1 to 25 of 245 Performance Testing Jobs in London

skilled, ambitious and result-oriented professionals. Using a wide range of cutting-edge technology to innovate while testing. An ever-challenging environment to hone your existing skills in Automation, performance, UI, service layer testing, SQL scripting etc. A great opportunity to think and execute like a developer while performing the role of QA. Being a part of an … approaches. A plenty of skill building, knowledge sharing, and innovation opportunities. Building a fulfilling career with a global financial technology company. Key Roles & Responsibilities: Design and develop automation/performance solutions that meet organization standards and build reliable, reusable and maintainable automated regression suites & test harnesses Create tools and frameworks with quality code to simplify testing scenarios. Design … strategies, test estimation and all planning activities Draft test artifacts, including Test Plans, Test Scenarios and Requirements Traceability Matrices Acts as a test lead, planning the work of other testing staff and assigning tasks to meet project deadlines. Use strong testing skills to provide guidance and assist project staff Reviews and approves the work of project team members More ❯

of scalable and maintainable test automation frameworks. Define and enforce best practices for test automation across teams and projects. Collaborate with development, DevOps, and QA teams to integrate automated testing into CI/CD pipelines. Mentor and guide QA engineers and automation testers, providing technical leadership and training. Evaluate and recommend new tools, technologies, and processes to improve test … automation efficiency. Develop and maintain automated test scripts for functional, regression, performance, and integration testing. Analyse test results, identify root causes of failures, and work with teams to resolve issues. Ensure test coverage and traceability for all automated test cases. Participate in code reviews and contribute to test strategy and planning sessions. Report on automation progress, quality metrics, and … risks to stakeholders. Required Qualifications: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 7+ years of experience in software testing, with at least 4 years in test automation. Proven experience leading test automation initiatives and teams. Expertise in automation tools such as Selenium, Cypress, Playwright, Appium, TestNG, JUnit, etc. Strong understanding of CI More ❯

days per week in London Type : Full-Time, Permanent Join a Global Tech-Driven Property marketplace. Are you a passionate QA Lead with a passion for web and mobile testing? I’m working with a fast-paced, tech-focused, global technology platform that’s undergoing a multi-year transformation program to revolutionise its B2C services. Backed by substantial investment … of development. Engage in Agile ceremonies, providing quality-driven insights and feedback to improve processes and outcomes. Design and execute comprehensive test strategies, including functional validation, API/interface testing, cross-platform compatibility, negative test scenarios, and exploratory testing. Develop and maintain regression test suites for each release cycle to ensure consistent product stability. Perform risk-based testing to maximise test coverage and improve efficiency. Build and maintain scalable automated test scripts, integrating continuous testing within CI/CD pipelines. Regularly execute and monitor automated test suites, ensuring reliable execution, accurate result validation, and prompt issue resolution or escalation. Continuously optimise automation test coverage and effectiveness to enhance software quality. Participate in requirement analysis, assessing testability More ❯

role in building market-leading solutions for our clients. You will: Test Automation Development : Design, develop, and maintain automated test frameworks, tools, and libraries. Integrate, implement, and optimize automated testing strategies within our CI/CD pipelines. Performance and Security Testing : Develop and execute performance and load test strategies to ensure the system can handle high … volumes of traffic. Implement security testing practices to identify and mitigate vulnerabilities. Develop functional resilience strategies such as chaos engineering. Quality Assurance : Support the team in conducting thorough testing of software applications, including unit, integration, system, and acceptance tests. Collaborate with developers to debug and resolve complex issues, including fixing bugs. Test Planning and Execution : Translate product requirements … design decisions that ensure quality and non-functional requirements (NFRs) are considered upfront. Collaboration : Work closely with other SDETs, Software Engineers, QA Analysts, and DevOps Engineers to integrate automated testing and quality into the development process. Participate in code reviews and provide feedback on testability and quality of code. Continuous Improvement : Identify areas for improvement in the testing More ❯

skilled, ambitious and result-oriented professionals. Using a wide range of cutting-edge technology to innovate while testing. An ever-challenging environment to hone your existing skills in Automation, performance, service layer testing, SQL scripting etc. A great opportunity to think and execute like a software architect while performing the role of QA. Being a part of an … A plenty of skill building, knowledge sharing, innovation and leadership opportunities. Building a fulfilling career with a global financial technology company. Responsibilities: Research, design and build efficient automation/performance frameworks, including test tools and automated test suites that govern whole development cycle for any of our product platforms, based on different Web, Services/APIs and database technologies. … Design and develop testing strategy based upon project requirements, lead in test cases creation and execution, analyze and report test results to stakeholders. Work in partnership with the development teams, participate in architecture and design reviews, identify issues and suggest improvements to deliver business functionality on time with required quality. Communicate effectively with major business stakeholders including non-technical More ❯

afford improved functionality and a more seamless user experience. The automation Test Analyst supports of our IT modernisation efforts who will be required to drive forwards the multi level testing of key system developments. This role will be responsible for testing a catalogue of new features, working collaboratively with UK and Swedish development teams, whilst focusing on the … understand the scope of the projects and help establish a shared understanding of business requirements Experience working in multi-disciplinary Agile teams and following a shift-left approach to testing Experience working in Agile methodologies such as Scrum or Kanban and contributing to the Agile ceremonies Automation testing experience with Selenium, Java, API testing(RestAssured), JavaScript based … estimation, test planning, test design and test progress reporting Experience working with CI/CD tools like Jenkins/TeamCity/BitBucket and related build deployment processes Perform manual testing of test cases as and when needed. Experience in all areas of the testing life cycle (systems testing, SIT, regression testing, UAT) Defect management Proven understanding More ❯

and performance. Position Overview: As a Quality Assurance Engineer at AI71, your primary focus will be on ensuring the quality and reliability of our AI products, specifically through thorough testing of our APIs, UI, and driving the performance testing related activities. You will collaborate with product and engineering teams to develop and execute comprehensive test plans, automate … testing processes, and ensure our products deliver seamless user experiences and meet functional, cross-functional, and quality standards. Key Responsibilities: • Test Planning & Execution: Design and execute test plans for various product features, including APIs, UI, and where applicable data layer validations. Conduct functional, regression and performance testing to ensure that our AI-driven products perform according to … to improve efficiency and ensure comprehensive coverage across test cases. Use automation tools such as Selenium, JUnit, pytest, playwright or custom frameworks for API and UI testing. • API & UI Testing: Focus on validating APIs and UIs for performance, reliability, and correct functionality. Ensure that both the backend (APIs) and the user-facing interfaces meet the product's functional More ❯

and performance. Position Overview: As a Quality Assurance Engineer at AI71, your primary focus will be on ensuring the quality and reliability of our AI products, specifically through thorough testing of our APIs, UI, and driving the performance testing related activities. You will collaborate with product and engineering teams to develop and execute comprehensive test plans, automate … testing processes, and ensure our products deliver seamless user experiences and meet functional, cross-functional, and quality standards. Key Responsibilities: • Test Planning & Execution: Design and execute test plans for various product features, including APIs, UI, and where applicable data layer validations. Conduct functional, regression and performance testing to ensure that our AI-driven products perform according to … to improve efficiency and ensure comprehensive coverage across test cases. Use automation tools such as Selenium, JUnit, pytest, playwright or custom frameworks for API and UI testing. • API & UI Testing: Focus on validating APIs and UIs for performance, reliability, and correct functionality. Ensure that both the backend (APIs) and the user-facing interfaces meet the product's functional More ❯

cross-functional teams to define test strategies, create test plans, execute test cases, and identify and report software defects. The ideal candidate will have a strong understanding of software testing methodologies, excellent analytical skills, and a passion for delivering high-quality products. Tech Stack AWS Serverless Lambda with Node.js API Gateway (REST/JSON) DynamoDB S3 WAF Back-Office … strategies and plans. Develop, document, and maintain detailed test cases and test scripts based on project requirements and functional specifications. Execute manual and automated tests to verify software functionality, performance, usability, and security. Identify, document, and track software defects using a bug tracking system and work closely with the development team to ensure timely resolution. Participate in the review … of product requirements, design documents, and specifications to provide input on testability and quality aspects. Perform exploratory testing and provide feedback on user experience and potential usability issues. Conduct regression testing to ensure that software changes and updates do not introduce new defects. Collaborate with software developers to reproduce and debug reported issues and provide clear and concise More ❯

cross-functional teams to define test strategies, create test plans, execute test cases, and identify and report software defects. The ideal candidate will have a strong understanding of software testing methodologies, excellent analytical skills, and a passion for delivering high-quality products. Tech Stack AWS Serverless Lambda with Node.js API Gateway (REST/JSON) DynamoDB S3 WAF Back-Office … strategies and plans. Develop, document, and maintain detailed test cases and test scripts based on project requirements and functional specifications. Execute manual and automated tests to verify software functionality, performance, usability, and security. Identify, document, and track software defects using a bug tracking system and work closely with the development team to ensure timely resolution. Participate in the review … of product requirements, design documents, and specifications to provide input on testability and quality aspects. Perform exploratory testing and provide feedback on user experience and potential usability issues. Conduct regression testing to ensure that software changes and updates do not introduce new defects. Collaborate with software developers to reproduce and debug reported issues and provide clear and concise More ❯

continuous improvement. 2. Team Management: Build, lead, and mentor a high-performing QA team, fostering professional growth and collaboration. Set clear goals and expectations for QA team members, monitoring performance and providing constructive feedback. 3. Process and Standards: Define and implement robust QA processes, methodologies, and tools to ensure efficient and effective testing practices. Drive the adoption of … industry best practices in manual, automated, and performance testing. 4. Product Quality Oversight: Oversee all testing activities across the Investor, Administrator, and Fund Manager Portals, ensuring functionality, scalability, and reliability. Validate critical workflows and business scenarios to meet customer expectations and business requirements. 5. Stakeholder Collaboration: Partner with engineering, product management, and customer support teams to identify and … pipelines and other engineering processes. Technical Requirements 1. Experience: At least 7 years in software QA, with 3+ years in a leadership role. Extensive experience with manual and automated testing of web-based applications. 2. Technical Expertise: Proficiency in test automation tools and frameworks (e.g., Selenium, Cypress) and API testing tools (e.g., Postman). Strong understanding of software More ❯

hands-on Quality Engineers (QEs) to join our growing FinTech/EngTech crossover team. As a key member of our engineering team, you will contribute to the development and testing of innovative software solutions that support the transition to a low-carbon future. This is an exciting opportunity for individuals who thrive in a collaborative, fast-paced environment and … want to make a real impact on the way we build and deliver high-quality software. Key Responsibilities: Testing Strategy & Execution: Implement and execute comprehensive testing strategies to ensure software quality and reliability across multiple platforms. Automation & Manual Testing: Contribute to the balance of automated and manual testing efforts, ensuring we maintain a strong focus on … quality. Collaboration & Best Practices: Work closely with engineering teams to set quality standards, promote best practices, and ensure adherence to quality metrics throughout the software development lifecycle. Shift-Left Testing: Help implement and advocate for shift-left testing, ensuring teams develop maintainable and reliable automated tests from the earliest stages of development. Tools & Technologies: Collaborate with DevOps and More ❯

deliver quality software, and we’re looking for a passionate Software Developer in Test to join our growing team. If you’re a skilled developer with a love for testing and problem-solving, this is your chance to make a real impact. ️ Important: All applicants must be eligible for SC clearance . Not sure if you qualify? Check here …/national-security-vetting-clearance-levels#security-check-sc Why Ten10? At Ten10, we’re proud to be one of the UK’s leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps . We bring together exceptional talent to deliver innovative solutions that help our clients release software faster and with confidence. Here’s why you’ll love … s an opportunity to innovate and grow. As a Software Developer in Test , you’ll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Input in QA strategies, influencing testing best practices. Play a client-facing role, ensuring our solutions align with their business needs. What We’re Looking For We More ❯

quality software, and we’re looking for a passionate Senior Software Developer in Test to join our growing team. If you’re a skilled developer with a love for testing and problem-solving, this is your chance to make a real impact. ️ Important: All applicants must be eligible for SC clearance. Not sure if you qualify? Check here: Eligibility … for SC clearance Why Ten10? At Ten10, we’re proud to be one of the UK’s leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps. We bring together exceptional talent to deliver innovative solutions that help our clients release software faster and with confidence. Here’s why you’ll love being part of our team: Exciting … opportunity to lead, innovate, and grow. As a Senior Software Developer in Test , you’ll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Lead and mentor small teams of automation testers, providing guidance and technical direction. Take ownership of QA strategies, influencing testing best practices. Play a client-facing role More ❯

are looking to expand our footprint amongst online businesses. We're looking for a detail-oriented and technically skilled Quality Assurance Engineer L2 to ensure the quality, reliability, and performance of ThriveCart's platform and features. In this role, you'll be responsible for designing and executing comprehensive test strategies, automating critical test scenarios, and collaborating cross-functionally to … our merchants. You'll work closely with engineering, product, and design teams to catch issues early, ensure seamless user experiences, and maintain our platform's reputation for reliability—whether testing checkout flows, payment integrations, or new product features. Location: Remote in the UK or EU About You: You enjoy solving hard problems, unraveling technical mazes, and figuring out solutions. … execute, and maintain comprehensive test plans and test cases for new features, enhancements, and platform updates across web and mobile interfaces. Develop and maintain automated test suites using appropriate testing frameworks and tools to improve testing efficiency and coverage. Perform functional, regression, integration, and performance testing to ensure product quality meets ThriveCart's standards. Collaborate with More ❯

continuous improvement. 2. Team Management: Build, lead, and mentor a high-performing QA team, fostering professional growth and collaboration. Set clear goals and expectations for QA team members, monitoring performance and providing constructive feedback. 3. Process and Standards: Define and implement robust QA processes, methodologies, and tools to ensure efficient and effective testing practices. Drive the adoption of … industry best practices in manual, automated, and performance testing. 4. Product Quality Oversight: Oversee all testing activities across the Investor, Administrator, and Fund Manager Portals, ensuring functionality, scalability, and reliability. Validate critical workflows and business scenarios to meet customer expectations and business requirements. 5. Stakeholder Collaboration: Partner with engineering, product management, and customer support teams to identify and … pipelines and other engineering processes. Technical Requirements 1. Experience: At least 7 years in software QA, with 3+ years in a leadership role. Extensive experience with manual and automated testing of web-based applications. 2. Technical Expertise: Proficiency in test automation tools and frameworks (e.g., Selenium, Cypress) and API testing tools (e.g., Postman). Strong understanding of software More ❯

security challenges. The Role We are seeking a highly skilled Automation Test Lead to join our dynamic team in Digital Services and Analytics (DS&A) and drive our automation testing efforts. The ideal candidate will have a strong background in manual and automation testing using Selenium, proficient programming skills in Java, and experience with cloud technologies and DevOps … design, development, and execution of test plans, test cases, and test scenarios based on project requirements and design specifications Developing and implementing test automation strategies and frameworks to enhance testing efficiency and effectiveness. Collaborating with cross-functional teams, including developers, product managers, and DevOps engineers, to define testing requirements and acceptance criteria. Mentoring and training team members on … automation testing best practices, tools, and methodologies. Integrating automated testing into CI/CD pipelines using DevOps tools and practices. Monitoring and reporting on testing progress, defect metrics, and overall quality assurance status. Continuously evaluating and improving testing processes, tools, and methodologies to align with industry best practices. Staying updated with the latest trends and technologies More ❯

office 💰 Salary: £45,000 to £60,000 DOE 🗣 Language: Fluent Mandarin and English required What You’ll Do: Design, build, and maintain test automation frameworks Lead regression, integration, and performance testing Collaborate across DevOps, development, and product teams Integrate tests into CI/CD pipelines Improve testing processes, tools, and documentation Represent QA in stakeholder meetings and … You’ll Need: 2+ years’ experience in software QA, both manual and automated Strong skills in Selenium, Cypress, Playwright, or similar Scripting knowledge (Java, Python, or JavaScript) Familiarity with performance testing (e.g., JMeter, LoadRunner) CI/CD experience with Jenkins, GitLab CI, or Azure DevOps Solid understanding of databases (Oracle/MySQL) and Linux systems Strong communication and … stakeholder management skills Bonus Points For: Experience with security or performance testing Knowledge of BDD tools (e.g., Cucumber) Familiarity with cloud platforms and containerization (AWS, Docker, etc.) API testing experience (Postman, RestAssured) If you're ready to take your QA career to the next level in a tech-forward environment - we’d love to hear from you. More ❯

office 💰 Salary: £45,000 to £60,000 DOE 🗣 Language: Fluent Mandarin and English required What You’ll Do: Design, build, and maintain test automation frameworks Lead regression, integration, and performance testing Collaborate across DevOps, development, and product teams Integrate tests into CI/CD pipelines Improve testing processes, tools, and documentation Represent QA in stakeholder meetings and … You’ll Need: 2+ years’ experience in software QA, both manual and automated Strong skills in Selenium, Cypress, Playwright, or similar Scripting knowledge (Java, Python, or JavaScript) Familiarity with performance testing (e.g., JMeter, LoadRunner) CI/CD experience with Jenkins, GitLab CI, or Azure DevOps Solid understanding of databases (Oracle/MySQL) and Linux systems Strong communication and … stakeholder management skills Bonus Points For: Experience with security or performance testing Knowledge of BDD tools (e.g., Cucumber) Familiarity with cloud platforms and containerization (AWS, Docker, etc.) API testing experience (Postman, RestAssured) If you're ready to take your QA career to the next level in a tech-forward environment - we’d love to hear from you. More ❯

solutions supporting the transition to a low-carbon future. This role offers an exciting opportunity for collaborative, fast-paced individuals eager to impact software quality and delivery. Key Responsibilities: Testing Strategy & Execution: Develop and implement comprehensive testing strategies to ensure software quality and reliability across platforms. Automation & Manual Testing: Balance automated and manual testing efforts to … optimize efficiency and quality. Collaboration & Best Practices: Work with engineering teams to set quality standards, promote best practices, and monitor quality metrics throughout development. Shift-Left Testing: Advocate for shift-left testing to develop maintainable automated tests early in development. Tools & Technologies: Collaborate with DevOps and Cyber Security teams to integrate testing tools into CI/CD … pipelines. Load & Performance Testing: Conduct load, stress, and spike testing to ensure application performance under heavy loads. Ideal Candidate: Testing Expertise: Experience in front-end and back-end testing, with automation testing skills. API Testing: Skilled in API testing tools like Postman or Insomnia. Programming Skills: Proficiency in Python, C#, or More ❯

Midnight protects fundamental freedoms of association, commerce, and expression for developers, companies, and individuals. As an SDET, you will play a pivotal role in ensuring the reliability, security, and performance of our cutting-edge blockchain solutions. You will collaborate closely with our development and quality assurance teams to design, implement, and execute robust test strategies, contributing to the success … as a liaison for our infrastructure and developer experience teams. Implement and maintain continuous integration (CI) and continuous deployment (CD) pipelines for automated testing. Develop and execute a comprehensive testing strategy for our blockchain solutions, encompassing functional, performance, security, and integration testing. Develop and maintain automated test scripts using relevant testing frameworks and tools. Conduct manual testing when necessary, including exploratory testing, regression testing, and ad-hoc testing. Identify, report, and track defects to resolution. Perform root cause analysis of defects and work with development teams to implement timely solutions. Set up and maintain test environments, including test data and test configurations. Plan and conduct performance testing to assess scalability, reliability, and More ❯

CI/CD pipelines. Work closely with engineers in sprint planning and code reviews to identify potential quality gaps early in the SDLC Perform hands-on exploratory and manual testing when automation isn't feasible or when validating edge cases and new features Design and implement automated test scripts for functional, regression, and integration testing across web, API … and backend systems Technical skills Proficiency in at least one programming language (e.g., Java, Kotlin, Python, or JavaScript) Strong understanding of software testing methodologies, tools, and processes Hands-on experience with test automation frameworks (e.g., Cucumber, Selenium, Cypress, Playwright) Experience testing APIs using tools like Postman, REST-assured, or similar CI/CD tools experience (e.g., Jenkins, GitHub … Actions, Azure DevOps) Knowledge of unit testing, integration testing, and performance testing Familiarity with version control systems (e.g., Git) Exposure to containerisation tools (e.g., Docker, Kubernetes) is a plus Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Industries Non-profit Organizations and Primary and Secondary Education Referrals increase your 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 Must … with Selenium. 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 ❯

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 ❯

Responsibilities: Architect, design, and maintain robust automation frameworks for web (Playwright/Selenium) and API testing (Postman, REST-assured, etc. ). Lead the implementation of comprehensive test strategies and plans based on technical specifications and business requirements. Drive automation-first approaches in functional, regression, performance, and integration testing. Integrate automated tests into CI/CD pipelines and ensure … a test automation focus. 1+ years of experience with Python with a test automation focus. Hands-on expertise with Playwright, Selenium, or equivalent for web automation Proficiency with API testing tools such as Postman, REST-assured, or similar. Strong knowledge of testing principles, SDLC, Agile methodology, and defect lifecycle. Solid understanding of RESTful APIs, microservices architecture, and backend … testing strategies. Familiarity with cloud platforms like AWS or GCP. AI-based testing exposure Nice-to-Have: Experience with containerized environments (e. g., Docker, Kubernetes). Experience with TypeScript. Experience with static code analysis and test coverage tools. Experience building automation frameworks from scratch and integrating with CI/CD tools (e. g., Jenkins, GitLab). Familiarity with More ❯