Quality Assurance Tester

3 weeks ago

Najafgarh, India Webvio Technologies Full time

Urgent Hiring at Webvio Technologies

We are seeking a detail-oriented, methodical, and customer-focused Quality Assurance (QA) Tester with deep expertise in UCaaS, PBX, and VoIP systems.

Experience:** 3–5+ years in QA/testing of UCaaS, PBX, or VoIP systems in cloud or hybrid environments.

  • **Protocols:** Strong knowledge of SIP, SDP, RTP/SRTP, TLS, DTMF (in-band, RFC 2833), T.38.

  • **Platforms/Equipment:** Hands-on with SBCs (e.g., SBC Edge/Oracle/AudioCodes), SIP trunks, softswitches, IP PBX, SIP endpoints, SIP carriers.

  • **Networking:** Solid grasp of OSI/L3–L7, VLANs, QoS/CoS, NAT, firewalls, DNS, DHCP, SBC routing, ICE/STUN/TURN.

  • **Tools:** Proficient with Wireshark, sngrep, SIPp/Seagull, tcpdump, JMeter/k6, Postman/Insomnia, Grafana/Prometheus/CloudWatch, and log analysis.

  • **Automation:** Experience with test automation in one or more languages (Python/TypeScript/Java), API testing, CI/CD (Jenkins/GitHub Actions/GitLab CI), and containerized test environments (Docker/K8s basics).

  • **Methodologies:** Strong understanding of SDLC, Agile/Scrum, defect lifecycle, risk-based testing, and release management.

Experience with major UCaaS platforms or CPaaS APIs; WebRTC and media server testing (SFU/MCU).

  • Familiarity with contact center platforms (e.g., Genesys, Five9, NICE), CRM integrations, and SSO (SAML/OIDC).

  • Exposure to Microsoft Teams Direct Routing/Operator Connect or Zoom Phone integrations.

  • Knowledge of regulatory frameworks: E911/NG911, CALEA, STIR/SHAKEN, HIPAA/PCI considerations.

  • Performance and resilience testing at scale for multi-region, multi-tenant architectures.

  • Certifications: SIP School SSCA, Oracle/AudioCodes SBC, AWS/Azure, ISTQB/ASTQB.

Competitive salary, bonus, and benefits package.

Hybrid or remote options depending on region/time zone alignment.

Growth Opportunities in a Thriving Digital Industry

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