Performance Optimisation Jobs in the UK

51 to 75 of 489 Performance Optimisation Jobs in the UK

MuleSoft Developer

United Kingdom
CGI
connectivity solutions using MuleSoft Anypoint Platform. • Create and maintain RAML and OpenAPI specifications for RESTful APIs. • Ensure best practices in API security, governance, and performance optimization. • Perform unit testing and integration testing to validate API functionality and reliability. • Troubleshoot and resolve technical issues in integration services. • Work with CI More ❯
Employment Type: Permanent
Posted:

Cloud Infrastructure Engineer

Sunderland, England, United Kingdom
Jackson Hogg
ll be doing: Public Cloud Infrastructure Management which involves provisioning, configuration and maintaining various Cloud resources to ensure scalability, reliability and security. Monitoring and Performance Optimisation by implementing monitoring solutions to track performance and identify areas for optimisation to enhance user experience and automate improvements where More ❯
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Cloud Infrastructure Engineer

Sunderland, north west england, united kingdom
Jackson Hogg
ll be doing: Public Cloud Infrastructure Management which involves provisioning, configuration and maintaining various Cloud resources to ensure scalability, reliability and security. Monitoring and Performance Optimisation by implementing monitoring solutions to track performance and identify areas for optimisation to enhance user experience and automate improvements where More ❯
Posted:

UI Engineer

Plymouth, Devon, United Kingdom
Pontoon
implementing and managing a shared design system. Write clean, modular, and testable front-end code, adhering to best practises and accessibility standards. optimise application performance and load times through efficient architecture and code splitting techniques. Conduct code reviews, provide constructive feedback to peers, and contribute to front-end development … management libraries (e.g., Redux, Zustand) and component-based architectures. Experience with design systems and tools such as Figma or Storybook. Solid understanding of web performance optimisation, testing (unit, integration, and end-to-end), and cross-browser compatibility. Proficiency with front-end tooling and bundlers like Webpack or Vite. More ❯
Employment Type: Contract
Rate: £400 - £450/day Inside IR35
Posted:

Product Owner (Contract)

London, United Kingdom
Mindera
delivery timelines while remaining responsive to change. Ensure all implementations are robust, secure, and scalable with strong monitoring and alerting in place. Roadmap Planning & Performance Optimisation: Maintain a living roadmap that reflects business priorities, technical capabilities, and external trends. Use data to evaluate PSP and transaction performance - identifying areas for optimisation, A/B testing, or provider tuning. Forecast impacts of roadmap initiatives on key KPIs like authorisation rate, cost-per-transaction, and checkout conversion. Stakeholder & Vendor Engagement: Act as a central point of contact for payments across internal stakeholders (Engineering, Legal, Finance, Security, Customer … and Mobile, are at the core of what we do at Mindera. We partner with our clients, to understand their product and deliver high performance, resilient and scalable software systems that create an impact in their users and businesses across the world. You get to work with a bunch More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior OS Performance Expert

Cambridge, England, United Kingdom
European Tech Recruit
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 ❯
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Senior OS Performance Expert

cambridge, east anglia, united kingdom
European Tech Recruit
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 ❯
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Senior OS Performance Expert

Cambridge, south west england, united kingdom
European Tech Recruit
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 ❯
Posted:

Flutter Developer Volunteer (Mobile Health Platform) Remote (UK)

United Kingdom
Hybrid / WFH Options
SkilledUp Life Ltd
of elderly care. About the Opportunity As a Flutter Developer Volunteer, you will build and optimise the mobile experience of our platform, ensuring seamless performance across iOS and Android devices. Your code will directly enable caregivers to access critical patient records offline, track medications, and collaborate efficiently, even in …/Firestore. NHS System Integration: Collaborate with backend developers to integrate APIs for secure data exchange with NHS databases and third-party healthcare tools. Performance Optimisation: Ensure smooth app performance on older devices commonly used in care homes (e.g., tablets with limited RAM). Accessibility Compliance: Implement … apps. Healthcare Mobile Development: Gain experience building apps for regulated, high-stakes environments. Cross-Platform Expertise: Strengthen your Flutter skills while solving real-world performance challenges. Endorsements Upon successful contribution, you'll receive: A LinkedIn testimonial highlighting your technical role in mobile health innovation. Permission to list Padocare on More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Software Developer

Bolton, Greater Manchester, North West, United Kingdom
KO2 Embedded Recruitment Solutions LTD
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 ❯
Employment Type: Permanent
Salary: £50,000
Posted:

Global Banking & Markets - Birmingham - Analyst / Associate - Front End Engineer

Birmingham, Staffordshire, United Kingdom
Goldman Sachs Bank AG
frameworks such as Jest, Enzyme, Cypress, etc. Experience working within a git-based CI/CD SDLC environment. Knowledge of data structures, algorithms, and performance optimization. Ability to multitask, manage multiple stakeholders, and work as part of a global team. Excellent communication skills, both written and verbal. Experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Dynamics365 Developer

London, United Kingdom
LA International Computer Consultants Ltd
plugins and workflows using C# and .NET. * Implement business logic using custom plugins and real-time workflows. * Ensure best practices in exception handling and performance optimization. * JavaScript/TypeScript Customization: * Develop and maintain JavaScript-based client-side logic in Dynamics 365. * Enhance user interactions with form scripting and Ribbon More ❯
Employment Type: Contract
Posted:

Senior Software Engineer, Java, C++

Manchester, Lancashire, United Kingdom
Roku, Inc
of experience building large scale and low latency distributed systems Command of Java, C++ or Go/Golang Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming Experience with distributed caching, SQL/NO SQL, and other databases is a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

London, UK Customer Office Technical Account Manager

London, United Kingdom
Aqua Security Software Ltd
practices, and SDLC principles. Hands-on knowledge of cloud platforms (AWS, Azure, GCP) and Kubernetes ecosystem. Proven experience in technical solution design, implementation, and performance optimization. Proficiency in scripting/programming languages (e.g., Python, Bash, Terraform) for automation and troubleshooting. Ability to translate complex technical concepts into actionable insights More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Developer (C# .NET, SQL)

Liverpool, Lancashire, United Kingdom
Hybrid / WFH Options
The Lead Agency
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Java, C++

Cardiff, South Glamorgan, United Kingdom
Roku, Inc
of experience building large scale and low latency distributed systems Command of Java, C++ or Go/Golang Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming Experience with distributed caching, SQL/NO SQL, and other databases is a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Software Engineer

Hart, Yorkshire, United Kingdom
Hybrid / WFH Options
RVU Co UK
public cloud. What you'll be doing: Effectively evolve, enhance, and modernise large-scale systems to enable rapid adaptability and continuous improvement. Improve the performance, reliability and scalability of our .NET systems. Develop and drive automation for deployment, monitoring, and scaling of infrastructure. Build tools and processes to enable …/CD). Make data guided decisions that impact core business metrics and processes. Solid understanding of platform and reliability engineering approaches, including observability, performance optimisation, capturing analytics and security best practices. Drive the adoption of new technologies like Go and Python. Facilitate collaboration between teams and build … Here are some of the benefits you can look forward to: 10% discretionary yearly bonus and yearly pay reviews (based on RVU and personal performance). A hybrid working approach with 2 in-office days per week and up to 30 days per year to "work from anywhere." Employer More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Ki Insurance
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Developers

Birmingham, Staffordshire, United Kingdom
Hybrid / WFH Options
Pinewood
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior BI Developer

Bolton, Lancashire, United Kingdom
ao.com
and change requests swiftly. Mentorship: Guide and mentor the BI Team, fostering continuous learning. Continuous Improvement: Enhance BI processes and data-driven decision-making. Performance Optimisation: Ensure efficient and scalable data models and reporting solutions. Security and Compliance: Adhere to data security and compliance standards. Setting Standards: Establish More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mobile Architect London

London, United Kingdom
Photon
mobile applications with backend systems and other platforms. Stay abreast of the latest advancements in mobile technologies, including emerging trends in UI/UX, performance optimization, and security. Conduct code reviews and ensure adherence to coding standards and best practices. Contribute to the development and improvement of our mobile More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AWS Architect - Python, Angular

London Area, United Kingdom
Lorien
Step Functions, S3, SNS/SQS, Cognito, etc.). Actively contribute to back-end development using Python, ensuring best practices in clean code and performance optimization. Support front-end architecture and implementation using Angular, ensuring a seamless and scalable user experience. Ensure robust CI/CD pipelines, infrastructure as More ❯
Posted:

AWS Architect - Python, Angular

london, south east england, united kingdom
Lorien
Step Functions, S3, SNS/SQS, Cognito, etc.). Actively contribute to back-end development using Python, ensuring best practices in clean code and performance optimization. Support front-end architecture and implementation using Angular, ensuring a seamless and scalable user experience. Ensure robust CI/CD pipelines, infrastructure as More ❯
Posted:

iOS Engineer

Crewe, Cheshire, United Kingdom
Acorn by Synergie
Sentience and Core Location for geolocation-based features. Utilise the Combine framework 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 XCTest and XCUITest to ensure application reliability and robustness. Optimise … app performance and memory usage using Instruments 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 methodologies … Package Manager. Experience with Agile methodologies and working in Scrum teams. Strong understanding of Apple's Human Interface Guidelines and best practices. Knowledge of performance and memory tuning tools such as Instruments. Strong analytical, problem-solving, and debugging skills. Excellent communication and teamwork abilities. Nice to Have: Familiarity with More ❯
Employment Type: Permanent
Salary: £59000 - £60000/annum Plus performance related bonuses
Posted:

Senior Frontend Engineer

London Area, United Kingdom
Chapter 2
Senior Frontend Engineer to help shape and scale the future of our platform. You’ll play a critical role in designing and delivering high-performance, visually stunning frontend applications that support complex, real-time creative workflows. We’re looking for an engineer with a strong product mindset, who is … with designers, backend developers, and product managers to bring intuitive and powerful interfaces to life. What You’ll Do Design and develop sophisticated, high-performance frontend applications using React and TypeScript Write clean , efficient , and reusable code with a focus on maintainability and scalability Collaborate with cross-functional teams … component libraries Familiarity with ReactFlow or similar graph-based UI libraries Proficiency in 2D graphics using HTML canvas Expertise in Tailwind CSS Knowledge of performance optimisation and frontend build tooling Why Join Us? Work on innovative, design-led products that push the boundaries of what’s possible on More ❯
Posted:
Performance Optimisation
10th Percentile
£49,140
25th Percentile
£53,813
Median
£69,315
75th Percentile
£80,000
90th Percentile
£87,500