15 of 15 API Testing Jobs in the South East

Role: We are looking for experienced Automation Test Engineers/SDET to work on projects with our clients from both the public and private sectors. You will have a testing background and be confident using your skills to run projects directly with clients with minimal supervision. You will be a fundamental member of the team, responsible for designing, developing … to accommodate unique team requirements. Initiating and establishing processes for automation and performance monitoring. Actively contributing to both our Quality Engineering teams and our clients in establishing Automation and Testing best practices for the organisation. Collaborating with various teams to address their automation challenges and coordinating efforts with diverse teams to resolve performance test failures. Key Skills & Experience: Excellent … and troubleshooting skills as well as thrive in a dynamic work environment. In depth understanding of QA process and software development life-cycle. Proven experience with current front-end testing frameworks and tools, like Cypress or Playwright. Hands-on experience of building test automation frameworks from scratch. Proficiency in scripting and programming languages such as JavaScript and TypeScript (3+years More ❯

Data Test Automation Technical lead Location: London, UK 6 Months Contract or FTC 2 days onsite work per week • Overall Exp years, Relevant exp years. • Excellent experience in testing of data • Experience in creating data testing frameworks from scratch • Provide guidance to the team for testing of data demonstrating real experience in technology and processes • Technology experience … o JMeter – for API testing (Load and Performance testing experience not needed) o Groovy o Pyspark – Should be able to write scripts for data processing o Data Lakes o Kafka Streamsets o AWS cloud Requirements • Overall Exp years, Relevant exp years. • Excellent experience in testing of data • Experience in creating data testing frameworks from scratch … Provide guidance to the team for testing of data demonstrating real experience in technology and processes • Technology experience o JMeter – for API testing (Load and Performance testing experience not needed) o Groovy o Pyspark – Should be able to write scripts for data processing o Data Lakes o Kafka Streamsets o AWS cloud More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … or Selenium Write clear, maintainable test scripts Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … or Selenium Write clear, maintainable test scripts Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

team. Working in an Agile/Kanban environment, you will collaborate closely with developers and product owners, write and review automated test cases, and help drive best practices in testing and quality assurance. You'll also play a role in evaluating and implementing tools such as Playwright as the team transitions from Selenium. This is a hybrid role, primarily … or Selenium Write clear, maintainable test scripts Collaborate in Agile ceremonies, providing early feedback on testability and quality concerns Expand and maintain regression and feature test suites Conduct exploratory testing during feature development Review test automation code and contribute to internal test tools and utilities Support performance testing efforts using tools such as Azure Load Testing, JMeter … or Locust Contribute to backend/API testing and assist with security testing initiatives Skills and experience required: 2+ years of experience in software testing with a focus on test automation Proficiency in C# and automation tools like Selenium or Playwright Experience working within Agile/Kanban teams and a strong understanding of shift-left testing More ❯

preparing test reports, and working closely with relevant departments and stakeholders to report defects when required. Key skills required Proven track record in software test roles doing hands-on testing Must have experience in Agile/Scrum models Strong Testing experience with API, Cross Platform Testing, Cross Browser Testing, Web, Mobile and Tablet Strong Testing Experience in Non-Functional testing Experience of working with Test Management tools like JIRA, TFS, ALM Familiar with C# .NET, HTML, SQL & Java Good Experience of working with SQL and SQL Management Studio. Excellent knowledge in Postman & SOAP UI for API Testing Must be able to work closely with the BA & development teams Strong attention to … C# .net will be an added advantage Experience working with Selenium Webdriver Previous work experience within the logistics industry ISTQB Advance level Test Analyst or equivalent certification in software Testing Benefits Full private health insurance through healthcare partner Group Life Insurance and Income Protection BUPA Dental 23 days holiday, rising to 26 days per years’ service + all UK More ❯

testing. You will be responsible for the development and implementation of documented test cases. Hybrid working Key skills & experience Proven track record in software test roles doing hands-on testing Must have experience in Agile/Scrum models Strong Testing experience with API, Cross Platform Testing, Cross Browser Testing, Web, Mobile and Tablet Strong Testing Experience in Non-Functional testing Experience of working with Test Management tools like JIRA, TFS, ALM Familiar with C# .NET, HTML, SQL & Java Good Experience of working with SQL and SQL Management Studio. Excellent knowledge in Postman & SOAP UI for API Testing Must be able to work closely with the BA & development teams Strong attention to More ❯

areas of software testing. Hybrid working Key skills & Experience • 5 years + proven track record as a Software test Lead • Must have experience in Agile/Scrum models • Strong Testing experience with API, Cross Platform Testing, Cross Browser Testing, Web, Mobile and Tablet • Strong Testing Experience in Non-Functional testing • Experience of working with … tools like JIRA, TFS, ALM • Familiar with C# .NET, HTML, SQL & Java • Good Experience of working with SQL and SQL Management Studio. • Excellent knowledge in Postman & SOAP UI for API Testing • Keen attention to detail essential • Must be motivated to work independently whilst able to positively influence and engage with other team members • Must be able to work … closely with the BA & development teams • ISTQB Advance level Test Analyst or equivalent certification in software Testing is desirable but not essential. • Automation skills experience creating and maintaining automation frameworks and scripts in line with coding standards will be an added advantage (not a must have) • Demonstrated experience writing test scripts from scratch in C# .net will be an More ❯

and have the chance to help shape the strategy and direction.Due to the nature of the role, active SC clearance is required.It will involve hands-on functional/automation testing in a QA role, testing an AWS-based PAM solution and identity integrations (AWS > Entra ID), ensuring security, functionality, and CAF-aligned assurance.Key Responsibilities Test AWS-based PAM … configuration, deployment and privileged access journeys. Validate controls against NCSC CAF (identity, privileged access, monitoring, resilience). Execute functional, automation and API testing (UI + backend). Test authentication flows via Entra ID, including MFA and conditional access. Validate federated identity (SAML/OIDC) between Entra ID and AWS-hosted services. Perform data validation within AWS deployments. Conduct … device configuration testing for PAWS. Support integration, regression and exploratory testing. Produce clear test evidence, defects and assurance outputs. Skills & Experience Functional and API testing; experience with Postman or REST Assured. Automation experience; frameworks like Selenium useful. Knowledge of Python, JavaScript or Java for test scripting. Familiarity with JMeter or Gatling for load/performance testing. Strong More ❯

s fastest-growing tech innovators, delivering cutting-edge logistics and field service solutions through smart, scalable software. We're looking for a skilled Agile QA Engineer with strong manual testing experience across Web, Mobile, APIs, Databases, and XML . You'll play a key role in shaping quality from the start of the development cycle, working on a high … Be Doing: Design and execute manual and exploratory tests Collaborate on automated test scenarios Own QA environments and test plans Work closely with developers and stakeholders Apply shift-left testing principles from day one What You'll Bring: ISTQB Foundation (or equivalent) 3-4 years' experience in manual testing Api Testing experience Strong SQL and Postman More ❯

we unlock liquidity across private equity, private credit, and real assets, transforming the industry and enabling investors to move faster and smarter. We are looking for a Senior Automation Testing Engineer to lead the design, implementation, and execution of automated testing frameworks across our platforms. The ideal candidate has extensive experience in building reliable, scalable test automation systems … one programming language used for automation (e.g., Python, JavaScript, or Java). Solid understanding of CI/CD pipelines and experience integrating test automation into build processes. Experience with API testing tools (e.g., Postman, RestAssured) and database validation (SQL). Familiarity with performance and load testing tools is a plus (e.g., JMeter, k6). Excellent communication skills … in English, with the ability to collaborate effectively across teams. Experience using AI-assisted development/testing tools (e.g., Cursor AI) to enhance test coverage and efficiency. Thrives in a fast-moving startup environment - flexible, proactive, and self-directed. If you meet the requirements above you're excited to shape the future of private markets and work alongside a More ❯

Collaborate with product and development teams to define acceptance criteria and test coverage for each story. Design, build, and maintain automated test frameworks using Java. Perform exploratory and automated testing across all phases of development. Work with developers to create and test stubs, mocks, and integration points. Ensure traceability and visibility of test progress and quality metrics. Contribute to … Agile ceremonies, retrospectives, and planning sessions, championing test best practices. Provide test assurance against defined acceptance and non-functional requirements. Support CI/CD integration and continuous improvement of testing processes. Required Skills & Experience 5+ years' experience as an SDET or Automation Engineer. Strong knowledge of Java (OOP, SOLID principles) and ability to build coded test frameworks. Experience with … RESTAssured and API Testing . Familiarity with SQL/RDBMS and Integration Testing . Hands-on with Git/GitLab , Gradle , Jenkins , and SonarQube . Experience with JUnit , Cucumber (TDD/BDD) , and Postman for debugging and exploratory testing. Strong understanding of Agile methodologies and CI/CD pipelines. Excellent communication skills and ability to work autonomously. More ❯

be responsible for building a test automation framework entirely from scratch, working hands-on with cutting-edge AI-powered developer tools Code Rabbit, Cursor, Claude Code to revolutionise how testing is done across the business. This is a very successful, established Fintech in the heart of London. Ideally AI Tech Stack in play but not limited to and the … client are open to new tech: CI/CD pipelines, Jira, Git, Confluence, Jenkins, REST API testing, SNS, SQS, Kafka, AWS MSK, Code Rabbit, Cursor, Claude Code, Perl, JavaScript, C#. A great opportunity taking full ownership of the automation strategy. Designing, building, and scaling frameworks that power high-volume financial transaction systems. Working closely with product development teams … to transform manual regression testing into intelligent , AI-assisted automated suites, improving both quality and delivery velocity. Defining best practices, embedding automation into CI/CD pipelines, and champion a culture of continuous delivery and innovation. Would suit someone with extensive software automation testing. A proactive individual who thrives on a challenge, can own the test, do end to More ❯

the ground up, use your voice to drive change and help transform organisations and problem domains. Role: We are seeking a SDET (Software Development Engineer in Test) experienced in API automation, data validation, and AI-enabled systems. The ideal candidate has hands-on experience building automation frameworks in Python and exposure to validating AI or data-driven systems deployed … teams to ensure the reliability and performance of applications that integrate AI/ML components, Agentic AI workflows, and large-scale data processing pipelines. Key Responsibilities: Design and implement API automation frameworks using Python (PyTest, Requests, or Robot Framework). Automate validation for AI-driven systems, including Agentic AI, LLMs, and data pipelines. Test and validate RESTful APIs, data … tests within CI/CD pipelines using Azure DevOps, GitHub Actions, or Jenkins. Work with data teams to validate data transformations, ETL pipelines, and batch processing jobs. Ensure consistent testing coverage across AI services, data APIs, and integration layers. Contribute to framework enablement, mentoring peers and improving test automation standards. Required Qualifications: Strong experience in Python for test automation. More ❯

QA Team and you will be working on a market-leading global analytics platform. The role is around 50% Manuel and 50% automation with a mix of UI and API testing. Key Responsibilities Define acceptance criteria and embed quality early in the SDLC Perform exploratory and automated testing across API and UI Build and maintain automated test … scenarios Create and manage bug reports Support unit, integration, and end-to-end testing Work with deployment teams and resolve CI issues Requirements 8+ years' experience in QA Automation Strong manual and automation skills Experience in Python, Java, or C# UI and API automation knowledge Cross-functional team experience Benefits 25 days holiday 10% bonus Private healthcare Pension More ❯