26 to 50 of 71 Performance Testing Jobs in the UK

motivated team of engineers from all walks of life. Responsibilities as a Firmware Engineer: Develop driver firmware for proprietary silicon Work throughout the whole SDLC, including bring-up, regression testing and performance testing Validate new silicon chips Experience required: Strong background in real-time embedded firmware 5+ years of experience with C/C++ development 2+ years More ❯

ll be doing: Create automation tests based on manual scenarios and be involved in enhancing framework architecture and implementation for areas such as UI, REST API, process automation, and performance validation; Assist in building reliable fast feedback loops by integrating automation testing in CI and discovery pipelines; Help build testing-related documentation, including test plans, test cases … office. Ways to stand out from the crowd: Academic or personal projects involving AI/ML, especially with LLMs or prompt engineering; Experience with test automation frameworks or building testing tools; Familiarity with NVIDIA GPU hardware; Coursework or projects in distributed systems, performance testing, or data analysis; Experience with version control systems (Git) and collaborative development workflows. More ❯

to production monitoring. What you'll do: Test Planning & Execution: Collaborate with engineers to translate product requirements into effective test cases and automated test suites, covering integration, functional, component, performance, and API testing. Analyse test results to identify defects and ensure product quality. Tech Stack Responsibilities: Develop and maintain automated tests for applications built using Java 11 , Spring Boot … running automated test scripts. Ensure integration of automated tests throughout the CI/CD pipeline. Collaboration: Work closely with Software Engineers, QA Analysts, and DevOps engineers to integrate automated testing early in the development process. Participate in code reviews and agile ceremonies, providing insights on testability and software quality. Continuous Improvement: Identify opportunities to improve testing processes and … comprehensive documentation for test plans, cases, results, and automation frameworks. Required Education & Experience: Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with performance testing tools such as Apache Bench, JMeter, LoadRunner , or modern alternatives like K6, Gatling . Experience working with Java 11, Spring Boot 2.7 , and Oracle 19 is highly More ❯

SDET 6 Month contract £425 - £475 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Selenium and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and … scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration and delivery (CI/CD) practices. Utilise Fetch API to automate interactions with web services and validate data flows. Perform exploratory … testing and contribute to the overall improvement in quality assurance processes. Identify and document defects and work closely with engineering teams to drive resolution. Mentor junior team members and provide expertise in test automation best practices. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and More ❯

to be working with a leading manufacturing company to assist with their recruitment of a Junior Test Automation Engineer. The successful candidate will have a strong foundation in automated testing and some hands-on exposure to hardware. This is an excellent opportunity for someone early in their career who enjoys problem solving, working with test frameworks, and understands how … teams, and help ensure products meet high quality standards. Key Responsibilities include: Develop, maintain, and execute automated test scripts for software and system validation. Support regression, functional, integration, and performance testing activities. Work closely with hardware and software teams to design and validate test scenarios. Assist in setting up, configuring, and troubleshooting test environments (including hardware test setups … . Document test results, defects, and improvements with clarity and accuracy. Contribute to continuous improvement of testing frameworks, processes, and coverage. Participate in code reviews and collaborate on improving automation strategy. Requirements: 1-4 years' experience in test automation or QA engineering. Basic programming/scripting skills (e.g., Python, Java, JavaScript, C#, or similar). Some exposure to hardware More ❯

technology company is seeking an experienced Software QA Engineer to join their innovative team. This is an exciting opportunity for a detail-oriented professional who is passionate about quality, performance, and reliability, and thrives in a collaborative, fast-paced environment. Key Responsibilities Champion quality and best practice across teams and projects. Develop and execute detailed test plans and validation … procedures. Collaborate with developers and analysts to identify and resolve issues. Configure and manage test tools, troubleshoot bugs, and support release processes. Produce clear testing documentation and provide end-user training when required. Maintain strong communication with clients and stakeholders to ensure smooth delivery. Key Skills & Experience 5+ years' experience in QA or software support. Strong knowledge of Agile … methodologies and the software development lifecycle. Experience with automated testing (JavaScript/TypeScript), Playwright, and source control tools. Excellent analytical, communication, and problem-solving skills. ISTQB certification, performance testing, and client support experience are advantageous. Everybody is Welcome Diversity and Inclusion Statement PCR Digital "At PCR Digital, we are committed to ensuring that diversity, equity and inclusion More ❯

technology company is seeking an experienced Software QA Engineer to join their innovative team. This is an exciting opportunity for a detail-oriented professional who is passionate about quality, performance, and reliability, and thrives in a collaborative, fast-paced environment. Key Responsibilities Champion quality and best practice across teams and projects. Develop and execute detailed test plans and validation … procedures. Collaborate with developers and analysts to identify and resolve issues. Configure and manage test tools, troubleshoot bugs, and support release processes. Produce clear testing documentation and provide end-user training when required. Maintain strong communication with clients and stakeholders to ensure smooth delivery. Key Skills & Experience 5+ years' experience in QA or software support. Strong knowledge of Agile … methodologies and the software development lifecycle. Experience with automated testing (JavaScript/TypeScript), Playwright, and source control tools. Excellent analytical, communication, and problem-solving skills. ISTQB certification, performance testing, and client support experience are advantageous. Everybody is Welcome Diversity and Inclusion Statement | PCR Digital "At PCR Digital, we are committed to ensuring that diversity, equity and inclusion More ❯

Zscaler, Netskope, Prisma Access, Cloudflare One, etc. Translate security architecture principles (Zero Trust, SASE) into actionable user stories, epics, and sprint plans. Collaborate with engineering teams on PoC setup, performance testing, latency/PoP validation, and policy enforcement. Define and measure KPIs, SLAs, and success metrics (e.g., threat coverage, latency impact, policy adherence). Ensure integration of SSE More ❯

join our clients dynamic Engineering team. You’ll play a key role in building high-quality, scalable software solutions and help deliver reliable, high-performing software products through advanced testing practices and robust automation frameworks. High proficiency with Playwright, Typescript and SQL are the key technical requirements. About the Role You’ll play a key role in building and … meet high quality standards from start to finish. Key Responsibilities Design and maintain automated test frameworks Create and execute automated test scripts that align with changing requirements. Conduct API testing with tools such as Postman and validate data using advanced SQL queries. Collaborate with engineering and business teams to ensure test coverage aligns with business goals. Continuously improve testing … with Playwright Experience with pushing changes to git Knowledge of Given-when-then (BDD). Advanced SQL skills is a key requirement ISTQB certification or equivalent is highly desirable. Performance testing experience is also expected (30% of time More ❯

to scale & build our core banking engine and payment infrastructure. You’ll Own: Creating payment integrations with UK & EU leading payment providers & Visa/Mastercard Designing and developing high-performance APIs for efficient request and data handling Building the data pipeline that turns financial data into instant compliance checks Maintain and scale Card issuing and loyalty platform Develop Payments … loyalty platform Strong technical ownership for your tasks across all stages: understanding subject domain and requirements, solution design and architecture, integrations with internal and external services, software reliability and performance, testing, rollout and maintenance End-to-end software life cycle contribution including CI/CD, monitoring and alerts, production support of the solution Maintain strong collaboration with front More ❯

HCM Data Roles, Duty Roles) and data segregation principles. Conduct code reviews, peer validations, and maintain configuration control through Visual Builder Studio (VBS) and Git. Support SIT, UAT, and performance testing phases; troubleshoot and optimise custom components for scalability. Document technical designs, configuration guides, and release notes in line with project quality processes. Innovation & Enablement You Will: Identify … maternity/paternity leave policies to support your journey. Active ESG & CSR initiatives, allowing you to give back through fundraising, volunteering, and diversity, inclusion & belonging programmes. Benefits Include: Quarterly performance-related profit share Hybrid/Remote working flexibility Pension, private healthcare, life assurance cover Certified Great Place to Work for 10+ years running This is hybrid based with occasional More ❯

and mantain Python based services and API's for existing and new software solutions. Participate actively in the design of microservices architecture integrated with the cloud infrastructure. Support unit testing, automated testing, and performance testing. Provide technical support for existing solutions, systems, and datasets when escalated by the development support team. Scope and define detailed technical product More ❯

using Control-M and improve margin run performance. Implement trade compression and portfolio margining solutions. Collaborate with cross-functional teams to refine business requirements and deliver scalable solutions. Conduct performance testing and capacity analysis. Participate in agile ceremonies and act as Scrum Lead when required. Required Skills & Experience: 5+ years of Murex development experience, ideally within FX or More ❯

in Cambridge who are looking to a Senior Test Engineer to their growing team. This is a full-time permanent position and offers hybrid working. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Excellent communication skills Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools ISTQB certification (desirable More ❯

have the opportunity to work with cutting-edge technologies, learn from experienced colleagues, and make a meaningful impact on the solutions we deliver. Your Skills & Experience: Experience with API testing and tools such as Postman. Familiarity with functional or system integration testing. Hands-on experience with automated testing frameworks (e.g., Cucumber, JUnit). Knowledge of stubbing tools like … Wiremock. Understanding of non-functional testing, including load and performance testing. Experience using tools like JIRA, Confluence, or other backlog/test management platforms. Exposure to iterative or incremental software delivery practices. Ability to maintain and execute automated testing cycles. Familiarity with version control systems such as Git. Understanding of Agile methodologies and ways of working. Please … able and willing to be onsite in Shropshire 3 days per week. Recruiters Notes: SC eligible. Must be able to work as part of agile team. When happy with testing/level of quality - they will start test build and test analysis - will need test skills - need to be able to de-compose requirements/understand partitions need to More ❯

feature development, improvements to existing systems and contributing to shared components used across several teams. Responsibilities: Building and refining product features with a focus on clarity, usability and reliable performance Investigating complex issues, including concurrency challenges and memory related faults Writing maintainable software across multiple environments and languages Designing and implementing core components that support broader product functionality Developing … libraries and APIs used across different engineering groups Creating and maintaining test plans for unit integration, automated and performance testing Working in an Agile environment alongside experienced engineers Requirements for Success: Strong experience with Python and Rust with solid software engineering fundamentals Comfortable working across Linux Windows and cloud platforms Experience writing clean, reliable code and designing maintainable More ❯

feature development, improvements to existing systems and contributing to shared components used across several teams. Responsibilities: Building and refining product features with a focus on clarity, usability and reliable performance Investigating complex issues, including concurrency challenges and memory related faults Writing maintainable software across multiple environments and languages Designing and implementing core components that support broader product functionality Developing … libraries and APIs used across different engineering groups Creating and maintaining test plans for unit integration, automated and performance testing Working in an Agile environment alongside experienced engineers Requirements for Success: Strong experience with Python and Rust with solid software engineering fundamentals Comfortable working across Linux Windows and cloud platforms Experience writing clean, reliable code and designing maintainable More ❯

feature development, improvements to existing systems and contributing to shared components used across several teams. Responsibilities: Building and refining product features with a focus on clarity, usability and reliable performance Investigating complex issues, including concurrency challenges and memory related faults Writing maintainable software across multiple environments and languages Designing and implementing core components that support broader product functionality Developing … libraries and APIs used across different engineering groups Creating and maintaining test plans for unit integration, automated and performance testing Working in an Agile environment alongside experienced engineers Requirements for Success: Strong experience with Python and Rust with solid software engineering fundamentals Comfortable working across Linux Windows and cloud platforms Experience writing clean, reliable code and designing maintainable More ❯

critical service functionality quickly and efficiently. Automate repetitive operational tasks ("toil") to increase system efficiency, reduce manual effort, and free up engineering time. Drive continuous improvement in system reliability, performance, and recoverability (Disaster Recovery/Business Continuity Planning). Collaborate closely with development teams (DevOps) to improve the entire software lifecycle, focusing on service stability and release engineering. Establish … and refine Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs) for critical services. Conduct capacity planning and performance testing to ensure the AWS environment can handle current and future load requirements. Who we're looking for At Reapit, we prioritise hiring individuals who share our values and possess the right attitudes and behaviours More ❯

Familiarity with AWS and/or Azure Experience with Continuous Integration Linux system administration skills Ability to review and apply different tools and techniques, such as monitoring, logging, and performance testing Benefits: Competitive salary 25 days holiday plus statutory public holidays, with the opportunity to buy and sell up to 5 days Contributory Pension Scheme (up to 10.5 More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools (Grafana More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools (Grafana More ❯

dedicated UX/UI designer, engaging in rapid daily iteration to translate high-fidelity, interactive prototypes into pixel-perfect, production-ready code. ? Real-Time Data Streaming: Engineer the high-performance live transcript view, which displays the AI-screened conversation as the phone is ringing . This involves consuming real-time streaming text data from our backend AI orchestration layer … via WebSockets. ? Mastering Perceived Performance: Implement the critical mid-call intervention feature, allowing a user to seamlessly accept a call from the AI agent. You will become an expert in designing for our < 1000ms V2V (voice-to-voice) latency budget, ensuring the entire UX flow feels fast and responsive. ? API & Backend Integration: Partner with our backend (Application & AI Orchestration … models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries. ? MWC Demo Ownership: Be directly responsible for the polish, stability, and performance of the Welcome Manager application for its critical debut at MWC 2026. ? Cross-Functional Partnership: Collaborate closely with the other Senior Android Engineer (who owns the native CallScreeningService and More ❯

dedicated UX/UI designer, engaging in rapid daily iteration to translate high-fidelity, interactive prototypes into pixel-perfect, production-ready code. Real Time Data Streaming: Engineer the high-performance live transcript view, which displays the AI-screened conversation as the phone is ringing. This involves consuming Real Time streaming text data from our Back End AI orchestration layer … via WebSockets. Mastering Perceived Performance: Implement the critical mid-call intervention feature, allowing a user to seamlessly accept a call from the AI agent. You will become an expert in designing for our < 1000ms V2V (voice-to-voice) latency budget, ensuring the entire UX flow feels fast and responsive. API & Backend Integration: Partner with our Back End (Application & AI … models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries. MWC Demo Ownership: Be directly responsible for the polish, stability, and performance of the Welcome Manager application for its critical debut at MWC 2026. Cross-Functional Partnership: Collaborate closely with the other Senior Android Engineer (who owns the native CallScreeningService and More ❯

support. The role involves supporting project milestones, ensuring effective handover to service, and resolving complex network issues across multiple vendors and domains. You will work with stakeholders, assist with performance testing, and contribute to automation and continuous improvement. What We're Looking For - Network Design Engineer Strong experience with Cisco and Juniper technologies, with certifications such as CCNA More ❯