1 to 25 of 26 API Testing Jobs in London

real world situations How You Will Succeed By developing and maintaining automated tests using C# with XUnit Framework to execute Selenium test cases By carrying out and documenting Manual testing of new and existing product features By investigating and documenting bugs and user queries using Azure Devops By using Postman for API Testing By using SQL to … science-related field Familiarity with writing automated tests Some exposure to coding with C# or any other high-level programming language Basic understanding of SQL (MSSQL) Awareness of different testing types and heuristics used for web testing Manual testing and exploratory testing experience Knowledge of white-box and black-box testing techniques Experience writing test … cases Exposure to API testing Understanding of Agile methodologies and TDD practices Experience with Cloud technologies (e.g., Azure) Familiarity working on software handling high volumes of data Understanding of marketing technology or e-commerce platforms Experience with Agile tools such as Azure DevOps or Boards Skills in using workflow or diagramming tools such as Visio or Lucidchart Knowledge 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 Banking Systems API Integration Dynamics 365 CRM React.js (website)/React Native (app) Responsibilities: Collaborate with cross-functional teams to understand project requirements and define test 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 … 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 More ❯

Lead, you will play a critical role in ensuring the quality and reliability of enterprise-scale platform implementations. You will lead QA efforts across functional, automation, and non-functional testing domains, working closely with business, development teams. You will be instrumental in defining test strategies, building automation frameworks, and driving continuous quality improvements aligned with business objectives. At Nikao … Requirements Proven expertise in designing and leading scalable test automation frameworks using tools like Selenium, Playwright, or Cypress integrated within CI/CD pipelines (e.g., Azure DevOps, Jenkins). API & Integration Testing Strong hands-on experience with API testing using Postman or RestAssured, including validation of complex data flows and backend integrations. Cloud & DevOps Proficiency Solid … understanding of cloud-based testing environments (Azure/AWS) and experience with infrastructure-as-code concepts, deployment validation, and environment configuration. Data-Driven Testing & SQL Advanced SQL skills for test data validation, migration testing, and working with large datasets across platforms like PostgreSQL or SQL Server. AI & Next-Gen Testing Tools Exposure to AI-powered testing More ❯

The QA Analyst will support Whitespace in continuing to provide quality software to an ever-growing customer base. Thorough and imaginative testing is critical to the success of the Platform. Whitespace takes pride in delivering an excellent, intuitive customer experience at a pace its competitors cannot match. This role requires someone who can grow and adapt with the company … who is eager to learn and progress a career within the Platform team. Full training on in-house and industry-specific systems will be provided. Main Responsibilities: Testing Scripted end-to-end testing of existing functionality, especially where that functionality is not yet incorporated into automated test scripts. Validation of issues found during testing to determine regressions … or pre-existing issues. Scripted end-to-end testing of new functionality. Exploratory testing based on business scenarios, including initial testing of new functionality following first release from development. Re-testing of issues as fixes become available. Capturing testing evidence (test steps, screenshots, videos) in line with Whitespace testing guidelines. Discussing issues with Business More ❯

Apply for this position Quality management tools (Micro Focus Quality Center, TestDirector, Test Manager, TestLink, SpiraTest, TestRail, HP-ALM (QC to organize and manage all phases of the software testing process including planning, running tests, and tracking defects, generating and storing test reports, and interlinking them with the release requirements; Defect tracking tools (BugZilla, Mantis) to track the defects … to the dev team; MS Excel or Test Studio to write large sets of test cases and later import them into TMTs; SQL clients to connect to the database; API testing tools (Postman, SoapUI,) for automated checks. They offer predefined snippets to automate API testing without the need to write code to test the API; Responsibilities Analyse requirements and prepare a query list. If requirements are incomplete, they need to ask meaningful questions that will yield more information and help perform testing effectively; Write and execute test cases to find system bugs like UI and usability issues, etc. Provide inputs on high-level test scenarios, challenges, risks, resources, test estimates, etc., during test More ❯

event sourcing, serverless, CQRS ) Virtualisation and orchestration tools (e.g. VMs, Docker, Kubernetes, etc.) and infrastructure as code (e.g. Terraform, Pulumi) 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 teams It'd be amazing More ❯

Perform day to day API Automation using C#, Specflow Automate interactions with Azure services and resources such as Service Bus, Logic apps, Function Apps, Storage etc. Perform automated DB checks as part of API testing Leverage Service Bus emulators, Service Virtualization, mocking and stubbing as part of test automation Spin-up services within the pipeline environment, leverage … runtime Should have good understanding of Agile and must actively participate in all scrum ceremonies Act as a liaison between SDETs, Dev & Ops in taking shift-left and isolated testing forward. Align with Dev Tech Stack and bring in feasible testing technologies/solutions Work with Tech leads and ensure automated functional and performance testing is carries … out within sprints Manage and guide small team of SDETs and enable the team to achieve sprint goals Should have understating of component testing, isolated testing and contract testing Perform day-to-day code reviews and align with dev process in PR reviews and merges Should promote coding standards and guidelines and align the testing with More ❯

a talented and detail - oriented QA Engineer to join our team. This role involves ensuring the quality and functionality of our products through a combination of manual and automated testing, with a strong emphasis on frontend and user interface (UI) testing. The ideal candidate will have experience in automation frameworks, programming languages like Python and JavaScript, and working in … cloud - based environments such as Google Cloud with T erraform for infrastructure management. Key Responsibilities: Perform manual and automated testing of user interfaces to ensure functionality, usability, and visual integrity. Validate user interactions and responsiveness to ensure seamless user experiences. Develop, implement, and maintain automated test suites using tools like Playwright, Cypress, or Selenium. Write and maintain test scripts … using Python and JavaScript, leveraging TypeScript when applicable. Integrate automated tests into CI/CD pipelines for continuous quality checks. Conduct exploratory, functional, and regression testing for various products. Validate bug fixes and ensure no regressions are introduced during development. Reproduce and document defects clearly for the development team. T est API endpoints for functionality, performance, and security More ❯

teams which include product owner/manager, UX designers, UX researchers, Developers, Platform engineers, etc Demonstrable experience working on continuous improvement environments doing multiple releases every week Coding and testing: Demonstrable experience designing, coding and debugging Golang based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring Boot Docker Kubernetes Atlassian Build tools … Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL and PostgreSQL including data modelling, SQL scripts, store procedures Shift to the left: Functional test automation (API testing, UI testing cucumber, nightwatch ) Nice to have More ❯

and best practices and embed quality as part of the development process. Alongside the strategic elements of the role, you are well-versed in all aspects of hands-on testing from manual to automation. You help find, debug and assess issues ensuring they are correctly prioritised, and then work with the team through to resolution. You bring a positive … requirements the team works on, identify opportunities ( technical, process, etc ), discuss priorities, and contribute to the design and implementation of solutions with a focus on delivering value. Hands-on testing - We are embracing and moving towards a microservice architecture approach that allows us to rapidly adapt and react to the changing needs of our business. You will be involved … hands-on in the testing and delivery of small iterative releases, automating wherever possible to continually improve efficiency. You are comfortable working independently when required, providing estimates, and reliably working with clear communication to deliver them. Quality Guild - we use Guilds for subject matter experts to get together, share ideas, knowledge, best practices and form standards to keep the More ❯

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 … 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 testing methodologies, including regression, performance, and security testing. Hands-on experience with CI/CD pipelines and integrating testing processes. Working knowledge of programming languages like Python, Java, or JavaScript is a plus. 3. Tools and Frameworks: Experience with test management tools such as MS Azure DevOps. Familiarity with performance testing tools and practices is advantageous. More ❯

Salesforce Lightning, Experience Cloud, and Service Cloud platforms. This role is critical for ensuring platform quality, accessibility, and performance across GDS-compliant digital services. Experience required: 8+ years' experience testing Salesforce applications, with 5+ years using Playwright for UI automation. Strong expertise in testing Salesforce Lightning components (LWC), portals, and OmniScripts. Solid understanding of Salesforce testing best … practices, accessibility compliance (WCAG 2.2), and performance testing. Experience integrating automated tests into CI/CD pipelines and using BrowserStack for cross-browser validation. Skilled in API testing (Postman) and working in Agile/DevOps environments. Key Responsibilities: Build and execute automated UI test scripts using Playwright within Salesforce environments. Conduct manual and automated accessibility testing (NVDA … to ensure WCAG 2.2 compliance. Perform performance and regression testing across Salesforce Experience Cloud portals. Collaborate with developers and analysts to define robust test strategies. Integrate tests with Azure DevOps pipelines and support ongoing quality assurance within Agile teams. Desirable skills: Azure DevOps, Azure Test Plans, VS Code MuleSoft or similar integration experience GDS project delivery background £520 Per More ❯

couples get married. We're on our way to becoming the first $1 billion Muslim tech brand - but we need your help! 2+ years experience of app testing (iOS and Android) Significant manual testing experience Proven success in building and leading a team Skilled in formulating and implementing test strategies Use of test management tools (e.g Qase) Experience … accurate reproduction steps Try to break our apps (in the best possible way) Attend our London office twice a week Mobile test automation experience or an interest Experience in API testing (e.g. Postman, curl) Experience of testing on both iOS and Android Comfortable in databases writing SQL to help collect test data Startup experience Why join Muzz More ❯

Automation Test Engineer Automated Native iOS, Android Testing Experience Required Why start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £55,000 - £65,000 benefits Our Client A new UK-based FinTech is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … 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. Continuously improve the … identifying inefficiencies, proposing solutions, and implementing best practices. Communicate test progress, test results, and other relevant information to project stakeholders. Automation Test Engineer - Experience Required Proven full stack automation testing experience of native iOS and Android mobile applications Solid automated experience with testing iOS and Android applications using emulators, simulators, or real devices. Strong proficiency in designing, executing More ❯

Automation Test Analyst Automated Native iOS, Android Testing Experience Required Why start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £55,000 - £65,000 benefits Our Client A new UK-based FinTech is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … 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. Continuously improve the … identifying inefficiencies, proposing solutions, and implementing best practices. Communicate test progress, test results, and other relevant information to project stakeholders. Automation Test Analyst - Experience Required Proven full stack automation testing experience of native iOS and Android mobile applications Solid automated experience with testing iOS and Android applications using emulators, simulators, or real devices. Strong proficiency in designing, executing More ❯

Automation QA Engineer Automated Native iOS, Android Testing Experience Required Why start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £55,000 - £65,000 benefits Our Client A new UK-based FinTech is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … 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. Continuously improve the … identifying inefficiencies, proposing solutions, and implementing best practices. Communicate test progress, test results, and other relevant information to project stakeholders. Automation QA Engineer - Experience Required Proven full stack automation testing experience of native iOS and Android mobile applications Solid automated experience with testing iOS and Android applications using emulators, simulators, or real devices. Strong proficiency in designing, executing More ❯

Role : Mainframe Test Lead Location : London Work Mode : Hybrid Job Description: The objective of this role is to validate the Test coverage and Testing evidence that the upgrades made to DB2, IMS, MQ Subsystems do not impact the application functionality. In addition to the above, the role requires to identify the application regression test cases associated to the below … subsystems, hence a deep understanding of the Mainframe systems i.e. DB2, IMS, MQ, COBOL, JCL are essential. Key Responsibilities: Lead end-to-end testing efforts for mainframe applications and APIs. Design and implement testing approach, Test plan, and Review Test cases for mainframe systems involving IMS and MQ. Collaborate with development, business, and QA teams to understand requirements … and ensure test coverage. Perform integration testing involving APIs, IMS transactions, and MQ messaging. Automate test cases where applicable and manage test data. Identify, document, and track defects using tools like JIRA or HP ALM. Ensure compliance with quality standards and best practices. Required Skills: Strong experience in mainframe testing (COBOL, JCL, DB2). Hands-on experience with More ❯

frameworks: self-hosted runners, containerized build agents, parallel execution, and artifact management. Proven success in reducing test flakiness and feedback loops in fast-paced product teams. Knowledge of REST API testing (Postman/Newman, REST-Assured) and CI/CD pipelines in GitHub Actions. Familiarity with performance/load testing tools (k6, Locust) and monitoring stacks (NewRelic More ❯

We are searching for a Test Analyst who will be crucial in driving the successful testing and delivery of a Microsoft Dynamics CE implementation. This role involves owning the full testing lifecycle, from planning through to execution, as the client transitions from their legacy CRM system (Open Engage) to Microsoft Dynamics CE. Responsibilities - Own the overall test strategy … and plan - Create and manage test scripts - Lead Functional Testing, E2E/SIT, and UAT - Manage and support a Test Analyst - Liaise with stakeholders in a politically sensitive environment - Oversee performance of the systems integrator - Communicate testing processes clearly to non-technical users - Strong CRM testing experience, ideally with Dynamics CE - Hands-on test planning and execution … expertise - Excellent stakeholder management and communication skills - Experience with Agile delivery methods - Familiarity with integration/API testing and DevOps pipelines Be first to hear about new opportunities with job alerts direct to your inbox. Be first to hear about new opportunities with job alerts direct to your inbox. More ❯

comprehensive test plan and test cases. Execute functional and automated tests to verify the accuracy, completeness, and reliability of functionality. Contribute to the development and enhancement of UI automated testing frameworks built on Espresso (Android) and XCUITest (iOS). Analyse requirements and determine technical feasibility for Automation. Integrate automated tests into CI to identify issues during development cycle. Contribute … Improve QA delivery and quality through defining test strategy, process improvements, coordination with multiple back end teams. Work with the development team to define and implement mechanisms to inject testing earlier into the software development process via mocking strategy. Prioritise competing demands, manage multiple concurrent tasks, adapt to changing priorities. Participate in regression testing to validate new enhancements … don't negatively impact existing functionality. Continuously improve the QA process and contribute to the development of testing best practices. Qualifications: Minimum 7+ years of technical experience with a bachelor's or master's degree in science (preferably Computer Science, Engineering, or other related disciplines). Must have hands-on testing experience in iOS and Android mobile platforms More ❯

Bonus and Benefits Requirements * Solid experience in QA (Manual and Automation) * Financial Services environment (Ideally Trading) * Depth of knowledge on automation * Expertise with ReadAPI, SpecFlow, and Test Complete for API automation. * Strong experience in maintaining automated regression packs and contributing to sprint testing. * Preferred skillset - C#, JavaScript, Playwright, API Testing (Flexibility) Please apply within for further detail More ❯

Performance Test Engineer Contract 5 months+ £350 Per day Role Description: To be successful as a Performance Test Engineer, you should have the following skills/experience: • Developing load testing scenarios using tools such as LoadRunner. Performance Center, AppDynamics, Dynatrace, New Relic, Kibana and Splunk. • Analysing performance bottlenecks and capacity limits. • Creating automated performance test suites. • Monitoring system behaviour … under stress conditions. Some Other Highly Valued Skills May Include • Experience with monitoring tools (such as AppDynamics) • Proficiency with API testing tools and load generation frameworks. • A good appreciation of HTTP protocols and REST APIs. • Excellent scripting knowledge. • An appreciation of how to approach non-functional testing for user interfaces (primarily web browsers). • An ability to More ❯

/.NET Core, with strong OOP principles. - Hands-on experience with Azure services including Logic Apps, Azure Functions, APIM, Event Grid, Azure Storage, and Service Bus. - Strong understanding of API/integration lifecycle best practices. - Skilled in JavaScript, XSLT, Liquid Templates, and Visual Studio Code. - Familiar with Azure Integration PaaS offerings and Application Insights. - Solid experience designing, building, and … enhancing RESTful and SOAP APIs, including APIM policies and transforms. - Strong knowledge of integration security protocols and standards. - Comfortable with API testing tools (e.g. Postman) and documentation processes. - Experience working with OpenAPI Specifications, WSDL, and XSLT. - Proficient in SQL Server and integration testing (unit/UAT). More ❯

commerce and/or digital marketing concepts. Familiarity with online storefront platforms (e.g., open source or SaaS solutions) is beneficial. Basic understanding of data exchange protocols and experience using API testing tools. Proficiency in spreadsheet software and basic knowledge of web analytics tools. Strong analytical, problem-solving, and critical thinking capabilities. Excellent written and verbal communication skills. Please More ❯

You will work closely with a talented tech team of Software Development Engineers (SDEs) and QA engineers(QAEs) to develop automation framework(s) for functional, performance as well as API level testing for web and mobile apps. Additionally, you will partner with QAEs in extending automation test coverage by writing core framework utilities and scripts that enable testers … Jenkins integration, bash/python scripting. Integrate with SCM infrastructure to establish a continuous build and test pipeline. Analyze and prototype potential test frameworks for functional/non-functional testing, create framework test utilities, maintain build and test infrastructure, Migrate local test infrastructure to AWS. Champion quality of features in development pipelines using automated tests, test reporting to enable … features and release candidates Establish processes and tools set to maintain automation scripts and generate effective test reports, dashboards. BASIC QUALIFICATIONS - 2+ years of non-internship professional software development testing experience - 1+ years of test automation frameworks and tools building experience - Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design More ❯