1 to 25 of 50 API Testing Jobs in London

integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform API … testing and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify ...

integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform API … testing and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

modern test automation practices. The Automation Test Engineer will play a key role in embedding quality throughout the software development lifecycle, working across UI, API, accessibility and performance testing while supporting continuous delivery at enterprise scale. Responsibilities for the Automation Test Engineer: Design, develop and maintain scalable … API automation frameworks Build automated test suites using Java, Selenium, REST Assured and Cucumber BDD Develop and execute functional, regression, integration and end to end automated tests Perform UI automation using Selenium WebDriver and Playwright Carry out API testing using REST Assured, Postman and Swagger Conduct accessibility ...

functional). The ideal candidate brings a test engineering mindset, promotes shift-left practices, drives automation adoption (including Playwright), and enhances quality through continuous testing and robust test governance. Key Responsibilities Define and own the end-to-end test strategy for Duck Creek or Guidewire upgrade programmes, aligned with … release plans, and business objectives. Lead test planning, estimation, and scheduling across distributed teams and workstreams to ensure timely delivery. Implement a risk-based testing approach; maintain a dynamic test risk register and ensure timely mitigation. Design and implement the automation strategy across UI and API layers, including ...

Quality Test Engineer IIIAre you passionate about ensuring high-quality software through robust testing and automation strategies? Do you enjoy identifying defects early and improving systems to deliver seamless, reliable user experiences About the team:The Search and AI Platform is Elsevier's agentic data platform, which powers products … looking for a Quality Engineer to join the Search and AI Platform team. This is a hands-on, automation-first role focused on API and service-level testing, with quality embedded throughout the development lifecycle rather than validated at the end. You will work closely with software engineers ...

Quality Assurance Analyst (Data & ETL Testing) - 18 Month FTC We are seeking an experienced Quality Assurance Analyst with a strong data testing background to join a growing technology team undergoing significant transformation. This is an excellent opportunity to play a key role in ensuring the quality, integrity … reliability of critical business applications, data platforms, and reporting solutions. Working within an Agile environment, you will be responsible for leading testing activities across projects and delivery squads, ensuring solutions are thoroughly tested and meet both functional and non-functional requirements. Key Responsibilities - Lead QA and testing activities ...

fast-moving entrepreneurial environment. Main Responsibilities Duties will include: Work as an embedded member of the Scrum team, focused on quality and automated testing Hands-on experience developing and maintaining automated tests for back end services. Web based UI and mobile apps using appropriate tools such as Selenium … Browserstack. APIs Strong understanding of testing concepts/methodologies and processes such as Gopher/BDD Work closely with developers, PO, BAs and wider team to define and develop best possible test solutions Ensure defects are raised as per defect management process using Jira Develop and maintain automated functional ...

Lead for London on a 9 month contract, working 3 days per week in the office. The role will own the end-to-end testing strategy, assurance framework, and quality governance across a SaaS banking platform, while remaining hands-on with testing and tooling. You'll bring strong … experience in banking/regulated contexts, mobile app testing, API testing, AI-enabled testing approaches, and familiarity with Salesforce and MuleSoft. #J-18808-Ljbffr ...

Remote UK | Permanent Are you a QA/Automation Engineer who wants the opportunity to take real ownership rather than simply inherit an established testing process? We are working with a growing sports technology business that operates complex, real-time platforms handling large volumes of live data and significant …/Automation Engineer to help establish how QA works across the development team. The Role This is a hands-on position combining automation, API, functional and performance testing. You will have the autonomy to identify gaps, recommend tooling and build practical testing processes from the ground up. Rather ...

robust test automation frameworks across financial services projects. You'll work closely with cross-functional teams to deliver quality-first engineering solutions using modern testing tools and practices. You'll also mentor engineers, foster best practices in quality engineering, and help shape Capco's automation testing capability. … while ensuring appropriate governance, human oversight, and responsible AI practices.What You'll DoArchitect reusable, scalable test automation strategies and frameworks across web, mobile, and API platforms, applying AI-enabled engineering approaches where appropriate to improve efficiency and test coverage.Design, build, and maintain automated test suites for user interfaces, APIs ...

large-scale SaaS product. We are looking for an experienced Automation Test Engineer to play a key role in developing and enhancing automated testing capabilities across a modern technology environment. This role is ideal for someone who is passionate about automation, quality engineering and emerging technologies, with hands … . Role & Responsibilities: Design, develop and maintain robust automated test frameworks and test suites across web and cloud-based applications. Develop automated UI and API tests using modern frameworks such as Playwright. Work closely with developers, Product Owners and technology teams to understand requirements and define appropriate testing ...

looking for a Test Engineer to join a public sector programme in a role that's heavily focused on data and database testing, alongside integration and API work. You'll be working across Java and TypeScript codebases, using Selenium and Playwright for automation, with NoSQL database experience being … data-heavy nature of the systems involved. Key Responsibilities Design, build and maintain automated tests using Selenium and Playwright Carry out data and database testing, ensuring data integrity, consistency and correctness across systems Test integrations between services, validating data flow end to end Perform API testing, covering ...

technical designs; actively participate in three-amigos sessions and agile ceremonies. Produce and assure comprehensive test plans covering manual, automated, functional and non-functional testing as appropriate. Design, review and maintain high-quality test cases, test data and test scripts in the agreed test-management tool, ensuring … traceability to requirements and defects. Lead hands-on execution of system, integration, regression, smoke, exploratory and acceptance testing across web, mobile and API-based applications. Coordinate test activities across releases and dependencies; manage test environments, test data and blockers in partnership with engineering and DevOps teams. Automation ...

technical designs; actively participate in three-amigos sessions and agile ceremonies.Produce and assure comprehensive test plans covering manual, automated, functional and non-functional testing as appropriate.Design, review and maintain high-quality test cases, test data and test scripts in the agreed test-management tool, ensuring end-to-end traceability … requirements and defects.Lead hands-on execution of system, integration, regression, smoke, exploratory and acceptance testing across web, mobile and API-based applications.Coordinate test activities across releases and dependencies; manage test environments, test data and blockers in partnership with engineering and DevOps teams.Automation and Engineering ExcellenceOwn and implement ...

secure IAM solution. Key Responsibilities: Design, develop, and execute comprehensive test plans covering various functionalities of Google Cloud Identity services. Conduct manual and automated testing across different platforms and configurations to ensure seamless user experience and functionality. Identify and report bugs, defects, and security vulnerabilities effectively, providing clear steps … fixes through regression testing. Participate in code reviews to identify potential issues from a quality assurance perspective. Stay up-to-date with the latest testing methodologies and tools relevant to cloud security and IAM solutions. Contribute to the automation of test processes to improve efficiency and test coverage. Document ...

Server or Oracle databases. Understand business requirements and create detailed test plans, writing and executing test cases for both functional and non-functional testing using Azure DevOps, XRAY, and JIRA. Conduct regression, functional, emergency change, and defect testing across production systems. Perform API testing, data validation … batch process testing to ensure comprehensive system integrity. Design and maintain a test results dashboard to provide real-time visibility into project status, test execution progress, and key quality metrics for stakeholders. Additional Responsibilities: Collaborate with business users in London and other European branches to align on business requirements ...

Server or Oracle databases. Understand business requirements and create detailed test plans, writing and executing test cases for both functional and non-functional testing using Azure DevOps, XRAY, and JIRA. Conduct regression, functional, emergency change, and defect testing across production systems. Perform API testing, data validation … batch process testing to ensure comprehensive system integrity. Design and maintain a test results dashboard to provide real-time visibility into project status, test execution progress, and key quality metrics for stakeholders. Additional Responsibilities: Collaborate with business users in London and other European branches to align on business requirements ...

financial markets to join a leading financial services organisation. Working within Agile delivery teams, you will play a key role in defining the overall testing strategy, designing and executing automated and manual test cases, and ensuring the successful delivery of high-quality software across business-critical settlement platforms. This … while collaborating with highly skilled engineering teams in a modern Agile environment. Key Responsibilities Develop and own Test Strategies and recommend the most effective testing approach. Present testing strategies and approaches to technical and business stakeholders. Review functional and technical specifications to produce comprehensive test scenarios and test ...

financial markets to join a leading financial services organisation. Working within Agile delivery teams, you will play a key role in defining the overall testing strategy, designing and executing automated and manual test cases, and ensuring the successful delivery of high-quality software across business-critical settlement platforms. This … while collaborating with highly skilled engineering teams in a modern Agile environment. Key Responsibilities Develop and own Test Strategies and recommend the most effective testing approach. Present testing strategies and approaches to technical and business stakeholders. Review functional and technical specifications to produce comprehensive test scenarios and test ...

APIs using Java and Spring Boot. Design scalable systems and well‐defined service interfaces, demonstrating a strong understanding of modern software architecture and testing practices. Write clean, high‐quality code that is easy to test, maintain, and extend across both front‐end and back‐end services. Drive quality through … excellent automated testing practices, including API testing to enable continuous deployment. Understand how modern web applications work end to end, from browser HTTP requests and API calls through to service‐layer logic, data handling, and page rendering. Use AI tools and practices to enhance product features ...

Solirius and our clients.Define, implement, and continuously improve QA and test strategies.Provide technical leadership and guidance across multiple delivery teams.Drive test automation, shift-left testing, CI/CD, and continuous testing.Work closely with developers, business stakeholders, clients, and delivery teams.Promote quality throughout the software development lifecycle.Maintain a strong hands … testing and automation capability.Develop and maintain scalable test automation frameworks and regression suites.Lead functional, API, integration, acceptance, and end-to-end testing.Promote effective unit and developer-led testing practices.Integrate automated tests into CI/CD pipelines.Coach, mentor, and develop QA and SDET engineers.Manage QA resources and priorities ...

clients. Define, implement, and continuously improve QA and test strategies. Provide technical leadership and guidance across multiple delivery teams. Drive test automation, shift-left testing, CI/CD, and continuous testing. Work closely with developers, business stakeholders, clients, and delivery teams. Promote quality throughout the software development lifecycle. Maintain … strong hands-on testing and automation capability. Develop and maintain scalable test automation frameworks and regression suites. Lead functional, API, integration, acceptance, and end-to-end testing. Promote effective unit and developer-led testing practices. Integrate automated tests into CI/CD pipelines. Coach, mentor, and develop ...

collaborate and learn from each other, completely free of barriers.Job PurposeThe Senior Application Security Specialist is a senior technical role leading advanced application security testing, complex vulnerability analysis and threat modelling across the Application & Product Security function. You will provide technical leadership, mentor analysts and specialists … security point of contact for engineering, and contribute to security strategy and standards.Scope & AutonomyLeads testing workstreams and sets the technical approach for complex assessments; acts as an escalation point for L1/L2 and a security partner to engineering.Duties and ResponsibilitiesLead advanced security testing of critical applications ...