join an established data and insight function embedded closely with strategy, performance, platform, and account management teams. The team works at the heart of client relationships, supporting major global accounts and helping shape campaign direction through ...

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 the planning, delivery ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What Youll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput, and reliability ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...

established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working … latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput ...