Senior Software Engineer, Billing

Sentry Sentry · Enterprise · Toronto, ON +1 · Engineering

Senior Software Engineer for the Billing & Revenue team at Sentry. This role focuses on architecting and scaling core billing infrastructure to ensure accuracy and reliability at massive scale, processing billions of events daily. Responsibilities include building the next generation of usage tracking pipelines, designing flexible pricing primitives, and addressing data consistency challenges in billing.

What you'd actually do

  1. You will collaborate on building the next generation of Sentry’s usage tracking pipeline, processing hundreds of billions of events daily with low latency and financial-grade accuracy.
  2. You will help design flexible pricing primitives that support everything from per-event usage billing to complex enterprise contracts, enabling product and sales teams to experiment rapidly while maintaining revenue accuracy and reduced time-to-market for new products.
  3. You will contribute to technical decisions on data consistency challenges unique to billing—like handling event delays, retroactive pricing changes, and distributed count reconciliation across our infrastructure.

Skills

Required

  • Built or significantly improved systems that handle financial data or high-stakes accuracy requirements—billing systems, payment processing, accounting platforms, or financial data pipelines.
  • Mentored engineers through ambiguous, high-stakes projects.
  • Operated services where reliability includes uptime and also financial correctness.

What the JD emphasized

  • financial data
  • high-stakes accuracy requirements
  • billing systems
  • payment processing
  • accounting platforms
  • financial data pipelines
  • financial accuracy is non-negotiable
  • billing transparency
  • financial correctness