1 to 25 of 78 API Testing Jobs in the UK

Senior Test Analyst (API & Integration Testing) - Contract Location: Milton Keynes x2-3 days per week onsiteRate: £390-£400 per dayContract: Outside IR35 The Role Our customer, a leading automotive organisation, is seeking an experienced Senior Test Analyst to support a major transformation programme involving complex system integrations, data … migration activities and API-driven applications. Working within a fast-paced delivery environment, you will play a key role in ensuring the quality, reliability and performance of business-critical systems. You will be responsible for designing and executing comprehensive test strategies, validating data migration activities and ensuring seamless integration ...

Senior Test Analyst (API & Integration Testing) - Contract Location: Milton Keynes x2-3 days per week onsite Rate: £390-£400 per day Contract: Outside IR35 The Role Our customer, a leading automotive organisation, is seeking an experienced Senior Test Analyst to support a major transformation programme involving complex system … integrations, data migration activities and API-driven applications. Working within a fast-paced delivery environment, you will play a key role in ensuring the quality, reliability and performance of business-critical systems. You will be responsible for designing and executing comprehensive test strategies, validating data migration activities and ensuring ...

looking for a highly skilled Automation Test engineer with expertise in Identity and Access management (IAM) back-end validation. Skilled in identity orchestration, API testing, data ingestion and transformation, and event-driven (Pub/Sub) architectures. This role focuses on testing secure, scalable identity and access workflows … secure service integrations that support enterprise-level cloud and Identity operations. Key Responsibilities Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Define and execute test plans/cases/data aligned to requirements and technical specs; maintain ...

delivery of a large-scale digital transformation programme. The chosen candidate must have experience in Playwright or Cypress, Kotlin and TypeScript with API testing. This is an opportunity to work within a complex enterprise environment, helping to ensure the quality, resilience, and performance of critical services that support thousands … users across the UK.Working within a multidisciplinary Agile team, you will be responsible for designing, building, and maintaining automated testing frameworks across UI, API, and end-to-end testing layers. You will work closely with developers, business analysts, and operational stakeholders to ensure robust testing coverage ...

delivery of a large-scale digital transformation programme. The chosen candidate must have experience in Playwright or Cypress, Kotlin and TypeScript with API testing. This is an opportunity to work within a complex enterprise environment, helping to ensure the quality, resilience, and performance of critical services that support thousands … users across the UK.Working within a multidisciplinary Agile team, you will be responsible for designing, building, and maintaining automated testing frameworks across UI, API, and end-to-end testing layers. You will work closely with developers, business analysts, and operational stakeholders to ensure robust testing coverage ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. This is a fully onsite position , based … with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team. Responsibilities Design and execute tests for backend systems, including ...

Automation Test Engineer Permanent Location: London/Home (Hybrid) Salary: £60,000 - £80,000 + benefits Skills: Integration Testing, API Testing, SQL, BDD (Gherkin/SpecFlow), Test Automation We're recruiting an Automation Test Engineer for a leading software company that develops advanced solutions for trading … frameworks Develop and execute automated tests using the Triangle Test Automation product Work closely with developers, product owners and stakeholders within scrum teams Support API and integration testing across distributed systems Contribute to CI/CD pipelines and continuous quality improvement Help shape best practice in automation strategy ...

platform is built on . NET , GraphQL , React , and AWS , with frequent releases and a technical BA validating requirements. The role includes: Owning manual testing end to end Functional, exploratory, and regression testing API testing (REST/GraphQL) SQL-based data validation Close collaboration with developers … What they’re looking for: Commercial QA experience Strong exploratory testing skills Comfortable being the sole QA and setting processes SQL and API testing experience Confident, self-sufficient approach Package: £50,000 base + generous bonus Fully remote + 1 monthly office visit (Manchester) 25 days holiday ...

week on site. Financial Services Lorien's leading banking client is looking for a skilled Automation Test Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate will have strong experience of working with CI/CD Environments … Rest API And Kafka Events. This role is based in London. This role will be Via Umbrella. Working in a Hybrid Model of 2 days a week on site. Experience & Ways of Working Hands-on experience with Continuous Integration and Continuous Delivery (CI/CD) environments. Experience working ...

hands on contract role with strategic influence, where you'll be responsible for defining and implementing a robust and cohesive end-to-end testing strategy, working closely with engineering and product leadership in a fast-pace, environment with a start-up feel. The key challenge is bringing structure … maturity to a fragmented testing landscape, establishing a cohesive end-to-end strategy across complex, multi-channel and highly integrated systems. Challenge: The company are currently using a mixture of Playwright, System Integration Testing, UAT, functional testing, UI and API testing, but lacks some structure ...

Provide authoritative advice on test scope, entry/exit criteria, and quality risks to delivery and product leadership. Balance pragmatism with assurance, ensuring proportionate testing within agile delivery constraints. Lead the design and evolution of automated test frameworks (UI, API, or service-level), aligned to the teams technology … value, maintainability, and risk. Integrate automated tests into CI/CD pipelines and advise teams on improving feedback cycles. Evaluate and recommend client community testing tools, frameworks, and practices to improve effectiveness and efficiency. Plan build and execute non-functional testing activities, including performance, accessibility, security, resilience ...

quality, reliability, and performance of high-volume transaction platforms. You will work closely with developers, business analysts, and stakeholders to design and execute robust testing strategies across both manual and automated environments. This is an excellent opportunity for someone who is passionate about quality engineering, continuous improvement, and modern … test automation practices, including AI-driven testing techniques. Key Responsibilities Design, prepare, and maintain test plans, test cases, regression packs, and automated test suites. Execute functional, integration, regression, and non-functional testing across client, web-based, mobile, and API-driven applications. Perform RESTful API testing ...