Senior QA Engineer (Backend)
Team: Technologies
Location: Spain, United Kingdom
Commitment: Full-Time
Workplace Type: remote
Responsibilities:
- Designing, implementing, and executing manual and automated functional, regression and performance tests
- Designing and implementing testing strategy for the Backend API Platform
- Testing mobile network connectivity by interacting with mobile devices
- Running Functional and End-to-End tests and making that sure the functionalities are in conformance with the user stories, acceptance criteria and design documents
- Ensuring version releases with 0 critical bugs
- Looking for ways to increase automation ratio as much as possible while performing manual tests for the scenarious that are not automated yet
- Collaborating and working closely with Product Managers, Developers, Designers to share bug reports, ensure business requirements are met, and increase code and automated test coverages
- Tracking and measuring quality metrics to take any necessary corrective actions proactively for one thing: the best quality can be achieved
- Evaluating, building, and improving the roadmap and infrastructure of the overall QA strategy and testing cycle for the end-products, making recommendations as necessary
- Helping to build and grow a strong and dedicated QA Guild
Requirements:
- 5+ years of dedicated experience in Quality Assurance (QA)
- Deep understanding of software testing theory, methodologies, and best practices
- Experience in manual testing across the full range of user story acceptance criteria and test cases
- Expertise in automated functional, API, and UI testing
- Ability to provide realistic estimations for tasks of varying types and sizes
- Solid understanding of HTTP protocol & WebSocket communication
- Understanding of distributed applications and client-server architectures
- Proficient in at least one programming language (TypeScript, Java, Python, or similar)
- Experience with test automation frameworks (Playwright, Axios, Cucumber, Cypress, Selenium, RestAssured, or similar)
- Experience in performance testing with tools like Apache JMeter, Gatling, etc.
- Experience with CI/CD pipelines and tools (Github Actions, etc.)
- Ability to troubleshoot and debug complex issues (infrastructure, test environments, CI/CD workflows)
- Good verbal and written communication skills in English
Bonus:
- Prior work experience in telecommunications
- Graduate degree in a related field
- Knowledge of eSIM and GSMA-related technologies and services
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