> Markdown version of [/jobs/ext/2821320-software-quality-assurance-engineer-300-350-a-day](https://www.wearedevelopers.com/jobs/ext/2821320-software-quality-assurance-engineer-300-350-a-day). 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). --- # Software Quality Assurance Engineer - €300 - €350 A Day - **Company:** Opus Recruitment Solutions - **Location:** Barcelona, Spain - **Salary:** €78,000.0 - €91,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Automation of Tests, Software Debugging, Software Quality Assurance (SQA), Web Applications, ReactJS, Cypress (Programming Language), Backend, Playwright, Front End Software Development, Api Design, Restful APIs - **Published:** September 10, 2026 - **Apply:** https://www.buscojobs.com.es/software-quality-assurance-engineer-%E2%82%AC-300-%E2%82%AC-350-a-day-en-barcelona-ID-369911758 ## About the Role Key skills & experience needed: Testing modern web applications, particularly React SPA and API-driven architectures. Expertise in designing and implementing automated tests across Playwright, Cypress, and Jest . Deep understanding of REST API testing Building and maintaining scalable automation frameworks integrated into CI/CD pipelines Experience validating complex user journeys, ensuring data consistency, frontend/backend integration correctness, and platform stability across environments. Proficiency in debugging issues across frontend, backend, and environment layers Experience working within Agile teams If interested, please apply to this advert with your latest CV and I will be in touch to discuss in more detail. ## Description QA Engineer / Barcelona (Hybrid) / 6 months / €300 - €350 per day I am currently recruiting for a contract QA Engineer to join a client of ours in Central Barcelona.Key skills & experience needed: Testing modern web applications, particularly React SPA and API-driven architectures.Expertise in designing and implementing automated tests across Playwright, Cypress, and Jest .Deep understanding of REST API testing Building and maintaining scalable automation frameworks integrated into CI/CD pipelines Experience validating complex user journeys, ensuring data consistency, frontend/backend integration correctness, and platform stability across environments.Proficiency in debugging issues across frontend, backend, and environment layers Experience working within Agile teams If interested, please apply to this advert with your latest CV and I will be in touch to discuss in more detail.Best, Connor