26 to 50 of 59 API Testing Jobs in London

have on end usersand provideaccurateupdates on the progress and outcomesof testing. Responsibilities: Performfunctional and non-functional (performance, accessibility, security, operational/user acceptance) testing, working within an Agile team. Develop andmaintaintest automationsolutionsand scripts,promoting best practices within the development team Develop and maintain performance/load/stress testing solutions using standard oropen-sourcetools Resolve problems and blockers as they occur and helptounlocktheprogressof testing Collaborate, communicate & work effectively with geographically distributed cross-functional teams Defect Management, ensuring that defects are effectively triaged and managed until resolution Promote the value of solid testing practices to all delivery ...

test effectiveness, automation coverage, release confidence, and production quality. Deliver quality reporting and insights to senior stakeholders, programme leadership teams, and governance forums. Govern testing practices across functional, integration, end-to-end, data, AI, and non-functional testing disciplines. Ensure consistent defect management, root cause analysis, quality controls … Platforms Data & Analytics Solutions Cloud-Based Platforms and Services SQL and Data Management Technologies AI and Intelligent Product Ecosystems Business Intelligence and Reporting Platforms API and Integration Platforms Event-Driven Architectures Machine Learning Solutions Intelligent Workflow and Decisioning Platforms Partner with Programme Leads, Product Managers, Architects, Delivery Managers ...

Svitla Systems Inc. is looking for an AI QA Engineer – On-Device & Mobile Testing for a full-time position (40 hours per week) in London . Our client is an American mobile computing company. It's a central innovation team with engineers and researchers in London, Europe … automation framework (e.g., Playwright, Cypress, Robot Framework, Selenium, WebdriverIO). Experience with mobile test automation using Appium or a similar mobile automation tool. API testing experience (e.g., Postman). Hands-on experience testing on physical Android devices: installing APKs, updating software, and performing both manual and automated ...

less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding Service (DOS) used across the client API Platform. This role is ideal for someone who is strong in Python, confident working with architects and APIs, and comfortable delivering features within … APIs and microservices using Python frameworks such as FastAPI or Flask. Build and support cloud-native solutions leveraging AWS services including Lambda, ECS Fargate, API Gateway, DynamoDB, S3, Secrets Manager, and CloudWatch. Work closely with the Lead React Engineer, Technical Architects, and Engineering teams to implement technical designs, architectural ...

throughout the development lifecycle. Collaborate closely with developers and product teams to understand requirements and ensure quality standards are met. Conduct manual and automated testing of web and software applications. Analyze test results and provide clear, actionable feedback to the development team. Participate in code reviews, requirement discussions … sprint planning when required. Help establish and improve QA processes, testing standards, and best practices. Maintain accurate documentation of test cases, test results, defects, and QA activities. Stay up-to-date with the latest QA tools, testing methodologies, and industry best practices. Requirements: Bachelor’s degree in Computer ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

responsibilities Reporting to the Test Manager. Requirements Desire to remain technically hands‐on. Experience of team leadership and standards governance. Proficiency in SpecFlow (Reqnroll), API testing,SQL, GIT and Azure Pipelines. Strong communication and collaboration skills. Proactive approach to problem solving. Experience in Energy Trading or Capital Markets … Computer Science or related field. Additional skills & experience Experience in Python, Data Testing or .NET.Experience in testing Event or Message buses of test data, batches and pipelines (e.g., YAML, JSON or XML file configuration). Bash and Powershell scripting. Experience in performance, stress and securitytesting. JD: Lead tester ...

technologies, and other enterprise applications. Apply systems thinking to solve complex multi-system data flows, dependencies, and integration challenges. Guide partners and customers on API design, authentication, data transformation, field mapping, error handling, and integration patterns. Build, configure, test, or troubleshoot integrations using REST APIs, webhooks, JSON/… management to improve agent performance. Support prompt design, conversational flows, guardrails, escalation logic, and voice configuration such as SSML, lexicons, and regex. Apply structured testing to validate architecture, integration reliability, agent quality, and real-world behavior. Review partner-created solution designs and help partners build the capability to deliver ...

logs, crash reports, and debugging information. Work closely with developers to identify root causes and implement fixes. Perform code-level debugging and troubleshooting. Support testing teams by investigating failed test cases. Document bugs, fixes, and technical solutions. Monitor system performance and identify potential issues. Assist with software releases … Skills (Desirable) Programming languages: Java C# Python JavaScript C++ Experience with: Visual Studio Debugger IntelliJ IDEA Debugging Tools Git/GitHub Jira SQL troubleshooting API testing tools Log analysis tools Knowledge of cloud environments: AWS Azure Google Cloud Key Competencies Problem solving Root cause analysis Attention to detail ...

Assured) across APIs, user journeys and integrations. You will collaborate with developers, business analysts and product owners to define acceptance criteria, balance risk-based testing, and continuously improve test frameworks and release quality. #J-18808-Ljbffr ...

focus on quality, scalability, and reusability. Handle a wide range of request types and endpoints, maintaining and contributing to a shared library of proven API calls and integration patterns. Own the full integration lifecycle on assigned client engagements — from scoping and design through deployment and post-launch support. Proactively … identify and drive improvements to workflow solutions through ongoing research, testing, and validation. Client engagement & solution design Act as the primary technical liaison between clients, internal team members, and stakeholders — defining requirements and clarifying project scope and roadmaps. Lead virtual and onsite solution design sessions, translating client needs into ...

government, healthcare and purpose-driven businesses. As a Quality Assurance consultant, you’ll ensure that quality assurance is considered from the start through testing, questioning and improving. You’ll apply your adaptability and communication skills across a variety of projects, working with a vibrant QA community that champions learning … project or work in a team. Leading by example and promoting the Opencast approach, you'll work in an agile environment across all testing types. You'll collaborate with team members, clients and users to maintain quality and follow best practice. You'll adapt to different tools and technologies ...

with QA peers and delivery teams to refine strategy and continuously improve outcomes. Experience Sought Strong hands‐on QA experience (5+ years): Proven experience testing web applications end‐to‐end, with solid judgement around prioritisation and release risk. Leadership/ownership: Experience leading QA work (formal lead role … similar) or maintaining structured test documentation. Desirable Skills Drupal/CMS familiarity: Familiarity with Drupal (7/9/10) or another CMS platform. API testing: Able to test REST APIs (e.g., Postman) and think about quality beyond the UI. Technical basics: Comfortable with basic debugging using ...

Sharepoint, O365, MS Teams, Viva Engage and APIs. Experience managing client projects, from requirement analysis to post-deployment support. Familiarity with software development and API testing tools such as Postman. Experience with complex SQL Database models, PowerShell scripting, Azure platform services and infrastructure tools. Excellent communication and interpersonal ...

leading Cyber Security Consultancy is looking for an experienced Senior Penetration Tester to join its team. You'll deliver end-to-end penetration testing engagements, work directly with clients and contribute to the development of technical capabilities. Key Responsibilities: Deliver penetration tests from scoping through to reporting and client … debrief. Conduct testing across web applications, APIs, infrastructure, networks, cloud and mobile environments. Produce high-quality technical reports and present findings to clients. Support engagement scoping, proposals and client relationships. Research emerging vulnerabilities and develop tools/scripts to enhance testing. Key Requirements: Proven commercial experience within a penetration ...