76 to 100 of 145 API Testing Jobs in London

Senior Test Analyst Department: QAT Testing Employment Type: Permanent Location: London Compensation: £64,000/year Description Role: Senior Test Analyst Salary: £64,000 Working Structure: Hybrid (Mostly from home/Croydon) Clearance: SC Active/Eligible We are seeking a highly skilled and experienced Senior Test Analyst to join our dynamic team. This role is crucial for ensuring … working with cloud environments. Exceptional communication and collaboration skills are essential to facilitate effective teamwork and achieve project goals. Key Responsibilities Support the planning, design, and execution of functional testing to support software and system development, with a strong focus on cloud-based services. Input into testing timelines, and communicate testing progress and results effectively to both … technical and non-technical stakeholders. Undertake audits of third-party suppliers testing to ensure quality and exercise definition of done as SIT quality gate. Lead the analysis on complex testing issues , including cross systems issues. Develop and maintain detailed integration test plans and scenarios for complex software applications involving multiple systems, including cloud platforms. Conduct UI, API More ❯

Apply for this position Quality management tools (Micro Focus Quality Center, TestDirector, Test Manager, TestLink, SpiraTest, TestRail, HP-ALM (QC)) to organize and manage all phases of the software testing process including planning, running tests, and tracking defects, generating and storing test reports, and interlinking them with the release requirements; Defect tracking tools (BugZilla, Mantis) to track the defects … to the dev team; MS Excel or Test Studio to write large sets of test cases and later import them into TMTs; SQL clients to connect to the database; API testing tools (Postman, SoapUI,) for automated checks. They offer predefined snippets to automate API testing without the need to write code to test the API; Responsibilities · Analyse requirements and prepare a query list. If requirements are incomplete, they need to ask meaningful questions that will yield more information and help perform testing effectively; Write and execute test cases to find system bugs like UI and usability issues, etc. Provide inputs on high-level test scenarios, challenges, risks, resources, test estimates, etc., during test More ❯

of required testing. Provide brief daily status to the engineering team. Integrate automation and functional QA tools. Create automated tests. Document automation process and tools. Create Load and Stress testing plans and run them regularly. Perform other duties as assigned. Role Requirements Minimum of 3 years of experience creating, maintaining, and executing system and API test automation. Familiarity … and manage test cases. Must have experience identifying and reporting issues and using defect-tracking tools. Background in creating and executing functional, regression, and integration tests. Disciplined approach to testing and defect reporting. Familiar with Quality Assurance methodologies and processes. Strong understanding of the SDLC. Must be able to interact effectively with members of the test, development, and support … detail-oriented, able to demonstrate a history of initiative, and have strong interpersonal skills. Nice-to-Haves Experience with Blockchain technology. JavaScript. Golang, Python, or a similar programming language. API testing. CLI and logging tools. Testing web applications on multiple browsers. Direct experience testing software on mobile devices - Android and iOS. Experience working in a SCRUM/ More ❯

responsible for the entire development process of websites and applications, from the front end to the back end. They work on all aspects of the project, including design, development, testing, and troubleshooting: Design: Create user interfaces and design tools for systems Development: Contribute to both front-end and back-end development processes Testing: Perform tests, troubleshoot software, and … AWS or similar .NET C# (legacy and latest Core frameworks) Understanding of data modelling and database design SQL Server 2022 & Managed SQL Instances, T-SQL & Stored Procedures Postman Automated API Testing RESTful web services Knowledge and experience of working within the financial services sector Understanding of source control processes Understanding of defect management processes and tracking systems Knowledge More ❯

fast-paced development teams for our own products and/or client projects. As a Technical Business Analyst you will be working on our consulting projects, primarily designing RESTful API services. Here's what you'll do: Capture and curate business requirements and system documentation in JIRA/Confluence as user stories, API design, API enhancements Write … estimate-able user stories, in JIRA, for developers including acceptance criteria Design RESTful web APIs for new and existing products in an API first context, in accordance with strategic guidance provided by the technical architect. Collaborate with engineering team members and business stakeholders to: Design RESTful web APIs Design Data Models Design event-driven processes in a distributed systems … micro-services) Specify contracts for messaging and web services, primarily using JSON Schema and Open API Specification (Swagger), respectively. Validate/verify APIs by creating requests and asserting responses in Postman. Document processes and data models, primarily using BPMN Define acceptance test scenarios in a DSL, such as Gherkin and generate test data sets Support product owners and QA More ❯

Senior Automation Tester with a passion for agile delivery, test automation, and driving continuous improvement in quality engineering. You will need test automation experience with Selenium and C# and API testing experience Key requirements: Lead and implement test strategies across Agile teams Drive test automation using Selenium with C# or .net and BDD (SpecFlow) Develop and maintain robust … API automation frameworks Design and manage Selenium Grid implementations This will be a two stage interview process - Interviews will commence next week onwards. First stage = Technical Interview Second stage = Competency Interview This role will be a July start. If this is of interest please click the link or email me directly mohima.ali@lafosse.com More ❯

Senior Automation Tester with a passion for agile delivery, test automation, and driving continuous improvement in quality engineering. You will need test automation experience with Selenium and C# and API testing experience Key requirements: Lead and implement test strategies across Agile teams Drive test automation using Selenium with C# or .net and BDD (SpecFlow) Develop and maintain robust … API automation frameworks Design and manage Selenium Grid implementations This will be a two stage interview process - Interviews will commence next week onwards. First stage = Technical Interview Second stage = Competency Interview This role will be a July start. If this is of interest please click the link or email me directly mohima.ali@lafosse.com More ❯

responsible for the entire development process of websites and applications, from the front end to the back end. They work on all aspects of the project, including design, development, testing, and troubleshooting. Responsibilities Design: Create user interfaces and design tools for systems Development: Contribute to both front-end and back-end development processes Testing: Perform tests, troubleshoot software … AWS or similar .NET C# (legacy and latest Core frameworks) Understanding of data modelling and database design SQL Server 2022 & Managed SQL Instances, T-SQL & Stored Procedures Postman Automated API Testing RESTful web services Knowledge and experience of working within the financial services sector Understanding of source control processes Understanding of defect management processes and tracking systems Knowledge … skills, both verbal and written, and must be comfortable delivering presentations and facilitating workshops Key Accountability Participate in all phases of the software development life cycle including design, development, testing, implementation, and support Design and develop solutions using primarily .NET, C#, and SQL Server Work with SMEs, Business Analysts, and Solution Architects to understand functional & non-functional requirements and More ❯

identity, nationality (single or dual) 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. Worked in agile teams, understand agile methodologies and proficient in JIRA and defect lifecycle management. Perform manual test execution and API testing for More ❯

nationality (single or dual) or immigration status, employment history going back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service). Your role IoT Testing ensuring the device connectivity and security. We value diversity and inclusion at Capgemini. We have built an inclusive and welcoming environment, for everyone. We have a number of networks … you can join, including our Women in Engineering employee network group. These networks support our community every day. Your skills and experience • 5 to 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). More ❯

a crucial role in safeguarding the quality and reliability of our cutting-edge low-code/no-code supply chain platform. Your attention to detail and structured approach to testing will help ensure that our platform delivers intuitive, error-free experiences for users - from logistics managers to sustainability analysts - across complex global supply chains. In this role, you'll … Execute manual tests to validate business rules, workflows, and usability across low-code configurations. Contribute to regression, smoke, and exploratory testing to ensure consistent platform stability. Create, maintain, and manage manual test scripts for consistent execution and test reliability. Collaborate closely with engineers, business architects, and technologists to define clear acceptance criteria and support Agile sprint activities. Detect, document … and track software defects clearly, contributing to continuous improvement and detailed release notes. Offer usability insights that inform better platform design, based on your testing outcomes and user empathy. Support the team in automating tests, managing automated test scripts, and iterating testing processes for scale and sustainability. By identifying issues before they affect real-world operations, you'll More ❯

code (e.g. Terraform, Pulumi) CI/CD pipelines (e.g Jenkins, CircleCI, Github Actions, etc.) Effective source-control management using Git Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing Working with lean and agile practices (e.g. Kanban, Scrum, etc.) Collaborating in cross-functional teams It’d be amazing More ❯

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 ❯

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 ❯

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 ❯

/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 ❯

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 ❯