1 to 25 of 63 Performance Testing Jobs in London

Performance Test Engineering Consultant Join Ten10s Expert Consultancy Team Location: Hybrid (London office + client site travel as required) Employment Type: Fixed Term Contract Start Date: December The Opportunity Are you an experienced SDET with Performance Test experience looking to take the next step in your career within a dynamic and growing consultancy? At Ten10 , we are looking … fortalented SDETs with Performance Test Engineering experience to join our highly skilled consultancy team. This is an exciting opportunity to work on diverse and challenging client projects, ensuring the delivery of high-performing applications and systems. About Ten10 Ten10 is the UKs leading independent Quality Engineering & Software Testing consultancy. We work with a range of clients across multiple … Our consultants are at the heart of what we do, and we invest in their development to ensure they remain at the forefront of industry trends. Role Responsibilities Deliver performance testing solutions to a range of clients, ensuring systems are scalable, reliable, and performant. Design, implement, and execute performance test strategies , including load, stress, scalability, and endurance More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … is the recruitment partner to a successful and expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience … the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. Good Java programming skills. Open to building test automation skills in Typescript and Playwright. Participate in the continuous improvement of the Quality Engineering process, including More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … is the recruitment partner to a successful and expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience … the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. Good Java programming skills. Open to building test automation skills in Typescript and Playwright. Participate in the continuous improvement of the Quality Engineering process, including More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … is the recruitment partner to a successful and expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience … the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. Good Java programming skills. Open to building test automation skills in Typescript and Playwright. Participate in the continuous improvement of the Quality Engineering process, including More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … is the recruitment partner to a successful and expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience … the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. Good Java programming skills. Open to building test automation skills in Typescript and Playwright. Participate in the continuous improvement of the Quality Engineering process, including More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … is the recruitment partner to a successful and expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience … the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. Good Java programming skills. Open to building test automation skills in Typescript and Playwright. Participate in the continuous improvement of the Quality Engineering process, including More ❯

challenges and mentoring others, this could be your perfect next step. Why Join Ten10? Were proud to be one of the UKs leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps . Our mission is simple: help our clients achieve their goals by implementing innovative, high-quality engineering practices. Heres what makes us stand out: Challenging Projects … aspirations. Flexibility: Our hybrid working model gives you the balance you need. The Role As a Principal Technical Consultant , youll bring your extensive knowledge of software engineering, automation, and performance testing to create bespoke solutions for our clients. Youll also take a leadership role, guiding your team to success and leading by example. What Youll Be Doing Design … and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination . Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. Provide Expert Insights: Conduct technical QA health checks to assess and improve client approaches to automation or performance More ❯

Non functional Test Lead - £700 per day inside IR35 - London (hybrid 3 days per week in the office) - Performance testing experience Please note: This role requires candidates to be able to commute into the London office 3 days per week. La Fosse is partnering with a global organisation to recruit a Non-Functional Test Lead on a contract … basis. The role is responsible for defining and executing the non-functional testing strategy, including performance, load, and disaster recovery testing across multiple systems. Acting as a Subject Matter Expert (SME), the Test Lead will guide test design, execution, and analysis, ensuring system reliability, scalability, and performance, while identifying opportunities to improve processes and infrastructure. Key … requirements: Proven experience in documenting and implementing non-functional test strategies , including performance, load, stress, and disaster recovery testing Hands-on experience in performance testing tools (e.g., JMeter, LoadRunner, Gatling) and analyzing results to identify bottlenecks Experience planning and executing Disaster Recovery (DR) tests across multiple systems and applications (e.g., Endur, Kafka, TRM, FRAME, FDH, Discovery More ❯

Non functional Test Lead - £700 per day inside IR35 - London (hybrid 3 days per week in the office) - Performance testing experience Please note: This role requires candidates to be able to commute into the London office 3 days per week. La Fosse is partnering with a global organisation to recruit a Non-Functional Test Lead on a contract … basis. The role is responsible for defining and executing the non-functional testing strategy, including performance, load, and disaster recovery testing across multiple systems. Acting as a Subject Matter Expert (SME), the Test Lead will guide test design, execution, and analysis, ensuring system reliability, scalability, and performance, while identifying opportunities to improve processes and infrastructure. Key … requirements: Proven experience in documenting and implementing non-functional test strategies , including performance, load, stress, and disaster recovery testing Hands-on experience in performance testing tools (e.g., JMeter, LoadRunner, Gatling) and analyzing results to identify bottlenecks Experience planning and executing Disaster Recovery (DR) tests across multiple systems and applications (e.g., Endur, Kafka, TRM, FRAME, FDH, Discovery More ❯

do and turning feedback into perfect software, you’ll fit right in. What you’ll do Think like a user: design and execute test plans, test cases, and exploratory testing for iOS and/or Android apps Catch edge cases, regression bugs, performance hiccups, and accessibility gaps before they reach our customers Collaborate with product managers, designers, and … release readiness activities: release notes, risk assessments, and sprint reviews Help shape QA processes, promote quality culture, and share learnings with the team What we’re looking for Experience testing mobile apps on iOS and/or Android (hands-on in a product/web/mobile app environment) Strong eye for detail and a user-centric mindset Familiarity … issue tracking, and test case management Ability to write clear, reproducible bug reports and communicate effectively with cross-functional teams Optional but nice-to-have: basic automation scripting, API testing, performance testing, accessibility testing Bonus: knowledge of mobile devices, OS versions, and real-device testing vs. emulators/simulators What you’ll bring A collaborative More ❯

do and turning feedback into perfect software, you’ll fit right in. What you’ll do Think like a user: design and execute test plans, test cases, and exploratory testing for iOS and/or Android apps Catch edge cases, regression bugs, performance hiccups, and accessibility gaps before they reach our customers Collaborate with product managers, designers, and … release readiness activities: release notes, risk assessments, and sprint reviews Help shape QA processes, promote quality culture, and share learnings with the team What we’re looking for Experience testing mobile apps on iOS and/or Android (hands-on in a product/web/mobile app environment) Strong eye for detail and a user-centric mindset Familiarity … issue tracking, and test case management Ability to write clear, reproducible bug reports and communicate effectively with cross-functional teams Optional but nice-to-have: basic automation scripting, API testing, performance testing, accessibility testing Bonus: knowledge of mobile devices, OS versions, and real-device testing vs. emulators/simulators What you’ll bring A collaborative More ❯

Performance Test Engineer - £565 per day Outside IR35 - Contract - London (Hybrid) La Fosse has partnered with an established and reputable business to recruit a Performance Test Engineer for an initial 4-month contract . This role requires an individual with exceptional hands-on performance testing experience , capable of designing, executing, and analysing performance tests across … role in ensuring scalability, stability, and reliability of business-critical application Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect tracking. Interview Processes: 2 stage More ❯

Performance Test Engineer - £565 per day Outside IR35 - Contract - London (Hybrid) La Fosse has partnered with an established and reputable business to recruit a Performance Test Engineer for an initial 4-month contract . This role requires an individual with exceptional hands-on performance testing experience , capable of designing, executing, and analysing performance tests across … role in ensuring scalability, stability, and reliability of business-critical application Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect tracking. Interview Processes: 2 stage More ❯

pension, death in service benefit, private medical cover, reduced gym membership and free eye tests. Discretionary annual bonus schemes are offered to all staff based on individual and business performance and contribution to the business. There is also the opportunity to join the company Share Plan scheme. Cytec Solutions is a technology company, with a pedigree for developing, implementing … directly to the CPO. The Software Tester role, is a newly created position for the company and will offer the right candidate significant influence and autonomy to shape the testing approach to our business. We are looking for an experienced Software Tester who is excited to take full ownership of our testing practice. This role is ideal for … someone ready to step up beyond execution, eager to set the testing strategy, implement automation frameworks, and champion quality across our development lifecycle. Develop, maintain and execute test plans, test cases and regression suites for web and API based applications. Define and evolve the overall testing strategy across manual and automated workflows. Implement and manage a new automation More ❯

candidates will be required to commute into the London office twice a week. La Fosse have partnered with a London-based client to recruit for a role focused on performance and web testing. The ideal candidate will have strong experience with JMeter for performance testing and UI automation expertise using Selenium with C#. Key requirements: - Proven experience … in UI automation using Selenium with C#/.NET. - Strong background in load & performance testing with JMeter. - Skilled in designing, executing, and analyzing performance test cases. - Proficient in Zephyr for Jira for test management and defect tracking. Please reach out to me directly if this is of interest More ❯

candidates will be required to commute into the London office twice a week. La Fosse have partnered with a London-based client to recruit for a role focused on performance and web testing. The ideal candidate will have strong experience with JMeter for performance testing and UI automation expertise using Selenium with C#. Key requirements: - Proven experience … in UI automation using Selenium with C#/.NET. - Strong background in load & performance testing with JMeter. - Skilled in designing, executing, and analyzing performance test cases. - Proficient in Zephyr for Jira for test management and defect tracking. Please reach out to me directly if this is of interest More ❯

solver with a knack for uncovering bugs and optimising software quality, this is your chance to make an impact and grow your career. What You’ll Be Doing Automation Testing Develop, maintain, and execute automated test scripts using UI automation tools (preferably Selenium). Focus on programming in C# (preferred), though experience in Python, Java, or other languages is … acceptable Collaborate with developers to integrate automated tests into the development process and CI/CD pipelines. Manual Testing Conduct thorough manual testing to validate software functionality and user experience. Write and execute detailed test cases and plans across various platforms. Identify, track, and document defects using our established bug tracking tools. What We’re Looking For We … our project. Familiarity with design patterns and best practices in C#. Bonus Points For : Exposure to CI/CD pipelines (GitHub Actions, Azure, Jenkins, etc.). Experience with API testing tools like Postman, Insomnia, or curl. Exposure to performance testing tools. Who You Are Independent and Proactive: You’re comfortable taking the lead and researching solutions independently More ❯

Infrastructure and Software Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Software Testing experience +Infrastructure Testing experience +AWS/Azure +API +Manual and automated testing experience We’re looking for a hands-on Tester who’s as comfortable checking infrastructure deployments and systems performance … environments — from cloud setups and APIs to end-user interfaces — ensuring everything we ship is rock solid, performant, and secure. This isn’t a “click-around-and-tick-boxes” testing role. We need someone with strong technical grounding, curiosity, and the confidence to dive into environments beyond just the front end. Key Responsibilities Execute and maintain test plans for … backend services, and application layers. Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD). Perform integration, regression, and performance testing across multiple platforms. Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the lifecycle. Contribute to continuous improvement of QA practices, tools More ❯

clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and screen sizes. Validate fixes and confirm resolution of reported issues. Help define and refine QA metrics and contribute to … in release planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity … collaborative attitude. Strong communication skills in English—both written and verbal. 🌟 Bonus Skills Experience working with CI/CD pipelines and integrating tests into build workflows. Knowledge of API testing tools such as Postman. Awareness of accessibility testing and inclusive design principles. Familiarity with mobile performance testing and monitoring tools. 🎓 Qualifications Degree in Computer Science, Engineering More ❯

The organisation is transitioning from legacy systems to a cloud-native, Kafka-based architecture designed for resilience, scalability, and performance. You’ll be part of a growing Non-Functional Testing (NFT) team responsible for ensuring that services and platforms meet the highest standards for performance, reliability, and operational readiness. This is a technically rich role, working across multiple … domains including performance, failover, disaster recovery, resilience, alerting, and monitoring. Responsibilities Define, document, and execute Non-Functional Requirements (NFRs) across distributed microservices and infrastructure components. Collaborate with architects, product owners, and engineering squads to translate NFRs into measurable test scenarios. Develop and implement NFT strategies covering performance, scalability, failover, DR, resilience, alerting, and monitoring. Design and execute load … standard tools such as JMeter, LoadRunner, or ADS. Set up observability dashboards (Grafana, Splunk, Dynatrace, Kibana, or Datadog) to monitor test execution and system performance. Analyse results to identify performance bottlenecks, system vulnerabilities, and areas for optimisation. Report findings and recommendations clearly to both technical and non-technical stakeholders. Contribute to test automation frameworks, CI/CD integration, and More ❯

Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. Exposure to … fund accounting, fund administration, or wealth management domains is a strong plus. Key Responsibilities: Lead and execute end-to-end testing of web and mobile applications. Design, develop, and maintain automation test scripts using Selenium with Python. Perform API testing using tools like Postman, including validation of request/response payloads, headers, and authentication. Write and execute complex … regression testing. Ensure timely delivery of QA deliverables in Agile/Scrum environments. Provide QA metrics and status reports to stakeholders. Required Skills: Strong experience in manual and automation testing of web and mobile applications. Proficiency in Selenium with Python for automation. Solid understanding of API testing using Postman or similar tools. Strong command over SQL for data More ❯

Software Innovation London - 3 days a week in office | Initial 12m contract | Day rate inside IR35 Join a global technology leader at the forefront of software innovation, where quality, performance and reliability drive everything they do. This is an exciting opportunity for a QA Engineer with a passion for automation, testing excellence and continuous improvement to help shape … world-class digital products. You'll work closely with development and product teams to design and execute robust testing strategies, automate quality processes and ensure the smooth delivery of complex software systems to global customers. What You'll Be Doing: Championing a culture of quality, performance and teamwork across projects Collaborating with business analysts and developers to identify … and resolve potential issues early Designing detailed test plans, user scenarios and validation procedures Managing and configuring test environments and tools Executing manual and automated testing (JavaScript/TypeScript) Troubleshooting and validating new software releases, including end-user documentation Leading automation best practices and mentoring others on quality standards What You'll Bring: Experience in QA and software testing More ❯

continuous improvement and transparent reporting. About the Role In this role, you will be responsible for leading the quality strategy and ensuring high-quality releases through collaboration and effective testing practices. Responsibilities Quality Strategy & Planning Collaborate with Product Owners & Tech PMs to understand project goals, scope, and acceptance criteria. Define comprehensive test strategies (functional, integration, system, regression, security, usability … . Develop detailed test plans, test cases, and test data aligned with project timelines and risk profiles. Hands-On Test Execution Lead and participate in testing activities (manual & automated) across web and backend services. Collaborate with the test automation team to promote shift-left practices and CI/CD integration. Validate defect fixes, perform root-cause analysis, and ensure … blockers and ensure on-time delivery. Foster a culture of collaboration, learning, and accountability through code/test reviews and coaching. Define career development goals; conduct regular feedback and performance evaluations. Progress Tracking & Reporting Maintain daily, weekly, monthly metrics (test coverage, defect density, velocity, automation rate). Build and maintain QA dashboards in tools like Jira, TestRail, or equivalent. More ❯

Lorien's leading banking client is looking for a skilled API Automation Engineer with strong Java development experience to join our London-based team. This is not a manual testing role or one focused on tools like SOAP UI - we need someone who can design and build robust test automation frameworks using Java and REST Assured, with a solid … contribute to test strategy and architecture. Work in a BDD environment using Cucumber to define and execute test scenarios. Participate in code reviews and contribute to continuous improvement of testing practices. Required Skills & Experience: Proven experience in Java-based API test automation Hands-on expertise with REST Assured Experience with AWS and cloud-based testing environments Strong understanding … of mocking tools and techniques Familiarity with BDD frameworks like Cucumber Comfortable working in an Agile environment Excellent problem-solving and communication skills Nice to Have: Experience with contract testing tools (e.g., Pact) Exposure to performance testing of APIs Knowledge of containerisation (Docker, Kubernetes) IND_PC3 Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as More ❯

Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Software Testing experience +AWS/Azure +API +Manual and automated testing experience We're looking for a hands-on Tester who's as comfortable checking infrastructure deployments and systems performance as they are validating user journeys … environments - from cloud setups and APIs to end-user interfaces - ensuring everything we ship is rock solid, performant, and secure. This isn't a "click-around-and-tick-boxes" testing role. We need someone with strong technical grounding, curiosity, and the confidence to dive into environments beyond just the front end. Key Responsibilities Execute and maintain test plans for … backend services, and application layers. Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD). Perform integration, regression, and performance testing across multiple platforms. Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the lifecycle. Contribute to continuous improvement of QA practices, tools More ❯