1 to 25 of 176 API Testing Jobs

Senior QAT (Quality Assurance Tester)

Location
Bridgend, Wales, United Kingdom
committed to building inclusive, diverse teams that reflect the communities we serve. Overview We are seeking an experienced Senior Quality Assurance Tester to lead testing strategy and execution for a Generative AI platform for a UK government department. This role goes beyond traditional functional QA. It includes evaluating … output quality (answer accuracy, retrieval relevance, hallucination rate) alongside conventional API, integration and non-functional testing. Key Responsibilities Define and own the test strategy across functional, non-functional and AI-specific quality dimensions (answer quality, retrieval accuracy, hallucination rate), covering RAG pipelines, prompt templates and Agentic workflows. AI Output ...

Senior QAT (Quality Assurance Tester)

Location
Newcastle upon Tyne, England, United Kingdom
committed to building inclusive, diverse teams that reflect the communities we serve. Overview We are seeking an experienced Senior Quality Assurance Tester to lead testing strategy and execution for a Generative AI platform for a UK government department. This role goes beyond traditional functional QA. It includes evaluating … output quality (answer accuracy, retrieval relevance, hallucination rate) alongside conventional API, integration and non-functional testing. Key Responsibilities Define and own the test strategy across functional, non-functional and AI-specific quality dimensions (answer quality, retrieval accuracy, hallucination rate), covering RAG pipelines, prompt templates and Agentic workflows. AI Output ...

OUTSOURCED

Location
Greater London, England, United Kingdom
seeking an experienced ATM Testing Analyst with strong expertise in ATM/Card Payment Systems, End-to-End Testing, Test Automation, and Scheme Processing . The ideal candidate will be responsible for designing and executing comprehensive testing strategies across ATM platforms, payment schemes, authorization, clearing, settlement, dispute … Responsibilities Develop and execute Test Plans, Test Strategies, Test Scenarios, and Test Cases for ATM and Cards applications. Perform End-to-End (E2E) testing across ATM transactions, card processing, cheque deposit workflows, and payment systems. Design, develop, and maintain manual and automated test scripts . Prepare and manage test ...

Senior Full Stack Developer .Net & React/Typescript

Hiring Organisation
Computer Futures
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
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. ...

Head of QA

Location
Greater London, England, United Kingdom
focus will be strengthening quality throughout the software development life cycle, reducing defects reaching production and moving away from a reliance on manual regression testing towards a more automated and scalable approach. You'll be responsible for: Defining and driving the QA and test automation strategy Establishing quality standards … across engineering teams Leading QA through a matrix management model, influencing teams Improving and expanding existing test automation Reducing reliance on manual regression testing Ensuring software releases demonstrably meet agreed quality standards Reviewing how developers, QAs and API teams approach testing Embedding quality throughout the Agile software ...

Automation Engineer (Back 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 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

Location
Greater London, England, United Kingdom
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 ...

Atm Testing Analyst

Location
Milton Keynes, England, United Kingdom
Role Summary Seeking an experienced ATM Testing Analyst with expertise in ATM/Card Payment Systems, End-to-End Testing, Test Automation, Scheme Processing, and ATM hardware integrations. Key Responsibilities Develop Test Plans, Test Strategies, Scenarios, and Test Cases. Execute End-to-End testing across … Enquiries PIN Services Cheque Deposits Troubleshoot ATM hardware issues across: NCR Wincor Diebold Nixdorf Validate EMV transactions. Support Authorization, Clearing, and Settlement testing. Conduct API testing using Postman. Track defects using JIRA. Support CI/CD and continuous testing initiatives. Required Skills ATM & Cards ATM Ecosystem Knowledge ...

Test Automation Engineer

Location
City of Westminster, England, United Kingdom
existing solution is being migrated to the MARS platform . Backend: Java Frontend: JavaScript and React Role & Responsibilities Perform both manual and automated testing , with a strong focus on test automation. Develop and maintain automated UI tests using Cypress (JavaScript) . Perform API testing using Postman collections … executed through Newman in the CI/CD pipeline. Evaluate opportunities to consolidate UI and API testing into a single automation framework . Build and maintain test automation frameworks from the ground up. Identify gaps in the existing testing approach and establish appropriate testing processes ...

Test Engineer

Hiring Organisation
Opus Recruitment Solutions
Location
Bedfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
seeking an experienced Test Engineer to join a fast-paced Agile delivery team working on mobile and operational platforms. This is a hands-on testing role focused on ensuring high-quality releases through functional, integration, regression, end-to-end, API, and data testing activities. You'll work … Responsibilities Design, execute, and maintain functional, integration, regression, and end-to-end test scenarios. Validate user stories, business processes, and operational workflows. Perform testing on real mobile/handheld devices. Conduct API testing using tools such as Postman. Validate system and application data using SQL queries. Raise ...

Test Engineer, Cloud & Data

Hiring Organisation
Response Informatics
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Salary
£65,000
Data Key Responsibilities Design, develop, and execute comprehensive test strategies for cloud-native data platforms. Build and maintain automated test frameworks for platform, integration, API, and end-to-end testing. Validate platform functionality across cloud services, infrastructure, data pipelines, and application integrations. Develop automated tests for deployment pipelines, infrastructure … consumption processes within the Corporate Lakehouse ecosystem. Collaborate with Software Engineers, Platform Engineers, Data Engineers, Product Owners, and DevOps teams. Perform non-functional testing including performance, resilience, failover, recovery, and security testing. Support CI/CD implementation by integrating automated testing within deployment pipelines. Contribute to quality engineering ...

Software Quality Engineer | Automation

Location
United Kingdom
within a collaborative and multidisciplinary environment. The role will focus primarily on test automation, while also requiring hands-on participation in manual and functional testing activities. The ideal candidate combines strong automation engineering expertise with solid QA fundamentals, the ability to design and maintain testing frameworks, and practical … experience leveraging AI-assisted tools to improve testing efficiency and software quality. This position requires close collaboration with software engineers and QA peers throughout the development lifecycle, contributing to test strategy, automation coverage, defect prevention, and a shared ownership culture for product quality. You’ll be doing: Design, develop ...

QA Analyst

Location
Queen's Island, Northern Ireland, United Kingdom
analysts, developers, stakeholders, and third-party suppliers to deliver a seamless customer experience. If you thrive in fast-paced environments and enjoy owning the testing lifecycle from planning through to release, we'd love to hear from you. Whats in it for you? Work on a large-scale website … digital transformation programme Take ownership of end-to-end testing activities with real business impact Collaborate with cross-functional teams, business stakeholders and delivery partners Exposure to modern CMS technologies, accessibility testing and digital best practices Opportunity to influence quality processes and user experience outcomes Join a supportive ...

Senior QA Analyst

Location
Queen's Island, Northern Ireland, United Kingdom
Overview We are 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. Responsibilities Plan, design … 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 ...

Automation Tester

Location
Manchester, England, United Kingdom
Help Qepos build reliable EPOS, web and business software by designing strong automated testing coverage across real customer workflows. The Automation Tester will be responsible for designing, developing and maintaining automated testing solutions for the company's EPOS software and associated applications. The role will help ensure that … improve test coverage and support the controlled release of reliable software to customers. Main Responsibilities Design, develop and maintain automated test scripts and reusable testing frameworks for QEPOS's EPOS software, web applications and related systems. Automate functional, regression, integration, system and end-to-end testing across relevant ...

AWS Technical Test Engineer - SC Cleared - Outside IR35

Hiring Organisation
NSD
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract
Automation position requires the candidates to work on client site in Newcastle 2 days a month. Skilled AWS Technical Test Engineer to work on testing across an extensive AWS tech stack. Should be confident in working independently, diagnosing technical issues, and efficiently troubleshooting complex problems. This role involves both … manual and potential automation testing, with a strong focus on test planning, cloud infrastructure validation, and client interaction. Key Responsibilities Conduct technical testing on AWS services using Databricks, Quantexa, Tableau, and Iron Mountain. Perform manual testing across AWS components, including S3, CloudWatch, VPC, Lambda, Athena ...

Test Engineer

Location
Ampthill, England, United Kingdom
seeking an experienced Test Engineer to join a fast-paced Agile delivery team working on mobile and operational platforms. This is a hands-on testing role focused on ensuring high-quality releases through functional, integration, regression, end-to-end, API, and data testing activities. You'll work … Responsibilities Design, execute, and maintain functional, integration, regression, and end-to-end test scenarios. Validate user stories, business processes, and operational workflows. Perform testing on real mobile/handheld devices. Conduct API testing using tools such as Postman. Validate system and application data using SQL queries. Raise ...

Test Automation Engineer

Location
United Kingdom
using Artificial Intelligence (AI) to accelerate software testing. At Klipboard, we are evolving how we develop and deliver software, embracing AI-assisted engineering, automated testing and Continuous Delivery to improve quality and increase delivery velocity. The successful candidate will be comfortable using modern AI development tools to generate, refine … maintain automated tests for complex web applications. They will combine sound testing principles with an engineering mindset, ensuring that automation provides meaningful validation of product functionality and customer workflows. This role is particularly suited to someone who enjoys exploring new technologies, challenging traditional testing approaches and finding more ...

Test Automation Engineer

Location
Hungerford, England, United Kingdom
using Artificial Intelligence (AI) to accelerate software testing. At Klipboard, we are evolving how we develop and deliver software, embracing AI-assisted engineering, automated testing and Continuous Delivery to improve quality and increase delivery velocity. The successful candidate will be comfortable using modern AI development tools to generate, refine … maintain automated tests for complex web applications. They will combine sound testing principles with an engineering mindset, ensuring that automation provides meaningful validation of product functionality and customer workflows. This role is particularly suited to someone who enjoys exploring new technologies, challenging traditional testing approaches and finding more ...

Test Analyst

Location
City Of London, England, United Kingdom
testing. Analyse business requirements and user stories to ensure appropriate test coverage. Identify, document, track and retest defects throughout the testing lifecycle. Support System Integration Testing (SIT), User Acceptance Testing (UAT) and Operational Acceptance Testing (OAT). Validate system interfaces, APIs, databases and data integrations. Prepare … test data and support test environment management. Collaborate with developers, business analysts and stakeholders to resolve defects. Produce test execution reports, defect metrics and testing dashboards. Support test automation, release management and continuous improvement activities. Required Skills and Experience Proven experience as a Software Tester, Test Analyst ...

Development Team Lead(.NET)

Location
Greater London, England, United Kingdom
microservices, and Azure-native architectures.**Key Responsibilities****Technical Leadership*** Lead the design and development of applications using **C#, VB.NET**, ASP.NET Core, ASP.NET MVC, Web API, LINQ, and related .NET technologies.* Guide modernization of legacy **VB.NET, WCF, and .NET Framework applications and services** into modern **C#, ASP.NET Core, and .NET … 8+ API architectures** where appropriate.* Define and lead migration strategies for legacy **WCF/SOAP services**, including service decomposition, API design, security modernization, backward compatibility, and transition to RESTful and event-driven architectures.* Provide technical leadership for both the ongoing enhancement of existing WCF-based applications ...

Senior Quality Engineer

Location
Skipton, England, United Kingdom
Senior Quality Engineer to help shape how we build quality into everything we deliver. If you're passionate about modern engineering practices, automation, API testing, non-functional testing, and embedding quality throughout the software delivery lifecycle, this is an opportunity to make a real impact across … software. As a senior member of the Quality Engineering community, you'll also provide technical leadership, mentoring, and guidance to colleagues, helping to shape testing strategies, grow engineering capability, and drive continuous improvement across our products and platforms, tooling, and ways of working. At Skipton, we're founded ...