26 to 46 of 46 API Testing Jobs in the UK excluding London

complex applications Build automation tools and enhance framework capabilities to meet evolving project requirements Implement and maintain automation and performance monitoring processes Contribute to the definition of automation and testing best practices across teams Collaborate closely with developers, QA specialists, and delivery teams to ensure effective automation coverage Support performance test investigations and coordinate resolution efforts across teams Key … understanding of QA processes and the software development lifecycle Proven experience designing and implementing automation frameworks from scratch Proficiency in Java and JavaScript (3+ years) Hands-on experience with API testing tools such as RestAssured or SoapUI Experience implementing contract testing solutions (e.g., PACT) Familiarity with CI/CD tools such as Jenkins, GitLab CI, or similar … Experience testing microservices and containerised applications (e.g., Docker, Kubernetes) Working knowledge of cloud environments (AWS or Azure) Understanding of accessibility testing standards Experience using tools such as Jira and Confluence for documentation and test management More ❯

executing test plans and scripts to ensure software performs as intended. Identifying, documenting, and tracking bugs, working closely with developers to see issues through to resolution. Carrying out regression testing to ensure fixes don't impact existing functionality. Collaborating across QA and development teams to continuously improve quality standards. Testing APIs using tools like Postman and contributing to … best practices in this space. Providing feedback to enhance software usability and overall user experience. What we're looking for: Previous experience in manual software testing or quality assurance roles. Strong understanding of testing methodologies, test case design, and execution. Experience using API testing tools (e.g., Postman). Detail-oriented, with excellent problem-solving and communication … frameworks. Experience with Jira and Xray for managing test cases and executions. Knowledge of Agile/Scrum development methodologies. Why apply? Career growth - while the role starts in manual testing, you'll have the chance to learn and move into automation. Brilliant working environment - modern offices designed for collaboration, not isolation. Rewards - competitive salary (£35k-£45k), company bonus scheme More ❯

SAFe TestDriven Development TDD Behavior Driven Development BDD and Waterfall Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools Experienced in continuous integration CI continuous deployment CD and continuous testing CT including tools such as Jenkins Rally … and or JIRA and version control such as GIT or SVN Responsibilities Responsible for all testing activities aligned to the portfolio and collaborates with all stakeholders to achieve high quality deliverables Collaborates with development teams and product teams to drive improvements in overall quality automation and testing processes and techniques Implementing portfolio solutions for Automation and Testing and have a Devops mindset Understand platforms and applications adhere to program test principles exception testing which pertains to global functionality keeping test suites lean Fully understands the platform roadmap and quality priorities to proactively envision scalable resilient high performing solutions able to identify reusability at platform level and drive the tooling and overall delivery strategy to stay More ❯

SAFe TestDriven Development TDD Behavior Driven Development BDD and Waterfall Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools Experienced in continuous integration CI continuous deployment CD and continuous testing CT including tools such as Jenkins Rally … and or JIRA and version control such as GIT or SVN Responsibilities Responsible for all testing activities aligned to the portfolio and collaborates with all stakeholders to achieve high quality deliverables Collaborates with development teams and product teams to drive improvements in overall quality automation and testing processes and techniques Implementing portfolio solutions for Automation and Testing and have a Devops mindset Understand platforms and applications adhere to program test principles exception testing which pertains to global functionality keeping test suites lean Fully understands the platform roadmap and quality priorities to proactively envision scalable resilient high performing solutions able to identify reusability at platform level and drive the tooling and overall delivery strategy to stay More ❯

various components and troubleshoot/debug applications to ensure smooth operation. Mentor and guide junior developers in coding standards, version control using GitHub, and code tracking. Automation: using Unit Testing and API Testing Qualifications: At least 5+ years of experience in software development, with a focus on Python and web frameworks. Strong understanding of front-end technologies More ❯

team of QA engineers and play a central part in ensuring the quality, accuracy, and performance of our data-driven products. Main Duties and Responsibilities Lead and execute automation testing for critical Research initiatives Manage, mentor, and support the growth of QA engineers (manual and automation) Conduct regular 1:1s, performance reviews, and career development planning Champion a culture … of quality, ownership, and continuous improvement Oversee and enhance onboarding processes for new QA team members Skills and Experience Strong experience in manual and automated testing of web and mobile applications.Proficient in automation frameworks (e.g., Selenium, Cypress, Playwright, Appium). Experience with API testing tools (e.g., Postman, REST-assured). Strong working knowledge on CI/CD More ❯

QA Test Engineer/Technical Lead (C# Postman API SaaS) WFH to £65k Do you have experience of testing complex C# backend systems combined with technical leadership skills? You could be progressing your career as a QA Test Engineer/Technical Lead, at a scaling tech company. As a QA Test Engineer/Technical Lead you will join … Agile ceremonies working in 2 week Sprints, across the full development lifecycle and collaborating with software engineers to guide and influence them to achieve increased levels of quality and testing best practice. WFH Policy: You can work from home on a fulltime basis but must be UK based and happy to meet up with colleagues once a quarter. About … you: You have strong QA testing experience on complex backend systems, both manual and automation You have strong API testing experience, ideally with Postman You have experience of providing technical leadership for test automation You have a good understanding of C#, with basic coding skills and experience of testing backend systems You have experience of working More ❯

native services and public APIs that underpin enterprise-scale AI systems. You’ll work in a fast-paced Scrum team alongside developers, architects, and data scientists to build automated testing frameworks, AI evaluation tools, and validation strategies. If you thrive on experimentation, problem-solving, and building robust systems that scale, this is the opportunity for you. Key Responsibilities Test … hooks in collaboration with engineering teams. Ensure compliance with AI regulations and standards such as NIST AI RMF and the EU AI Act . Conduct threat modelling and security testing for APIs and AI services. Provide early feedback to improve design and reduce defects. Mentor junior engineers and contribute to a culture of innovation and continuous improvement. Skills & Experience … 12+ years in software testing and validation for cloud-native applications using Microsoft and .NET . Expertise in automated testing frameworks such as Selenium , Postman , JMeter , or custom-built solutions. Hands-on experience with Azure DevOps , CI/CD pipelines , and containerized environments ( Docker , Kubernetes ). Strong knowledge of API testing , performance profiling, and security practices More ❯

are scaling their technical teams ? Do you love problem-solving, have high attention to detail & are looking for the career opportunity to progress skills in mobile/web & software testing in a technical environment? You will work closely with the Test Lead & cross-functional teams, including developers, product managers, and UI designers, to clarify requirements, identify risks, and ensure … Basic + Benefits package (25 days holiday, private health, pension scheme, etc) What would we need to see in your experience, to be considered? - Strong track record in software testing, with a focus on mobile & web app automation and regression testing. - Proven experience creating and maintaining automated test scripts for Android and/or iOS applications. - Hands-on experience … with tools & frameworks such as Appium, Selenium, or Katalon. - Proficiency in API testing (Postman or equivalent) and SQL for data validation. - Experience writing and executing test plans and cases for functional and non-functional testing. Desirable skill set & to give you an idea of other things you d gain experience in: - Experience with CI/CD pipelines and More ❯

are scaling their technical teams Do you love problem-solving, have high attention to detail & are looking for the career opportunity to progress skills in mobile/web & software testing in a technical environment? You will work closely with the Test Lead & cross-functional teams, including developers, product managers, and UI designers, to clarify requirements, identify risks, and ensure … Basic + Benefits package (25 days holiday, private health, pension scheme, etc) What would we need to see in your experience, to be considered? - Strong track record in software testing, with a focus on mobile & web app automation and regression testing. - Proven experience creating and maintaining automated test scripts for Android and/or iOS applications. - Hands-on experience … with tools & frameworks such as Appium, Selenium, or Katalon. - Proficiency in API testing (Postman or equivalent) and SQL for data validation. - Experience writing and executing test plans and cases for functional and non-functional testing. Desirable skill set & to give you an idea of other things you’d gain experience in: - Experience with CI/CD pipelines and More ❯

Extensive Benefits , London My Leading Commodities Trading Client are looking for a Lead QA Engineer to Lead on Strategy, Focus and Delivery for a team of 8 UI, DB, API QA's working in a C#/JavaScript Technology Stack having ownership for the Oil and Gas Trading Platform. This role is 3 days a week in London. Key … Responsibilities: Lead Testing across multiple projects, ensuring successful execution of test plans to schedule. Create and deliver comprehensive test automation strategy that aligns with the projects objectives. Design and lead on development of automated test scripts and test data using (c#, Javascript) Lead Team of 8 QA Engineers across (UI, DB and API Testing), Goal Setting, Direction … Priority/Focus, Delivery etc. Key Requirements: Extensive experience in Automated Testing across UI, DB and API in a Trading Environment. Depth of knowledge in C# and Javascript Strong Commodities Trading Experience (Ideally Oil and Gas) Please apply with your CV and contact details if you are interested in pursuing this opportunity. More ❯

award-winning IOT, high-throughout/big data insurance telematics & video solution. Role: We are looking for a test engineer to join our development team in the validation and testing of the in-vehicle camera devices with our IoT platform. Reporting to our head of QA this role will focus on the user acceptance testing of the devices … the full end to end solution. This role will suit a methodical and analytical thinker and requires an ability to perform real-world in-vehicle and on the bench testing, compile concise and accurate formal test reports and to replicate, communicate and assist in the resolution of issues that are found as a result of this testing. A full … accuracy as well as an ability to install and de-install the equipment to the vehicle. Essential Skills: Ability to install aftermarket equipment to vehicles for the purpose of testing Ability to document test cases and results into formal reports Ability to work as part of an Agile development team with developers, product owners and QA analysts Ability to More ❯

talented Software Automation QA Engineer to join a growing technology team within a well-established financial services organisation. This role offers the opportunity to work with modern technologies, influence testing processes, and contribute directly to software quality across both front-end and back-end systems. The Role As part of a collaborative QA team, you will: Enhance and maintain … Selenium test suite using C# and SpecFlow (Reqnroll). Debug and fix automated tests, ensuring high coverage and reliability. Test web applications across multiple browsers, devices, and platforms. Perform API debugging and validation using tools such as Postman (desirable). Collaborate closely with developers and stakeholders in Agile/Scrum ceremonies. Ensure timely releases through proactive identification and resolution …/Reqnroll (BDD framework) Knowledge of Page Object Model design patterns Strong attention to detail, proactive problem-solving, and independent working style Excellent communication and teamwork skills Desirable Skills API testing/debugging experience (Postman or similar) Exposure to CI/CD pipelines and modern QA practices Why Join? Be part of a collaborative QA function within a More ❯

task refinement, and retrospectives. Building and maintaining strong relationships with stakeholders to support effective communication and delivery. Essential Skills & Experience: Track record years of relevant work experience in software testing area Knowledge of test automation techniques and tools (ideally reqnroll and/or selenium) Experience of using Microsoft SQL server Effective test design, test planning and scheduling capability Web … service and/or relational database testing experience Knowledge of source control Strong problem solving skills Desirable Skills & Experience: Experience of using Postman/Insomnia for API testing Experience of working in an Agile development team Ability to build strong working relationships with key stakeholders including operational teams. Ability to take initiative for improvements, identifying and mitigating More ❯

experience and contribute to high-quality software releases while growing your career. Key Responsibilities Review requirements and documentation to understand features Design and execute detailed manual test cases Perform testing across web, desktop, and/or mobile applications Identify, document, and track bugs Collaborate with developers and product teams to troubleshoot issues Perform regression testing after fixes Validate … changes meet acceptance criteria Provide feedback on usability and UI/UX improvements Requirements Some experience in software testing or QA (internship, freelance, or employment) Familiarity with functional, regression, exploratory, and smoke testing Understanding of the software development lifecycle Experience with bug tracking or test management tools Strong attention to detail and clear communication skills Ability to work … independently and in a team Desirable Exposure to basic test automation Familiarity with API testing Experience in an Agile/Scrum environment More ❯

the Delivery Hybrid | Corsham-based 2-3 Days/Week Up to £75,000 + Premium Benefits SC Cleared Required | British Citizen | UK Resident 5+ Years Ready to lead testing on mission-critical systems for national defence? Join a high-performing consultancy delivering cutting-edge solutions to government clients. As Test Lead, you'll take full ownership of the … testing strategy for a major IT Service Management (ITSM) programme, guiding a team of 7-17 engineers through complex integration and end-to-end testing. This is a leadership role with real impact - where your decisions shape delivery, quality, and innovation across a high-profile government programme. What You'll Be Leading Define and deliver the Test Strategy and … governance across the programme Lead integration, E2E, and API testing for new and evolving capabilities Own test planning, estimation, and reporting to ensure delivery confidence Provide client-side assurance of third-party supplier testing Collaborate with business and process owners to maximise test coverage Manage defect triage, risk, and monthly service reporting Mentor and guide a team More ❯

Mandatory Skills: Penetration Testing - PT Experience: 5-8 Years Job Description Preferred: Security Clearance/SC Eligible - must be in the UK from 3 to 5 years . Job description Coordinate with the team to scope and executing Pentest end to end, producing documentation Working knowledge of Jira, SNOW and confluence. Experience in regulatory compliance environment Experience working in … API testing, Network technologies and cloud solutions Must be SC cleared or able to obtain SC clearance Have a good practical understanding of Firewalls technologies, WAP and OWASP Understanding of CAF, NIST and NCSC Understanding of Cloud platform, Linux OS, OpenShift, Kubernetes More ❯

ensuring the accuracy and reliability of critical data systems. Responsibilities - Test Analyst Analyse and reconcile data, with a strong focus on SQL and Postgres JSON/JSONB functions. Perform testing activities across ETL processes and data validation tasks. Validate JSON and Parquet data, ensuring accuracy and adherence to schema standards. Use Postman for API testing and PowerShell More ❯

S3, QuickSight, and Glue to manage and analyse data. • Validate data formats using JSON/Parquet and ensure compatibility with JSON/Avro schemas. • Use tools like Postman for API testing and PowerShell for scripting and automation tasks. • Collaborate with team members to identify issues and develop solutions in the data migration process. Required Skills & Qualifications: • Strong SQL More ❯

+ object-oriented programming (OOP). Technical Environment: Python, web frameworks, front-end (Vue.JS, React, CSS, HTML), Design Patterns, Object Relational Mappers (ORMs), server-side templating languages, Unit/API testing, AWS, CI/CD, Agile. Benefits: Salary to £80k (DOE) + Hybrid + Annual Bonus + Pension + 22 days holiday plus BHs (rising to 25 days More ❯

ensuring the accuracy and reliability of critical data systems. Responsibilities - Test Analyst Analyse and reconcile data, with a strong focus on SQL and Postgres JSON/JSONB functions. Perform testing activities across ETL processes and data validation tasks. Validate JSON and Parquet data, ensuring accuracy and adherence to schema standards. Use Postman for API testing and PowerShell More ❯