14 of 14 API Testing Jobs in Central London

LEAD API SOLUTION ARCHITECT 100 LIVERPOOL STREET, LONDON – HYBRID 6 MONTH CONTRACT INSIDE IR35 About the role My banking client are seeking a highly experienced and strategic Lead API Solution Architect to join our team in the financial services sector. This senior-level role requires a visionary leader with deep technical expertise, regulatory knowledge, and the ability to … influence cross-organizationally. The ideal candidate will drive our API strategy, ensuring alignment with enterprise architecture and business goals. Responsibilities API Strategy & Architecture • Provide strategic leadership and vision for API initiatives. • Influence cross-organizationally to drive API adoption and best practices. • Define and lead the API strategy aligned with enterprise architecture and business goals. • Design … scalable, secure, and reusable API architectures. • Establish API governance, lifecycle management, and versioning standards. Solution Design & Integration • Lead and document the design of end-to-end API solutions across systems (internal and external). • Ensure seamless integration with legacy systems, third-party services, and cloud platforms. • Collaborate with enterprise and domain to align solutions. Security & Compliance • Implement More ❯

LEAD API SOLUTION ARCHITECT 100 LIVERPOOL STREET, LONDON – HYBRID 6 MONTH CONTRACT INSIDE IR35 About the role My banking client are seeking a highly experienced and strategic Lead API Solution Architect to join our team in the financial services sector. This senior-level role requires a visionary leader with deep technical expertise, regulatory knowledge, and the ability to … influence cross-organizationally. The ideal candidate will drive our API strategy, ensuring alignment with enterprise architecture and business goals. Responsibilities API Strategy & Architecture • Provide strategic leadership and vision for API initiatives. • Influence cross-organizationally to drive API adoption and best practices. • Define and lead the API strategy aligned with enterprise architecture and business goals. • Design … scalable, secure, and reusable API architectures. • Establish API governance, lifecycle management, and versioning standards. Solution Design & Integration • Lead and document the design of end-to-end API solutions across systems (internal and external). • Ensure seamless integration with legacy systems, third-party services, and cloud platforms. • Collaborate with enterprise and domain to align solutions. Security & Compliance • Implement More ❯

you’ll be key to ensuring the quality and reliability of every product release. We’re looking for someone who can create robust test plans, carry out thorough feature testing, and help establish automated testing practices that scale with our fast-growing product. Your work will give the team confidence to move quickly while delivering a consistently excellent … understand requirements and define comprehensive test plans for new features Design, document, and execute manual test cases to validate functionality, usability, and edge cases Set up and maintain automated testing frameworks to increase test coverage and reduce manual effort over time Identify, document, and track defects, collaborating with developers to resolve issues quickly and effectively Establish QA best practices … Work closely with engineers to ensure automated tests are part of the CI/CD pipeline, enabling fast and reliable releases Proactively suggest improvements to product quality, processes, and testing tools Contribute to building a culture where quality is owned by everyone in the team We'd love to hear from you if you have: 3+ years of professional More ❯

do and turning feedback into perfect software, you’ll fit right in. What you’ll do Think like a user: design and execute test plans, test cases, and exploratory testing for iOS and/or Android apps Catch edge cases, regression bugs, performance hiccups, and accessibility gaps before they reach our customers Collaborate with product managers, designers, and engineers … release readiness activities: release notes, risk assessments, and sprint reviews Help shape QA processes, promote quality culture, and share learnings with the team What we’re looking for Experience testing mobile apps on iOS and/or Android (hands-on in a product/web/mobile app environment) Strong eye for detail and a user-centric mindset Familiarity …/issue tracking, and test case management Ability to write clear, reproducible bug reports and communicate effectively with cross-functional teams Optional but nice-to-have: basic automation scripting, API testing, performance testing, accessibility testing Bonus: knowledge of mobile devices, OS versions, and real-device testing vs. emulators/simulators What you’ll bring A More ❯

do and turning feedback into perfect software, you’ll fit right in. What you’ll do Think like a user: design and execute test plans, test cases, and exploratory testing for iOS and/or Android apps Catch edge cases, regression bugs, performance hiccups, and accessibility gaps before they reach our customers Collaborate with product managers, designers, and engineers … release readiness activities: release notes, risk assessments, and sprint reviews Help shape QA processes, promote quality culture, and share learnings with the team What we’re looking for Experience testing mobile apps on iOS and/or Android (hands-on in a product/web/mobile app environment) Strong eye for detail and a user-centric mindset Familiarity …/issue tracking, and test case management Ability to write clear, reproducible bug reports and communicate effectively with cross-functional teams Optional but nice-to-have: basic automation scripting, API testing, performance testing, accessibility testing Bonus: knowledge of mobile devices, OS versions, and real-device testing vs. emulators/simulators What you’ll bring A More ❯

to London once a week. La Fosse has partnered with a legal organisation to recruit an Automation Test Lead. This is a fantastic opportunity to take ownership of the testing strategy, drive best practices, and play a key role in shaping the organisation’s automation capability. Key Requirements: Hands-on experience building and maintaining frameworks using JavaScript and TypeScript … Automation testing experience with Cypress or Playwright Background in back-end/data-focused projects, with the ability to drive data testing strategies. Experience with API testing tools, such as Postman or REST-assured Experience leading and managing QA Engineers within a team Strong working knowledge of CI/CD tools, including Jenkins, GitLab CI, or … Azure DevOps. Experience working/Testing with AI tools Interview Process: 1 - Technical Interview over teams with Head of QA 2 - In Person interview with Head of QA and Head of Engineering How to apply: If you are interested in this role, please click the link and attach your most up-to-date CV. More ❯

to London once a week. La Fosse has partnered with a legal organisation to recruit an Automation Test Lead. This is a fantastic opportunity to take ownership of the testing strategy, drive best practices, and play a key role in shaping the organisation’s automation capability. Key Requirements: Hands-on experience building and maintaining frameworks using JavaScript and TypeScript … Automation testing experience with Cypress or Playwright Background in back-end/data-focused projects, with the ability to drive data testing strategies. Experience with API testing tools, such as Postman or REST-assured Experience leading and managing QA Engineers within a team Strong working knowledge of CI/CD tools, including Jenkins, GitLab CI, or … Azure DevOps. Experience working/Testing with AI tools Interview Process: 1 - Technical Interview over teams with Head of QA 2 - In Person interview with Head of QA and Head of Engineering How to apply: If you are interested in this role, please click the link and attach your most up-to-date CV. More ❯

functionality, and user stories to ensure complete coverage. Reporting and documenting defects clearly using Jira. Collaborating closely with internal teams and occasionally external partners. Troubleshooting issues and proactively improving testing processes. Your experience: 2.5+ years of experience in software QA testing. Hands-on experience with API testing (Postman, Swagger) and exposure to automation tools (Selenium, Cypress, Playwright … solving skills. Excellent communication skills in English. A proactive, collaborative, and organised approach. Bonus points for: Knowledge of video streaming technologies (encoding, CDNs, adaptive streaming, cloud platforms). Experience testing across multiple platforms (web, mobile, Smart TVs, consoles). Familiarity with Jira and debugging tools such as Charles Proxy. Note: This is a hybrid role that requires 3 days More ❯

functionality, and user stories to ensure complete coverage. Reporting and documenting defects clearly using Jira. Collaborating closely with internal teams and occasionally external partners. Troubleshooting issues and proactively improving testing processes. Your experience: 2.5+ years of experience in software QA testing. Hands-on experience with API testing (Postman, Swagger) and exposure to automation tools (Selenium, Cypress, Playwright … solving skills. Excellent communication skills in English. A proactive, collaborative, and organised approach. Bonus points for: Knowledge of video streaming technologies (encoding, CDNs, adaptive streaming, cloud platforms). Experience testing across multiple platforms (web, mobile, Smart TVs, consoles). Familiarity with Jira and debugging tools such as Charles Proxy. Note: This is a hybrid role that requires 3 days More ❯

Mentor team members in QA best practices and automation strategies. Keep up to date with QA tools, trends, and methodologies. Technical Skills needed: 5+ years of experience in automation testing and software quality assurance. Strong proficiency in Playwright or Selenium Experience with BDD/TDD frameworks Competency in API testing (Postman, SoapUI) and SQL Familiarity with test … such as JIRA, Xray, or TestRail. Desirable skills: Degree in Computer Science or a related field. Expertise in mobile automation (Appium) and front-end web testing. Knowledge of performance testing tools like K6 or JMeter. Benefits: Hybrid working arrangement (London-based). Bonus’ Great company culture Life insurance and income protection. Contributory pension scheme. Annual training and development budget. More ❯

Mentor team members in QA best practices and automation strategies. Keep up to date with QA tools, trends, and methodologies. Technical Skills needed: 5+ years of experience in automation testing and software quality assurance. Strong proficiency in Playwright or Selenium Experience with BDD/TDD frameworks Competency in API testing (Postman, SoapUI) and SQL Familiarity with test … such as JIRA, Xray, or TestRail. Desirable skills: Degree in Computer Science or a related field. Expertise in mobile automation (Appium) and front-end web testing. Knowledge of performance testing tools like K6 or JMeter. Benefits: Hybrid working arrangement (London-based). Bonus’ Great company culture Life insurance and income protection. Contributory pension scheme. Annual training and development budget. More ❯

a company that is committed to driving sustainable economic growth, striving to become the leading hub for sustainable and transition financing and trading. ✨ 🔧 What You'll Do 🛠 Automate backend API tests using a custom Java framework 🧹 Run manual & exploratory tests as needed 🤝 Collaborate closely with devs and QA peers ✅ Drive quality through best practices and solid coverage ✅ What We … re Looking For 👨 💻 3+ years QA/SDET experience ☕ Strong Java coding skills 🔍 Proven backend API testing experience 📚 Solid understanding of testing fundamentals ⭐Computer Science Degree 🎁 Benefits 💷 Up to £75k base salary 🏠 Hybrid (3 days in office) 💰Bonus Scheme 🏥 Private healthcare 🏖 Generous holidays & pension Apply now if you're ready to take your career to the next More ❯

a company that is committed to driving sustainable economic growth, striving to become the leading hub for sustainable and transition financing and trading. ✨ 🔧 What You'll Do 🛠 Automate backend API tests using a custom Java framework 🧹 Run manual & exploratory tests as needed 🤝 Collaborate closely with devs and QA peers ✅ Drive quality through best practices and solid coverage ✅ What We … re Looking For 👨 💻 3+ years QA/SDET experience ☕ Strong Java coding skills 🔍 Proven backend API testing experience 📚 Solid understanding of testing fundamentals ⭐Computer Science Degree 🎁 Benefits 💷 Up to £75k base salary 🏠 Hybrid (3 days in office) 💰Bonus Scheme 🏥 Private healthcare 🏖 Generous holidays & pension Apply now if you're ready to take your career to the next More ❯

a established estate client for a Data QA Engineer to join their team on a 6 month contract . This is a hands-on role focused on data pipeline testing, data transformations, and integrated systems. The position reports to a Test Engineer and provides the opportunity to work across the full data lifecycle Key requirement: A years’ experience in … QA, preferably in data QA or data engineering environments. Strong SQL skills Python skills. Experience with Postman for API testing. Understanding of ETL processes, data lakes, and pipeline stages. Interview process: 1 stage teams interview with Senior Test Engineer + Head of solutions architecture How to apply: Please click the link below to apply More ❯