1 to 25 of 45 Permanent API Testing Jobs in London

expanding technology platform within the local commerce sector, focused on providing innovative digital solutions for business growth and operational efficiency, is seeking an experienced API QA Engineer with a strong focus on manual API testing. Automation experience is a bonus. The platform facilitates direct customer engagement for local … analyse production issues effectively. This role requires a proactive, communicative, and well-organised individual who can manage multiple tasks efficiently and ensure high-quality testing outcomes. Responsibilities: Conduct thorough manual API testing to ensure system reliability and accuracy. Develop, update, and maintain API test cases and … test plans. Perform testing across various system components, including integrations and UI, as required. Collaborate with development, product, and other teams to define testing strategies. Investigate and analyse production issues, identifying root causes and collaborating on fixes. Investigate and report API issues, ensuring timely resolutions. Analyse API More ❯

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 both efficiency and 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 More ❯

an experienced Quality Assurance Lead who is passionate about our mission and capable of supporting our rapid growth. You will be leading the Software Testing function within the Engineering team, you will lead a small team of QA testers and you will have the opportunity to ensure the Quality … of our Product by hands-on testing while leading by example. About MediShout The world's first platform aggregating all operational departments and suppliers in hospitals Staff at over 100 Hospitals reporting their operational issues using our apps or QR codes Working with global medical device companies and facilities … and experienced QA Lead to build and lead our growing QA team. This hands-on role involves leading by example in manual and automated testing (using Cypress), mentoring QA engineers, and shaping the QA function from the ground up within our dynamic startup. You will be reporting to the More ❯

London) Join a Global Tech-Driven Property Marketplace Are you an experienced QA Lead with a passion for driving quality in web and mobile testing? Join a fast-growing, innovative global technology platform that is leading the way in transforming its B2C services. Backed by substantial investment and a … offering valuable insights and feedback to improve processes and drive continuous improvement. Test Strategy Development: Design and implement robust test strategies, including functional validation, API/interface testing, cross-platform compatibility, negative test cases, and exploratory testing. Regression & Release Testing: Develop and maintain comprehensive regression test suites … ensuring product stability with each release cycle. Risk-Based Testing: Perform risk-based testing to maximise test coverage while enhancing efficiency. Automation Expertise: Create and maintain scalable test automation scripts, integrating continuous testing seamlessly within CI/CD pipelines to ensure rapid and reliable delivery. Test Suite More ❯

London) Join a Global Tech-Driven Property Marketplace Are you an experienced QA Lead with a passion for driving quality in web and mobile testing? Join a fast-growing, innovative global technology platform that is leading the way in transforming its B2C services. Backed by substantial investment and a … offering valuable insights and feedback to improve processes and drive continuous improvement. Test Strategy Development: Design and implement robust test strategies, including functional validation, API/interface testing, cross-platform compatibility, negative test cases, and exploratory testing. Regression & Release Testing: Develop and maintain comprehensive regression test suites … ensuring product stability with each release cycle. Risk-Based Testing: Perform risk-based testing to maximise test coverage while enhancing efficiency. Automation Expertise: Create and maintain scalable test automation scripts, integrating continuous testing seamlessly within CI/CD pipelines to ensure rapid and reliable delivery. Test Suite More ❯

patterns Laravel Ecosystem Knowledge: Laravel Passport, Laravel Horizon, Laravel Dusk, Laravel Pint Database & ORM: MySQL/PostgreSQL, Eloquent ORM, database optimisation, migrations, and seeders API Development: RESTful API design principles, API authentication and authorisation, JWT implementation, API documentation, API versioning, API testing Third … Party Integrations: Experience with various external services, understanding of webhooks and event handling Testing & Quality Assurance: PHPUnit for unit testing, mocking, and testing strategies Security: Laravel security best practices, SAML2 authentication, CORS policies, XSS and CSRF protection, input validation and sanitisation Performance Optimisation: Cache management, queue handling More ❯

QA Contractor – InsurTech - C#, Playwright, API Testing Oliver Bernard are currently working with an InsurTech Start-Up, based in London, who are looking for a strong QA Engineer contractor to join the team as they look to scale and ramp up their Quality Engineering practices. Having grown organically … in C#/.Net Automation environments Framework experience with Playwright is a must (as well as one of SpecFlow or Selenium) Strong experience across API Testing (REST or RestSharp) Must also have prior hands-on experience across Microservices and Contract Testing Though an Automation focused role, you … must also be comfortable doing Manual Testing when required This role can offer £450-550 p/day, inside IR35, for an initial 6 month period, and operates a hybrid working model (with 3 office days per week in London). Please apply here to register interest in this More ❯

QA Contractor – InsurTech - C#, Playwright, API Testing Oliver Bernard are currently working with an InsurTech Start-Up, based in London, who are looking for a strong QA Engineer contractor to join the team as they look to scale and ramp up their Quality Engineering practices. Having grown organically … in C#/.Net Automation environments Framework experience with Playwright is a must (as well as one of SpecFlow or Selenium) Strong experience across API Testing (REST or RestSharp) Must also have prior hands-on experience across Microservices and Contract Testing Though an Automation focused role, you … must also be comfortable doing Manual Testing when required This role can offer £450-550 p/day, inside IR35, for an initial 6 month period, and operates a hybrid working model (with 3 office days per week in London). Please apply here to register interest in this More ❯

an opportunity has arisen for an experienced IT Software Tester to join our growing team! If you have a keen eye for detail, strong testing skills, and a passion for quality assurance, this could be the perfect role for you. Key Responsibilities Design and execute manual and automated test … cases Perform functional, integration, regression , and performance testing Identify, log, and track bugs using JIRA or similar tools Collaborate with developers and stakeholders to understand requirements Use API testing tools like Postman and basic SQL for data validation Contribute to documentation and usability testing What We … re Looking For 3+ years' experience in software testing Experience with Selenium , JUnit/TestNG , or other automation tools Familiarity with TestRail , JIRA , or similar platforms Knowledge of API testing , performance testing , and SQL Strong attention to detail, communication, and problem-solving skills Nice to Have More ❯

distributed, high-performing video streaming and encoding platform. As a QA Engineer, you will be responsible for designing and executing comprehensive test plans, automating testing processes, and validating our platform's performance-with a particular focus on video streaming protocols, encoding standards, and content delivery. At bunny.net , you won … execute detailed test plans that cover all aspects of our Stream services, ensuring high-quality, reliable releases. Automation Framework Development: Build and maintain automation testing frameworks specifically tailored for streaming, integrating it into the SDLC. End-to-End Testing: Perform end-to-end testing of streaming workflows … and media subsystems (encoding, storage, ingestion, and delivery) to ensure they function flawlessly under various scenarios and loads. API and Scripting Validation: Validate APIs ensuring they perform correctly and securely across different edge locations. AI Component Integration Testing: Test the integration and optimization of AI components within the More ❯

scripts, ensuring they are aligned with project requirements and objectives. Will be expected to execute manual and automated test cases. Risk Mitigation: Identify potential testing risks/issues in systems/projects and aid teams in developing strategies to mitigate them. Stakeholder Collaboration: Work with stakeholders including business analysts … project managers, developers, and external vendors to ensure testing activities align with business change objectives. Continuous Improvement: Champion continuous improvement processes, introducing automation in the future, advanced testing tools, and practices to drive operational efficiency and quality. Defect Tracking & Reporting: defect identification, prioritisation, and resolution, ensuring clear communication … with the development and change management teams. User Acceptance Testing (UAT): Support coordination of UAT by helping prepare users to undertake testing (data, plans, scripts, test cases). System Integration Testing (SIT): Prepare, plan and execute System Test level scripts, using appropriate API testing tools More ❯

scripts, ensuring they are aligned with project requirements and objectives. Will be expected to execute manual and automated test cases. Risk Mitigation: Identify potential testing risks/issues in systems/projects and aid teams in developing strategies to mitigate them. Stakeholder Collaboration: Work with stakeholders including business analysts … project managers, developers, and external vendors to ensure testing activities align with business change objectives. Continuous Improvement: Champion continuous improvement processes, introducing automation in the future, advanced testing tools, and practices to drive operational efficiency and quality. Defect Tracking & Reporting: defect identification, prioritisation, and resolution, ensuring clear communication … with the development and change management teams. User Acceptance Testing (UAT): Support coordination of UAT by helping prepare users to undertake testing (data, plans, scripts, test cases). System Integration Testing (SIT): Prepare, plan and execute System Test level scripts, using appropriate API testing tools More ❯

scripts, ensuring they are aligned with project requirements and objectives. Will be expected to execute manual and automated test cases. Risk Mitigation: Identify potential testing risks/issues in systems/projects and aid teams in developing strategies to mitigate them. Stakeholder Collaboration: Work with stakeholders including business analysts … project managers, developers, and external vendors to ensure testing activities align with business change objectives. Continuous Improvement: Champion continuous improvement processes, introducing automation in the future, advanced testing tools, and practices to drive operational efficiency and quality. Defect Tracking & Reporting: defect identification, prioritisation, and resolution, ensuring clear communication … with the development and change management teams. User Acceptance Testing (UAT): Support coordination of UAT by helping prepare users to undertake testing (data, plans, scripts, test cases). System Integration Testing (SIT): Prepare, plan and execute System Test level scripts, using appropriate API testing tools More ❯

managers to understand project requirements and deliverables. To act as the QA point of contact in cross-team discussions, offering insight into defect status, testing progress, and release readiness. To coordinate and execute end-to-end validation processes involving backend systems, APIs, and third-party vendors. To perform functional … to ensure effective defect resolution. Design, document, and execute test plans and test cases based on business requirements and technical specifications. Perform detailed manual testing to validate functionality, usability, and performance. Support the implementation of automation scripts using Selenium and API testing tools where applicable. To Contribute … and best practices. Participate in agile ceremonies such as sprint planning, retrospectives, and backlog grooming. Required Skills Should have good QA experience in software testing (manual and automation). Strong knowledge of QA methodologies, tools, and processes. Experience with defect tracking and test management tools (e.g., JIRA, TestRail, Zephyr More ❯

managers to understand project requirements and deliverables. To act as the QA point of contact in cross-team discussions, offering insight into defect status, testing progress, and release readiness. To coordinate and execute end-to-end validation processes involving backend systems, APIs, and third-party vendors. To perform functional … to ensure effective defect resolution. Design, document, and execute test plans and test cases based on business requirements and technical specifications. Perform detailed manual testing to validate functionality, usability, and performance. Support the implementation of automation scripts using Selenium and API testing tools where applicable. To Contribute … and best practices. Participate in agile ceremonies such as sprint planning, retrospectives, and backlog grooming. Required Skills Should have good QA experience in software testing (manual and automation). Strong knowledge of QA methodologies, tools, and processes. Experience with defect tracking and test management tools (e.g., JIRA, TestRail, Zephyr More ❯

/CD pipelines (e.g Jenkins, CircleCI, Github Actions, etc.) Effective source-control management using Git Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing Working with lean and agile practices (e.g. Kanban, Scrum, etc.) Collaborating in cross-functional More ❯

/CD pipelines (e.g Jenkins, CircleCI, Github Actions, etc.) Effective source-control management using Git Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing Working with lean and agile practices (e.g. Kanban, Scrum, etc.) Collaborating in cross-functional More ❯

organizational standards and build reliable, reusable, and maintainable automated regression suites & test harnesses. Create and maintain tools and frameworks with quality code to simplify testing scenarios. Design and develop test plans, test cases based upon functional and design specifications, execute test cases, and analyze and report test results to … teams. Work in partnership with the development teams to deliver business functionality on time with required quality that meets the acceptance criteria. Use strong testing skills to provide guidance and assist project staff as appropriate. Ensure best practices are followed and testing activities stay on schedule. Focus on … building efficient solutions for Web, Services/APIs, Database, UI (Multi-browser) testing requirements. What we are looking for: 3+ years of strong experience in QA/testing. Strong in API Testing, Data Testing, and SQL queries. Strong knowledge in database, API, and software testing More ❯

Quality Specialist, you will: Design, implement, and maintain test automation for WebApp components developed with Node.js (backend) and React (frontend) . Contribute to UI, API, and integration testing using tools such as Playwright , Cypress , or Jest . Collaborate with development and operations teams to embed automated tests into … detection practices. What you bring Degree in Computer Science, Software Engineering, or equivalent practical experience. 6-8 years of hands-on experience in automated testing of full-stack WebApps , preferably in enterprise environments. Experience with Cypress , Playwright , Jest , Mocha , or Supertest . Familiarity with RESTful API testing … attitude. Nice to have Exposure to regulated cloud environments or Sovereign Cloud principles. Experience with Kubernetes , Helm , or containerized application testing. Knowledge of performance testing , contract testing , or security test tools . Familiarity with SAP products, BTP, or compliance processes. SAP innovations help more than four hundred thousand More ❯

have partnered with a UK based client who is seeking a QA Automation Engineer to join the team and help drive quality across our testing processes. This role requires candidates to be based in the UK and have the valid right to work as this role does not offer … sponsorship. Key Responsibilities: Conduct functional testing for web applications and APIs. Use Postman to validate API endpoints before progressing to test environments. Work closely with developers to ensure high-quality code is deployed. Bring automation experience to enhance testing efficiency (Selenium, SpecFlow, or any other tools welcome … is highly desirable. Nice to Have: Exposure to Microsoft Dynamics 365, as you'll eventually help improve and fix third-party integrations. Key Requirements: API testing skills using Postman. Experience in functional testing (web & API). Any test automation experience Ability to build or contribute to More ❯

have partnered with a UK based client who is seeking a QA Automation Engineer to join the team and help drive quality across our testing processes. This role requires candidates to be based in the UK and have the valid right to work as this role does not offer … sponsorship. Key Responsibilities: Conduct functional testing for web applications and APIs. Use Postman to validate API endpoints before progressing to test environments. Work closely with developers to ensure high-quality code is deployed. Bring automation experience to enhance testing efficiency (Selenium, SpecFlow, or any other tools welcome … is highly desirable. Nice to Have: Exposure to Microsoft Dynamics 365, as you'll eventually help improve and fix third-party integrations. Key Requirements: API testing skills using Postman. Experience in functional testing (web & API). Any test automation experience Ability to build or contribute to More ❯

Provides input on functional requirements and advises on design and configuration of client software applications; Ensures delivery of testable requirements and effectively applies appropriate testing techniques to ensure comprehensive end-to-end black box testing; Leads user story and test case development, and test execution; Designs, develops, documents … and maintains test artifacts for functional, integration, system, and acceptance testing; Creates test plans outlining test approach and risk mitigation; Prepares and may oversee the preparation of test data and readiness of test environment prior to test execution; Create & executes automated tests. Generates reporting and defines action plans based … QUALIFICATIONS 3+ years QA automation experience supporting large, critical business applications; 5+ years QA experience with Test and Issues Management Tools (JIRA, Azure DevOps); Testing Activities, Manual and Automated Testing Procedures and Tools; Solutions Development Life Cycle in Agile & Waterfall Environments; QA Test Management tools; Creation and execution More ❯

days/week) Qualifications: Education: Bachelor's degree in computer science, Information Technology, or related field Experience: Minimum 12+ years of experience in software testing, with at least 6 years as a Test Manager role within the banking or financial services domain Certifications: ISTQB or equivalent testing certification … is a plus Job Description: Test Manager with 12+ years of software testing experience, specifically in Payments domain and systems within the banking sector. Strong expertise in SWIFT messaging, PCI DSS, Bottomline, BACS, CHAPS, FPS, CHIPS and the UK payment protocols. Experience in MT to MX conversion (ISO … Testing. Test planning, Test Strategy preparation, Defect management, Stakeholder management and Functional, NFR test co-ordination. Proven leadership experience in managing testing teams focused on Functional, Integration, and NFR Testing. Good communication skills and good stakeholder management skills. Experience with automated testing tools (e.g., Selenium), API Testing More ❯

you will own In this role, you will be the first QA in the Desktop team. You will be responsible for improving the quality, testing, bug tracking, and observability of the Desktop application. This means setting up test environments, finding bugs and troubleshooting incidents, and participating in the release … new test cases and running tests to support ongoing releases and provide full test coverage. Designing, developing and executing automated scripts to streamline the testing process. Gathering diagnostics for defect reporting and triaging issues. Manual testing (for new version releases initially). We still conduct basic manual testing … engineers. Mentoring and guiding other engineers on automation best practices, coding standards and test methodologies to foster a culture of quality. Requirements Desktop Application testing experience (WPF applications, Windows Environment familiarity, API testing). Ability to set up test environments similar to our Enterprise clients. A track More ❯

great fit for. The role is paying up to £45,000 and is 5 days a week in the office. Essential: o Experience with API testing tools (Postman) o Understanding of CICD (Jenkins, AWS, Azure) o Displays experience of various testing techniques (Exploratory, Smoke, Regression) o Understanding … communication skills o Knowledge of automation framework (cypress, playwright, typescript) Desirable: o Knowledge of automation tools (Selenium Web Driver, VS Code) o Knowledge of testing google analytics o Knowledge of Mobile testing o Browserstack If you would be interested please apply below! 49573NB INDMANS More ❯