226 to 250 of 364 API Testing Jobs in the UK

access a customer’s BigQuery instance in order to create a materialized view. What You’ll Need Technical Expertise Comfortable working with APIs (REST, GraphQL). Able to interpret API documentation, authenticate requests, issue API calls, and process/store resulting payloads. Familiarity with tools like Postman for API testing is a plus. Experience deploying and More ❯

mobile applications. Strong analytical, problem-solving, and data-driven decision-making skills. Experience with identity solutions (OAuth, OpenID Connect, SAML, security tokens) and cryptographic knowledge. Familiarity with scripting for API testing tools like Postman. Knowledge of Design Thinking, Jira Align, project management principles, and Agile methodologies. Hands-on experience in product roadmaps, user stories, backlog grooming, and requirement 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 ❯

digital platform. They’re looking for a Contract QA Automation Engineer to drive quality across a fast-moving engineering function, covering the entire stack — from Java microservices to UI testing , all built on AWS-native services . Java , Spring Boot AWS – Lambda, EventBridge, SQS, Kinesis Streams, Data Analytics, API Gateway RESTful API testing frameworks Exposure to … TypeScript (UI/service-level test scripting) What you’ll bring: Hands-on experience building and maintaining automated test suites Strong background testing Java services , APIs, and cloud-based workflows Familiarity with AWS serverless and event-driven architectures Able to work independently in agile delivery teams, embedding automation into CI/CD pipelines #J-18808-Ljbffr More ❯

digital platform. They’re looking for a Contract QA Automation Engineer to drive quality across a fast-moving engineering function, covering the entire stack — from Java microservices to UI testing , all built on AWS-native services . Java , Spring Boot AWS – Lambda, EventBridge, SQS, Kinesis Streams, Data Analytics, API Gateway RESTful API testing frameworks Exposure to … TypeScript (UI/service-level test scripting) What you’ll bring: Hands-on experience building and maintaining automated test suites Strong background testing Java services , APIs, and cloud-based workflows Familiarity with AWS serverless and event-driven architectures Able to work independently in agile delivery teams, embedding automation into CI/CD pipelines #J-18808-Ljbffr 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 ❯

Hybrid (at least 2-3 days/week) Qualifications: Education: Bachelor's degree in computer science, Information Technology, or related field Experience: Minimum 12+ years of experience in software testing, with at least 6 years as a Test Manager role within the banking or financial services domain Certifications: ISTQB or equivalent testing certification is a plus Job Description … Test Manager with 12+ years of software testing experience, specifically in Payments domain and systems within the banking sector. Strong expertise in SWIFT messaging, PCI DSS, Bottomline, BACS, CHAPS, FPS, CHIPS and the UK payment protocols. Experience in MT to MX conversion (ISO 20022) Testing. Test planning, Test Strategy preparation, Defect management, Stakeholder management and Functional, NFR test co … ordination. Proven leadership experience in managing testing teams focused on Functional, Integration, and NFR Testing. Good communication skills and good stakeholder management skills. Experience with automated testing tools (e.g., Selenium), API Testing tool (Postman/Rest Assured). Understanding of banking applications and financial regulations. More ❯

division and continue to grow their dev team. This role will be working on critical applications and involve implementing genuine quality within the development team with manual and automation testing and quality coaching. Technically they are looking for strong E2E test automation skills working in C# for API testing and for Typescript/JavaScript for UI work … What's required Strong experience in C# backend testing Some exposure to UI automation tools e.g - Protractor, jasmine, Cypress, Playwright Previous experience working in a financial services or regulated environment What's on offer Hybrid working in central London office Chance to join Strong base salary of up to 110K Trading bonus and good benefits package More ❯

division and continue to grow their dev team. This role will be working on critical applications and involve implementing genuine quality within the development team with manual and automation testing and quality coaching. Technically they are looking for strong E2E test automation skills working in C# for API testing and for Typescript/JavaScript for UI work … What's required Strong experience in C# backend testing Some exposure to UI automation tools e.g - Protractor, jasmine, Cypress, Playwright Previous experience working in a financial services or regulated environment What's on offer Hybrid working in central London office Chance to join Strong base salary of up to 110K Trading bonus and good benefits package 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 ❯

/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 ❯

/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 ❯

and log results in agile test planning tools like qTest, TestRail, or similar platforms. Perform a variety of tests, such as Smoke/Sanity, Functional/Non-Functional, Regression, API, Database, and Performance Testing, in accordance with established test plans or strategies. Investigate and oversee application logs to identify issues along with managing defects meticulously using tools such … quality champion for your area of functional expertise. Support the deployment of all product releases, fix packs, hot fixes, and provide troubleshooting for client issues. Ensure consistent communication of testing milestones and progress by delivering regular and precise updates in a timely manner. Maintain a positive and professional demeanor, demonstrating a strong commitment to achieving organizational goals through dedicated … work ethic. Guide and educate junior QA engineers or trainees on quality assurance practices and product knowledge. Required Skills & Experience : 2-3 years of Quality Assurance experience in testing for Web and Mobile Applications, as well as Web Services, ideally within a SaaS framework. A proven track record in testing GUI and functional user workflows, going beyond basic 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 ❯

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 ❯

translating them into effective outcomes. You 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 be 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 not be considered for this role. Requirements Key Responsibilities: Working on a variety of performance … testing projects covering API, Front End, and UI based performance testing Gathering performance test requirements through project and client engagement meetings and reviewing NFRs Developing performance test scripts Executing and reporting on performance tests to technical and business stakeholders Highlighting any performance test failures against NFRs Performance testing against Azure infrastructure Carrying out performance test analysis More ❯

our AI functionalities What We Look For Essential Technical Skills: Frontend Development: Advanced expertise with React (18+) and TypeScript Deep knowledge of Next.js (14+) and its features (SSR, ISR, API routes) Experience with Mantine UI framework or similar component libraries Proficiency with CSS-in-JS solutions like Vanilla Extract Strong understanding of data visualisation using libraries like Visx and … Recharts Knowledge of Zod for runtime type validation Backend Development: Strong Node.js experience Experience with tRPC for type-safe API development Database expertise with PostgreSQL and SQL query builders (Kysely) Knowledge of authentication systems (NextAuth) Full-Stack Capabilities: Type-safe development across the entire stack API design and implementation Performance optimisation techniques State management using React Query Testing & Quality: Comprehensive testing strategies with Jest and Playwright Experience with mock service workers (MSW) for API testing DevOps & Deployment: CI/CD pipeline configuration and optimisation Environment management and deployment strategies Experience with package managers like pnpm Essential Soft Skills: Strong communication skills with the ability to explain complex technical concepts clearly Problem-solving capabilities and More ❯

undergo checks including identity, nationality or immigration status, employment history for the past 3 years, and a criminal record check (Disclosure and Barring Service). Your role Perform IoT testing, ensuring device connectivity and security. Our inclusive environment We promote diversity and inclusion, supporting networks like Women in Engineering to foster a welcoming environment for everyone. Your skills and … experience • 5-8 years experience in QA testing for embedded and IoT products. • Understanding of embedded systems, IoT protocols (MQTT, CoAP, HTTP), and cloud integration. • Experience testing hardware, firmware, and IoT device performance. • Verification of communication protocols (Wi-Fi, Zigbee, Bluetooth) and network coverage. • Ensuring secure authentication, data encryption, and conducting penetration tests. • Security testing, data privacy … and vulnerability assessments. • Data integrity, synchronization, and handling big data in IoT systems. • Knowledge of scripting and automation for IoT testing (optional). • Familiarity with cloud platforms like AWS IoT, Azure IoT. • Experience working in agile teams, proficient in JIRA and defect management. • Manual and API testing for IoT device, software, and cloud system integration. We encourage More ❯

team of Software Development Engineers (SDEs), SDETs, SysDEs and Programmer Analysts to understand features and technical implementation, develop robust automation framework(s) that support Functional, Performance as well as API level testing/operational maintenance. They will set the standard for automation and working at scale, dive deep into technical issues, and work diligently to improve the customer … build processes Preferred qualifications: · Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations. · Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent. · Strong sense of ownership, including an ability to promote operational excellence. · Experience with AWS platforms … this role · Meets/exceeds Amazon’s functional/technical depth and complexity for this role · Deep understanding of infrastructure automation delivered through the software development lifecycle in an API-enabled environment – including agile development, software architecture/patterns, and modern cloud services. · Excellent verbal and written communication skills, strong technical communication with peers and non-technical cohorts. · Experience 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 ❯