1 to 25 of 39 API Testing Jobs in London

expanding technology platform within the local commerce sector, focused on providing innovative digital solutions for business growth and operational efficiency, is seeking an experienced API QA Engineer with a strong focus on manual API testing. Automation experience is a bonus. The platform facilitates direct customer engagement for local … analyse production issues effectively. This role requires a proactive, communicative, and well-organised individual who can manage multiple tasks efficiently and ensure high-quality testing outcomes. Responsibilities: Conduct thorough manual API testing to ensure system reliability and accuracy. Develop, update, and maintain API test cases and … test plans. Perform testing across various system components, including integrations and UI, as required. Collaborate with development, product, and other teams to define testing strategies. Investigate and analyse production issues, identifying root causes and collaborating on fixes. Investigate and report API issues, ensuring timely resolutions. Analyse API More ❯

to join our growing FinTech/EngTech crossover team. As a key member of our engineering team, you will contribute to the development and testing of innovative software solutions that support the transition to a low-carbon future. This is an exciting opportunity for individuals who thrive in a … collaborative, fast-paced environment and want to make a real impact on the way we build and deliver high-quality software. Key Responsibilities: Testing Strategy & Execution: Implement and execute comprehensive testing strategies to ensure software quality and reliability across multiple platforms. Automation & Manual Testing: Contribute to the … balance of automated and manual testing efforts, ensuring we maintain a strong focus on both efficiency and quality. Collaboration & Best Practices: Work closely with engineering teams to set quality standards, promote best practices, and ensure adherence to quality metrics throughout the software development lifecycle. Shift-Left Testing: Help More ❯

an experienced Quality Assurance Lead who is passionate about our mission and capable of supporting our rapid growth. You will be leading the Software Testing function within the Engineering team, you will lead a small team of QA testers and you will have the opportunity to ensure the Quality … of our Product by hands-on testing while leading by example. About MediShout The world's first platform aggregating all operational departments and suppliers in hospitals Staff at over 100 Hospitals reporting their operational issues using our apps or QR codes Working with global medical device companies and facilities … and experienced QA Lead to build and lead our growing QA team. This hands-on role involves leading by example in manual and automated testing (using Cypress), mentoring QA engineers, and shaping the QA function from the ground up within our dynamic startup. You will be reporting to the More ❯

London) Join a Global Tech-Driven Property Marketplace Are you an experienced QA Lead with a passion for driving quality in web and mobile testing? Join a fast-growing, innovative global technology platform that is leading the way in transforming its B2C services. Backed by substantial investment and a … offering valuable insights and feedback to improve processes and drive continuous improvement. Test Strategy Development: Design and implement robust test strategies, including functional validation, API/interface testing, cross-platform compatibility, negative test cases, and exploratory testing. Regression & Release Testing: Develop and maintain comprehensive regression test suites … ensuring product stability with each release cycle. Risk-Based Testing: Perform risk-based testing to maximise test coverage while enhancing efficiency. Automation Expertise: Create and maintain scalable test automation scripts, integrating continuous testing seamlessly within CI/CD pipelines to ensure rapid and reliable delivery. Test Suite More ❯

London) Join a Global Tech-Driven Property Marketplace Are you an experienced QA Lead with a passion for driving quality in web and mobile testing? Join a fast-growing, innovative global technology platform that is leading the way in transforming its B2C services. Backed by substantial investment and a … offering valuable insights and feedback to improve processes and drive continuous improvement. Test Strategy Development: Design and implement robust test strategies, including functional validation, API/interface testing, cross-platform compatibility, negative test cases, and exploratory testing. Regression & Release Testing: Develop and maintain comprehensive regression test suites … ensuring product stability with each release cycle. Risk-Based Testing: Perform risk-based testing to maximise test coverage while enhancing efficiency. Automation Expertise: Create and maintain scalable test automation scripts, integrating continuous testing seamlessly within CI/CD pipelines to ensure rapid and reliable delivery. Test Suite More ❯

an opportunity has arisen for an experienced IT Software Tester to join our growing team! If you have a keen eye for detail, strong testing skills, and a passion for quality assurance, this could be the perfect role for you. Key Responsibilities Design and execute manual and automated test … cases Perform functional, integration, regression , and performance testing Identify, log, and track bugs using JIRA or similar tools Collaborate with developers and stakeholders to understand requirements Use API testing tools like Postman and basic SQL for data validation Contribute to documentation and usability testing What We … re Looking For 3+ years' experience in software testing Experience with Selenium , JUnit/TestNG , or other automation tools Familiarity with TestRail , JIRA , or similar platforms Knowledge of API testing , performance testing , and SQL Strong attention to detail, communication, and problem-solving skills Nice to Have More ❯

distributed, high-performing video streaming and encoding platform. As a QA Engineer, you will be responsible for designing and executing comprehensive test plans, automating testing processes, and validating our platform's performance-with a particular focus on video streaming protocols, encoding standards, and content delivery. At bunny.net , you won … execute detailed test plans that cover all aspects of our Stream services, ensuring high-quality, reliable releases. Automation Framework Development: Build and maintain automation testing frameworks specifically tailored for streaming, integrating it into the SDLC. End-to-End Testing: Perform end-to-end testing of streaming workflows … and media subsystems (encoding, storage, ingestion, and delivery) to ensure they function flawlessly under various scenarios and loads. API and Scripting Validation: Validate APIs ensuring they perform correctly and securely across different edge locations. AI Component Integration Testing: Test the integration and optimization of AI components within the More ❯

Scrum Masters, and the QA team to ensure high-quality software delivery. The ideal candidate will have hands-on experience with SAP CBTA automation , testing strategies, and a strong analytic mindset to enhance our SAP CRM platform. Key Responsibilities: Develop and execute SAP CBTA automation scripts for comprehensive testing. … Create composite tests by stitching multiple test cases together. Utilise Test Data Containers and work with variable-driven test executions. Perform automated testing using SAP Solution Manager for test executions. Validate SAP CRM functionalities, including Provisioning Orders, Order Submissions, Fulfilment Status, and ODI steps . Collaborate with cross-border … teams to ensure seamless system integration and process validation. Core Requirements: Tools & Technologies: SAP CBTA for automation. Target System: Testing order provisioning and fulfilment workflows. Your Experience & Skills: Minimum 3 years of experience in software testing and QA automation . Strong understanding of software testing methodologies and More ❯

organizational standards and build reliable, reusable, and maintainable automated regression suites & test harnesses. Create and maintain tools and frameworks with quality code to simplify testing scenarios. Design and develop test plans, test cases based upon functional and design specifications, execute test cases, and analyze and report test results to … teams. Work in partnership with the development teams to deliver business functionality on time with required quality that meets the acceptance criteria. Use strong testing skills to provide guidance and assist project staff as appropriate. Ensure best practices are followed and testing activities stay on schedule. Focus on … building efficient solutions for Web, Services/APIs, Database, UI (Multi-browser) testing requirements. What we are looking for: 3+ years of strong experience in QA/testing. Strong in API Testing, Data Testing, and SQL queries. Strong knowledge in database, API, and software testing More ❯

Hybrid mode as per client request) Start Date: Immediate Joiners Only (Candidates with notice periods will not be considered) Must-Have Skills: Selenium Appium API Testing Strong understanding of QA processes and methodologies Experience with BDD/TDD and continuous improvement strategies Nice-to-Have Skills: Kafka Jersey … a solid background in managing large QA teams and driving digital transformation projects. The ideal candidate will be proficient in both manual and automated testing, with hands-on experience in Selenium, Appium, and API testing. Additionally, a strong understanding of QA processes, including BDD/TDD and continuous … improvement strategies, is essential. Responsibilities: Lead and manage large QA teams. Develop and implement effective automation frameworks using Selenium, Appium, and API testing tools. Ensure adherence to QA processes and best practices. Collaborate with cross-functional teams to drive digital transformation initiatives. Provide mentorship and technical guidance to More ❯

emphasis on left-shifting quality into earlier stages of development Lead the design, development, and maintenance of automation frameworks using Selenium and other modern testing tools Champion a "shift-left" testing approach that integrates quality checks throughout the development process Build, mentor, and grow a high-performing QA … and automation team Collaborate with cross-functional leadership to define quality metrics and KPIs Drive continuous improvement in testing processes and automation capabilities Manage test environment infrastructure and testing tools Establish best practices for test case development, execution, and reporting Create and oversee the execution of comprehensive test … of experience in QA leadership roles Proven experience building and maintaining test automation frameworks using Selenium, WebdriverIO, Playwright, or similar. Experience with Newman for API testing and automation Demonstrated success in implementing shift-left testing methodologies Strong understanding of software development methodologies (Agile, Scrum, etc.) Experience scaling More ❯

tests, embracing a BDD approach to ensure the quality and reliability of our applications. This role offers the chance to work across the full testing spectrum, from UI and API testing to database validation, all within a fast-paced Agile environment. If you thrive in a collaborative … You will be developing and maintaining Automated Tests: using TypeScript, Playwright, and Cucumber, following the BDD approach. You will be heavily involved in UI, API and DB testing. In essence, you will be a key player in ensuring the quality and stability of the eCommerce platform by building and … maintaining a comprehensive suite of automated tests and actively participating in the software development lifecycle. Your "automation first" mindset and experience with various testing techniques will be crucial for delivering high-quality software in a fast-paced environment. What we want from you: Extensive experience in testing eCommerce More ❯

log, and track software defects and issues, ensuring they are appropriately documented, prioritized, and resolved in a timely manner. Perform both manual and automated testing, ensuring test coverage and that the software is free of defects, consistent with business requirements. Hands on with UI and API automation using … as Selenium, Playwright, REST Assured, Appium etc. Experience with at least one programming/scripting language such as Python, Java or JavaScript. Knowledge of API testing and web services. Strong communication skills and the ability to work collaboratively in a team environment. BASIC QUALIFICATIONS 2+ years of quality … assurance engineering experience. Bachelor's degree. Experience in manual testing. Experience in automation testing. Experience in UI and API automation testing (Selenium/SOAPUI). PREFERRED QUALIFICATIONS Experience in API & Mobile testing. Experience designing and planning test conditions, test scripts, and test data sets to ensure appropriate More ❯

highly motivated and experienced Quality Assurance Automation Engineer to join our team on a contract basis. This role involves developing, maintaining, and implementing automated testing frameworks to ensure the quality and reliability of our platform. The ideal candidate will be proficient in both Java and JavaScript and capable of … automating testing processes, manipulating test data, and collaborating closely with the engineering and product teams to ensure seamless product releases. Key Responsibilities: Develop and maintain automated test frameworks for API, application, and data validation testing. Create and execute automated test scripts using JavaScript to streamline testing processes. … Identify, document, and track defects, working with developers to ensure timely resolution. Collaborate with customers to evidence conformance testing of the integration touchpoints as part of customer onboarding. Develop and maintain performance, security, and regression tests. Assist with test data generation and data manipulation for complex test scenarios. Conduct More ❯

Provides input on functional requirements and advises on design and configuration of client software applications; Ensures delivery of testable requirements and effectively applies appropriate testing techniques to ensure comprehensive end-to-end black box testing; Leads user story and test case development, and test execution; Designs, develops, documents … and maintains test artifacts for functional, integration, system, and acceptance testing; Creates test plans outlining test approach and risk mitigation; Prepares and may oversee the preparation of test data and readiness of test environment prior to test execution; Create & executes automated tests. Generates reporting and defines action plans based … QUALIFICATIONS 3+ years QA automation experience supporting large, critical business applications; 5+ years QA experience with Test and Issues Management Tools (JIRA, Azure DevOps); Testing Activities, Manual and Automated Testing Procedures and Tools; Solutions Development Life Cycle in Agile & Waterfall Environments; QA Test Management tools; Creation and execution More ❯

delivering ex ceptional quality, performance, and reliability across both desktop and web applications. Initially the role will be split between 80% Manual & 20% Automation Testing but what they want this person to do is help gradually move the company across to a more automated environment. What You’ll Be … Doing: 🔹 Design, develop, and execute automated & manual tests for AI and non-AI systems using C# 🔹 Perform end-to-end, API, UI/UX, performance, security, and regression testing. 🔹 Contribute to software quality improvements & code reviews 🔹 Continuously improve testing processes, implementing new tools & automation techniques 🔹 Work closely with … fellow Engineers/Stakeholder s to align on test strategies and outcomes 🔹 Gain exposure to AI/LLM model testing, ensuring accuracy and performance What We’re Looking For: 3+ years’ experience in manual & automation testing for desktop and/or web applications Proficiency in C# or Python More ❯

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 … 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 More ❯

you will own In this role, you will be the first QA in the Desktop team. You will be responsible for improving the quality, testing, bug tracking, and observability of the Desktop application. This means setting up test environments, finding bugs and troubleshooting incidents, and participating in the release … new test cases and running tests to support ongoing releases and provide full test coverage. Designing, developing and executing automated scripts to streamline the testing process. Gathering diagnostics for defect reporting and triaging issues. Manual testing (for new version releases initially). We still conduct basic manual testing … engineers. Mentoring and guiding other engineers on automation best practices, coding standards and test methodologies to foster a culture of quality. Requirements Desktop Application testing experience (WPF applications, Windows Environment familiarity, API testing). Ability to set up test environments similar to our Enterprise clients. A track More ❯

advertisers. This is a dynamic, fast-paced environment where managing expectations and aligning diverse stakeholders is key. You are comfortable diving into existing documentation, API specifications, and GitHub repositories to understand the building blocks available for us to build out-of-the-box and custom solutions for our customers. … 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 … not mean you need to be deploying production ready resources. Familiarity with browser developer tools for QA purposes. Able to inspect network requests, debug API issues, and analyze webpage sources and console logs to troubleshoot effectively. Familiarity with JavaScript is a plus. Understanding of Data Pipelines: Awareness of ETL More ❯

advertisers. This is a dynamic, fast-paced environment where managing expectations and aligning diverse stakeholders is key. You are comfortable diving into existing documentation, API specifications, and GitHub repositories to understand the building blocks available for us to build out-of-the-box and custom solutions for our customers. … 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 … not mean you need to be deploying production ready resources. Familiarity with browser developer tools for QA purposes. Able to inspect network requests, debug API issues, and analyze webpage sources and console logs to troubleshoot effectively. Familiarity with JavaScript is a plus. Understanding of Data Pipelines: Awareness of ETL More ❯

different payment networks as a pivotal figure within our VPC & Domestic Processing team in Payment Processing Actively participate in development projects, constructing, REST services API, and container-based services. Develop and maintain highly functional, secure, scalable, and resilient systems Prioritize and manage multiple demands and projects in a fast … Fintech, Retail, Healthcare, Insurance You have expertise of Core Java, JEE technologies, Web technologies, JavaScript and container based technologies. Proficient in Web Services/API Development using SOAP or REST, JSON and XML. Experience in Kafka - Ability to install, maintain and troubleshoot Kafka. Have experience with messaging and stream … or exceed the proposed defect SLA and have high sense of accountability for quality and timeliness. Experience working in technology industry with experience in testing applications. Strong technical competency and experience with API testing, Java automation and end to end testing. You are an expert in proposing More ❯

different payment networks as a pivotal figure within our VPC & Domestic Processing team in Payment Processing Actively participate in development projects, constructing, REST services API, and container-based services. Develop and maintain highly functional, secure, scalable, and resilient systems Prioritize and manage multiple demands and projects in a fast … Fintech, Retail, Healthcare, Insurance You have expertise of Core Java, JEE technologies, Web technologies, JavaScript and container based technologies. Proficient in Web Services/API Development using SOAP or REST, JSON and XML. Experience in Kafka - Ability to install, maintain and troubleshoot Kafka. Have experience with messaging and stream … or exceed the proposed defect SLA and have high sense of accountability for quality and timeliness. Experience working in technology industry with experience in testing applications. Strong technical competency and experience with API testing, Java automation and end to end testing. You are an expert in proposing More ❯

different payment networks as a pivotal figure within our VPC & Domestic Processing team in Payment Processing Actively participate in development projects, constructing, REST services API, and container-based services. Develop and maintain highly functional, secure, scalable, and resilient systems Prioritize and manage multiple demands and projects in a fast … Fintech, Retail, Healthcare, Insurance You have expertise of Core Java, JEE technologies, Web technologies, JavaScript and container based technologies. Proficient in Web Services/API Development using SOAP or REST, JSON and XML. Experience in Kafka - Ability to install, maintain and troubleshoot Kafka. Have experience with messaging and stream … or exceed the proposed defect SLA and have high sense of accountability for quality and timeliness. Experience working in technology industry with experience in testing applications. Strong technical competency and experience with API testing, Java automation and end to end testing. You are an expert in proposing More ❯

constructive way), we want to hear from you. Tasks Test Planning - Map out critical user journeys, set test priorities, and define clear objectives Manual Testing - Dive into functionality, usability, and stability with a sharp eye Bug Reporting - Sniff out the issues, document them clearly, and work with devs to … squash 'em Regression & Performance Testing - Make sure updates don't break anything (we like things smooth) Documentation - Keep test cases, reports, and scripts up to date - future you will thank you Requirements Experience testing web-based SaaS platforms Comfort writing test plans, whether manual or automated Some API testing know-how and familiarity with tools Understanding of QA tools and methodologies GitHub or version control experience Problem-solving skills, clear communication, and a detail-oriented mindset Even Better If You Have: Familiarity with the AEC (Architecture, Engineering, Construction) space Exposure to 3D graphics, rendering, or modelling More ❯

or immigration status, employment history going back 3 continuous years, unspent criminal record check (known as Disclosure and Barring Service). Your role IoT Testing ensuring the device connectivity and security. Your skills and experience Candidate should have 5 8 years experience in QA testing role in embedded … and IoT products. Understanding embedded systems, IoT protocols (MQTT, CoAP, HTTP), and cloud integration. Testing hardware, firmware, and performance of IoT devices. Verifying communication protocols (Wi-Fi, Zigbee, Bluetooth) and network coverage. Ensuring secure authentication, data encryption, and penetration testing for IoT devices. Conducting security tests on IoT … devices, ensuring data privacy and vulnerability assessments. Verifying data integrity, synchronization, and handling of big data in IoT systems. Knowledge of writing & automating IoT testing scripts and integrating with CI/CD pipelines (optional). Knowledge of cloud platforms like AWS IoT, Azure IoT for cloud-IoT device integration. More ❯