E2b
Billing Engineer
Prague, Czech Republic. Posted a month ago
The role
You will own the billing system end to end, including usage metering, Stripe integration, invoicing, and collections. You will redesign the system and work across engineering, finance, and customers.
What you will do
- Own services behind billing including usage metering, charge calculation, invoicing, payments, and data models
- Own the Stripe integration including subscriptions, Billing Meters, and enterprise invoicing edge cases
- Build billing automation for failed-payment recovery, collections, proration, plan changes, credits, refunds, and disputes
- Work with engineers across Core, Platform, and Dashboard to define data contracts
- Partner with finance on reconciliation, revenue reporting, and audit-readiness
- Make architectural decisions around observability, testing, and security
Required qualifications
- Understanding of metric collection, metered usage, Pay-as-you-go, and billing cycles
- Backend engineer with 5+ years billing systems experience
- Deep expertise in Go
- Strong API design including REST/RPC, contracts and versioning
- Solid with PostgreSQL: schema design, query optimization, migrations, and reasoning about data at scale
- Backend fundamentals: authentication/authorization, server-side performance, and building real-time data flows (WebSockets, SSE)
- Experienced with charging logic, collections, billing automation, and billing-related data flows
- Comfortable with complex invoicing, SKUs, usage-/contract-based billing, and third-party payment platforms
- Strong cross-functional communication skills, especially with finance
- Comfortable owning a system end-to-end with high autonomy
- Able to work through ambiguity and figure things out independently
Benefits
- Healthcare, vision, and dental insurance
- Unlimited PTO
- 401k
- Variety of perks for in-office employees
About the company
E2B is a fast-growing Series A startup with over $37M in funding and 8-figure revenue. They build the Agent Cloud and power infrastructure for AI labs and consumer and enterprise agents.