76 to 100 of 132 Performance Testing Jobs in the UK

payment network integrations Architect and implement RESTful APIs and container-based microservices Champion best practices in system design, development, and delivery Guide quality engineering efforts, including test automation and performance testing Mentor team members and promote a culture of knowledge sharing and collaboration Manage multiple workstreams, ensuring technical alignment and timely delivery Communicate progress, risks, and solutions clearly More ❯

to-end platform testing. Key Responsibilities You will Lead the development of automated tests and integrate them into the CI/CD pipeline to support functional, integration, regression, and performance testing Design, build, and maintain web and backend test automation frameworks Identify, analyse, and document defects, functional discrepancies, UI issues, and data inconsistencies. Partner with cross-functional development … teams to share testing insights and drive continuous product quality improvements. Mentor and guide junior QA engineers, fostering best practices and supporting their professional growth. Skills Knowledge & Expertise You excel at ensuring quality at every stage of development and release. Specifically, you: Define & Drive Test Strategy: Craft comprehensive test approaches, develop detailed plans and test cases, interpret outcomes, and … collaborate with stakeholders to guarantee release readiness. Execute End-to-End Testing: Lead both functional (integration, UI, regression, REST/GraphQL API) and non-functional (load, performance, security) test efforts. Build & Scale Automation: Design, implement, and maintain automated test suites using Cypress/Playwright, Mocha, K6, Postman. Leverage Modern Tech Stacks: Write clean, maintainable test code and custom More ❯

web-based products, contributing to the dedication to continuously improving. The role will involve collaborating with other QAs, developers, product owners and much more. This role will involve application performance testing, identifying security risks, writing test scripts and working closely various stakeholders. You will be focusing on Manual testing however in the future there will be the … opportunity to work on Automation testing. Role Requirements Minimum 5 years' experience in Manual Testing within a software focused and agile environment C#/Selenium/RestSharp/NUnit JIRA/Confluence Desirables: Swagger, DynamoDB, AWS Visual Studio and C# The Company This company continue to grow from strength to strength, working with clients all over the globe, offering More ❯

on development, automation, and infrastructure as code. Engineering Data analysis leveraging AI and agentic automation. In-depth experience with automation tools and deployment pipelines. Proficiency in Python, Gherkin (for testing), Java, and SQL. Hands-on experience with GitLab, Jenkins, TeamCity, and Nolio. Familiarity with CI/CD practices and automation frameworks. Other highly valued skills include: Experience with configuration … management tools such as Ansible and Chef. An understanding of Shift Left and Shift Right testing approaches. Experience with BDD (Behavior-Driven Development) and TDD (Test-Driven Development). Experience with test automation tools for regression and performance testing You may be assessed on the key critical skills relevant for success in role, such as risk and … excellence, fostering a culture of innovation, and collaborating with cross-functional teams to align technical decisions with business objectives. Accountabilities Lead engineering teams effectively, fostering a collaborative and high-performance culture to achieve project goals and meet organizational objectives. Oversee timelines, team allocation, risk management and task prioritization to ensure the successful delivery of solutions within scope, time, and More ❯

organisations to unlock the full potential of their data. You will design, develop, and maintain high-quality, scalable, and secure systems, applying engineering best practices and rigorous attention to performance and security across the full development lifecycle. Leading by example, you'll drive technical excellence through active contribution to architecture reviews, design discussions, and code reviews, fostering a culture … collaborate across engineering teams to build, refine, and enrich data-driven solutions that span diverse systems, data models, and cloud-native architectures. By championing best practices in engineering, including testing, observability, security, and robust documentation, you'll play a key role in ensuring Axon's platforms are reliable, maintainable, and prepared to scale. Work Location: This role is based … deploy code for an in-house L7 (reverse) proxy that allows users to securely access parts of the data platform directly Drive best practices around production data systems, including performance, testing, security, observability, and documentation. Troubleshoot and resolve issues in production environments to ensure data integrity and platform reliability What you bring: Bachelor's Degree in Computer Science More ❯

a highly experienced Salesforce Tester to support a major project involving Salesforce Lightning, Experience Cloud, and Service Cloud platforms. This role is critical for ensuring platform quality, accessibility, and performance across GDS-compliant digital services. Experience required: 8+ years' experience testing Salesforce applications, with 5+ years using Playwright for UI automation. Strong expertise in testing Salesforce Lightning … components (LWC), portals, and OmniScripts. Solid understanding of Salesforce testing best practices, accessibility compliance (WCAG 2.2), and performance testing. Experience integrating automated tests into CI/CD pipelines and using BrowserStack for cross-browser validation. Skilled in API testing (Postman) and working in Agile/DevOps environments. Key Responsibilities: Build and execute automated UI test scripts using … Playwright within Salesforce environments. Conduct manual and automated accessibility testing (NVDA) to ensure WCAG 2.2 compliance. Perform performance and regression testing across Salesforce Experience Cloud portals. Collaborate with developers and analysts to define robust test strategies. Integrate tests with Azure DevOps pipelines and support ongoing quality assurance within Agile teams. Desirable skills: Azure DevOps, Azure Test Plans More ❯

and time again The contractor In this role, flexibility is essential. Most of your time will be spent in the office, focusing more on programming PLC code and performing testing and commissioning tasks before the equipment is sent to the client. You should be confident in all aspects of PLC programming, with strong knowledge of sensors, pneumatics, robotics, and … the principles of vision systems. Key Responsibilities Programming PLC code for specific machines. Commissioning & developing special purpose automated machinery & systems Developing machine processes to achieve performance requirements Programming of various robots, including 6-axis, SCARA & Delta Modifications and enhancements to existing systems Provide customer training on delivered machines To communicate effectively to customers, suppliers and team members Key Tasks … To develop and commission machines and machine control systems Commissioning of machine control systems and development of machine processes, machine performance testing, Factory Acceptance and Site Acceptance testing Responsible for machine functionality Responsible for testing to ensure machine electrical systems & safety systems comply with all relevant European and international standards Operator training on machines on site More ❯

and time again The contractor In this role, flexibility is essential. Most of your time will be spent in the office, focusing more on programming PLC code and performing testing and commissioning tasks before the equipment is sent to the client. You should be confident in all aspects of PLC programming, with strong knowledge of sensors, pneumatics, robotics, and … the principles of vision systems. Key Responsibilities Programming PLC code for specific machines. Commissioning & developing special purpose automated machinery & systems Developing machine processes to achieve performance requirements Programming of various robots, including 6-axis, SCARA & Delta Modifications and enhancements to existing systems Provide customer training on delivered machines To communicate effectively to customers, suppliers and team members Key Tasks … To develop and commission machines and machine control systems Commissioning of machine control systems and development of machine processes, machine performance testing, Factory Acceptance and Site Acceptance testing Responsible for machine functionality Responsible for testing to ensure machine electrical systems & safety systems comply with all relevant European and international standards Operator training on machines on site More ❯

to fully integrated production lines. Key Responsibilities Commissioning & developing special purpose automated machinery & systems Fault finding of control and safety systems at customer sites Developing machine processes to achieve performance requirements Programming of various robots, including 6-axis, SCARA & Delta On-site support and servicing of mechanical and electrical systems Modifications and enhancements to existing systems Provide customer training … effectively to customers, suppliers and team members Key Tasks To develop and commission machines and machine control systems Commissioning of machine control systems and development of machine processes, machine performance testing, Factory Acceptance and Site Acceptance testing Responsible for machine functionality Responsible for testing to ensure machine electrical systems & safety systems comply with all relevant European More ❯

SDET OR Python Developer with testing experience (Multiple roles) £700 - £900 per day via PAYE London - 5 days a week on site 12-month initial contract with scope to extend Sanderson recruitment are working with a Global financial services business based in London who currently require a number of SDET with strong python programming skills or a Python Developer … with Testing experience for an AI-led business transformation. Strong programming skills in Python is a must have Experience with either Pytest or Selenium frameworks Experience with performance testing tools in JMeter, Blaze Meter or Locust Knowledge of artificial intelligence and machine learning concepts Solid understanding of software testing methodologies and best practices Reasonable Adjustments: Respect More ❯

roles. Familiarity with tools like Postman, TestRail, GitLab CI/CD,and containerised environments. A proactive, detail-oriented mindset and strongcommunication skills. Bonus Points: FinTech or regulated environment experience. Performance testing experience (e.g., JMeter, k6). ISTQB certification or knowledge of BDD tools like Cucumber. What We Offer A collaborative and innovative work environment with awesomecareer growth opportunities More ❯

of scripting languages and scripting for automation. AWS and/or Azure Continuous Integration Linux system administration Ability to review and apply different tools and techniques e.g. monitoring, logging, performance testing Responsibilities Apply test skills and experience within the context of an Agile software delivery team Responsible for the creation and maintenance of automated test frameworks Define and More ❯

plans, and scripts. Lead and mentor a team of QA engineers, fostering a culture of quality and continuous improvement. Coordinate with development and product teams to ensure alignment on testing priorities and deliverables. Understanding of Functional Requirements: Collaborate with product managers and business analysts to thoroughly understand functional requirements and acceptance criteria. Ensure test cases comprehensively cover all functional … requirements and user stories. Provide feedback on requirements and designs to ensure testability and completeness. Automated Testing: Design and develop automated test frameworks and test cases for functional, regression, and performance testing. Integrate automated tests into the CI/CD pipeline to ensure rapid and reliable delivery of software. Monitor and analyse test results, providing actionable insights to … with the DevOps team to enhance and maintain the CI/CD pipeline, ensuring seamless integration of automated tests. Implement and maintain QA tools and infrastructure to support automated testing and continuous delivery. Ensure the QA process aligns with DevOps best practices, focusing on efficiency and scalability. API Testing: Develop and execute API tests to validate the functionality More ❯

link dissimilar automation devices as seamlessly as if they were all from the same supplier.- We are looking for a Quality Assurance (QA) engineer familiar with network management software testing, regression and performance testing.- Proficiency in automating tests, test cases creation and integration and system testing execution is required.- Knowledge of network management systems, network telemetry, troubleshooting … and configuration is required.- Experience with network protocols, network performance analysis and real-time monitoring is mandatory.- Experience with industrial automation network management and real customer issues is welcome. Responsibilities - Liaise with internal teams (e.g. developers and architects) to identify system requirements- Review requirements, specifications and technical design documents to provide timely and meaningful feedback- Estimate, prioritize, plan and … execute testing activities- Create detailed, comprehensive and well-structured test plans- Improve and develop functionality for internal test automation framework- Design, develop and execute automated tests using internal test automation framework- Perform regression testing for software validation and investigate results by debugging failed tests- Identify, record, document thoroughly and track issues- Debug customer issues and help the fixing More ❯

link dissimilar automation devices as seamlessly as if they were all from the same supplier.- We are looking for a Quality Assurance (QA) engineer familiar with network management software testing, regression and performance testing.- Proficiency in automating tests, test cases creation and integration and system testing execution is required.- Knowledge of network management systems, network telemetry, troubleshooting … and configuration is required.- Experience with network protocols, network performance analysis and real-time monitoring is mandatory.- Experience with industrial automation network management and real customer issues is welcome. Responsibilities - Liaise with internal teams (e.g. developers and architects) to identify system requirements- Review requirements, specifications and technical design documents to provide timely and meaningful feedback- Estimate, prioritize, plan and … execute testing activities- Create detailed, comprehensive and well-structured test plans- Improve and develop functionality for internal test automation framework- Design, develop and execute automated tests using internal test automation framework- Perform regression testing for software validation and investigate results by debugging failed tests- Identify, record, document thoroughly and track issues- Debug customer issues and help the fixing More ❯

disseminate knowledge to global colleagues to foster collaboration Develop and update procedures and systems for Network Operations and GCO to ensure consistent system behaviour and end-to-end service performance Supervise resolution of network issues, including traffic restoration, troubleshooting and follow-up Conduct network monitoring, provisioning, and routine maintenance to uphold network integrity Manage corrective actions during complex incidents … implementations, and ensure minimal traffic impact Collaborate with vendor development teams to validate and safely deploy new software and configuration updates Generate and deliver regular reports on network traffic, performance, testing, and SLA compliance Perform preventive maintenance and ensure hardware availability, including redundancy schemes Contribute to project tasks and support delivery initiatives Provide operational input and assist in … ensure excellent customer experience What you'll need Bachelor's degree in engineering, telecommunications, or a related field; or significant experience in systems engineering management, including telecommunication system design, testing, and implementation In-depth understanding of satellite telecommunication technology Familiarity with Amazon Web Services (AWS) Strong knowledge of IP protocols and networking concepts Demonstrated expertise working within international telecommunications More ❯

and source components, and supervise schematic creation and PCB layout Produce design test documentation and perform technical requirements analysis Resolve design and integration issues and support type approval Conduct performance testing and optimisations to meet specified criteria Collaborate with baseband, software, and audio teams to integrate RF solutions into broader projects Create detailed technical documentation, including design reports … test plans, and performance assessments Manage multiple projects simultaneously and effectively allocate resources Perform hands-on work with sensitive PCBs, including rework and modifications Travel to customer or partner sites as required Requirements of the Senior RF Engineer based in Waterbeach, Cambridgeshire: Bachelor's or Master's degree in Electronics Engineering, Telecommunications, or a related field Extensive experience in … RF design and development, ideally within telecommunications or critical communications Comprehensive knowledge of RF systems and technologies, including design, simulation, and testing Strong hands-on design experience and component-level expertise Experience in at least three of the following: RF Tx/Rx architectures, RF receivers, RF transmitters, RF power amplifiers, EMC/EMI, frequency generators, antenna design/ More ❯

and source components, and supervise schematic creation and PCB layout Produce design test documentation and perform technical requirements analysis Resolve design and integration issues and support type approval Conduct performance testing and optimisations to meet specified criteria Collaborate with baseband, software, and audio teams to integrate RF solutions into broader projects Create detailed technical documentation, including design reports … test plans, and performance assessments Manage multiple projects simultaneously and effectively allocate resources Perform hands-on work with sensitive PCBs, including rework and modifications Travel to customer or partner sites as required Requirements of the Senior RF Engineer based in Waterbeach, Cambridgeshire: Bachelor's or Master's degree in Electronics Engineering, Telecommunications, or a related field Extensive experience in … RF design and development, ideally within telecommunications or critical communications Comprehensive knowledge of RF systems and technologies, including design, simulation, and testing Strong hands-on design experience and component-level expertise Experience in at least three of the following: RF Tx/Rx architectures, RF receivers, RF transmitters, RF power amplifiers, EMC/EMI, frequency generators, antenna design/ More ❯

from requirements gathering to operational acceptance.*Proven experience in network troubleshooting across multiple vendors and technology areas.*Excellent communication skills and ability to work with multiple stakeholders.*Experience of performance testing of cyber monitoring tools (sizing, capacity management and planning, performance troubleshooting). Reasonable Adjustments: Respect and equality are core values to us. We are proud of More ❯

open standards including EVPN and VXLAN. Knowledge of design and engineering techniques around integration of firewalls into fabric networks. Knowledge of current systems engineering best practices around the monitoring, performance testing, and security considerations of complex multi-tenanted networks. Proven experience of using open automation toolsets (Ansible, NetBox, and vendor frameworks) to deploy network infrastructure at scale. Experience More ❯

of the following programming languages: JAVA, .NET, Node.js, PHP, C, C++, HTML etc. 2. Knowledge in middleware like WebLogic, WebSphere etc. 3. Demonstrates thorough knowledge and awareness of application performance issues in complex multi-tiered environment 4. Ability to do requirement gathering and target environment analysis from an APM perspective 5. In-depth understanding of Dynatrace license construct 6. … experience of creating custom configuration and alerting in Dynatrace deployments ensuring end-to-end tool functionality 10. Expertise in triage and analysis of issues with collection and analysis of performance metrics as-required to diagnose complex system problems in a timely manner 11. Ability to integrate Dynatrace with various supported ITSM, CI/CD and QA/Performance Testing tools 12. Ability to create custom dashboards from the Dynatrace tool based on customer requirements 13. Strong knowledge of APM KPIs and reporting 14. Ability to deliver client PoC/PoV demonstrating tool benefit and capabilities 15. Ability to document resolved issues in an effective manner for knowledge management 16. Ability to cross-train peers with tool More ❯

to gain hands-on experience working with a dynamic team of developers on real-world projects. You’ll assist in designing and implementing user interfaces, improving functionality, and ensuring performance across platforms. The ideal candidate will have a strong interest in modern web technologies and a proactive attitude towards learning and development. Contract Type: Outside IR35 Location: Fully Remote … front-end interfaces. Contribute to the maintenance and improvement of reusable front-end components. Support integration of front-end features with back-end systems and APIs. Participate in debugging, performance testing, and front-end optimisation. Work collaboratively with developers, designers, and product managers. Stay informed on evolving tools, frameworks, and front-end trends. Help document workflows, processes, and More ❯

will be critical to ensure a high quality product. Responsibilities You will be responsible for designing, implementing, and maintaining critical parts of a large-scale search engine, improving its performance and capabilities Architect, develop, and optimize core search infrastructure to support large-scale data ingestion, indexing, and querying Continuously monitor and improve the speed, scalability, and efficiency of search … needs Qualifications 5+ years of hands-on experience with Python, Java and/or C++ Development of distributed systems Kubernetes (K8s) AWS (SQS, DynamoDB, EC2, S3, Lambda) Apache Spark Performance testing Bonus Search system development (indexing/runtime/crawling) MLOps development and/or operations The cash compensation range for this role is $80,000 - $160,000. More ❯

will be excellent long-term career and professional development opportunities with this well-respected and fast-growing UK company. Tests carried out at this facility include : Mechanical, Physical & Structural testing Durability tests Weather Resistance tests Thermal Performance testing More ❯

and adapt solutions using AWS services, to manage high traffic applications that serve millions of users every day Integrate monitoring and support tools to achieve operational excellence. Utilise modern testing standards and techniques to ensure code meets functional and non-functional requirements. Lead technical projects from understanding requirements through to completed delivery. Play an active role in agile planning … delivering sizable projects to completion, using agile methodologies, able to break down delivery of solutions from epics to small parallelisable tasks. Knowledge of addressing operational concerns such as monitoring, performance testing, scaling, availability, resilience, and security. Handling incidents, and post-incident review processes. Be a positive proactive influence on your team's culture, ways-of-working, and technical More ❯