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Staff Engineer – Experimentation Team

LaunchDarkly builds feature management and experimentation tools that let teams safely release, measure, and optimize features. The Experimentation team is looking for a Staff Engineer with deep applied statistics and production ML experience to design statistical engines, warehouse-native analysis pipelines, and adaptive experimentation systems that run reliably at scale.

Skills

  • Deep applied-statistics knowledge: hypothesis testing, sequential analysis, variance reduction, power analysis, frequentist vs Bayesian trade-offs.
  • Experience building adaptive experimentation/ML systems (contextual bandits, Thompson sampling, Bayesian optimization).
  • Proven track record designing warehouse-agnostic systems for Snowflake, BigQuery, Databricks, Redshift or similar.
  • Strong backend engineering experience in Go, Python, or equivalent for statistical computation and services.
  • Experience with event-driven architectures, large-scale data pipelines, and warehouse-native computation.
  • Cloud and infrastructure experience (AWS/GCP) and infrastructure-as-code practices.
  • Technical leadership, cross-team influence, and ability to translate statistics for product and engineering audiences.

Responsibilities

  • Design and build the experimentation statistical engine: hypothesis testing, sequential analysis, variance reduction (CUPED, Winsorization), and power analysis.
  • Architect and implement warehouse-native analysis that runs inside Snowflake, BigQuery, Databricks, Redshift with modular, warehouse-agnostic abstractions.
  • Lead adaptive experimentation initiatives: contextual bandits, Thompson sampling, Bayesian optimization, and automated allocation strategies.
  • Drive roadmap and product direction in partnership with product, design, and data science teams.
  • Collaborate cross-functionally with Warehouse Integrations, SDK, Platform, and Data Science teams to deliver end-to-end solutions.
  • Mentor engineers, raise statistical rigor and system design standards, and provide technical leadership.
  • Own operational excellence: monitoring, observability, incident response, on-call rotations, and robust telemetry/alerting.

Education

  • Bachelor's degree in Computer Science, Statistics, Mathematics, or related field, or equivalent practical experience.
  • Advanced degree in a quantitative discipline preferred (see preferred qualifications).

Benefits

  • Restricted Stock Units (RSUs)
  • Health, vision, and dental insurance
  • Mental health benefits and employee assistance programs
  • Remote-first work and flexible schedule
  • Paid time off and parental leave
  • 401(k) or retirement plan
  • Professional development and mentorship opportunities
  • On-call compensation and operational support
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

$238975 / YEARLY (est.)
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max
$182600K
$295350K

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BENEFITS & PERKS
Dental Insurance
Disability Insurance
Flexible Spending Account (FSA)
Health Savings Account (HSA)
Vision Insurance
Family Medical Leave
Paid Holidays
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$182,600/yr - $295,350/yr
EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
April 17, 2026
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