QA Lead (Billing & Revenue Assurance)
Core
Lead QA Engineer owning quality for the Net2Phone billing platform, ensuring invoices are correctly rated, taxed, and reconciled.
Role type
Senior QA Lead (Billing & Revenue Assurance)
Builds
Billing system where every invoice is provably correctly rated, taxed, prorated, and reconciled.
Domain
Telecom billing, revenue assurance, and financial reconciliation.
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Test strategy design, revenue assurance testing, root cause analysis of billing discrepancies, SQL data validation, test management, automation roadmap planning, team leadership, documentation standards.
Preferred skills
SIP/VoIP call flow knowledge, Python/pytest and Playwright proficiency for review and debugging.
Technologies
Python, Pytest, Playwright, SQL, Allure TestOps, Jira, GitHub Actions, Jenkins, Grafana, Third-Party Tax Engine.
Responsibilities
Own the test strategy for billing covering rating, mediation, invoicing, taxation, payments, credits, adjustments, dunning, and reseller hierarchies; Design and document test coverage for month-end billing cycles including cutoff and timezone boundaries; Perform revenue-assurance testing by reconciling CDR volumes against invoiced amounts; Trace billing discrepancies to root cause distinguishing rating-engine defects from mediation or switch-side issues; Enforce the requirement intake gate ensuring no user story enters a sprint without testable acceptance criteria; Set and enforce documentation standards ensuring requirement-to-test-case traceability; Drive the automation roadmap deciding what gets automated and conducting code and test reviews; Establish and report billing quality metrics including defect escape rate and coverage; Mentor billing QA engineers and provide clear technical direction; Communicate and escalate product quality risks holding ground when supported by data.
Seniority
Senior, hands-on IC with leadership responsibilities.
