1 to 25 of 66 API Testing Jobs in the UK

clients. You will bring years of experience, understanding and practical application in all levels and types of testing. You will be responsible for automated testing of Microsoft Dynamics & Power Platform solutions within our projects, as well as writing and executing manual test cases where required too. You will … number of solutions and projects with an AI capability, so knowledge and exposure to the capabilities of how it can be used to benefit testing and automated testing as well as how to carry out testing of AI solutions and the ability to integrate that into ...

maintaining critical financial platforms. The role focuses on designing robust automation frameworks, ensuring system reliability, and enabling high-quality software delivery through advanced testing practices. The ideal candidate will have strong expertise in Playwright, JavaScript/TypeScript, and API automation , along with experience testing distributed systems … work closely with engineering, product, and DevOps teams to embed quality across the entire software development lifecycle while driving improvements in test automation, performance testing, and AI-augmented testing strategies . Key Responsibilities Automation Framework Development Design, build, and maintain scalable end-to-end automation frameworks using Playwright ...

API Automation Engineer Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a skilled API Automation Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate … London. This role will be Via Umbrella. Working in a Hybrid Model of 2 days a week on site. Key Skills and Experience Rest API automation testing in Java Java library and framework: Lombok, Spring Boot Stub testing experience: yaml, wiremock or Mockito, SOAP API testing ...

validating new features, identifying issues early, and ensuring every release meets the high standards our customers expect. This role combines hands-on functional testing with opportunities to contribute to automation, regression coverage, and continuous improvement across the software delivery lifecycle. You’ll work closely with developers, product owners … other stakeholders, bringing a user-focused mindset and strong attention to detail to everything you test. What you’ll do Functional Testing & Quality Assurance Analyse requirements and user stories to design clear test scenarios and cases. Execute functional testing across applications, logging and managing defects with clear, actionable ...

Cypress Test Lead - IoT & Cloud Platform Solutions We're hiring a Test Lead to establish comprehensive testing strategies across our client's innovative tech platform. This is a permanent role offering genuine greenfield opportunities with a profitable, rapidly-scaling business serving prestigious clients including Formula One teams and government … firmware, cloud services, and web/mobile applications - serving high-profile customers who demand absolute reliability. **Tech Stack You'll Work With:** • Cypress (primary testing framework) • RESTful APIs and microservices • React front-end applications • PHP backend systems • Mobile testing tools (Appium preferred) • SmartBear suite (SwaggerHub/API ...

hours a week) offering benefits and a salary range of £35,000 - £40,000 and benefits. You will be responsible for: Executing structured manual testing of completed development work to confirm acceptance criteria. Identifying edge cases, workflow gaps, and usability issues, logging defects and collaborating with developers to resolve … documentation and maintaining traceability between development tasks and release outputs. Exploring and implementing AI-assisted tools to improve test design and documentation workflows. Conducting API testing (RESTful and SOAP) and validating data integrity as required. Working closely with development and product teams to clarify requirements and support continuous ...

Infrastructure Tester +Permanent opportunity +Hybrid working on site in London 3 days a week +£45,000 - £50,000 Skills: +Infrastructure Testing experience +UAT +AWS/Azure +Manual and automated testing experience We're looking for a Junior UAT & Infrastructure Test Analyst to support testing across business … applications and core infrastructure platforms. This is a hands-on role for someone early in their testing career who wants broad exposure, real responsibility, and a fast learning curve - not just clicking buttons and logging tickets. You'll work closely with senior testers, engineers, and business stakeholders, supporting ...

role involves defect management, collaboration with developers to resolve issues, and ensuring solutions meet business requirements through business stakeholder interaction and user acceptance testing (UAT). Additionally, the QA Analyst drives continuous improvement by adopting best practices and providing feedback to enhance product quality and testing efficiency. … Responsibilities: Stakeholder Collaboration: Collaborate with project stakeholders to validate acceptance criteria and testing requirements. Partner with business analysts and end-users to validate that the solution meets requirements. Support user acceptance testing (UAT) by preparing environments and addressing reported issues. Testing Planning and Execution: Develop and execute ...

Test Engineer to join our team. The ideal candidate will be responsible for ensuring the quality and performance of our software products through rigorous testing practises. You will work closely with developers and other stakeholders to identify and resolve issues, while contributing to the continuous improvement of our testing processes. Responsibilities: - Design, develop, and execute test plans and test cases based on project requirements. - Perform integration testing and ensure that different software modules work together seamlessly. - Conduct API testing to verify that services are functioning as expected and meet performance standards. - Collaborate with developers ...

reliability of ELI and other innovative solutions. You will work closely with developers, business analysts, and stakeholders to plan, execute, and report on testing activities across multiple projects. What you’ll be doing: As a Test Analyst you will: Collaborate with development and project teams to define testing … writing test plans, creating and running test scripts, and performing manual and automated tests. Conduct functional, regression, usability, performance, and stress testing. Perform automated API testing and work with automation frameworks for front-end and back-end. Provide clear, objective feedback and communicate findings to technical ...

Azure DevOps Engineer – Testing Introduction This is an opportunity to join a forward-thinking tech environment where quality, automation and cloud innovation go hand in hand. You’ll play a key role in shaping how complex systems are tested, deployed and scaled — all within a secure, cutting-edge Azure … salary + benefits Industry: Technology/Cloud/AI What You’ll Be Doing: Designing, building and optimising CI/CD pipelines to streamline testing and deployment workflows Implementing Infrastructure as Code using Terraform to create reliable, repeatable environments Deploying and managing secure test environments within Azure Building ...

Test Engineer (Tech stack: QA Analyst, QA, SDET, Test Engineer, Tester, Manual Tester, QA Engineer, Quality Assurance, Software Quality Assurance (SQA) Engineer, Manual Testing, Web Applications, Defect Tracking, Excel, API Testing, SQL, DevOps, Scrum) Our client is an established technology business delivering web-based software solutions. They … Application Support Specialist with strong QA experience to ensure the quality, stability, and reliability of their applications. This role is primarily focused on manual testing, defect management, and application support. You will play a key part in validating releases, identifying issues, and working closely with development teams to ensure ...

widely. You’ll work closely with developers, product managers, and designers to spot issues early and deliver seamless releases. 🚀 Help us scale confidently. Your testing and feedback will shape our ability to release faster while maintaining exceptional stability and usability. ------------------------------------ 🧭 Role Snapshot Junior/Mid QA Analyst Responsibilities Verify … application functionality against requirements/acceptance criteria. Test usability, stability, and performance across the stack including Angular-based front-ends, API-based backends, and databases. Perform root cause analysis on test failures and system issues. Help develop and maintain automated test suites. Work closely with Developers and collaborate cross ...

working in Horsham, West Sussex This role will require office attendance multiple times per week. In this software QA Tester role, you join a testing team responsible for the quality assurance and testing of the company's IT Security Software. Their platform is built on .Net technologies … looking for a software tester with a background with .NET applications and C# testing frameworks. The Software Tester role requires a professional who balances hands-on testing expertise with growing leadership and process improvement responsibilities. You will be responsible for designing and executing comprehensive test plans, leading testing ...

Devops, Postman Our client are seeking an experience Test Engineer/Test Automation professional to preside over business-wide test activities - test automation and API testing will be in amongst the main duties of the role. We are looking for a proactive Quality Assurance professional to drive higher … software standards through shift-left testing and early requirement analysis. You will plan, design, carry out tests in alignment and conjunction with existing technical and business teams and be the champion of Quality and seamless UAT throughout the business. Key Tools Selenium, Cypress, Playwright, Postman, Azure DevOps Test Plans ...

Devops, Postman Our client are seeking an experience Test Engineer/Test Automation professional to preside over business-wide test activities - test automation and API testing will be in amongst the main duties of the role. We are looking for a proactive Quality Assurance professional to drive higher … software standards through shift-left testing and early requirement analysis. You will plan, design, carry out tests in alignment and conjunction with existing technical and business teams and be the champion of Quality and seamless UAT throughout the business. Key Tools Selenium, Cypress, Playwright, Postman, Azure DevOps Test Plans ...

days per week in Birmingham) Clearance Must be eligible for SC Clearance We are looking for an experienced SDET Contractor to lead the testing lifecycle for Safetibase updates, with a specific focus on AIMS validation and VisHub integration. The successful candidate will be responsible for transitioning testing processes … Safetibase updates, prior experience with the "Safetibase" tool itself is not a mandatory prerequisite. Key Responsibilities & Scope Test Strategy & Execution: Plan and execute comprehensive testing across all layers: Unit, Integration, Performance, Security, UAT, Concurrency, Regression, Accessibility, and Monitoring. Automation Framework Development: Build, set up, and organize a scalable automation ...

business who requires a Senior automation test engineer to assist in a business-critical projects. This person will design, build and maintain automated testing frameworks in C# using playwright and selenium , Api testing using Restsharp and running test suites in Azure Devops . Must Have: Extensive automation … experience in C# using Playwright and Selenium C# API testing experience using RestSharp Strong experience with NUnit Experience running test suites in Azure DevOps Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built ...

looking for experienced manual Test Analysts with experience with Azure as a key part of the role as it will involve hands on testing of Azure Integration Services, particularly within cloud migration and integration projects. There is also significant API testing, so strong experience using tools such … against the current pack for systems undergoing upgrades. Hands on automation experience is highly desirable, although not essential for candidates with strong integration and API testing backgrounds. If you'd like to hear more please apply below to Sam Miller at SR2 - Socially Responsible Recruitment ...

Model View Template (MVT) and Model View Controller (MVC). Ensure security and compliance through PKI and OIDC with OAuth 2.0 implementation. Automation: Unit Testing, API Testing and drive automation coverage through TDD Qualifications: At least 5+ years of experience in software development, with a focus ...

Hybrid Technical Architect (API Automation) | Oil & Gas Industry We are seeking a seasoned Hybrid Technical Architect, to work in London 3 days a week, paying £500 to £520 per day (inside IR35) for an 11-month contract. The ideal candidate must have specialised focus on API Automation … lead our quality engineering efforts. In this role, you wont just be testing; youll be designing the blueprints for robust automation frameworks that support critical infrastructure within the Oil & Gas sector. You will bridge the gap between development and operations, ensuring our API ecosystem is scalable, secure ...

Model View Template (MVT) and Model View Controller (MVC). Ensure security and compliance through PKI and OIDC with OAuth 2.0 implementation. Automation: Unit Testing, API Testing and drive automation coverage through TDD Qualifications: At least 5+ years of experience in software development, with a focus ...

Quality Assurance Engineer Key skills : Software testing, Postman, REST API Experience : 3–7+ years Location :Telford, UK Job Type: Contract We at Coforge are seeking “ Quality Assurance Engineer (QA) ” with the following skill-set: About the Role We are looking for a skilled Quality Assurance (QA) Engineer … ensure the delivery of high‐quality software solutions through systematic testing, defect identification, and process improvement. The ideal candidate should have strong analytical skills, hands‐on experience with manual and/or automation testing, and the ability to work collaboratively in an Agile environment. Key Responsibilities Testing ...

standards, async patterns, clean architecture Frameworks – Vue/Nuxt (or React/Next.js), component-based development State management – Vuex, Pinia, or equivalent patterns API integration – REST/JSON, error handling, loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit and component testing (Jest, Vitest, Testing Library, Cypress/Playwright) Version control – Git workflows, PR reviews, and collaboration Back-end Experience with some of the following, or a strong willingness to learn: Node.js – building scalable, maintainable services APIs – RESTful design (GraphQL a plus), authentication, validation, rate ...

Remuneration: Daily rate from £650 to £700 (via Umbrella) Contract Details: Fixed Term Contract, 12 months (likely extensions) Responsibilities: Drive end-to-end automated testing, focusing on both functional and performance automation. Conduct thorough performance testing to ensure applications are reliable, scalable, and stable. Execute API-based … testing across a range of data and AI services. Collaborate with developers, data teams, and product stakeholders in an agile environment. Support testing for AI-powered features and services, including LLM-based workflows. Contribute to continuous improvement of automation frameworks and QA practices. Ensure high-quality delivery ...