Senior Software Engineer (Billing)

About this role

• The Billing & Revenue engineering team sits at the intersection of product, finance, and infrastructure
• They’re responsible for ensuring every observable event—errors, logs, traces, session replays—gets accurately measured, priced, and billed
• Their work directly impacts company revenue and customer trust, requiring distributed systems expertise, attention to financial accuracy, and deep understanding of product usage patterns
• The team works cross-functionally with product, engineering, BizOps, marketing, and sales to build systems that enable new products and pricing models
• As a Senior Software Engineer, you will architect and scale the core systems that power Sentry’s billing infrastructure, ensuring accuracy and reliability at massive scale
• 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
• 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
• 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

### Benefits

• Competitive Compensation + Equity
• 401k Plan
• Medical, Dental, Vision Insurance
• Commuter Stipend
• Professional Development Stipend
• Health & Wellness Benefits
• Charitable Matching Program
• Flexible PTO
• Paid Parental Leave- Operated services where reliability includes uptime and also financial correctness
• Mentored engineers through ambiguous, high-stakes projects
• Built or significantly improved systems that handle financial data or high-stakes accuracy requirements—billing systems, payment processing, accounting platforms, or fina...