# Staff Engineer, Experimentation at LaunchDarkly

- Company: LaunchDarkly
- What the company does: LaunchDarkly helps teams safely manage code and AI agents in production with feature flags, progressive delivery, automated rollback, and runtime control. Backed by Bessemer, Insight and 500 Global.
- Company website: https://launchdarkly.com/
- Type: Startups
- Level: Senior
- Location: Remote - US
- Work setup: Remote
- Pay: $215K to $295K base salary per year (USD)
- Posted: 2026-04-16
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/launchdarkly/jobs/7703477003
- Page: https://www.1752.vc/careers/jobs/launchdarkly-staff-engineer-experimentation/

## About the role

As a Staff Engineer on LaunchDarkly's Experimentation team, you'll build the platform that helps engineering teams make data-driven decisions with confidence. Our Experimentation product enables customers to run A/B tests, measure the impact of feature changes, and optimize experiences — integrated with a feature management platform that processes trillions of evaluations daily.

## What they're looking for

- 10+ years building large-scale experimentation platforms, statistical analysis systems, or data-intensive backend services
- Applied-statistics knowledge: hypothesis testing, sequential analysis, variance reduction ( CUPED ), power analysis, experiment design. Comfortable with frequentist vs. Bayesian trade-offs
- Experience with adaptive experimentation ML — contextual bandits, Thompson sampling, Bayesian optimization, or RL -based allocation
- Track record designing warehouse-agnostic systems across Snowflake, Databricks, Redshift, BigQuery, or similar
- Expertise in Go, Python, or similar for backend services and statistical computation
- Experience with event-driven architectures, data pipelines, and large-scale data processing

Tags: Core Engineering