Designs, develops, and executes Python-based automated and performance tests; enhances test frameworks and owns system testing for software products. Performs defect investigation, root cause analysis, log and network trace review, debugging, and quality validation. Collaborates with development and management teams, participates in Agile/Scrum ceremonies, supports CI/CD workflows, and contributes to technical evaluations and process improvements. The role focuses on VoIP, unified communications, APIs, and voice/video applications.

Leads functional testing and test automation for embedded IP phone products and Android applications. Designs test coverage and cases from requirements, investigates defects, builds network test environments, administers networking and call-control equipment, reviews code and test cases, analyzes results, manages defects, improves QA processes, and mentors junior staff. Requires expertise in VoIP protocols, embedded device testing, Agile delivery, automation using Java, Python, or Perl, and testing tools including Jira and TestRail.