Senior Backend Engineer, Billing & Revenue Systems (RSUs)

Cervin; Northern (KY); Hybrid; USD 163,000 - 224,000; Full time

Job summary

LaunchDarkly is seeking a Senior Backend Engineer for the Billing team to own the systems translating plans, pricing, entitlements and usage into revenue. You will decompose the billing monolith into services, ensuring correctness and safety across metering, reconciliation, invoices, and usage data.

Strong backend judgment is essential, with experience in Go, TypeScript, Postgres, AWS, and Terraform. You will own production on-call and drive SLOs, alerting, and incidents to prevent customer

Qualifications

• 6+ years of professional software-engineering experience on complex backend applications.
• Experience decomposing a monolith.
• Track record on systems where correctness is non-negotiable with idempotency, reconciliations, reversible migrations and safe cutovers.
• Proficiency in at least one backend language (Go, Rust, Python, etc.) and familiarity with cloud infrastructure (AWS or equivalent), plus strong production ownership including on-call.

Responsibilities

• Design and build systems that define plans, pricing, entitlements, and limits and expose them through APIs.
• Decompose billing from the monolith into services that are correct, testable, and independently deployable.
• Own end-to-end correctness—usage metering, reconciliation, invoices, and usage data customers see.
• Operate what you build: SLOs, alerting, on-call, and fix root causes rather than mitigations.

Skills

Backend engineering

Monolith decomposition

Production ownership (on-call)

Go/Rust/Python backend

Tools

AWS

Job description

LaunchDarkly is seeking a Senior Backend Engineer for the Billing team to own the systems translating plans, pricing, entitlements and usage into revenue. You will decompose the billing monolith into services, ensuring correctness and safety across metering, reconciliation, invoices, and usage data.

Strong backend judgment is essential, with experience in Go, TypeScript, Postgres, AWS, and Terraform. You will own production on-call and drive SLOs, alerting, and incidents to prevent customer