13 of 13 Permanent API Testing Jobs in London

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, where that functionality is not yet incorporated into automated test scripts. Validation of issues found whilst testing existing functionality to determine … whether they are regressions or a pre-existing issues. Scripted end to end testing of new functionality. Exploratory testing based on business scenarios. Initial testing of new functionality following first release from development. Re-testing of issues as and when fixes become available. Capturing testing evidence (including replication/exploratory test steps, screen shots, videos More ❯

their Tech team with stong experience in Java coding (OOP, SOLID). Building automation platforms and frameworks. From a technology perspective, the key skills for the role are: RESTAssured, API Testing Contract Testing - Nice to have Pact framework - Nice to have OOP Java Integration Testing SQL, RDBMS Gradle, Git Spring - Nice to have Must have SC … clearance! (NPPV3 is preferrable) Experience and Skills + A minimum of 5 years relevant experience as an SDET + Strong experience of OOP and SOLID + Unit testing with Junit + Experience and knowledge of API testing with coded framworks and Postman for debug and exploratory testing. + Strong experience with Gitlab and Git + SonarQube + … + Wiremock - Nice to have + Jira and Confluence This role will include but is not limited to: Working with the product team to define the acceptance criteria and testing DOD for each story Pairing with the developers to define and review the required tests that will address all features and functions of a product delivery at the unit More ❯

leading banking client are looking for a Quality Engineer to join their team on an initial 6-month contract. Key skills/knowledge required: Strong proficiency in Python-based testing frameworks (e.g., Behave, PyTest, unittest) Experience in automated testing of data pipelines and ETL processes Experience with data validation frameworks and testing data transformations across Snowflake and … AWS environments Knowledge of API testing tools and frameworks (Postman, REST Assured, or similar) Hands-on experience testing OMS platform integrations (Aladdin, Murex, Charles River) and validating trade lifecycle data flows Experience integrating automated tests into CI/CD pipelines for continuous delivery Hands-on experience validating data accuracy and integrity across multiple systems Experience working embedded … departments Strong problem-solving skills with ability to design effective test strategies for complex data workflows Ability to work collaboratively with engineers, delivery roles, and business stakeholders Knowledge of testing methodologies for data pipelines, APIs, and integrations Knowledge of data quality testing patterns and anomaly detection in capital markets data Understanding of compliance and audit requirements in regulated More ❯

delivering value to our customers through our mobile app and website. This role is critical to the success of the whole team. You will be responsible not just for testing but for driving quality across the whole squad, from planning through execution and release. Whilst all our teams believe firmly in the importance of incorporating testing into everything … they do, and of having a clear and comprehensive testing plan, you will bring your expertise to continue to develop their skills and approach, and to continuously improve the QA process and approach. You are passionate about delivering quality software and can lean on your rounded skill set to enhance the Product, Agile software delivery and Technology capabilities of … approach to QA and focus on delivering maximum value with minimal effort Adopting a risk-based approach to quality assurance Supporting a continuous delivery approach Advocating for simplicity in testing, approach, ways of working and tool choice Collaborating with the Tech Lead on lean testing and release strategy balancing risk and speed of delivery Assisting the team with More ❯

solver with a knack for uncovering bugs and optimising software quality, this is your chance to make an impact and grow your career. What You’ll Be Doing Automation Testing Develop, maintain, and execute automated test scripts using UI automation tools (preferably Selenium). Focus on programming in C# (preferred), though experience in Python, Java, or other languages is … acceptable Collaborate with developers to integrate automated tests into the development process and CI/CD pipelines. Manual Testing Conduct thorough manual testing to validate software functionality and user experience. Write and execute detailed test cases and plans across various platforms. Identify, track, and document defects using our established bug tracking tools. What We’re Looking For We … with our project. Familiarity with design patterns and best practices in C#. Bonus Points For : Exposure to CI/CD pipelines (GitHub Actions, Azure, Jenkins, etc.). Experience with API testing tools like Postman, Insomnia, or curl. Exposure to performance testing tools. Who You Are Independent and Proactive: You’re comfortable taking the lead and researching solutions More ❯

Overview The IT Test Analyst is responsible for planning, designing, and executing testing activities to ensure that software systems meet quality standards and business requirements. The role involves identifying issues, documenting bugs, and working closely with developers, business analysts, and other stakeholders to deliver high-quality software solutions. Responsibilities Analyze requirements, specifications, and technical design documents to create detailed … comprehensive, and well-structured test plans and test cases. Perform various types of testing: functional, system, integration, regression, user acceptance (UAT), and exploratory testing. Collaborate with developers and business analysts to clarify requirements and resolve issues. Log and track defects using issue tracking tools (e.g., JIRA, Azure DevOps). Participate in Agile ceremonies such as sprint planning, daily stand … test automation efforts where applicable. Ensure adherence to QA standards and best practices. Prepare test reports and contribute to test sign-off documentation. Support go-live activities, including release testing and production verification. Qualifications Bachelor's degree in Computer Science, Information Technology, or a related field. ISTQB Certification or equivalent. Essential skills Solid understanding of software development life cycles More ❯

platforms: a trade execution system and a risk management platform. Role and Responsibilities: Design, develop, and maintain automated end-to-end tests using Cypress and Playwright. Create and maintain API test suites (REST & WebSocket) to ensure backend reliability and performance. Integrate automated tests into CI/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments. Collaborate closely … with development and product teams to define test strategies and coverage. Conduct manual and exploratory testing where automation is not yet implemented. Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality. Champion a culture of quality and testing excellence across the team. Essential Skills and Experience: Proven experience in test automation using Cypress … or Playwright. Strong knowledge of API testing (REST, WebSocket). Proficiency in JavaScript/TypeScript. Experience integrating tests within CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins). Manual and exploratory testing experience. Background in Agile/Scrum delivery environments. Previous experience in financial services, fintech, or trading systems. Desirable Skills: Working knowledge of SQL More ❯

platforms: a trade execution system and a risk management platform. Role and Responsibilities: Design, develop, and maintain automated end-to-end tests using Cypress and Playwright. Create and maintain API test suites (REST & WebSocket) to ensure backend reliability and performance. Integrate automated tests into CI/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments. Collaborate closely … with development and product teams to define test strategies and coverage. Conduct manual and exploratory testing where automation is not yet implemented. Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality. Champion a culture of quality and testing excellence across the team. Essential Skills and Experience: Proven experience in test automation using Cypress … or Playwright. Strong knowledge of API testing (REST, WebSocket). Proficiency in JavaScript/TypeScript. Experience integrating tests within CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins). Manual and exploratory testing experience. Background in Agile/Scrum delivery environments. Previous experience in financial services, fintech, or trading systems. Desirable Skills: Working knowledge of SQL More ❯

complex applications Build automation tools and enhance framework capabilities to meet evolving project requirements Implement and maintain automation and performance monitoring processes Contribute to the definition of automation and testing best practices across teams Collaborate closely with developers, QA specialists, and delivery teams to ensure effective automation coverage Support performance test investigations and coordinate resolution efforts across teams Key … understanding of QA processes and the software development lifecycle Proven experience designing and implementing automation frameworks from scratch Proficiency in Java and JavaScript (3+ years) Hands-on experience with API testing tools such as RestAssured or SoapUI Experience implementing contract testing solutions (e.g., PACT) Familiarity with CI/CD tools such as Jenkins, GitLab CI, or similar … Experience testing microservices and containerised applications (e.g., Docker, Kubernetes) Working knowledge of cloud environments (AWS or Azure) Understanding of accessibility testing standards Experience using tools such as Jira and Confluence for documentation and test management More ❯

complex applications Build automation tools and enhance framework capabilities to meet evolving project requirements Implement and maintain automation and performance monitoring processes Contribute to the definition of automation and testing best practices across teams Collaborate closely with developers, QA specialists, and delivery teams to ensure effective automation coverage Support performance test investigations and coordinate resolution efforts across teams Key … understanding of QA processes and the software development lifecycle Proven experience designing and implementing automation frameworks from scratch Proficiency in Java and JavaScript (3+ years) Hands-on experience with API testing tools such as RestAssured or SoapUI Experience implementing contract testing solutions (e.g., PACT) Familiarity with CI/CD tools such as Jenkins, GitLab CI, or similar … Experience testing microservices and containerised applications (e.g., Docker, Kubernetes) Working knowledge of cloud environments (AWS or Azure) Understanding of accessibility testing standards Experience using tools such as Jira and Confluence for documentation and test management More ❯

team of QA engineers and play a central part in ensuring the quality, accuracy, and performance of our data-driven products. Main Duties and Responsibilities Lead and execute automation testing for critical Research initiatives Manage, mentor, and support the growth of QA engineers (manual and automation) Conduct regular 1:1s, performance reviews, and career development planning Champion a culture … of quality, ownership, and continuous improvement Oversee and enhance onboarding processes for new QA team members Skills and Experience Strong experience in manual and automated testing of web and mobile applications.Proficient in automation frameworks (e.g., Selenium, Cypress, Playwright, Appium). Experience with API testing tools (e.g., Postman, REST-assured). Strong working knowledge on CI/CD More ❯

Extensive Benefits , London My Leading Commodities Trading Client are looking for a Lead QA Engineer to Lead on Strategy, Focus and Delivery for a team of 8 UI, DB, API QA's working in a C#/JavaScript Technology Stack having ownership for the Oil and Gas Trading Platform. This role is 3 days a week in London. Key … Responsibilities: Lead Testing across multiple projects, ensuring successful execution of test plans to schedule. Create and deliver comprehensive test automation strategy that aligns with the projects objectives. Design and lead on development of automated test scripts and test data using (c#, Javascript) Lead Team of 8 QA Engineers across (UI, DB and API Testing), Goal Setting, Direction … Priority/Focus, Delivery etc. Key Requirements: Extensive experience in Automated Testing across UI, DB and API in a Trading Environment. Depth of knowledge in C# and Javascript Strong Commodities Trading Experience (Ideally Oil and Gas) Please apply with your CV and contact details if you are interested in pursuing this opportunity. More ❯

platforms such as CRM, AI-enhanced productivity apps, Zapier, Notion, or data visualisation tools. Experience with coding or scripting (e.g., Python, SQL, JavaScript) for tasks such as data manipulation, API testing, or light prototyping. Job Benefits $1,000 Learning & Development budget to use on anything (agreed with your manager) that contributes to your growth and development Holidays More ❯