51 to 75 of 522 Performance Optimisation Jobs in England

office of a global investment bank. This role is part of a major, multi-year transformation program aimed at modernising and scaling a high-performance trading platform. You will be working on a greenfield initiative with significant visibility, contributing to the design and build of next-generation front-end … the most talented technologists in the industry and tackle complex engineering challenges at scale. Key Responsibilities Contribute to the design and development of high-performance, low-latency front-end trading systems using React. Build real-time market data visualisation tools and trading dashboards. Work closely with traders, quants, and … back-end engineers to deliver robust and scalable UI solutions. Participate in architecture discussions and contribute to performance tuning and optimisation. Required Skills & Experience Strong proficiency in React.js and modern JavaScript (ES6+) Deep experience building eTrading front-end applications in a fast-paced environment Knowledge of low-latency design More ❯

business operations Collaborating with key stakeholders to gather and analyse requirements, then translating them into scalable, effective solutions Driving continuous improvement through system analysis, performance optimisation, and functionality upgrades Ensuring smooth deployment, testing, and maintenance of software products Providing expert-level technical support and user training across the … business Promoting best practices in software development and contributing to a high-performance IT team culture What You’ll Bring Essential Skills & Experience: 3+ years’ experience in software development, ideally using Java, C# (.NET), and SQL Server Proficiency with Microsoft development tools like Visual Studio and SQL Server Management … Solid understanding of system architecture, software development lifecycles, and enterprise application integration Excellent problem-solving skills with a hands-on approach to debugging and optimisation Desirable: Familiarity with CRM platforms (e.g., Salesforce) or ERP systems (e.g., QAD, NetSuite) Exposure to BI tools like Cognos or document management systems Experience More ❯

Sr. OS Performance Expert - Global tech/telecom business - Cambridge, UK We have partner with a Global Tech organization seeking a Senior OS Performance Expert to optimize the performance of next-generation mobile operating systems. amongst other responsibilities you will be responsible for enhancing responsiveness, resource management … power efficiency, and overall user experience through system architecture improvements and performance tuning. Key Responsibilities: System Performance Optimization: Research and develop runtime resource management and control policies. Analyze and improve kernel task scheduling and frequency modulation mechanisms. Identify and resolve system performance bottlenecks for smoother operation. Contribute … optimal performance. Enhance power efficiency and heat management solutions. OS Application Architecture & Optimization: Improve application interaction, user experience, and performance. Design and optimize high-performance core modules. Solve critical challenges in application architecture and system APIs. Stay ahead of industry trends and research in OS application technologies. Performance More ❯

Sr. OS Performance Expert - Global tech/telecom business - Cambridge, UK We have partner with a Global Tech organization seeking a Senior OS Performance Expert to optimize the performance of next-generation mobile operating systems. amongst other responsibilities you will be responsible for enhancing responsiveness, resource management … power efficiency, and overall user experience through system architecture improvements and performance tuning. Key Responsibilities: System Performance Optimization: Research and develop runtime resource management and control policies. Analyze and improve kernel task scheduling and frequency modulation mechanisms. Identify and resolve system performance bottlenecks for smoother operation. Contribute … optimal performance. Enhance power efficiency and heat management solutions. OS Application Architecture & Optimization: Improve application interaction, user experience, and performance. Design and optimize high-performance core modules. Solve critical challenges in application architecture and system APIs. Stay ahead of industry trends and research in OS application technologies. Performance More ❯

Sr. OS Performance Expert - Global tech/telecom business - Cambridge, UK We have partner with a Global Tech organization seeking a Senior OS Performance Expert to optimize the performance of next-generation mobile operating systems. amongst other responsibilities you will be responsible for enhancing responsiveness, resource management … power efficiency, and overall user experience through system architecture improvements and performance tuning. Key Responsibilities: System Performance Optimization: Research and develop runtime resource management and control policies. Analyze and improve kernel task scheduling and frequency modulation mechanisms. Identify and resolve system performance bottlenecks for smoother operation. Contribute … optimal performance. Enhance power efficiency and heat management solutions. OS Application Architecture & Optimization: Improve application interaction, user experience, and performance. Design and optimize high-performance core modules. Solve critical challenges in application architecture and system APIs. Stay ahead of industry trends and research in OS application technologies. Performance More ❯

the correct approach and to the standards defined. Job Duties Lead the design, development, and maintenance of software applications ensuring quality, efficiency and maximising performance and minimising technical debt. Feature development and evaluation of the tooling processes both in development and deployment alongside the Platform Engineering team. Write clean … team An interest in troubleshooting and problem-solving Participation in releases and/or out-of-hours on-call availability as needed Expertise in performance optimisation Experience in the gaming industry is a significant advantage Working with, and supporting, remote developers (working on the same product) Working with More ❯

experienced UI Developer with a strong background in Azure-based environments and modern authentication frameworks. If you’re passionate about building clean, accessible, high-performance applications — and have hands-on experience with Microsoft Authentication libraries (MSAL), Azure B2C, and OpenID — this could be an excellent opportunity. What You’ll … Ensuring compliance with Government Digital Service (GDS) standards and AA accessibility requirements. Collaborating within Agile teams , contributing to code reviews and technical discussions. Supporting performance optimisation across client- and server-side applications. Working within a multi-pipeline Azure DevOps environment . Building modular, maintainable micro frontends within a … modern testing frameworks: Jest, React Testing Library, Enzyme . Experience working within Agile development teams . Desirable: Involvement in architectural decisions (e.g. micro frontends, performance scaling). Comfortable leading technical discussions or mentoring junior developers. Background delivering consultancy or public sector projects. Why It Matters You’ll join a More ❯

experienced UI Developer with a strong background in Azure-based environments and modern authentication frameworks. If you’re passionate about building clean, accessible, high-performance applications — and have hands-on experience with Microsoft Authentication libraries (MSAL), Azure B2C, and OpenID — this could be an excellent opportunity. What You’ll … Ensuring compliance with Government Digital Service (GDS) standards and AA accessibility requirements. Collaborating within Agile teams , contributing to code reviews and technical discussions. Supporting performance optimisation across client- and server-side applications. Working within a multi-pipeline Azure DevOps environment . Building modular, maintainable micro frontends within a … modern testing frameworks: Jest, React Testing Library, Enzyme . Experience working within Agile development teams . Desirable: Involvement in architectural decisions (e.g. micro frontends, performance scaling). Comfortable leading technical discussions or mentoring junior developers. Background delivering consultancy or public sector projects. Why It Matters You’ll join a More ❯

cycle Hands-on experience with Azure DevOps and CI/CD Pipelines Nice to Have: Exposure to cloud-based solutions Interest in automation and performance optimization Strong communication and problem-solving skills Why Join? Work with cutting-edge tech on meaningful, real-world applications Be part of a collaborative More ❯

reality. Designing and integrating APIs and microservices. Contributing to architectural decisions and helping shape technical strategy. Taking ownership of technical challenges, from scaling to performance optimisation. Ensuring smooth CI/CD processes and strong observability in production. Ideal Candidate Commercial experience as a Full Stack Engineer , ideally in a More ❯

UX/UI principles and how they turn into great products. A solid grasp of technical/on-page SEO - including schema markup, redirects, performance optimisation. Experience with Figma (or confidence learning it fast). High attention to detail and a love of creating high-quality work that performs. More ❯

Essential Requirements for the Role: Expertise in C# and .NET, with experience in scalable solution architecture. Strong SQL skills with SQL Server, focused on performance optimisation. Proven leadership in mentoring and guiding Agile teams. Strategic mindset, with a keen eye on emerging tech, including AI. Passion for continuous learning More ❯

you'll collaborate with artists, designers, and developers to create stunning game visuals using tools like PixiJS. Your focus will be on developing high-performance, interactive applications that deliver an immersive gaming experience. You will also work to optimise these applications for smooth gameplay across various platforms. Join a … to life. Collaborate with artists, designers, and other developers to ensure smooth and engaging gameplay experiences. Write clean, maintainable code with a focus on performance and efficiency. Troubleshoot, debug, and continually improve applications for optimal performance across different platforms. Key Skills and Experience: Strong proficiency in JavaScript and … Experience developing graphical applications or interactive media for web browsers. Solid understanding of HTML5, CSS3, and web graphics. Familiarity with game development frameworks and performance optimisation techniques. Who We're Looking For: A creative problem-solver with a passion for gaming and visual storytelling. A collaborative team player More ❯

you'll collaborate with artists, designers, and developers to create stunning game visuals using tools like PixiJS. Your focus will be on developing high-performance, interactive applications that deliver an immersive gaming experience. You will also work to optimise these applications for smooth gameplay across various platforms. Join a … to life. Collaborate with artists, designers, and other developers to ensure smooth and engaging gameplay experiences. Write clean, maintainable code with a focus on performance and efficiency. Troubleshoot, debug, and continually improve applications for optimal performance across different platforms. Key Skills and Experience: Strong proficiency in JavaScript and … Experience developing graphical applications or interactive media for web browsers. Solid understanding of HTML5, CSS3, and web graphics. Familiarity with game development frameworks and performance optimisation techniques. Who We're Looking For: A creative problem-solver with a passion for gaming and visual storytelling. A collaborative team player More ❯

will not be responsible for setting the analytics strategy, they will serve as the second-in-command for all things related to analytics and performance optimisation—helping to embed a data-informed mindset and delivering insights that drive smarter decision-making. With the rollout of a new CRM … is interpreted and applied across the business. Key responsibilities: Deliver high-level analytics insights and strategic guidance to the Data and Analytics Lead, ensuring optimisation initiatives support the Marketing and wider firm objectives Project lead a team of data analysts within the shared service centre, cultivating a high-performance culture focused on innovation and ongoing development. Design and manage performance tracking systems to evaluate the impact of marketing and business development initiatives, highlighting opportunities for optimisation. Collaborate closely with key stakeholders to apply data-driven strategies aimed at enhancing marketing performance, refining client development approaches, and More ❯

will not be responsible for setting the analytics strategy, they will serve as the second-in-command for all things related to analytics and performance optimisation—helping to embed a data-informed mindset and delivering insights that drive smarter decision-making. With the rollout of a new CRM … is interpreted and applied across the business. Key responsibilities: Deliver high-level analytics insights and strategic guidance to the Data and Analytics Lead, ensuring optimisation initiatives support the Marketing and wider firm objectives Project lead a team of data analysts within the shared service centre, cultivating a high-performance culture focused on innovation and ongoing development. Design and manage performance tracking systems to evaluate the impact of marketing and business development initiatives, highlighting opportunities for optimisation. Collaborate closely with key stakeholders to apply data-driven strategies aimed at enhancing marketing performance, refining client development approaches, and More ❯

and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate … for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s … Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets More ❯

and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate … for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s … Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets More ❯

development. Role Responsibilities Lead Backend Development: Own and lead the development of critical backend components using C#, .NET Core, and related technologies, ensuring high performance, scalability, and maintainability. Technical Decision-Making: Make authoritative decisions on backend architecture, technology stack, and best practices, driving technical excellence within the team. Collaboration … services, with a strong understanding of microservices architecture. Database Management: Work with both NoSQL and relational databases, ensuring efficient data storage, retrieval, and management. Performance Optimisation: Continuously optimise backend code and system performance to meet the highest standards of efficiency and responsiveness. Security Practices: Implement and enforce More ❯

where necessary Creating proof-of-concepts, prototypes, and clean documentation Supporting and mentoring junior team members with code reviews and guidance Driving improvements in performance, monitoring, and automation Working closely with Agile teams to deliver features and manage projects What we're looking for: Strong experience in .NET and … Kanban) Experience working with MS SQL Server, Azure DevOps, and source control Strong communication skills and a collaborative mindset Passion for quality code and performance optimisation Why join us? We're not just another tech team. We're part of something bigger - creating real, positive impact in people More ❯

where necessary Creating proof-of-concepts, prototypes, and clean documentation Supporting and mentoring junior team members with code reviews and guidance Driving improvements in performance, monitoring, and automation Working closely with Agile teams to deliver features and manage projects What we're looking for: Strong experience in .NET and … Kanban) Experience working with MS SQL Server, Azure DevOps, and source control Strong communication skills and a collaborative mindset Passion for quality code and performance optimisation Why join us? We're not just another tech team. We're part of something bigger - creating real, positive impact in people More ❯

Remote - must be able to commute to Crewe once a month £60k plus performance related bonuses Responsibilities: Design and develop advanced applications for the Android platform using Kotlin and Jetpack Compose. Ensure adherence to SOLID principles, clean architecture, and software design patterns to build scalable and maintainable applications. Follow … and Location Services for geolocation-based features. Utilise Kotlin Coroutines and Flow for handling asynchronous events and data streams efficiently. Work on bug fixing, performance optimisation, and maintaining high code quality. Implement unit and UI testing strategies using JUnit and Espresso to ensure application reliability and robustness. Optimise … app performance and memory usage using Android Profiler and other profiling tools. Work with RESTful APIs to ensure seamless integration between the app and backend services. Implement analytics tools to track user behavior and application performance. Develop localised applications to support multiple languages and regions. Utilise Agile project management More ❯

Ensure security, governance, and quality standards across development processes Oversee engineering execution, measuring productivity through KPIs Maintain high standards in software architecture, testing, and performance optimisation Collaborate with stakeholders, including Architects, Product Owners, and DevOps teams Support, mentor, and coach engineering teams Provide hands-on coding support when More ❯

their adoption by end-users. You will also need experience in the following technical areas: C# Database development- you will be comfortable writing queries, performance optimisation, table design, stored procedures, T-SQL. We also look for: Azure DevOps/TFS/any source control provider. SQL Server. Visual More ❯

compliance across client engagements. Stakeholder Collaboratio n: Work closely with internal teams, clients, and partners to deliver high-quality data solutions and thought leadership. Performance Optimisation : Continuously refine and enhance data structures, processes, and strategies to improve efficiency and scalability. Skills & Experience Proven experience as a Lead Data More ❯