1 to 25 of 59 API Testing Jobs in London

Automation Engineer (Back End) - (Security Cleared)

Location
Greater London, England, United Kingdom
experienced Automation Test Engineers/SDET to work on projects with our clients from both the public and private sectors. You will have a testing background and be confident using your skills to run projects directly with clients with minimal supervision. You will be a fundamental member … Initiating and establishing processes for automation and performance monitoring. Actively contributing to both our Quality Engineering teams and our clients in establishing Automation and Testing best practices for the organisation. Collaborating with various teams to address their automation challenges and coordinating efforts with diverse teams to resolve performance test ...

Automation Tester (Front End) - (Security Cleared)

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
experienced Automation Test Engineers/SDET to work on projects with our clients from both the public and private sectors. You will have a testing background and be confident using your skills to run projects directly with clients with minimal supervision. You will be a fundamental member … Initiating and establishing processes for automation and performance monitoring. Actively contributing to both our Quality Engineering teams and our clients in establishing Automation and Testing best practices for the organisation. Collaborating with various teams to address their automation challenges and coordinating efforts with diverse teams to resolve performance test ...

Automation Tester (Front End) - (Security Cleared)

Location
Greater London, England, United Kingdom
experienced Automation Test Engineers/SDET to work on projects with our clients from both the public and private sectors. You will have a testing background and be confident using your skills to run projects directly with clients with minimal supervision. You will be a fundamental member … Initiating and establishing processes for automation and performance monitoring. Actively contributing to both our Quality Engineering teams and our clients in establishing Automation and Testing best practices for the organisation. Collaborating with various teams to address their automation challenges and coordinating efforts with diverse teams to resolve performance test ...

Lead QA Automation Engineer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 525 Daily
Working (Minimum 2 days per week in office) The Opportunity We are seeking an experienced Lead Engineer - QA Automation to drive quality assurance and testing excellence across a portfolio of internally developed and supplier-delivered applications. This is a leadership role responsible for defining QA strategy, establishing testing standards, governing quality outcomes, and championing automation across the software delivery lifecycle. You will act as the technical authority for testing, ensuring solutions meet functional, security, regulatory, and business requirements while supporting the adoption of modern engineering and DevOps practices. Key Responsibilities Define ...

SAP Technical Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day
Working alongside SAP delivery teams, you'll design and validate solutions that reduce effort, improve quality, and speed up delivery across integration design, build, testing, and deployment. This is an exciting opportunity for someone who combines deep SAP technical expertise with a passion for continuous improvement, automation, and emerging … leadership across SAP integration projects and initiatives. Design, prototype, and implement automation solutions that improve integration delivery. Identify opportunities to streamline SAP development, integration, testing, and deployment processes. Work closely with SAP delivery teams to ensure solutions are practical, scalable, and deliver measurable value. Lead technical proof-of-concepts ...

Performance Tester

Location
Greater London, England, United Kingdom
work on meaningful projects that deliver lasting impact 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. … 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 ...

Test Manager

Location
Greater London, England, United Kingdom
functional). The ideal candidate brings a test engineering mindset, promotes shift-left practices, drives automation adoption (including Playwright), and enhances quality through continuous testing and robust test governance. Key Responsibilities Define and own the end-to-end test strategy for Duck Creek or Guidewire upgrade programmes, aligned with … release plans, and business objectives. Lead test planning, estimation, and scheduling across distributed teams and workstreams to ensure timely delivery. Implement a risk-based testing approach; maintain a dynamic test risk register and ensure timely mitigation. Design and implement the automation strategy across UI and API layers, including ...

Automation Test Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £560/day
test automation using Playwright (primarily TypeScript/JavaScript) Create robust end-to-end test scenarios that reflect real business workflows Automate and validate API testing, including request/response testing Support enterprise application testing and confirm expected outcomes across features Integrate automated tests into CI/… pipelines to improve test speed and consistency Work with JSON, Git, and SQL to support testing and verification needs (Nice to have) Gain exposure to IBM Maximo environments and validate Maximo business processes What you'll bring: Strong experience in UI test automation with Playwright Hands-on capability with ...

Performance Tester - (Must hold Security Clearance)

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
outcomes. You understand and align with Solirius Reply ValuesThe 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. … 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 ...

Senior Quality Engineer with Java

Location
Greater London, England, United Kingdom
looking to make an impact at a global leader at the forefront of technological innovation? We are seeking an experienced professional to lead automation testing efforts, with a particular focus on backend and API testing, to join our dynamic team in London. About The Role … Quality Engineer, you will play a key role in enhancing our testing frameworks and processes. Your expertise in mobile automation—especially for iOS platforms—will help ensure the delivery of high-quality solutions that make a real difference worldwide. This hybrid role (office in central London) offers flexibility, combining ...

SAP Finance Tester

Location
Greater London, England, United Kingdom
expertise in SAP S/4HANA Finance modules and integration testing. The ideal candidate will have a solid understanding of financial processes, hands‐on testing experience in SAP environments, and the ability to work closely with cross-functional teams to ensure high-quality solution delivery. Key Responsibilities Perform functional … testing for SAP S/4HANA Finance modules, including integrations with various internal and external systems. Apply strong knowledge of financial business processes such as Financial Accounting (FI), Management Accounting (CO), Financial Planning & Analysis (FP&A), and Treasury Management. Execute end-to-end testing for implementations ...

QA Automation Engineer

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
fast-moving entrepreneurial environment. Main Responsibilities Duties will include: Work as an embedded member of the Scrum team, focused on quality and automated testing Hands-on experience developing and maintaining automated tests for back end services. Web based UI and mobile apps using appropriate tools such as Selenium … Browserstack. APIs Strong understanding of testing concepts/methodologies and processes such as Gopher/BDD Work closely with developers, PO, BAs and wider team to define and develop best possible test solutions Ensure defects are raised as per defect management process using Jira Develop and maintain automated functional ...

Programme Test Lead - Banking SaaS & AI-Driven Testing

Location
Greater London, England, United Kingdom
Lead for London on a 9 month contract, working 3 days per week in the office. The role will own the end-to-end testing strategy, assurance framework, and quality governance across a SaaS banking platform, while remaining hands-on with testing and tooling. You'll bring strong … experience in banking/regulated contexts, mobile app testing, API testing, AI-enabled testing approaches, and familiarity with Salesforce and MuleSoft. #J-18808-Ljbffr ...

Software Test Engineer

Location
City Of London, England, United Kingdom
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 … 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 ...

Lead QA Automation Engineer

Hiring Organisation
itecopeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550/day OUTSIDE IR35
from home. Flexibility is required to meet business needs. Our client is seeking a technically hands-on QA Automation Lead to take ownership of testing for an integration project, combining practical test delivery with strong supplier and stakeholder management. You will define the testing approach, establish test automation … frameworks and carry out testing across interconnected systems. Alongside this, you will liaise with up to 20 third parties and three external contractors, coordinating testing activity, challenging delivery quality and ensuring issues are resolved. The role Define and deliver the test strategy, plans and quality standards across internal ...

POS Test Engineer

Location
Greater London, England, United Kingdom
time for RI Tech as we are transitioning to microservices architecture and embracing a DevOps culture. We strive to continuously improve our development and testing processes to shorten feedback loops and maximise value. We are looking for an experienced test engineer to champion QA in one of our cross … will engage proactively with the team to understand business requirements, elaborate user stories and define acceptance criteria. You will plan, define and execute testing of all project deliveries; triage issues found and report on progress. As a champion of quality assurance, you will help align testing strategy ...

Senior Automation Tester

Location
Greater London, England, United Kingdom
Senior Automation TesterLocation: London, UKJob type: Contract- Hybrid 2 days onsiteDay Rate - 250 GBP/Day**Key Skills :**Java Selenium/playwright, Rest Assured, API Testing) , CICD Pipeline ( Gitlab, Jenkins), SQL, Leadership Skills### ### OverviewWe are seeking an experienced professional to join our team in a pivotal role … focused on automation testing. The ideal candidate will have a strong background in software testing with an emphasis on automation, ensuring the delivery of high-quality software solutions.### Key Responsibilities* Design and implement automated test scripts to ensure efficient and thorough testing of applications.* Collaborate with cross-functional ...

Senior Test Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £473/day
submission tool for external users, and a centralised datastore for all MEL data to support 20-30 years of programme delivery. Key skills Automated testing frameworks (Playwright/Jest) Data validation testing Load & performance testing for bulk uploads CI/CD pipeline testing SFIA Level … 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 team ...

Senior QA Automation Engineer - AI-Driven API & CI/CD

Location
City Of London, England, United Kingdom
Intercontinental Exchange Holdings, Inc. is seeking a QA Automation Engineer to contribute to the ICE Digital Trade Platform. The role focuses on test automation, API testing, client onboarding support, and production readiness within a fast-paced technology group. You’ll leverage JavaScript/TypeScript, Cypress, and various API … testing tools, while integrating AI-assisted QA approaches to improve coverage and efficiency. collaboration with project teams is essential. #J-18808-Ljbffr ...

Part-Time QA Engineer - Web & API Testing (Manual)

Location
Greater London, England, United Kingdom
meet high standards of quality and functionality, with a strong emphasis on manual testing. The ideal candidate has 5+ years of manual testing experience for web and mobile apps, hands-on API testing, database familiarity, CMS experience (DotCMS or similar), and excellent written and verbal communication #J ...

QA Automation Engineer - AI

Hiring Organisation
Anaplan
Location
London, UK
Employment Type
Full-time
pioneering a new role focused exclusively on quality assurance for GenAI/Agentic systems. As our QA Automation Engineer within 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 … reliable, accurate, and trustworthy. Your ImpactDevelop and execute end-to-end automated test coverage across evaluations, APIs, UIs, and performance tests using Python. Implement testing strategies for GenAI features, including conversational AI, agentic systems, and LLM-powered workflows within your workstream. Run and maintain automated test suites for prompt ...

Software Developer-Backend (SFIA4)

Location
Greater London, England, United Kingdom
/manager, UX designers, UX researchers, Developers, Platform engineers, etc Demonstrable experience working on continuous improvement environments doing multiple releases every week Coding and testing: Demonstrable experience designing, coding and debugging Golang based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring Boot … Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL and PostgreSQL including data modelling, SQL scripts, store procedures Shift to the left ...

Software Developer Backend (SFIA5)

Location
City Of London, England, United Kingdom
engineers, etc Demonstrable experience working on continuous improvement environments doing multiple releases every week Team leadership and mentoring experience Integrity/honesty Coding and testing Demonstrable experience designing, coding and debugging Java based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Java 8 Spring … Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL and PostgreSQL including data modelling, SQL scripts, store procedures Shift ...

Salesforce QA

Location
Greater London, England, United Kingdom
Experience: 10years****Location: London****Work mode: FTC-Hybrid-3days onsite****Job Description:**Responsible for the implementation, execution, and ongoing support of automated and manual testing, including preparation of test plans and testing of software and completion of testing according to PRS for Music’s testing guidelinesResponsible …/understanding of Object Orientated Programming and good coding principles. · Hands on experience with Salesforce, especially regarding data validation across integration environments. · Experience of API automation with RestSharp. · Strong knowledge of automation testing frameworks, specifically recent versions of Selenium Webdriver and Specflow. · Familiarity with Continuous Integration and Continuous ...

QA Engineer

Location
Greater London, England, United Kingdom
limited) As a QA Engineer you will be expected to work at one of our clients and perform high quality functional and non-functional testing on complex systems. You must be familiar with Agile practices and tools and able to work in fast paced CI/CD environment. … provide accurate updates on the progress and outcomes of testing. Responsibilities Perform functional and non-functional (performance, accessibility, security, operational/user acceptance) testing, working within an Agile team. Develop and maintain test automation solutions and scripts, promoting best practices within the development team Develop and maintain performance/ ...