Lead QA Engineer with VoIP/SIP stack

Posted Yesterday
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6 Locations
Remote or Hybrid
Senior level
Other
The Role
Lead QA Engineer responsible for test case design and automation for a UCaaS platform. Automate backend, API, VoIP/SIP and calling functionality, integrate tests into CI/CD (Jenkins), run load/emulation, debug using network tools, and track coverage in TestRail within an Agile/Scrum team.
Summary Generated by Built In
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 Required

  • 5+ years total experience in QA Automation focused on Backend & API testing
  • 2+ years hands-on VoIP / SIP protocol testing (call flow automation, media stream verification, WebRTC, telecom load tools)
  • Strong Java expertise (Java 11/17) and proficiency with JUnit5, TestNG, Gradle
  • Upper-Intermediate (B2) English, written and spoken
  • Hands-on experience with API & Microservices automation (REST, JSON, gRPC)
  • Strong troubleshooting and analytical skills with network analysis tools (Wireshark, tcpdump) and Linux command line
  • Experience writing test cases in TestRail and integrating automated tests into CI/CD (Jenkins)
  • 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)

IDT Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about IDT and has not been reviewed or approved by IDT.

  • Healthcare Strength Medical, dental, and vision coverage are included for full‑time employees, with published transparency files indicating employer‑sponsored health plans. This establishes a conventional benefits foundation across major coverage areas.
  • Leave & Time Off Breadth Paid vacation and sick time are characterized as generous, with illustrations of multi‑week vacation and defined sick‑leave allotments that can vary by team and tenure. This breadth provides a solid baseline for time away from work.
  • Wellbeing & Lifestyle Benefits Office amenities such as an on‑site gym, recreation spaces, free breakfast and coffee, and flexible work arrangements are highlighted. These wellbeing‑oriented perks augment the core package for in‑office and hybrid roles.

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The Company
HQ: Newark, NJ
1,151 Employees
Year Founded: 1990

What We Do

We know that you’ll have looked at quite a few company pages but IDT is different. We want people who want to make a big difference to our company with big ambitions. We’re a truly global team, with 1300 people working across all continents, apart from (at the moment!) Antarctica. But we are proud that despite our size, we encourage and support any in-house entrepreneurs to develop their ideas into business action. Our exciting growth plans make it a great time to join us. Our people are the reason for IDT’s passion for success. The IDT family is made up of people of all backgrounds, expertise, and interests, all with a relentless team spirit. We need people who share both our commitment to success and excitement about our journey. You won’t ever be bored or have to wonder how to fill your time. You’ll find the work challenging but you’ll get the support of a great team to help you beat those challenges. You will also be expected to support others as well as work hard, work well and work with a smile. If you want a join a company that will help you become your brilliant best and achieve amazing results, then you want to join IDT.

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