> Markdown version of [/jobs/ext/2452558-part-time-qa-tester-mobile-web-applications](https://www.wearedevelopers.com/jobs/ext/2452558-part-time-qa-tester-mobile-web-applications). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Part-Time QA Tester - Mobile & Web Applications - **Company:** Retronics Market Place Limited - **Location:** London, UK (Remote available) - **Salary:** £25,000.0 - £30,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Android Software Development, Apple IOS, Application Testing, JIRA, Automation of Tests, Databases, Programming Tools, Github, Mobile Application Software, Selenium, Web Applications, Web Platforms, Postman, Appium, Cypress (Programming Language), Bug Reporting, Playwright, Browser Testing, Marketplace, Api Management - **Published:** August 25, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=b67c650cf1476d0e ## About the Role * Experience testing mobile applications and/or web applications. * Good understanding of software testing and QA principles. * Strong attention to detail. * Ability to think from an end-user's perspective. * Ability to reproduce and clearly document software defects. * Good written and verbal communication skills. * Comfortable working with developers and providing clear feedback. * Able to work independently and take ownership of testing tasks. Desirable Skills Experience with any of the following would be beneficial but is not essential: * Jira, GitHub Issues or similar bug-tracking tools. * Postman or API testing. * Chrome Developer Tools. * Android and iOS testing. * Cross-browser testing. * Basic SQL/database knowledge. * Automated testing tools such as Playwright, Cypress, Selenium or Appium. * Testing e-commerce or marketplace applications. ## Description Retronic Marketplace Limited is looking for a Part-Time QA Tester to help ensure the quality, reliability, and usability of our mobile applications and web platform. You will work closely with our development team to test new features, identify defects, reproduce issues, verify fixes, and help us deliver a stable and polished experience to our users. This is a hands-on testing role suitable for someone who enjoys finding problems before customers do and can clearly explain what went wrong, how to reproduce it, and what the expected behaviour should be., * Test our iOS and Android mobile applications and web application. * Perform functional, regression, exploratory and usability testing. * Test new features before they are released. * Identify bugs, inconsistencies, broken workflows and usability issues. * Create clear bug reports with screenshots, videos and reproducible steps. * Verify fixes provided by developers. * Test applications across different browsers, screen sizes and mobile devices. * Check complete user journeys rather than testing individual screens in isolation. * Identify edge cases and scenarios that developers may not have considered. * Validate that existing functionality continues to work after new releases. * Work with developers to understand requirements and expected behaviour. * Help improve our overall QA and release process. ## Related Videos - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Testing web3 applications](https://www.wearedevelopers.com/videos/878-testing-web3-applications) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [How not to test ](https://www.wearedevelopers.com/videos/175-how-not-to-test) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Best Job Boards for Remote Work for Developers](https://www.wearedevelopers.com/magazine/290-best-job-boards-for-remote-work-for-developers) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers)