76 to 100 of 162 API Testing Jobs in the UK

Senior QA Automation Engineer - AI

Location
Greater London, England, United Kingdom
pioneering a new role focused exclusively on quality assurance for GenAI/Agentic systems. As our Senior SDET for AI, you'll develop testing strategies, evaluation frameworks, and quality metrics specifically designed for LLM-powered applications. This role requires a unique blend of QA expertise, understanding of GenAI behaviour … quality metrics designed specifically for LLM-powered applications and agentic workflows. Develop robust, end-to-end automated test suites in Python across evaluations, API checks, UI checks, and performance tests. Create automated prompt testing systems and regression suites to proactively detect unintended changes in model behaviour. Establish multi ...

Test Automation Manager (Airline Domain & AI)

Location
City of Westminster, England, United Kingdom
promote faster business and technology change, as well as a better customer experience. Test Strategy & Automation Design, build, and maintain scalable automation frameworks across API, UI, and mobile layers of airline applications. Own end-to-end Test Strategy, test planning, test design & execution, and defect triage across functional, regression … integration cycles. Integrate automation suites into CI/CD pipelines for continuous testing and fast release feedback. AI-First QA & Validation Use AI Test Generation Tools to auto-generate, prioritize, and maintain test cases/scripts from requirements and production logs, reducing manual authoring effort. Apply AI Assurance practices ...

Software QA Engineer

Location
United Kingdom
fast-paced agile development team. You will drive quality across both internal products and client-facing applications. If you are strong in functional testing and eager to level up in automation, DevOps, and modern testing workflows, this is the place for you. What You’ll Do Automate & Test … Build and maintain E2E test suites using JavaScript or C# . Drive Quality: Perform functional, exploratory, and performance testing on UI, RESTful APIs, and databases. Bridge the Gaps: Collaborate with developers and product teams to define acceptance criteria, test plans, and robust system architecture. Modernize Workflows: Leverage modern testing ...

Senior QA Engineer

Location
Watford, England, United Kingdom
quality assurance for Cards, Payments and Wallet platforms., including payment enablement. Define risk-based test strategies, planning and provide clear quality assessments. Lead testing of payment gateways, PSP integrations and digital wallets. Perform API, backend and transaction validation testing. Investigate defects, analyse transaction data and support root cause … help shape the future of payments at Allwyn, we'd love to hear from you. What experience we're looking for Proven experience testing end-to-end card payment journeys, payment gateways and third-party payment integrations. Proven experience testing Worldpay or comparable payment service provider (PSP) platforms ...

SC Cleared QA SDET

Location
City Of London, England, United Kingdom
client and the role, the selected candidate MUST HAVE ACTIVE SC Clearance The ideal candidate will have strong experience with Provar Automation Testing Key Responsibilities Test Automation Development Design, build, and maintain Provar automation test scripts for Salesforce applications and integrations. Develop scalable and reusable testing frameworks using … Provar best practices. Automate regression, functional, and end-to-end tests to improve testing efficiency. Test Planning & Execution Review requirements, user stories, and acceptance criteria to identify test scenarios. Execute automated and manual tests where required to ensure high-quality releases. Perform debugging, root cause analysis, and defect reporting ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35 (Negotiable rate)
client and the role, the selected candidate MUST HAVE ACTIVE SC Clearance*** The ideal candidate will have strong experience with Provar Automation Testing Key Responsibilities Test Automation Development Design, build, and maintain Provar automation test scripts for Salesforce applications and integrations. Develop scalable and reusable testing frameworks using … Provar best practices. Automate regression, functional, and end-to-end tests to improve testing efficiency. Test Planning & Execution Review requirements, user stories, and acceptance criteria to identify test scenarios. Execute automated and manual tests where required to ensure high-quality releases. Perform debugging, root cause analysis, and defect reporting ...

Test Analyst / Automation Test Analyst

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35 via Umbrella
large-scale transformation projects. You will work within Agile teams alongside Developers, BAs, and Product Owners to design, execute, and maintain automated and manual testing solutions. Key Responsibilities Test Delivery: Design and execute functional, integration, regression, and E2E test cases. Automation: Build and maintain scalable automated test frameworks. Agile … compliance standards. Key Requirements & Tech Stack Experience: Proven track record in QA/Automation roles within large-scale Agile (Scrum/SAFe) environments. Testing Tools: Jira, Confluence, Azure DevOps, Postman (API testing). Automation (Desirable): Playwright, Cypress, or Selenium. Technical (Desirable): SQL, Git, CI/CD pipelines ...

Lead Quality Engineer

Location
Greater London, England, United Kingdom
functional requirements. Operating at a strategic level, you’ll mentor engineers, build strong relationships with senior stakeholders, and influence the adoption of forward-thinking testing practices (such as AI-assisted testing) across our entire QA practice. Key aspects of the role include: Squad Leadership & Strategy: Partnering with cross … with accountability for quality outcomes, metrics, and supporting the ongoing growth and wellbeing of your team. Strategic & Commercial Influence: Applying commercial awareness to prioritise testing efforts, advising stakeholders on trade-offs, and driving continuous innovation through emerging practices. What you'll bring Proven strategic leadership experience guiding multi-squad ...

Test Engineer

Hiring Organisation
Sage
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
responsibility of the role will initially be to test a new Embedded Payroll Service, specifically the UI part of the product utilising the API's connected to the backend services. Working closely with UX design colleagues and other Business Analysts before moving onto the delivery of the overall product … complete stories, with concise designs and acceptance criteria ready for delivery by the engineering team. • Maintain relevant documentation to describe logic, coding/configuration, testing and changes where applicable. • Contribute to the continuous improvement of our software development lifecycle. • Be an active and enthusiastic team player. Partner effectively with ...

Automation Engineer

Location
Metropolitan Borough of Solihull, England, United Kingdom
looking for a frontend Automation Engineer to join our Quality Engineering (QE) team for our Mobile apps, helping us build and scale automated testing for our iOS and Android apps. You'll add to and maintain the automation framework that catch issues before customers ever see them, working closely … spotting edge cases. Good communication skills and comfort collaborating across engineering, QE, and product functions. Preferred Skills: Meaningful hands-on experience automating and testing native mobile applications (iOS and/or Android). Understanding of mobile app architecture and the unique challenges of testing on real devices vs. ...

CONTRACT AI ENGINEER - INSIDE IR35

Hiring Organisation
Searchability (UK) Ltd
Location
North West, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £800 per day
Agents and agentic AI solutions Building and enhancing Retrieval-Augmented Generation (RAG) solutions Writing, developing and optimising prompts for LLM applications Developing and testing APIs to integrate AI services and enterprise systems Building AI engineering solutions using Python and SQL Testing and evaluating AI/LLM outputs … building AI Agents/agentic AI solutions Strong commercial RAG and LLM experience Excellent prompt writing and prompt engineering skills Experience developing, integrating and testing APIs Strong Python and SQL skills Experience delivering AI solutions within large-scale enterprise environments Experience taking AI/LLM solutions beyond proof ...

QA Test Analyst

Location
Eastbourne, England, United Kingdom
retros, and planning sessions. Provide honest, constructive feedback to developers, designers, and PMs - you’re not just finding bugs, you’re improving outcomes. Share testing progress through daily or weekly reports, and flag risks early to keep everyone aligned. Support junior testers by reviewing test cases, pairing … helping them grow their confidence and skills. Keep up with the latest tools and approaches - whether that’s investing time in automation, exploring load testing, or improving your test documentation. Every project is different. One week you might be testing a high-traffic e-commerce site, the next ...

Principal AI Quality Engineer

Hiring Organisation
Fourth
Location
London, UK
Employment Type
Full-time
continuously evolve Fourth's AI-driven global QA strategy and roadmap, aligned with the Product and Technology roadmaps, to shape the strategic testing needs of the business. Establish the QA tools, frameworks, standards, and ways of working across our global engineering organisation to achieve our technology goals. Drive … unification and continuous improvement of testing processes and practices across delivery teams, partnering directly with Software Engineering Managers and Product Managers. Act as the principal point of escalation for complex testing and quality challenges across global Engineering teams, marshalling subject matter expertise to resolve them. Champion modern testing ...

Junior Software Engineer (with SRE Influences)

Location
Greater London, England, United Kingdom
user‐friendly yet enterprise‐grade solution. About the Role As a Junior Software Engineer , you will play a key role in the development, testing, and reliability of Fogsphere’s AI platform . This role blends software engineering with elements of site reliability engineering (SRE) — giving you exposure not only … Software, QA, and SRE Engineers to identify, reproduce, and document bugs and performance issues. Participate in code reviews and contribute to improving code quality, testing coverage, and deployment stability . Learn and apply DevOps and SRE principles — observability, monitoring, and automated recovery. Explore infrastructure-as-code , containerization (Docker, Kubernetes ...

Senior Consultant – Offensive Cyber Security

Location
Greater London, England, United Kingdom
join our team. Working alongside our experienced team of specialists, you’ll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments and more to high profile clients across all industries. The purpose of this role is to deliver our offensive security services … including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries. You’ll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue to develop ...

QA Engineer

Location
Esher, England, United Kingdom
experience working as a QA Engineer. Ability to design a full test framework and test suite structure from scratch. Proven experience in manual testing, including planning, designing, writing, and executing test cases and test scripts. Experience with API testing tools such as Postman, Swagger, Apache JMeter, SoapUI ...

QA Engineer

Location
Manchester, England, United Kingdom
ship - and in healthcare, that actually matters. We're looking for someone who can do both things well: the rigour of proper QA - regression testing, UAT, documentation, knowing when to dig in by hand - and the newer stuff. Testing AI-powered systems, using AI tooling to supercharge your … culture from scratch - frameworks, standards, the lot. Greenfield, no legacy debt to wrestle with. On the technical side: Playwright for automated front-end testing, Postman for API testing across our core platforms, and a modern serverless stack in Node.js, TypeScript, SvelteKit and GCP. You'll also ...

QA Engineer (Remote)

Location
Cambourne, England, United Kingdom
Engineer As a QA Engineer, you’ll be responsible for: Establish QA foundations: Design and implement a comprehensive QA strategy, including the development of testing frameworks and methodologies tailored to the client's needs. Automate testing processes: Develop and maintain automated test scripts and methodologies to enhance testing … Champion a culture of quality: Raise the quality bar within the team, fostering a proactive approach to bug identification and resolution. Drive documentation: Document testing processes, procedures, and best practices for future reference and team training. What do we value: ● Experience: +3 years of experience in QA engineering, working ...

Senior Test Engineer

Location
United Kingdom
fast-paced, agile delivery teams. Working on one of our in flight projects, you will play a key role to ensure continuous automated testing is implemented, early and often, as a part of a CI/CD lifecycle. Testing at IIG consists of a wide range of responsibilities … tasks you may be asked to undertake; Develop and maintain automated test solutions using Java, Selenium WebDriverand a range of open-source testing tools and frameworks. Design, build, and execute automatedUI and API test frameworks to support quality assurance across complex digital delivery programmes. Perform testing withinAWS ...

QA Automation Engineer - Cloud ERP | Selenium & .NET Pro

Location
Greater London, England, United Kingdom
development team. You will design test plans, automate tests and ensure high quality across web applications. Interact with Business Analysts and Developers to define testing scope; automate tests in CI and maintain testing documentation for traceability. Requirements include 3+ years of hands-on automation testing of web applications, API testing, and experience with Selenium on .NET using C#. #J-18808-Ljbffr ...

Quality Assurance Analyst

Location
Newport, Wales, United Kingdom
experience Essential skills and experience Demonstrable experience of defining or breaking down user stories and acceptance criteria using test design techniques, thereby statically testing the solution at the time. Demonstrable experience of helping developers in generating comprehensive unit tests and pair with them as appropriate. Focus on understanding what … experience of Test Automation in an Agile environment, including setting up and using frameworks which include Specflow/Cucumber and Selenium. Proven experience in API testing within Agile sprints. Proven experience of accessibility testing within sprints and presenting findings back to the team. Proven experience of performance ...

Customs and Freight Test Analyst

Hiring Organisation
Divalentinecalver Recruitment Ltd
Location
Ashford, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£40,000
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 ...

ENGINEER CONSULTANT

Location
Greater London, England, United Kingdom
Reply’s services include Consulting, System Integration, and Digital Services. Role Overview: We are seeking an Engineer Consultant with a strong foundation in software testing, automation, Azure engineering, and Microsoft cloud delivery. The ideal candidate will be technically curious, quality-focused, and capable of contributing to both engineering delivery … customer adoption activities. The role will focus on cloud engineering across Microsoft Azure and Microsoft 365, combining hands‐on technical delivery with strong testing, automation, DevOps, and customer‐facing consulting skills. The successful candidate will contribute to the design, development, validation, deployment, and support of Azure-based solutions, ensuring ...

Software Development Engineer in Test Engineering · Cardiff, London ·

Location
Cardiff, Wales, United Kingdom
into our CI/CD pipelines to ensure continuous quality and fast feedback loops. Using AI (Claude and Github Copilot) to implement efficiently. Performing API, performance, and cross-browser automation testing to guarantee ecosystem stability. Participating in agile ceremonies, sprint planning, and tech spike discussions to keep … languages such as JavaScript/TypeScript, or Python. Hands-on experience with modern automation frameworks (e.g., Cypress, Playwright, or Selenium). Solid experience with API testing tools and libraries (e.g., Postman, REST Assured, Supertest). Familiarity with CI/CD tools (e.g., GitHub Actions, CircleCI, Jenkins) and security ...

Senior Quality Engineer - Automation & CI/CD Leader

Location
Skipton, England, United Kingdom
Skipton Building Society in Skipton, England, is seeking a Senior Quality Engineer to embed quality across the software delivery lifecycle. You’ll champion automation, API testing, non-functional testing, and observability while guiding teams to raise testing standards and release confidence. You’ll lead the design … maintenance of scalable test automation frameworks (Playwright, Selenium, Appium) applied to web, mobile, API, and Core Banking platforms, with strong mentoring and collaboration #J-18808-Ljbffr ...