1 to 25 of 387 Permanent Performance Optimisation Jobs in England

An exciting opportunity for a Graphics Performance Optimisation Engineer has arisen with a global leader in high-end mobile devices in Surrey. As a Graphics Performance Optimisation Engineer, you will play a key role in enhancing the Android graphics stack, driving performance and power efficiency improvements for gaming and advanced visual experiences on the flagship … devices. You’ll contribute to the design, optimisation, and innovation of next-generation mobile graphics systems. This is a hybrid role, requiring you onsite 3 days a week. Experience of the Graphics Performance Optimisation Engineer includes: Strong proficiency in C++ and real-time embedded software development Experience with Graphics APIs, e.g. OpenGL, Vulkan, with a focus on … performance Experience with Machine Learning and how ML models are built Understand of Android OS at framework level (operating systems, threads, CPUs) If you are a Graphics Performance Optimisation Engineer pushing mobile graphics performance to new heights and shaping the future of gaming and AI-driven visual experiences, please apply today to learn more. More ❯

as: Evolve Our Snowflake Data Warehouse: Take ownership of our Snowflake platform to ensure it is a highly efficient and accessible resource for the business. Implement best practices for performance optimisation, scalability, and cost management, empowering teams to access and utilise data seamlessly. Streamline Data Pipelines: Lead the development and optimisation of data pipelines using DBT , enabling … and frameworks. Recommend and lead the adoption of innovations that enhance our data engineering capabilities, ensuring we remain competitive and forward-thinking. The requirements Essential: Expertise in Snowflake, including performance optimisation, cost management, and advanced data warehousing techniques. Experience in designing and implementing scalable data architectures that meet the needs of complex, data-driven organisations. Strong SQL skills … for this role. But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development of our team members. We value thought and skill More ❯

This highly regarded, world leading, technology developer is urgently seeking a Chief Architect to head up their OS performance group based at their R+D centre in Cambridge. The Chief Architect will be responsible for overseeing the development, performance optimisation, simulation and modelling of a new mobile operating system. The Chief Architect will be working with a team … improving OS performance. Having completed you Degree/Masters/PhD in a relevant field you will have gained extensive experience working with CPU microarchitecture simulation (gem5, QEMU) and optimisation with some exposure to OS or mobile OS performance optimisation and simulation. Coupled with this you should be able to demonstrate significant mobile OS and/or More ❯

Business Analyst - Financial Banking Candidates will come from highly technical background with a track record of delivering complex, low-level code systems (e.g. C++, Java), with strong knowledge of performance optimisation and latency management along with Networking (TCP, UDP, multicast) and low latency data distribution. Ideally these skills will have been gained in a Low Latency Financial/… ability to learn in the role is a must. Essential Proven track record of specifying and delivering complex, low-level code systems (e.g. C++, Java), with strong knowledge of performance optimisation, latency management, concurrency, and integration considerations. Strong knowledge of networking principles (TCP, UDP, multicast) and experience designing for resilience, throughput, and low-latency data distribution. Expertise in More ❯

PHP Developer, youll play a key part in shaping and improving the companys core web systems. Youll work on: User onboarding journeys Customer account portals APIs powering multiple applications Performance, optimisation and new feature development Solving complex technical challenges in collaboration with cross-functional teams Youll also contribute to best practices across the department, supporting continuous improvement and … PHP experience Strong understanding of cloud infrastructure (GCP ideal) Experience with MySQL and/or NoSQL databases TDD experience Excellent debugging and analytical skills Familiarity with profiling tools for performance optimisation Passion for technology and continuous learning Whats on Offer This company truly looks after its people. Alongside a modern office, fantastic team culture and regular events, youll … enjoy: Up to £60,000 basic salary (DOE) Up to 10% personal performance bonus 28 days holiday + extra for length of service Your birthday off Breakfast, lunch, drinks & snacks provided daily Company pension Private health & dental care Death in Service cover Health assessments Netflix & Spotify subscriptions Gym & Golf membership Food allowance at local venues Onsite gym, bar, hairdresser More ❯

Defining and prioritising the compiler and runtime roadmap, ensuring alignment with company strategy and long-term software goals. Leading the development of algorithms for qubit routing, placement, noise-aware optimisation, pulse scheduling, and instruction generation. Overseeing software delivery from concept through to production deployment - balancing innovation with stability and performance. Identifying risks and blockers early, managing resources to mitigate … challenges, and escalating when required. Ensuring best practice in agile software development, code quality, and performance optimisation across the team. Coaching and mentoring team members to support their professional growth and technical development. Collaborating closely with hardware and site reliability teams to maintain system stability and ensure high operational uptime. Representing OQC externally through conferences, publications, and partnerships … supporting our mission to lead the quantum revolution. Leading hiring, performance reviews, and career development within your team, fostering a collaborative and inclusive culture. Qualifications You'll bring significant experience from a commercial, academic, or research environment, with a proven record of delivering complex software systems and compilers from prototype through to production. You'll know how to balance More ❯

remote with occasional travel to Sheffield working with a global energy firm. The ideal candidate will have strong proficiency in Transact-SQL, with a solid understanding of database design, performance optimisation, and advanced SQL features. This role requires problem-solving skills, attention to detail, and the ability to communicate technical solutions effectively. Key Responsibilities: Develop, optimise, and maintain … complex T-SQL queries, stored procedures, triggers, and functions Analyse and troubleshoot query performance issues, implementing indexing strategies and optimisation techniques Design efficient and scalable database schemas with a thorough understanding of normalisation, relationships, and indexing Manage error handling and debugging within T-SQL scripts, including transaction management Utilies advanced T-SQL features such as Common Table Expressions … write complex queries, stored procedures, triggers, functions, and use advanced SQL features Strong problem-solving skills, with the ability to approach and resolve complex data challenges Experience in query optimisation, indexing, and performance tuning, including real-world examples of improvement Solid understanding of database design principles, normalisation, and relationships Knowledge of error handling, debugging, and transaction management within More ❯

systems documentation to support knowledge sharing and future scalability. About you: Proven experience in developing sophisticated, scalable web applications using Java , with a deep understanding of enterprise-level architecture, performance optimisation, and maintainable code standards. Agile team player with experience contributing to sprint planning, daily stand-ups, code reviews, and retrospectives, fostering continuous improvement. A strategic problem-solver … technical challenges and driving innovative solutions. Extensive knowledge in front-end development, utilising JSP, JavaScript/TypeScript, and frameworks like React, with a focus on designing intuitive, responsive, high-performance user interfaces. Robust knowledge of the Spring ecosystem, including Spring Boot , Spring MVC , and Spring Security , to build secure and efficient backend services. Proficient in designing, implementing, and optimising More ❯

backend and middleware development. Experience with React for building modern, scalable web applications. Experience using version control systems (e.g., GitHub or similar). Understanding of SEO principles and web performance optimisation. Excellent verbal and written communication skills. Strong eye for UX/UI design and website aesthetics. Collaborative attitude with the ability to build rapport across teams. Eagerness to More ❯

backend and middleware development. Experience with React for building modern, scalable web applications. Experience using version control systems (e.g., GitHub or similar). Understanding of SEO principles and web performance optimisation. Excellent verbal and written communication skills. Strong eye for UX/UI design and website aesthetics. Collaborative attitude with the ability to build rapport across teams. Eagerness to More ❯

query language and PLSQL • Agile principles and ways of working • Excellent client-facing communication skills • DevOps mindset • Excellent problem-solving abilities • Automation • Core AWS Services & Infrastructure as Code • Application Performance Optimisation On top of the salary, you will receive wide range of benefits which include: 25days holiday (+ 8 flex days), PMI, a performance related bonus and More ❯

exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions to esure More ❯

enhancing LeOs website and contributing to the broader digital transformation strategy. In this position, you will ensure that the website is up-to-date, functional, and optimised for both performance and security, providing an excellent user experience. Beyond your primary responsibilities Leo will offer you training on Microsofts Power Platform, gaining the Skills and expertise to support and customise … role offers an exciting opportunity for a seasoned web developer eager to expand their skillset by working with cutting-edge Microsoft technologies while contributing to the ongoing growth and optimisation of LeOs digital infrastructure. Key Responsibilities Umbraco Website Development and Maintenance Maintain and enhance the Legal Ombudsmans Umbraco-powered website. Implement updates, troubleshoot issues, and optimise for performance … our Dynamics 365-based Case Management system. Learn and apply plugin development in C# and basic SQL for data handling. SharePoint and Document Management Assist in the development and optimisation of our SharePoint intranet and document management systems. AI and Automation Integration Support the integration of Intelligent Automation (IA) and Artificial Intelligence (AI) technologies across CMS2 and wider infrastructure. More ❯

LeO's website and contributing to the broader digital transformation strategy. In this position, you will ensure that the website is up-to-date, functional, and optimised for both performance and security, providing an excellent user experience. Beyond your primary responsibilities Leo will offer you training on Microsoft's Power Platform, gaining the Skills and expertise to support and … offers an exciting opportunity for a seasoned web developer eager to expand their skill set by working with cutting-edge Microsoft technologies while contributing to the ongoing growth and optimisation of LeO's digital infrastructure. Key Responsibilities Umbraco Website Development and Maintenance Maintain and enhance the Legal Ombudsman's Umbraco-powered website. Implement updates, troubleshoot issues, and optimise for … performance, accessibility (WCAG), and security. Develop using ASP.NET Core, HTML, CSS, JavaScript, and Razor syntax within the MVC framework. Collaboration and Training Provide guidance and training to the Communications team on creating accessible digital content. Work with internal teams and stakeholders to align digital projects with organisational goals. Microsoft Dynamics & Power Platform Development Participate in training on Power Apps More ❯

Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯

Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯

reviewed until WC 3rd November We’re partnering with a global investment bank to hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high … Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes, Docker) and modern DevOps practices . Experience in More ❯

reviewed until WC 3rd November We’re partnering with a global investment bank to hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high … Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes, Docker) and modern DevOps practices . Experience in More ❯

Full Stack Developer, you'll: Lead the maintenance and feature development of enterprise-level WordPress sites across multiple brands. Build and maintain shared plugins and reusable microservices to enhance performance and scalability. Collaborate with internal teams and vendors to deliver digital products that push boundaries. Optimise site performance - improving response times, query efficiency, and Core Web Vitals. Troubleshoot … of WordPress + Gutenberg Strong skills in PHP, JS, React, HTML, CSS Experience building custom Gutenberg blocks , APIs, and feeds Solid knowledge of Git , Agile , and JIRA Understanding of performance optimisation , caching , and Core Web Vitals Confident communicator and collaborator in distributed teams Nice to Have Experience with WordPress VIP or PugPig Exposure to AWS (S3, Lambda, EC2 More ❯

Full Stack Developer, you'll: Lead the maintenance and feature development of enterprise-level WordPress sites across multiple brands. Build and maintain shared plugins and reusable microservices to enhance performance and scalability. Collaborate with internal teams and vendors to deliver digital products that push boundaries. Optimise site performance - improving response times, query efficiency, and Core Web Vitals. Troubleshoot … of WordPress + Gutenberg Strong skills in PHP, JS, React, HTML, CSS Experience building custom Gutenberg blocks , APIs, and feeds Solid knowledge of Git , Agile , and JIRA Understanding of performance optimisation , caching , and Core Web Vitals Confident communicator and collaborator in distributed teams Nice to Have Experience with WordPress VIP or PugPig Exposure to AWS (S3, Lambda, EC2 More ❯

Full Stack Developer, you'll: Lead the maintenance and feature development of enterprise-level WordPress sites across multiple brands. Build and maintain shared plugins and reusable microservices to enhance performance and scalability. Collaborate with internal teams and vendors to deliver digital products that push boundaries. Optimise site performance - improving response times, query efficiency, and Core Web Vitals. Troubleshoot … of WordPress + Gutenberg Strong skills in PHP, JS, React, HTML, CSS Experience building custom Gutenberg blocks , APIs, and feeds Solid knowledge of Git , Agile , and JIRA Understanding of performance optimisation , caching , and Core Web Vitals Confident communicator and collaborator in distributed teams Nice to Have Experience with WordPress VIP or PugPig Exposure to AWS (S3, Lambda, EC2 More ❯

commercial experience developing applications using C#, .NET Core, and MVC architecture. Strong front-end skills in Angular and/or Blazor . Advanced SQL Server knowledge (expert-level queries, performance optimisation). Experience with RabbitMQ or similar messaging technologies. Exposure to Azure , Kubernetes (AKS) , and (CI/CD) DevOps pipelines. Understanding of microservices and distributed systems. Excellent problem … consistently and on time. Demonstrating ownership and initiative - taking projects from concept to completion. Contributing to architectural decisions and mentoring within the team. Helping modernise systems while improving throughput, performance, and reliability. 🤝 Why Join SEG Hybrid working, with collaboration being one of our values, we expect presence in our well-situated London Holborn office one day per week, to More ❯

role: High Availability and Disaster Recovery: Configure and maintain solutions like SQL Server Always On Availability Groups to ensure business continuity. Develop and test database backup and recovery procedures. Performance Optimisation: Identify and address performance bottlenecks, optimise queries, and fine-tune system configurations for optimal performance. Development: Support the development of integration solutions and contribute to improvements More ❯

Edge to Apigee X. Skilled in bridging development and operations by automating workflows, optimizing CI/CD pipelines, and ensuring reliable software deployment. Proven ability to manage infrastructure, monitor performance, and collaborate across teams to maintain scalable, secure, and resilient systems. Key role and responsibilities Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR … etc.) Integrate APIs into CI/CD pipelines using Azure DevOps, Github workflows Lead and execute migration projects from Apigee Edge to Apigee X, ensuring minimal disruption and optimal performance Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. Drive API strategy execution, provide technical … based web applications Strong analytical and problem-solving skills Implementation of API security and access control (OAuth, API keys, JWT, etc.) Familiarity with API design patterns, best practices, and performance optimisation If you wish to apply kindly email your profile to christina.ioannidis@cognizant.com More ❯

and security. Collaborate with Architecture, InfoSec, and Delivery teams to ensure cohesion across the wider technology ecosystem. Mentor engineers, driving capability growth and continuous improvement. Tackle technical constraints, optimise performance, and manage technical debt to ensure sustainability. What We’re Looking For Proven experience in a Senior or Staff Engineer position, ideally within web and mobile application development. Insurance … modern deployment pipelines. Strong knowledge of cloud-native environments (GCP or Azure preferred). Familiarity with containerisation and infrastructure tools such as Docker, Kubernetes, Helm, and Terraform. Expertise in performance optimisation, caching, and monitoring. A solid understanding of secure coding practices and OWASP guidelines. Desirable: Exposure to Guidewire Software (PolicyCenter, BillingCenter) and mobile frameworks like Ionic Capacitor. You More ❯