1 to 25 of 38 API Testing Jobs in London

Engineer on the Data Layer Team, you will play a vital role in upholding engineering and quality best practices across our data infrastructure. You will design and implement robust testing strategies to validate scalable data pipelines and ensure data accuracy, integrity, and performance across our platforms. Collaborating closely with data engineers, solution architects, product owners, and technical leads, you … and the opportunity to shape an enterprise-wide data ecosystem, we'd love to have you on our team. You're Good At Should have strong knowledge of manual testing & automation development. Experience with Agile methodology and Scaled Agile. Experience working with QA testing framework and tools. Knowledge of validating streaming data flows and asynchronous processing. Python scripting … experience for test automation of data pipelines, API testing, and custom validations. Knowledge of JIRA & Zephyr tools Possess good understanding of Software Development Life Cycle, Testing Life Cycle & Automation test life cycle Good understanding of Java & Automated Testing using Selenium WebDriver, TestNG and Maven. Hands-on Experience in writing Test Scenarios, Test Cases, Test Execution and More ❯

Month contract based in Edinburgh or London. Purpose of the Role: We are looking for a skilled Automation Test Analyst to join our Financial Crime Technology - Strategic InLife Testing team. You will be part of a large and dynamic testing function working on critical financial crime systems that protect the bank and its customers. The role requires someone … within existing automation frameworks. You will be expected to create new scripts, maintain and execute existing scripts, and ensure governance standards are met . Strong experience in automation, functional testing, API testing, and Scripting is essential, along with the ability to understand user stories and translate them into effective test cases. As an Automation Test Analyst you … and requirements into well-structured test scripts and scenarios. Collaborating closely with developers, testers, and business stakeholders to ensure test coverage aligns with functional and non-functional requirements. Supporting API and integration testing using relevant tools and frameworks. Conducting performance and load testing to validate system stability and scalability. Ensuring test artefacts and scripts are governed, version More ❯

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 ❯

Role Title: Automation Tester Minimum years of experience 5-8 years Job Description: Skillset - Tricentis Testim & Selenium Responsibilities • Design, develop, and maintain scalable and efficient test automation frameworks for API and backend testing • Collaborate with development teams to understand application requirements and ensure comprehensive test coverage • Strong proficiency in Java or JavaScript languages. This is required to write … custom code, create add-ons, and handle complex scenarios that may arise during the automation testing process. • Integrate automated tests into the Continuous Integration/Continuous Deployment (CI/CD) pipeline • Analyze and report on test results, identifying and documenting defects and areas for improvement • Experience with custom frameworks like Selenium with Java is desirable. • Experience with any low … to date with the latest trends, tools, and technologies in the test automation domain Qualifications • 7+ years of experience in test automation, with a strong focus on backend and API testing • Proficient in JavaScript programming language. • Hands-on experience with API testing tools and frameworks (e.g., Postman, Pytest, Requests) • Solid understanding of RESTful APIs, JSON, XML 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 ❯

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 ❯

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 ❯

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 ❯

As part of your role, your responsibilities will include: Design quality strategies for new features from the planning stage, defining clear acceptance criteria and quality metrics Coach developers on testing best practices, helping them build more reliable user experiences and compliant workflows Create test automation frameworks for front and back-end applications at API, service, and UI levels … Implement specialised testing for performance, security, and accessibility Maintain CI/CD testing pipelines in collaboration with our Platform Engineering team to ensure rapid, reliable delivery of features Identify quality risks early by participating in design sessions and providing expertise on complex testing challenges Evaluate and implement quality tools that enhance the team's efficiency in delivering … Strong programming skills in Typescript and at least one of the following: .Net, C# or Python Experience with test automation frameworks and tools (e.g., Playwright, Cypress, Appium) Experience with API testing (e.g., Postman, RestAssured) Understanding of CI/CD pipelines and their integration with testing (e.g, Azure DevOps and GitHub Actions) Experience writing automated non-functional-requirement 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 ❯

something you would be a 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 of Database management tools and … o Displays clear and precise 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 ❯

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 ❯

could be something you would be a 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 of Database management tools and … SQL)o Displays clear and precise communication skillso Knowledge of automation framework (cypress, playwright, typescript)Desirable:o Knowledge of automation tools (Selenium Web Driver, VS Code)o Knowledge of testing google analyticso Knowledge of Mobile testingo Browserstack If you would be interested please apply below! 49573NB INDMANS More ❯

test plans and suites that approximate real-world environments and regression tests driving the software development process toward quality-centric methodologies. You will develop automated tests to help fasten testing cycles and release faster to our customers. In this role, you will be responsible to deliver manual/automated solutions to test customer facing features. As innovators we embrace … release high quality software to our customers. BASIC QUALIFICATIONS - BS in Computer Science or equivalent combination of technical education and work experience - QA experience within Industry - Experience in automation testing using Python - Excellent knowledge of testing methodologies - Experience in writing test documentation PREFERRED QUALIFICATIONS - Experience with DB and SQL - Experience with API testing (Postman) - Experience in 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 ❯