API Testing Jobs in the UK

201 to 225 of 364 API Testing Jobs in the UK

Performance Tester

London Area, United Kingdom
psd group
basis for an initial 6 months, with a potential to extend further. About the Role Working within the Borders business unit, The ideal candidate will have experience in performance testing of UI, APIs, and messaging systems, with strong hands-on expertise in LoadRunner Suite, Azure/Jenkins pipelines, and Postman. This role will focus on ensuring the performance, scalability … applications. Key Duties: • Design and execute performance test plans for UI, APIs, and messaging systems • Use LoadRunner Suite and other tools to simulate load and analyse performance • Run performance testing pipelines using Azure DevOps or Jenkins • Use Postman for API validation as part of performance testing flows • Identify bottlenecks and diagnose performance issues in complex systems • Collaborate … analysis and improvement suggestions What we are looking for Required Skills and Experience: • Strong experience with LoadRunner Suite • Proficiency with Azure DevOps or Jenkins pipelines • Experience using Postman for API testing • Solid understanding of performance testing across UI, APIs, and messaging systems • Hands-on experience with Single Page Applications (Angular) • Skilled in performance issue diagnosis and troubleshooting More ❯
Posted:

Performance Tester

South East London, England, United Kingdom
psd group
basis for an initial 6 months, with a potential to extend further. About the Role Working within the Borders business unit, The ideal candidate will have experience in performance testing of UI, APIs, and messaging systems, with strong hands-on expertise in LoadRunner Suite, Azure/Jenkins pipelines, and Postman. This role will focus on ensuring the performance, scalability … applications. Key Duties: • Design and execute performance test plans for UI, APIs, and messaging systems • Use LoadRunner Suite and other tools to simulate load and analyse performance • Run performance testing pipelines using Azure DevOps or Jenkins • Use Postman for API validation as part of performance testing flows • Identify bottlenecks and diagnose performance issues in complex systems • Collaborate … analysis and improvement suggestions What we are looking for Required Skills and Experience: • Strong experience with LoadRunner Suite • Proficiency with Azure DevOps or Jenkins pipelines • Experience using Postman for API testing • Solid understanding of performance testing across UI, APIs, and messaging systems • Hands-on experience with Single Page Applications (Angular) • Skilled in performance issue diagnosis and troubleshooting More ❯
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Software Test Engineer

Bromley, England, United Kingdom
Ampstek
Direct message the job poster from Ampstek Interested in professional growth? Let's connect! RESPONSIBILITIES: Understand iPipeline processes and procedures used within Testing Develop and maintain an understanding of the functionality of SSG Create and execute test scripts appropriate to the methodology used in the project Record defects in the appropriate defect tracking software Participate in UAT, System Testing, Smoke Testing, Performance Testing, Integration Testing, Interface Testing and Regression Testing Support out of hours testing when required Create, execute and maintain automated tests Review test cases and scripts created by other members of the team Keep abreast of testing techniques and methodologies Skills: At least 3-4 years’ experience of Investment … Ability to build constructive working relationships with colleagues and other teams within iPipeline Ability to self-manage time and workload Excellent verbal and written communication skills Proven structured IT testing experience Hands-on with automated testing tools and techniques Basic understanding on SQLs Basic knowledge regarding API Testing Good understanding of Life and Pensions (New Business More ❯
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Quality Engineer

Telford, Shropshire, West Midlands, United Kingdom
Hybrid / WFH Options
SF Recruitment (Tech)
re working with a large-scale businesses sector programme, helping to grow a collaborative, engineering-led team at the forefront of digital transformation. If you're passionate about modern testing practices, automation, and working in fast-moving multidisciplinary teams - this is the role for you. What You'll Do: Be part of a collaborative Agile delivery team, working alongside … BAs, and product stakeholders. Own the quality assurance process - from understanding requirements through to delivery. Build and maintain automated test frameworks using modern BDD approaches (Cucumber, Gherkin). Conduct API testing, functional and non-functional testing, and support 3rd-party QA integration. Ensure test coverage across all stages of the SDLC in a Java-based, cloud-hosted … environment. What We're Looking For: 5+ years' experience in testing or quality engineering roles. Hands-on expertise with: Test automation tools (e.g., Cucumber, JUnit) API testing (Postman or similar) Version control systems (e.g., Git) Strong understanding of Agile delivery and test-first principles. Ability to write and implement BDD scenarios (Gherkin) and collaborate with developers on More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Senior Test Analyst

London, United Kingdom
Identity E2E Ltd
Senior Test Analyst Department: QAT Testing Employment Type: Permanent Location: London Compensation: £64,000/year Description Role: Senior Test Analyst Salary: £64,000 Working Structure: Hybrid (Mostly from home/Croydon) Clearance: SC Active/Eligible We are seeking a highly skilled and experienced Senior Test Analyst to join our dynamic team. This role is crucial for ensuring … working with cloud environments. Exceptional communication and collaboration skills are essential to facilitate effective teamwork and achieve project goals. Key Responsibilities Support the planning, design, and execution of functional testing to support software and system development, with a strong focus on cloud-based services. Input into testing timelines, and communicate testing progress and results effectively to both … technical and non-technical stakeholders. Undertake audits of third-party suppliers testing to ensure quality and exercise definition of done as SIT quality gate. Lead the analysis on complex testing issues , including cross systems issues. Develop and maintain detailed integration test plans and scenarios for complex software applications involving multiple systems, including cloud platforms. Conduct UI, API More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Test Engineer

London, England, United Kingdom
Synergy Solutions International Limited
Apply for this position Quality 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, Mantis) to track the defects … to the dev team; MS 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 to test the API; Responsibilities · Analyse requirements and prepare a query list. If requirements are incomplete, they need to ask meaningful questions that will yield more information and help perform testing effectively; Write and execute test cases to find system bugs like UI and usability issues, etc. Provide inputs on high-level test scenarios, challenges, risks, resources, test estimates, etc., during test More ❯
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QA Engineer

London, United Kingdom
Blockdaemon
of required testing. Provide brief daily status to the engineering team. Integrate automation and functional QA tools. Create automated tests. Document automation process and tools. Create Load and Stress testing plans and run them regularly. Perform other duties as assigned. Role Requirements Minimum of 3 years of experience creating, maintaining, and executing system and API test automation. Familiarity … and manage test cases. Must have experience identifying and reporting issues and using defect-tracking tools. Background in creating and executing functional, regression, and integration tests. Disciplined approach to testing and defect reporting. Familiar with Quality Assurance methodologies and processes. Strong understanding of the SDLC. Must be able to interact effectively with members of the test, development, and support … detail-oriented, able to demonstrate a history of initiative, and have strong interpersonal skills. Nice-to-Haves Experience with Blockchain technology. JavaScript. Golang, Python, or a similar programming language. API testing. CLI and logging tools. Testing web applications on multiple browsers. Direct experience testing software on mobile devices - Android and iOS. Experience working in a SCRUM/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Full Stack Engineer

London, United Kingdom
Nika O
responsible for the entire development process of websites and applications, from the front end to the back end. They work on all aspects of the project, including design, development, testing, and troubleshooting: Design: Create user interfaces and design tools for systems Development: Contribute to both front-end and back-end development processes Testing: Perform tests, troubleshoot software, and … AWS or similar .NET C# (legacy and latest Core frameworks) Understanding of data modelling and database design SQL Server 2022 & Managed SQL Instances, T-SQL & Stored Procedures Postman Automated API Testing RESTful web services Knowledge and experience of working within the financial services sector Understanding of source control processes Understanding of defect management processes and tracking systems Knowledge More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Quality Assurance Engineer

Northampton, England, United Kingdom
Hybrid / WFH Options
Logistex
additional annual leave Private medical insurance options What will you be doing as a QA Engineer? As a QA Engineer , you will play a critical role in the independent testing of all software developed by the Logistex Systems Software Team. You will help ensure quality, reliability, and performance across all releases. What will your key responsibilities be? Design, write … and execute test plans and test cases Perform functional, regression, integration, and performance testing Create and maintain test data and environments Collaborate with developers and stakeholders to ensure requirements are fully understood and tested Assist with the selection and use of appropriate automation tools and frameworks Document and report defects clearly and work with the team to resolve issues … What are we looking for? Minimum of 2 years’ experience in software testing or QA Experience in WMS, WES and/or WCS applications is desirable Solid understanding of testing processes, tools, and methodologies Experience with API testing tools (e.g. SOAP-UI, REST) Familiarity with automated testing tools (e.g. Selenium, Postman, Jenkins) What are you More ❯
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Contract Test Analyst

Bristol, England, United Kingdom
iO Associates
talent thrives and innovation flourishes in Defense, Nuclear, Marine, Civil and more. They are seeking a contractual Security Cleared Test Analyst with significant experience in functional and non-functional testing, with the ability to interact with Business Analysts, Developers, Project Managers, and other Testers. They are seeking a highly skilled and experienced Software Tester to support the Royal Navy … s IT systems and guarantee timely software deliveries and quality assurance. Skills Required: Active Security Clearance (SC). Experience with Automation testing Selenium, with Test Rails, Azure DevOps, Defect Management, SQL skills. API Testing, Backend Testing, Performance Testing. With a legacy of impactful contributions, it remains a pivotal force in engineering and support services on an More ❯
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Junior QA Engineer

Islington, England, United Kingdom
Futureheads
the team. What makes this role stand out? Be part of a team that values curiosity, attention to detail, and continuous improvement. Gain hands-on experience with UI and API testing using tools like Playwright and Postman. Learn and grow your technical skills with exposure to PHP, JavaScript, and SQL. Get involved in test automation and help shape … the team’s approach to quality. Collaborate closely with engineers, designers, and product managers in an agile environment. Opportunity to explore mobile app testing (Flutter/Dart), web security, performance testing, and more. We’re looking for someone with: A keen eye for detail and a curious mindset Some experience with UI/API testing and … Basic familiarity with PHP or JavaScript, and the ability to write simple SQL queries An interest in automation, quality assurance, and continuous improvement Bonus points for exposure to mobile testing, web security tools, or test management platforms like Xray! Role is 4 days P/W in Central London£30-35k salary plus extensive benefits.No sponsorship is available More ❯
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Technical Business Analyst Engineering · Central London · Hybrid Remote

London, England, United Kingdom
Hybrid / WFH Options
Aqovia UK Limited
fast-paced development teams for our own products and/or client projects. As a Technical Business Analyst you will be working on our consulting projects, primarily designing RESTful API services. Here's what you'll do: Capture and curate business requirements and system documentation in JIRA/Confluence as user stories, API design, API enhancements Write … estimate-able user stories, in JIRA, for developers including acceptance criteria Design RESTful web APIs for new and existing products in an API first context, in accordance with strategic guidance provided by the technical architect. Collaborate with engineering team members and business stakeholders to: Design RESTful web APIs Design Data Models Design event-driven processes in a distributed systems … micro-services) Specify contracts for messaging and web services, primarily using JSON Schema and Open API Specification (Swagger), respectively. Validate/verify APIs by creating requests and asserting responses in Postman. Document processes and data models, primarily using BPMN Define acceptance test scenarios in a DSL, such as Gherkin and generate test data sets Support product owners and QA More ❯
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Senior Quality Assurance Engineer

London Area, United Kingdom
La Fosse
Senior Automation Tester with a passion for agile delivery, test automation, and driving continuous improvement in quality engineering. You will need test automation experience with Selenium and C# and API testing experience Key requirements: Lead and implement test strategies across Agile teams Drive test automation using Selenium with C# or .net and BDD (SpecFlow) Develop and maintain robust … API automation frameworks Design and manage Selenium Grid implementations This will be a two stage interview process - Interviews will commence next week onwards. First stage = Technical Interview Second stage = Competency Interview This role will be a July start. If this is of interest please click the link or email me directly mohima.ali@lafosse.com More ❯
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Senior Quality Assurance Engineer

City of London, London, United Kingdom
La Fosse
Senior Automation Tester with a passion for agile delivery, test automation, and driving continuous improvement in quality engineering. You will need test automation experience with Selenium and C# and API testing experience Key requirements: Lead and implement test strategies across Agile teams Drive test automation using Selenium with C# or .net and BDD (SpecFlow) Develop and maintain robust … API automation frameworks Design and manage Selenium Grid implementations This will be a two stage interview process - Interviews will commence next week onwards. First stage = Technical Interview Second stage = Competency Interview This role will be a July start. If this is of interest please click the link or email me directly mohima.ali@lafosse.com More ❯
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Automation Tester - HO

Leeds, United Kingdom
Hybrid / WFH Options
BAE Systems (New)
to support product and project development, working alongside developers and platform engineers to influence design and integrate tests into Continuous Delivery pipelines. You will have the opportunity to influence testing approaches and tools. Analyze test requirements, design reusable test scripts, and specify environment, data, and tool needs. Overcome development obstacles to deliver quality testing on time. Review peer … functional, performance, and security test scripts. Analyze requirements for test automation, design technical solutions, and review scope and execution of unit and integration tests. Collaborate with engineers to clarify testing of their work. Perform exploratory testing when scripted testing is inadequate. Your skills and experiences Knowledge of API Testing (REST Assured). Experience with automated … test tools such as Selenium WebDriver or Cucumber. Proficiency in Java. Experience testing UI and large data sets. Understanding of microservices architecture. Other desirable skills Kubernetes, Kafka, BDD/TDD tools, accessibility standards, AWS, Postgres. Benefits Competitive pension, employee share plans, flexible health and lifestyle benefits, private health plans, shopping discounts, and potential annual incentives. Why BAE Systems? Join More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer

London, England, United Kingdom
Nika O
responsible for the entire development process of websites and applications, from the front end to the back end. They work on all aspects of the project, including design, development, testing, and troubleshooting. Responsibilities Design: Create user interfaces and design tools for systems Development: Contribute to both front-end and back-end development processes Testing: Perform tests, troubleshoot software … AWS or similar .NET C# (legacy and latest Core frameworks) Understanding of data modelling and database design SQL Server 2022 & Managed SQL Instances, T-SQL & Stored Procedures Postman Automated API Testing RESTful web services Knowledge and experience of working within the financial services sector Understanding of source control processes Understanding of defect management processes and tracking systems Knowledge … skills, both verbal and written, and must be comfortable delivering presentations and facilitating workshops Key Accountability Participate in all phases of the software development life cycle including design, development, testing, implementation, and support Design and develop solutions using primarily .NET, C#, and SQL Server Work with SMEs, Business Analysts, and Solution Architects to understand functional & non-functional requirements and More ❯
Posted:

Embedded QA Test Engineer

London, United Kingdom
Hybrid / WFH Options
Capgemini
identity, nationality (single or dual) or immigration status, employment history going back 3 continuous years, unspent criminal record check (known as Disclosure and Barring Service). Your role IoT Testing ensuring the device connectivity and security. Your skills and experience Candidate should have 5 8 years experience in QA testing role in embedded and IoT products. Understanding embedded … systems, IoT protocols (MQTT, CoAP, HTTP), and cloud integration. Testing hardware, firmware, and performance of IoT devices. Verifying communication protocols (Wi-Fi, Zigbee, Bluetooth) and network coverage. Ensuring secure authentication, data encryption, and penetration testing for IoT devices. Conducting security tests on IoT devices, ensuring data privacy and vulnerability assessments. Verifying data integrity, synchronization, and handling of big … data in IoT systems. Knowledge of writing & automating IoT testing scripts and integrating with CI/CD pipelines (optional). Knowledge of cloud platforms like AWS IoT, Azure IoT for cloud-IoT device integration. Worked in agile teams, understand agile methodologies and proficient in JIRA and defect lifecycle management. Perform manual test execution and API testing for More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Embedded QA Test Engineer

London, England, United Kingdom
Hybrid / WFH Options
Capgemini
nationality (single or dual) or immigration status, employment history going back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service). Your role IoT Testing ensuring the device connectivity and security. We value diversity and inclusion at Capgemini. We have built an inclusive and welcoming environment, for everyone. We have a number of networks … you can join, including our Women in Engineering employee network group. These networks support our community every day. Your skills and experience • 5 to 8 years experience in QA testing role in embedded and IoT products. • Understanding embedded systems, IoT protocols (MQTT, CoAP, HTTP), and cloud integration. • Testing hardware, firmware, and performance of IoT devices. • Verifying communication protocols … Wi-Fi, Zigbee, Bluetooth) and network coverage. • Ensuring secure authentication, data encryption, and penetration testing for IoT devices. • Conducting security tests on IoT devices, ensuring data privacy and vulnerability assessments. • Verifying data integrity, synchronization, and handling of big data in IoT systems. • Knowledge of writing & automating IoT testing scripts and integrating with CI/CD pipelines (optional). More ❯
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Customs Freight Test Analyst

Ashford, England, United Kingdom
Hybrid / WFH Options
Vzw Miss Unique
detail and good problem analysis skills. Enthusiasm and willingness to accept new challenges. Nice to Have Candidates with the following will have an advantage: Previous experience in QA or testing roles. Familiarity with Agile methodologies or Scrum. Knowledge of Windows applications and Microsoft Office. ISTQB/ISEB Certification or equivalent. Experience with Azure DevOps. Experience with test environments, VMs … SQL, API testing tools. Experience with CI/CD processes. Web front-end testing experience. We value the right mindset over perfect experience; industry knowledge and a passion for quality are key! Additional Details Seniority level: Entry level Employment type: Full-time Job function: Quality Assurance #J-18808-Ljbffr More ❯
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Customs Freight Test Analyst

Ashford, Surrey, South East, United Kingdom
Hybrid / WFH Options
Divalentinecalver Recruitment Ltd
You must also be enthusiastic and be willing to accept new challenges. Nice to haves Candidates with the following will have an advantage: Previous experience in a QA or testing role. Familiarity with Agile methodologies or experience working in a Scrum team. Be familiar with Windows, Windows applications and Microsoft Office products. ISTQB/ISEB Certified Tester or Qualifications … or equivalent. Experience with Azure DevOps. Experience with differing test environments/VMs/SQL/API testing tools. CI/CD Testing web front ends. We value the right mindset over perfect experienceif you bring industry knowledge and a passion for quality, well help you build the rest More ❯
Employment Type: Permanent, Work From Home
Salary: £45,000
Posted:

Customs Freight Test Analyst

Ashford, England, United Kingdom
Hybrid / WFH Options
Divalentinecalver Recruitment Ltd
must also be enthusiastic and be willing to accept new challenges. Nice to have’s Candidates with the following will have an advantage: Previous experience in a QA or testing role. Familiarity with Agile methodologies or experience working in a Scrum team. Be familiar with Windows, Windows applications and Microsoft Office products. ISTQB/ISEB Certified Tester or Qualifications … or equivalent. Experience with Azure DevOps. Experience with differing test environments/VM’s/SQL/API testing tools. CI/CD Testing web front ends. We value the right mindset over perfect experience—if you bring industry knowledge and a passion for quality, we’ll help you build the rest! #J-18808-Ljbffr More ❯
Posted:

Automation Tester - HO

Leeds, United Kingdom
Hybrid / WFH Options
BAE Systems Applied Intelligence
direction of automated testing. Analyzing test requirements, designing and producing reusable test scripts and specifying requirements for environments, data and test tools required Overcoming development obstacles to deliver quality testing on time Reviewing test artefacts produced by peers Reviewing test results and modifying the test suite as necessary Defining and creating test cases from the analysis of non-functional … describe how their work will be, or has been, tested such that the Software Engineers gain insight into the tester's interpretation of the requirements Executing Session-based (Exploratory) Testing where scripted testing is inappropriate or requires augmentation Your skills and experiences Knowledge of API Testing (REST Assured) Knowledge of at least one automated test tool … preferably Selenium WebDriver or Cucumber) REST assured Microservices Experience testing both UI and large data sets Other Desirable Skills (not Mandatory) to which we would be happy to upskill if candidate is keen to learn: Kafka Familiarity with BDD and TDD tools Awareness of accessibility standards AWS As well as a competitive pension scheme, BAE also offers employee share More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior QA Engineer

Cambridge, England, United Kingdom
Hybrid / WFH Options
Rocket Lab
be working to ensure that our platform and analytics are accurate, scalable and reliable for our customers. You will be responsible to advising our software and modelling teams on testing best practices, maintaining our test automation suites, and helping define our test strategy. You love getting into the details of complex applications, data-sets and numerical calculations, and finding … miss. You will enjoy collaborating closely with the product design and customer facing teams on our mission to help our customers to tackle climate change. Essential Skills Experience with testing web applications with numerical functionality, collaborating with Product to create testable acceptance criteria and with engineering to implement tests. Experience of test automation and reporting for UI testing, API testing and code level testing. Experience developing test strategies for complex algorithms, data assets and UX flows, and mapping test cases against business requirements to provide coverage. Experience of Python, Javascript and SQL. Desired Skills Experience of working with complex scientific or financial data-sets and analytics Experience of managing Playwrite or a similar test automation More ❯
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Junior Functional QA Tester

London, United Kingdom
Hybrid / WFH Options
One World Global Trade Management Limited
a crucial role in safeguarding the quality and reliability of our cutting-edge low-code/no-code supply chain platform. Your attention to detail and structured approach to testing will help ensure that our platform delivers intuitive, error-free experiences for users - from logistics managers to sustainability analysts - across complex global supply chains. In this role, you'll … Execute manual tests to validate business rules, workflows, and usability across low-code configurations. Contribute to regression, smoke, and exploratory testing to ensure consistent platform stability. Create, maintain, and manage manual test scripts for consistent execution and test reliability. Collaborate closely with engineers, business architects, and technologists to define clear acceptance criteria and support Agile sprint activities. Detect, document … and track software defects clearly, contributing to continuous improvement and detailed release notes. Offer usability insights that inform better platform design, based on your testing outcomes and user empathy. Support the team in automating tests, managing automated test scripts, and iterating testing processes for scale and sustainability. By identifying issues before they affect real-world operations, you'll More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Freelance Senior Software Engineer - £day rate (outside IR35) London

London, England, United Kingdom
Red Badger Consulting Limited
code (e.g. Terraform, Pulumi) CI/CD pipelines (e.g Jenkins, CircleCI, Github Actions, etc.) Effective source-control management using Git Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing Working with lean and agile practices (e.g. Kanban, Scrum, etc.) Collaborating in cross-functional teams It’d be amazing More ❯
Posted:
API Testing
10th Percentile
£38,000
25th Percentile
£41,250
Median
£49,000
75th Percentile
£61,926
90th Percentile
£67,750