1 to 25 of 152 Permanent API Testing Jobs in the UK

global leader in environmental commodity markets. We are backed by Blackstone and other leading investors. Position Summary Seeking a QA AI Engineer to perform testing and quality assurance for systems, applications, and AI-enabled products developed by Xpansiv. This role is responsible for ensuring the quality, reliability, accuracy … loop assurance required by Xpansiv’s AI governance standards. Key Responsibilities Create test plans for AI-powered and traditional software applications, including manual testing, automated testing, performance testing, regression testing, security testing, and end-to-end testing Formulate and document test cases based ...

share knowledge across the wider Engineering department. Test Automation & Execution Automation Frameworks: Develop, maintain, and execute automated test scripts for web, mobile, and API environments. Scripting & Tooling: Write clean scripts in standard languages (Java, JavaScript) to automate repetitive tasks and enhance testing efficiency API Testing: Perform … isolated API testing using Postman or similar tools based on RESTful API principles and JSON/XML data formats. Cross-Browser & Device Testing: Ensure seamless performance across a broad array of browsers and mobile devices. Test Case Design & Methodologies: Design comprehensive test cases based on requirements ...

committed to building inclusive, diverse teams that reflect the communities we serve. Overview We are seeking an experienced Senior Quality Assurance Tester to lead testing strategy and execution for a Generative AI platform for a UK government department. This role goes beyond traditional functional QA. It includes evaluating … output quality (answer accuracy, retrieval relevance, hallucination rate) alongside conventional API, integration and non-functional testing. Key Responsibilities Define and own the test strategy across functional, non-functional and AI-specific quality dimensions (answer quality, retrieval accuracy, hallucination rate), covering RAG pipelines, prompt templates and Agentic workflows. AI Output ...

week in the office Security clearance: SC eligible, no SC needed Overview We are seeking an experienced Senior Quality Assurance Tester to lead testing strategy and execution for a Generative AI platform for a UK government department. This role goes beyond traditional functional QA. It includes evaluating AI output … quality (answer accuracy, retrieval relevance, hallucination rate) alongside conventional API, integration and non-functional testing. Key Responsibilities Test Strategy & Planning Define and own the test strategy across functional, non-functional and AI-specific quality dimensions (answer quality, retrieval accuracy, hallucination rate), covering RAG pipelines, prompt templates and agentic workflows. ...

performance, resilience and long-term maintainability in mind. Architecture & Technical Leadership Lead technical design discussions and contribute to strategic architectural decisions. Define service boundaries, API contracts, integration patterns and data flows. Promote modern software architecture principles, including modular design and domain-driven approaches. Work closely with Architecture teams … long-term roadmaps. Identify technical risks and recommend appropriate mitigation strategies. Influence the future direction of digital products and engineering practices. Engineering Quality & Testing Champion a quality-first engineering culture. Define and implement testing strategies across applications and services. Promote Test-Driven Development (TDD) and automation-first approaches. ...

Title**: Senior Test Automation Engineer (Kafka and API Testing)**Location**: London**About the Job you are considering:**We are seeking a highly skilled Quality Automation Engineer to design build and maintain automated testing solutions that validate platform behavior across APIs event driven architecture’s identity and access … user journeys. This is a handson engineering role embedded within an Agile delivery team with responsibility for driving quality through automation shiftleft testing and continuous integration practices.**Hybrid working**:The places that you work from day to day will vary according to your role, your needs, and those ...

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 … 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 ...

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 … 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 ...

Department: Systems Development PURPOSE OF JOB: Bytes Software Services is seeking an experienced and motivated QA Automation Engineer with a strong foundation in manual testing and a passion for delivering high-quality software through automation. This role is primarily focused on designing, developing, and maintaining automated testing solutions … using Playwright with experience of TypeScript or JavaScript or similar modern frameworks such as Cypress, whilst applying good manual testing skills across web applications, APIs, and backend systems where required. Working closely with Developers, Product Owners, Business Analysts, and DevOps teams, you will play a key role in embedding ...

within a collaborative and multidisciplinary environment. The role will focus primarily on test automation, while also requiring hands-on participation in manual and functional testing activities. The ideal candidate combines strong automation engineering expertise with solid QA fundamentals, the ability to design and maintain testing frameworks, and practical … experience leveraging AI-assisted tools to improve testing efficiency and software quality. This position requires close collaboration with software engineers and QA peers throughout the development lifecycle, contributing to test strategy, automation coverage, defect prevention, and a shared ownership culture for product quality. You’ll be doing: Design, develop ...

analysts, developers, stakeholders, and third-party suppliers to deliver a seamless customer experience. If you thrive in fast-paced environments and enjoy owning the testing lifecycle from planning through to release, we'd love to hear from you. Whats in it for you? Work on a large-scale website … digital transformation programme Take ownership of end-to-end testing activities with real business impact Collaborate with cross-functional teams, business stakeholders and delivery partners Exposure to modern CMS technologies, accessibility testing and digital best practices Opportunity to influence quality processes and user experience outcomes Join a supportive ...

Help Qepos build reliable EPOS, web and business software by designing strong automated testing coverage across real customer workflows. The Automation Tester will be responsible for designing, developing and maintaining automated testing solutions for the company's EPOS software and associated applications. The role will help ensure that … improve test coverage and support the controlled release of reliable software to customers. Main Responsibilities Design, develop and maintain automated test scripts and reusable testing frameworks for QEPOS's EPOS software, web applications and related systems. Automate functional, regression, integration, system and end-to-end testing across relevant ...

Tester to join our development team and help us deliver high-quality healthcare services both offline and online. The successful candidate will assist with testing our clinical software applications, including web and mobile systems, to ensure they are safe, reliable and effective. The role involves identifying and documenting software … defects, carrying out a range of testing activities, and working closely with our development and clinical teams to support the delivery and continuous improvement of our digital healthcare services. Main duties of the job Undertake duties as directed by management to support the delivery and implementation of projects, with ...

Senior Quality Engineer to help shape how we build quality into everything we deliver. If you're passionate about modern engineering practices, automation, API testing, non-functional testing, and embedding quality throughout the software delivery lifecycle, this is an opportunity to make a real impact across … software. As a senior member of the Quality Engineering community, you'll also provide technical leadership, mentoring, and guidance to colleagues, helping to shape testing strategies, grow engineering capability, and drive continuous improvement across our products and platforms, tooling, and ways of working. At Skipton, we're founded ...

Senior Quality Engineer to help shape how we build quality into everything we deliver. If you're passionate about modern engineering practices, automation, API testing, non-functional testing, and embedding quality throughout the software delivery lifecycle, this is an opportunity to make a real impact across … scalable software.As a senior member of the Quality Engineering community, you'll also provide technical leadership, mentoring, and guidance to colleagues, helping to shape testing strategies, grow engineering capability, and drive continuous improvement across our products and platforms, tooling, and ways of working.At Skipton, we're founded on fairness. ...

looking for an experienced and motivated Software Quality Assurance Lead responsible for defining and maintaining the organisation’s approach to software testing as we move into our next exciting period of growth. As a key member of our Quality Assurance team, you would be responsible for ensuring that appropriate … testing practices, tools, and processes are in place to support the reliability and robustness requirements of our satellite software technologies. This role will provide technical leadership for all testing activities, working closely with Product Engineering and Solutions Engineering to integrate quality considerations throughout the software lifecycle. In addition ...

enthusiastic security consultant to join our team. Working alongside some of the best hacking minds in the country, you will be delivering pen testing services to a diverse range of clients, from presales through to delivery and debriefs. We are looking for a consultant with a minimum … years’ experience in pen testing who can deliver the following: Web application testing API testing External & Internal Infrastructure testing (including build reviews) Mobile application testing (including knowledge of standards such as OWASP MASVS) Experience testing in any of the following areas is also ...

understand and align with Solirius Reply Values The Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will … involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience in performance testing, will ...

functional). The ideal candidate brings a test engineering mindset, promotes shift-left practices, drives automation adoption (including Playwright), and enhances quality through continuous testing and robust test governance. Key Responsibilities Define and own the end-to-end test strategy for Duck Creek or Guidewire upgrade programmes, aligned with … release plans, and business objectives. Lead test planning, estimation, and scheduling across distributed teams and workstreams to ensure timely delivery. Implement a risk-based testing approach; maintain a dynamic test risk register and ensure timely mitigation. Design and implement the automation strategy across UI and API layers, including ...

Senior Offensive Security Engineer (Autonomous testing) Location: Hybrid/Redheughs Rigg, Edinburgh EH12 9DQ, UK job type: Permanent/Full-time Sector and subsector: IT | Cybersecurity Salary: Negotiable salary At Quorum Cyber, we're on a mission to help good people win.Founded in Edinburgh … innovative thinking, curiosity, and existing deep technical expertise to help Quorum Cyber close the distance between AI speed and efficiency, and human insight. Penetration testing, API and web application testing, and red teaming are delivered the traditional way: a skilled human, a scope document, a fixed number ...

detail, and close collaboration with your engineering partners and QA peers. This role requires a strong understanding of functional, integration, system, and automated testing within a distributed SaaS environment. The ideal candidate is curious, technically capable, detail-oriented, and interested in leveraging modern AI-assisted tools and workflows … test coverage, and team efficiency. TECHNICAL ENVIRONMENT & SCOPE Test distributed SaaS platform components across cloud-hosted and client-installed environments. Perform end-to-end testing across web applications, backend services, APIs, databases, and device integrations. Test client-side or on-premise applications, including installation, configuration, upgrade paths, service validation ...

# Test Manager - Active SC (DV Clearance Required)LondonApply for this job* Permanent* Experienced Professionals* Quality Engineering & Testing* ID 526656-en\\_GB## **Job Information*** **Location:** London – 3 days onsite, 2 days remote* **Clearance:** Active SC Clearance (issued within the last 5 years) with willingness and eligibility to undergo … Clearance (Mandatory)## **Role Overview**We are looking for an experienced **Test Manager** to lead the end-to-end testing strategy, governance, and delivery for a complex enterprise programme. The successful candidate will be responsible for ensuring quality across functional, integration, automation, performance, and operational acceptance testing while ...

Role purpose Deliver high-quality testing for identity processing and provisioning across the identity lifecycle (joiner/mover/leaver). You'll validate that identities, accounts, and entitlements are provisioned and removed accurately, securely, and in line with control expectations. Key responsibilities Execute functional, integration, and regression testing … LDAP), and target applications. Validate provisioning outcomes: account creation/updates, entitlement assignment/removal, approvals, and de-provisioning. Perform negative and exception-path testing (failed connectors, retries, reconciliation, manual overrides). Validate identity data mapping and transformations (attributes, rules, and role logic such as birthright access). Prepare ...

Skills: Postgres, Cassandra, Elasticsearch, Asynchronous messaging services (e.g. Kafka, RabbitMQ etc), Cucumber/Godog or other BDD tools, Kubernetes, Docker, Rest Assured, Other REST API testing tools, Wire mock/Mountebank or other HTTP stubbing tools, Continuous integration (CI), continuous deployment (CD) and continuous testing (CT), Tools … Work Mode: Full Time Job Status: Open Follow Us On: We are looking for experienced QA professional with 5-9 years' expertise in diverse testing methodologies, automation, Agile environments, database proficiency, and CI/CD tools for efficient quality assurance as a Quality Engineer. Required: 5-9 years ...

looking to make an impact at a global leader at the forefront of technological innovation? We are seeking an experienced professional to lead automation testing efforts, with a particular focus on backend and API testing, to join our dynamic team in London. About The Role … Quality Engineer, you will play a key role in enhancing our testing frameworks and processes. Your expertise in mobile automation—especially for iOS platforms—will help ensure the delivery of high-quality solutions that make a real difference worldwide. This hybrid role (office in central London) offers flexibility, combining ...