76 to 100 of 155 API Testing Jobs in the UK excluding London

SDET to join their team. Key Responsibilities: Lead and manage a small team of SDETs, including recruitment and onboarding Mentor junior and senior SDETs to grow their technical and testing capabilities Drive test automation strategies and team planning for complex software systems Collaborate cross-functionally to document and maintain scalable automation frameworks Advocate Agile best practices throughout the development … lifecycle Provide training sessions on automation tools, frameworks, and testing methodologies Technical Requirements: Strong coding skills in Java Hands-on experience with: Selenium WebDriver for UI automation JMeter for performance testing RESTful APIs testing Agile/Scrum methodologies ✅ What You Bring: Proven experience leading/managing small technical teams Strong background in automation testing and test More ❯

basis for an initial 6 months, with a potential to extend further. About the Role Working within the Borders business unit, The ideal candidate will have experience in performance testing of UI, APIs, and messaging systems, with strong hands-on expertise in LoadRunner Suite, Azure/Jenkins pipelines, and Postman. This role will focus on ensuring the performance, scalability … applications. Key Duties: • Design and execute performance test plans for UI, APIs, and messaging systems • Use LoadRunner Suite and other tools to simulate load and analyse performance • Run performance testing pipelines using Azure DevOps or Jenkins • Use Postman for API validation as part of performance testing flows • Identify bottlenecks and diagnose performance issues in complex systems • Collaborate … analysis and improvement suggestions What we are looking for Required Skills and Experience: • Strong experience with LoadRunner Suite • Proficiency with Azure DevOps or Jenkins pipelines • Experience using Postman for API testing • Solid understanding of performance testing across UI, APIs, and messaging systems • Hands-on experience with Single Page Applications (Angular) • Skilled in performance issue diagnosis and troubleshooting More ❯

re working with a large-scale businesses sector programme, helping to grow a collaborative, engineering-led team at the forefront of digital transformation. If you're passionate about modern testing practices, automation, and working in fast-moving multidisciplinary teams - this is the role for you. What You'll Do: Be part of a collaborative Agile delivery team, working alongside … BAs, and product stakeholders. Own the quality assurance process - from understanding requirements through to delivery. Build and maintain automated test frameworks using modern BDD approaches (Cucumber, Gherkin). Conduct API testing, functional and non-functional testing, and support 3rd-party QA integration. Ensure test coverage across all stages of the SDLC in a Java-based, cloud-hosted … environment. What We're Looking For: 5+ years' experience in testing or quality engineering roles. Hands-on expertise with: Test automation tools (e.g., Cucumber, JUnit) API testing (Postman or similar) Version control systems (e.g., Git) Strong understanding of Agile delivery and test-first principles. Ability to write and implement BDD scenarios (Gherkin) and collaborate with developers on More ❯

additional annual leave Private medical insurance options What will you be doing as a QA Engineer? As a QA Engineer , you will play a critical role in the independent testing of all software developed by the Logistex Systems Software Team. You will help ensure quality, reliability, and performance across all releases. What will your key responsibilities be? Design, write … and execute test plans and test cases Perform functional, regression, integration, and performance testing Create and maintain test data and environments Collaborate with developers and stakeholders to ensure requirements are fully understood and tested Assist with the selection and use of appropriate automation tools and frameworks Document and report defects clearly and work with the team to resolve issues … What are we looking for? Minimum of 2 years’ experience in software testing or QA Experience in WMS, WES and/or WCS applications is desirable Solid understanding of testing processes, tools, and methodologies Experience with API testing tools (e.g. SOAP-UI, REST) Familiarity with automated testing tools (e.g. Selenium, Postman, Jenkins) What are you More ❯

talent thrives and innovation flourishes in Defense, Nuclear, Marine, Civil and more. They are seeking a contractual Security Cleared Test Analyst with significant experience in functional and non-functional testing, with the ability to interact with Business Analysts, Developers, Project Managers, and other Testers. They are seeking a highly skilled and experienced Software Tester to support the Royal Navy … s IT systems and guarantee timely software deliveries and quality assurance. Skills Required: Active Security Clearance (SC). Experience with Automation testing Selenium, with Test Rails, Azure DevOps, Defect Management, SQL skills. API Testing, Backend Testing, Performance Testing. With a legacy of impactful contributions, it remains a pivotal force in engineering and support services on an More ❯

to support product and project development, working alongside developers and platform engineers to influence design and integrate tests into Continuous Delivery pipelines. You will have the opportunity to influence testing approaches and tools. Analyze test requirements, design reusable test scripts, and specify environment, data, and tool needs. Overcome development obstacles to deliver quality testing on time. Review peer … functional, performance, and security test scripts. Analyze requirements for test automation, design technical solutions, and review scope and execution of unit and integration tests. Collaborate with engineers to clarify testing of their work. Perform exploratory testing when scripted testing is inadequate. Your skills and experiences Knowledge of API Testing (REST Assured). Experience with automated … test tools such as Selenium WebDriver or Cucumber. Proficiency in Java. Experience testing UI and large data sets. Understanding of microservices architecture. Other desirable skills Kubernetes, Kafka, BDD/TDD tools, accessibility standards, AWS, Postgres. Benefits Competitive pension, employee share plans, flexible health and lifestyle benefits, private health plans, shopping discounts, and potential annual incentives. Why BAE Systems? Join More ❯

You must also be enthusiastic and be willing to accept new challenges. Nice to haves Candidates with the following will have an advantage: Previous experience in a QA or testing role. Familiarity with Agile methodologies or experience working in a Scrum team. Be familiar with Windows, Windows applications and Microsoft Office products. ISTQB/ISEB Certified Tester or Qualifications … or equivalent. Experience with Azure DevOps. Experience with differing test environments/VMs/SQL/API testing tools. CI/CD Testing web front ends. We value the right mindset over perfect experienceif you bring industry knowledge and a passion for quality, well help you build the rest More ❯

direction of automated testing. Analyzing test requirements, designing and producing reusable test scripts and specifying requirements for environments, data and test tools required Overcoming development obstacles to deliver quality testing on time Reviewing test artefacts produced by peers Reviewing test results and modifying the test suite as necessary Defining and creating test cases from the analysis of non-functional … describe how their work will be, or has been, tested such that the Software Engineers gain insight into the tester's interpretation of the requirements Executing Session-based (Exploratory) Testing where scripted testing is inappropriate or requires augmentation Your skills and experiences Knowledge of API Testing (REST Assured) Knowledge of at least one automated test tool … preferably Selenium WebDriver or Cucumber) REST assured Microservices Experience testing both UI and large data sets Other Desirable Skills (not Mandatory) to which we would be happy to upskill if candidate is keen to learn: Kafka Familiarity with BDD and TDD tools Awareness of accessibility standards AWS As well as a competitive pension scheme, BAE also offers employee share More ❯

Join to apply for the API Test Analyst/Automation Tester role at Experis UK . Get AI-powered advice on this job and more exclusive features. Responsibilities: Under minimal supervision, create automation scripts, estimates, and perform pre- and post-conditioning. Execute automated tests and collate evidence for progress reporting and tracking. Communicate the tests executed, data used, results … and defects to project stakeholders. Job Details: Title: Test Analyst Description: API Testing Location: Northampton Duration: until 31 December 2025 Rate: £280 per day - via Umbrella Role Overview: API Automation Tester Overall Purpose: Create automation scripts using Java, Selenium, JQuery, Cucumber. Set up and execute automated tests, record evidence. Essential Skills/Qualifications: Experience in API test automation using REST Assured, Karate, Selenium, Cucumber with Java. Knowledge of testing lifecycle, techniques, and approaches. Ability to estimate, design test plans, write test scenarios, execute cases, and report bugs. Ability to identify process improvements and write high-quality, reusable test code. Effective communication skills for reporting to stakeholders. Key Accountabilities: Improve testing efficiency and methods. More ❯

Test Automation Tools : Experience with MS Playwright for web application testing and API testing. CI/CD Integration : Familiarity with Azure DevOps for setting up and maintaining CI/CD pipelines. Database Knowledge : Experience with SQL databases, particularly in Azure Performance and Load Testing experience Methodological Skills Agile and Scrum : Solid understanding of Agile methodologies and Scrum More ❯

/2025 Location: Knutsford/Northampton/London, hybrid 2/3 days onsite Key Skills/requirements Previous experience as a Automation Tester (Open Banking/Payment API) API Automation Tester OR Payments SME required with extensive experience in full stack engineering, test automation Understanding of IT systems and functioning Must demonstrate effective communication with management, peers …/Java Skills Karate/Selenium/Cucumber/Stash/GIT - Automation skills/Lead Teams using these tools CA Lisa/Rest Assured – Exposure to/Experience API testing teams Working with Agile Methodologies/Understanding of Dev Ops Tools All profiles will be reviewed against the required skills and experience. Due to the high number More ❯

Are you looking to progress your career in software testing, by taking a Lead Tester role in a growing, recently invested into, UK SaaS product company? Acting as a Lead Tester, you ll be comfortable leading a small team of testers. This is a hands on & team lead role, so you ll want to continue learning the latest automated … testing frameworks, such as Playwright as well. So, if you want to join a leading UK SaaS product company, as a key technical hire within the software & product team who are at the start of a significant, investment driven growth phase look no further! Role title: Lead Tester. Test Lead. Senior Tester looking for a step up. Location: Banbury … Coventry, Milton Keynes, Rugby, etc. Salary: £50K - £55K Basic + Benefits package In the main, we would look for to be experienced in & demonstrate, the following: - Experience in software testing, with a strong focus on functional, regression, and automated testing. - Solid understanding of software development processes and methodologies (e.g., Agile, Scrum) and the role of testing within these More ❯

Are you looking to progress your career in software testing, by taking a Lead Tester role in a growing, recently invested into, UK SaaS product company? Acting as a Lead Tester, you’ll be comfortable leading a small team of testers. This is a hands on & team lead role, so you’ll want to continue learning the latest automated … testing frameworks, such as Playwright as well. So, if you want to join a leading UK SaaS product company, as a key technical hire within the software & product team who are at the start of a significant, investment driven growth phase – look no further! Role title: Lead Tester. Test Lead. Senior Tester looking for a step up. Location: Banbury … Coventry, Milton Keynes, Rugby, etc. Salary: ~£50K - £55K Basic + Benefits package In the main, we would look for to be experienced in & demonstrate, the following: - Experience in software testing, with a strong focus on functional, regression, and automated testing. - Solid understanding of software development processes and methodologies (e.g., Agile, Scrum) and the role of testing within these More ❯

role at Tillo Who we’re looking for: A skilled Software Development Engineer in Test (SDET) to join our QA team. You will combine software development expertise with automated testing, focusing on building and maintaining robust automated testing solutions. You will be responsible for architecting and implementing our automation testing strategies, with a particular emphasis on regression … testing for our StoreFront platform. The challenge: To drive quality assurance initiatives, develop comprehensive test strategies, and work closely with developers to ensure the highest standards of software quality. Your expertise in automation and load testing will be crucial in maintaining the reliability and performance of our user-facing applications while supporting our continuous integration and deployment processes. … our Hove office Who we’re looking for: A skilled Software Development Engineer in Test (SDET) to join our QA team. You will combine software development expertise with automated testing, focusing on building and maintaining robust automated testing solutions. You will be responsible for architecting and implementing our automation testing strategies, with a particular emphasis on regression More ❯

Responsibilities: • Develop modern frontend components and applications using React and TypeScript • Translate complex FinOps workflows into usable, intuitive interfaces in collaboration with product and backend teams • Design and optimize API interactions using REST and GraphQL • Champion frontend performance through techniques such as code splitting , lazy loading , and caching • Prioritize security , implementing best practices in frontend/backend data flows … Contribute to UI/UX design through feedback, prototyping, and iteration • Maintain high standards in code quality , testing, and CI/CD integration • Stay up to date with modern frontend trends and drive continuous improvement • Contribute to architectural decisions and shape the future of the frontend platform Essential Criteria: • Strong commercial experience building frontend applications with React , TypeScript , JavaScript … Proven ability to create high-performance, responsive, and accessible interfaces for data-rich SaaS platforms • Expertise integrating APIs using REST and/or GraphQL • Experience with frontend build tools, testing frameworks, and CI/CD best practices • Passion for clean UI design, usability, and a user-first development approach • Strong problem-solving skills with the ability to deliver practical More ❯

scratch for a complete front end & back end integrated project. Collaborate with QA lead & implement a SaaS focused Quality Management System in Azure based project. Implement and maintain automated API testing using RestSharp, Postman, and Newman. Successfully achieve business value outcomes by acting on QA KPIs identified by the QA Lead. Collaborate with cross-functional teams to ensure … is reading tests in Newman. •Strong programming skills in C# & Selenium. •Experience in leading end-to-end QA lifecycle in a SaaS integration project. Desirable Skills: Familiarity with IaC testing with Pulumi. Performance and load testing experience with JMeter and Azure Load Test. Experience with application monitoring tools such as Datadog or equivalent. Experience with contract testing. Strategic More ❯

smoothly. That is where you come in. We need a skilled QA Engineer to work with our Development Team on ensuring they are just that. What you'll do: Testing Development team code and products, documenting issues into a database and assigning appropriately to the development team, seeing through to resolution. Producing high quality bug reports covering description, accurate … reproduction steps and severity. Test different phases of our software ensuring that it is release ready, filing detailed bugs as required. Work with Product Managers on testing new features and flows being released. Writing and executing test plans. Executing new and regression tests. Maintain good rapport with Developers to stay on top of any incoming changes that could affect … sponsorship. Previous experience as a QA Engineer, both with manual and automation experience. Strong knowledge of software QA methodologies, tools and processes. Experience and a strong understanding of the testing position within SCRUM/Agile continuous delivery environments. Experience with API testing. Previous experience with iOS automation testing. A methodical and analytical mindset. Excellent organisation skills and attention More ❯

things built Strong sense of MVP vs nice to have Experience planning releases, managing product roadmaps Nice to have: Exposure to competitor lending products Technical understanding (Postman, SQL tools, API testing, etc.) Ability to analyse user data and issues to drive improvements You ll be working in a fast-paced team that builds, improves and ships real software. More ❯

things built Strong sense of MVP vs “nice to have” Experience planning releases, managing product roadmaps Nice to have: Exposure to competitor lending products Technical understanding (Postman, SQL tools, API testing, etc.) Ability to analyse user data and issues to drive improvements You’ll be working in a fast-paced team that builds, improves and ships real software. More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯

maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Strong Python expertise, especially for API development and testing in cloud environments (preferably AWS). Solid experience with cloud platforms (AWS, Azure, GCP), containerization, automation, and orchestration tools. Familiar with CI/CD pipelines More ❯