Senior QA Engineer (OSS/BSS) Senior QS Engineer (OSS/BSS) Home-based (UK) £50,000 to £55,000 per year Plus excellent company benefits The Opportunity: We are currently looking for a Senior Quality Assurance Engineer with a proven background in telecoms billing and/or rating systems to join our clients international QA team. This role is ideal for an enthusiastic individual with Linux command line knowledge, who thrives in a fast-paced, API-driven environment and wants to make a real impact on the quality of mission-critical telecom monetisation platforms. Skills and Experience: Strong experience in Software Quality Assurance in telecoms, billing, rating or charging platforms is a MUST Proven background in API testing (REST / Web Services), ideally including SDK testing Exposure to scripting languages, ideally in Python Experience working with Java, JSON, XML, XSLT, WSDL, and Web Services Comfortable working with Linux based systems Strong troubleshooting skills across black-box and white-box testing Exposure to technologies like Katate, Kubernetes, Jira and Putty would be advantageous Role and Responsibilities: Design, execute and report on manual tests for API-based telecom applications Analyse functional requirements and use cases, translating them into comprehensive test plans Maintain and extend the existing test automation framework, writing and implementing automation scripts in Python Perform positive, negative, and backward-compatibility testing Identify, report, and verify defects, working closely with engineering teams through resolution Provide proactive feedback to engineering on quality, testability and risk areas Applications: To learn more about our growing client and these brand new opportunities working as a Senior QA Engineer; please call James Sample on 07436 071 269 or please send your CV ( james@isr.uk.com ) for a call back in the very strictest of confidence? Please contact James here at ISR to learn more about our client leading the way in developing the next generation of billing software services and solutions through innovation and transformational technology?