QA Lead (Billing & Revenue Assurance)

📋 Description

• Act as an active member of a Scrum team, participating fully in all agile ceremonies and
• Own the test strategy for billing: Covering rating, mediation, invoicing, taxation, payments
• Design and document test coverage for month-end billing cycles, including cutoff and timezone
• Perform revenue-assurance testing: Reconciling CDR volumes against invoiced amounts and quantifying
• Trace billing discrepancies to their root cause: Distinguishing rating-engine defects from
• Enforce the requirement intake gate: Ensuring no user story enters a sprint without testable

🎯 Requirements

• 8+ years in QA, including hands-on experience with a production billing, rating, or payments system.
• Working knowledge of rating and usage billing: Rate decks, prefix matching, billing increments
• Subscription billing experience: Recurring and non-recurring charges, mid-cycle proration
• Invoicing experience: Invoice generation, line-item totals, usage detail, credit memos, manual
• Strong SQL skills (joins, aggregations, window functions) sufficient to reconcile usage against
• Precision and rounding literacy: Decimal vs. floating-point representation, rounding modes

🎁 Benefits

• Remote work opportunity!
• B2B Employment ($, gross).
• 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.