1 to 25 of 52 API Testing Jobs in the UK excluding London

integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform API … testing and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify ...

Test Engineer - Deeside, near Chester Integration Testing/API Testing/Agile/Azure DevOps/Test Automation/Postman/Playwright Based just outside Chester, with free onsite parking Hybrid working - minimum 2 days a week in the office Great training, development and progression opportunities Competitive … head office just outside Chester. Due to our ongoing growth and continued success, we're looking for an ambitious Test Engineer with strong API and integration testing experience to join our technology team. This is an exciting opportunity to play a key role in assuring the quality, reliability ...

Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies using TDD, BDD and risk-based testing approaches. Champion shift-left testing practices and support CI/CD pipeline integration. Coach and mentor development teams on Quality Engineering best practices. Perform testing across all levels, including: Unit Testing System Testing Integration Testing Non-Functional Testing Analyse business requirements and translate them into effective test approaches. Create ...

Stack Frontend Remix React JavaScript Backend Java Spring Framework .NET Data MongoDB Oracle Tools & Integration RabbitMQ JSON Key Responsibilities Design, build and implement automated testing solutions from the ground up. Develop and execute test strategies using TDD, BDD and risk-based testing approaches. Champion shift-left testing practices and support CI/CD pipeline integration. Coach and mentor development teams on Quality Engineering best practices. Perform testing across all levels, including: Unit Testing System Testing Integration Testing Non-Functional Testing Analyse business requirements and translate them into effective test approaches. Create ...

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. ...

leading role in defining effective test approaches, developing automated tests and embedding quality throughout the software development lifecycle. You will combine strong hands-on testing skills with technical leadership, supporting Test Engineers and working closely with developers, delivery colleagues and other specialists. You will help teams move beyond testing at the end of development by promoting early collaboration, appropriate automation and continuous improvement. This is an opportunity to influence how testing is delivered across a large and diverse technology estate while continuing to develop your own technical and leadership capabilities. Watch this video to find out more ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

code that is structured, reusable, version-controlled, and maintainable to the same standard as production code Delivering automated test coverage across functional, cross-browser, API, integration, and acceptance testing layers, with overnight regression runs that the team can rely on Building and extending API test suites using … write and automate tests that guide development, including contributing to test-driven and behaviour-driven approaches where appropriate Performing front-end cross-browser functional testing, exploratory testing, system integration testing, and user acceptance testing as the engagement requires Accurate defect recording, monitoring, and root cause analysis ...

with a client undertaking a major platform transformation programme. They are seeking an experienced QA Lead to take ownership of the end-to-end testing strategy, with a particular focus on validating data flows, data integrity and system behaviour between Salesforce and a bespoke platform. This is a highly … multiple integration points. The successful candidate will define the quality approach, build robust automation frameworks from the ground up using Cucumber, and establish effective API testing practices with Playwright or Postman. You will work closely with engineering, product and delivery teams to identify risks early, improve test coverage ...

through designing and implementing extensions/adjustments to the Automation Frameworks Ensure SCRUM teams apply critical thinking to validate AI-generated outputs, support the testing and continuous improvement of AI-enabled solutions, and help drive the responsible and effective adoption of AI within everyday delivery Use AI tools extensively … prompts and critically evaluate AI-generated outputs, identifying inaccuracies, gaps and improvement opportunities Supports colleagues in adopting AI effectively and responsibly Contribute to the testing of AI-enabled solutions and ensure that AI tools are used in line with security, privacy, cost and governance requirements Stays informed about emerging ...

Test Engineer (Tech stack: QA Analyst, QA, SDET, Test Engineer, Tester, Manual Tester, QA Engineer, Quality Assurance, Software Quality Assurance (SQA) Engineer, Manual Testing, Web Applications, Defect Tracking, Excel, API Testing, SQL, DevOps, Scrum) Our client is an established technology business delivering web-based software solutions. They … Application Support Specialist with strong QA experience to ensure the quality, stability, and reliability of their applications. This role is primarily focused on manual testing, defect management, and application support. You will play a key part in validating releases, identifying issues, and working closely with development teams to ensure ...

Remote UK | Permanent Are you a QA/Automation Engineer who wants the opportunity to take real ownership rather than simply inherit an established testing process? We are working with a growing sports technology business that operates complex, real-time platforms handling large volumes of live data and significant …/Automation Engineer to help establish how QA works across the development team. The Role This is a hands-on position combining automation, API, functional and performance testing. You will have the autonomy to identify gaps, recommend tooling and build practical testing processes from the ground up. Rather ...

Term Contract A new exciting Fixed Term Contract opportunity has become available to join a leading UK housing care provider. They're seeking a Testing Team Lead to support the delivery of high-quality digital products across there agile teams. This role is perfect for someone who enjoys … objective setting, and performance reviews. Build capability through mentoring, knowledge sharing, and skill development. Support wellbeing and workload balance within the team. Testing Delivery and Quality Assurance: Lead planning and execution of test activities within agile teams. Ensure test approaches are risk-based and aligned to product scope. Oversee ...

Negotiable depending on experience IR35: Inside Clearance Required: DV - suitable candidates must have current, transferrable DV Clearance Top 3: Python Test Automation experience AWS Testing Experience Security Testing experience The company are seeking a mid level Test Automation Engineer to join its UK team in the Farnborough area … initial four-month contractor engagement. The role will support the delivery of secure, reliable technical solutions through a combination of manual testing, Python-based test automation, AWS, database and security-testing expertise. The successful contractor will be a seasoned technical individual contributor who is fully proficient in applying ...

seeking an experienced Senior QA Analyst to join the team. This role is ideal for someone with strong hands-on testing expertise, a broad technical breadth, a solid understanding of Agile delivery, and the ability to work effectively with cross-functional teams. Plan, design, and execute manual and automated … test cases across multiple projects and platforms. Liaise with senior business representatives to plan, coordinate, and facilitate testing, including User Acceptance Testing Perform API testing using Postman, including validation of request/response structures and data integrity. Write and execute SQL queries to validate backend proceses ...

across platform vendors, business stakeholders, release teams, environment teams and third-party suppliers.Drive quality transformation through automation, CI/CD quality gates, risk-based testing and productivity improvements.Provide executive-level reporting on delivery progress, release risks, defect trends, dependency management and quality outcomes.Mandatory SkillsYou will have a strong understanding … Wealth & Retirement platforms, pensions, workplace savings, investment products and adviser-led wealth services.Test strategy, functional testing, integration testing, regression testing, UAT support and release assurance.Quality governance, defect management, test data strategy, environment readiness and risk-based testing.Stakeholder management across executives, delivery teams, suppliers and business partners.Automation strategy ...

platform vendors, business stakeholders, release teams, environment teams and third-party suppliers. Drive quality transformation through automation, CI/CD quality gates, risk-based testing and productivity improvements. Provide executive-level reporting on delivery progress, release risks, defect trends, dependency management and quality outcomes. Mandatory Skills You will have … strong understanding of: Wealth & Retirement platforms, pensions, workplace savings, investment products and adviser-led wealth services. Test strategy, functional testing, integration testing, regression testing, UAT support and release assurance. Quality governance, defect management, test data strategy, environment readiness and risk-based testing. Stakeholder management across executives, delivery ...

provide real value to customers and the wider business. You will be involved throughout the software development lifecycle, from design and development through to testing, deployment and operational support. Working within an Agile environment, you will collaborate closely with Product Owners, UX Designers, QA Engineers, Architects and Operations teams … practices. Support the delivery of new features and enhancements throughout the software development lifecycle. Contribute to technical discussions and provide input into solution design. Testing & Quality Assurance Create and maintain automated unit and integration tests. Contribute to API and user interface test automation frameworks. Help ensure software meets ...

Server or Oracle databases. Understand business requirements and create detailed test plans, writing and executing test cases for both functional and non-functional testing using Azure DevOps, XRAY, and JIRA. Conduct regression, functional, emergency change, and defect testing across production systems. Perform API testing, data validation … batch process testing to ensure comprehensive system integrity. Design and maintain a test results dashboard to provide real-time visibility into project status, test execution progress, and key quality metrics for stakeholders. Additional Responsibilities: Collaborate with business users in London and other European branches to align on business requirements ...

financial markets to join a leading financial services organisation. Working within Agile delivery teams, you will play a key role in defining the overall testing strategy, designing and executing automated and manual test cases, and ensuring the successful delivery of high-quality software across business-critical settlement platforms. This … while collaborating with highly skilled engineering teams in a modern Agile environment. Key Responsibilities Develop and own Test Strategies and recommend the most effective testing approach. Present testing strategies and approaches to technical and business stakeholders. Review functional and technical specifications to produce comprehensive test scenarios and test ...

join its UK team in the Farnborough area. The role will support the delivery of secure, reliable technical solutions through a combination of manual testing, Python-based test automation, AWS and database expertise. The successful candidate will be a seasoned technical individual contributor who is fully proficient in applying … testing principles, theories and concepts, and who can work independently on technically difficult or unclear problems.Everything we do is built on a commitment to do the right thing for our customers, our people and our community. Our mission and our values guide the way we do business. The foundation ...