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Lead QA Engineer with VoIP/SIP stack

MinskHybrid

AI Summary

Leads a SCRUM team to design, automate, and execute test cases for a Net2Phone UCaaS platform, focusing on VoIP/SIP stack quality and CI/CD integration.

About this role

We are looking for an experienced Lead QA Engineer with VoIP/SIP stack to join us in the development of a Net2Phone UCaaS platform.

What you will be doing:

  • Be a member of a SCRUM team with all related artefacts.

  • Write test cases with detailed steps in TestRail.

  • Automate new test cases, extend and maintain existing cases in different integration areas.

  • Integrate Automated testing within CI for all deployment tasks.

  • Take part in building automation for calling functionality.

  • Solve a complex task which make automation-as-a-tool and orchestrate different layers into one quality gateway

  • Build and execute deployments in Jenkins for all environments.

  • Communicate and escalate product quality issues.

We use next technologies in our work:

  • Default is Java 11/17.

  • Junit5, TestNG, Gradle and other cool stuff

  • Work with real calls automation

  • SIP Load framework with real traffic emulation

  • Jenkins as a CI/CD system.

  • Jira for project management and bug tracking.

  • TMS is TestRail.

We expect you to have:

Must-have:

  • 5+ years of total experience in QA Automation with a strong focus on Backend & API testing.

  • 2+ years of hands-on experience in VoIP / SIP protocol testing (call flow automation, media stream verification, WebRTC, or telecom load tools).

  • Strong Java expertise (Java 11/17) and proficiency with test frameworks (JUnit5, TestNG, Gradle).

  • Upper-Intermediate (B2) English level or higher (both written and spoken).

  • Hands-on experience with API & Microservices automation (REST, JSON, gRPC).

  • Strong troubleshooting and analytical skills using network analysis tools (e.g., Wireshark, tcpdump) and Linux command line.

    • Nice-to-have:

    • Experience with Load & Performance testing tools (JMeter, Gatling, SIPp).

    • Experience with Docker and containerized test environments.

    • Familiarity with mock services and stubs (e.g., WireMock).

    • Practical usage of TestRail for test coverage management and reporting.

We offer you:

  • Remote b2b or hybrid (Belarus-Moldova) work opportunity!

  • Stable job with long-term growth perspective.

  • Competitive salary with annual performance review.

  • Really good hardware.

  • An exciting and challenging job with talented people around.

  • Continuous learning and career growth opportunities.

  • Compensation for professional training, seminars, and conferences.

  • Referral program – get rewarded for helping us grow the team with talented people.

  • Company-supported English classes to enhance your professional growth.

  • More perks for the Minsk and Chisinau office employees.

Skills

DockerGatlingGradleGRPCJava 11+Java 17JenkinsJMeterJSONJUnit5REST APISIPpTcpdumpTestNGTestRailWireshark

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