Sr Backend Engineer, Billing
LaunchDarklyBase Salary
$163k - $264k/yr
Responsibilities
- Design and build systems for plans, pricing, entitlements, and limits and expose them through an API.
- Decompose the billing monolith into correct, testable, independently deployable services.
- Own end-to-end correctness for usage metering, reconciliation, invoices, and customer-visible usage data.
- Operate production systems through SLOs, alerting, on-call support, and root-cause remediation.
Requirements
- At least 6 years of professional software-engineering experience with significant work on complex backend applications.
- Experience decomposing a monolith.
- A track record working on systems where correctness is non-negotiable, including idempotency, reconciliation, reversible migrations, and safe cutovers.
- Proficiency in at least one backend language such as Go, Rust, or Python.
- Familiarity with cloud infrastructure such as AWS or an equivalent platform.
- Strong production ownership, including on-call responsibilities.
- Experience with billing, payments, metering systems, usage-based pricing, entitlements, quotas, or multi-tenant limits is a bonus.
Benefits
- Restricted Stock Units (RSUs)
- Health, vision, and dental insurance
- Mental health benefits
Categories
About LaunchDarkly
LaunchDarkly is the runtime control layer for the AI era. For over a decade we have helped engineering teams control what ships in production, starting with feature management and evolving into the infrastructure that governs how software and AI agents behave after deploy. With CodeControl and AgentControl, teams can update agent behavior in milliseconds, automatically roll back when something drifts, and govern every agent and feature across the organization from one place. No redeploys required. LaunchDarkly processes more than 50 trillion flag evaluations per day and serves some of the most demanding engineering teams in the world, including over a quarter of the Fortune 500. Founded in 2014 in Oakland, California by Edith Harbaugh and John Kodumal, LaunchDarkly has been named to the Forbes Cloud 100 for five consecutive years, Fast Company's Most Innovative Companies list, and the Inc. 5000.