Senior Backend Engineer, Experimentation
Core
Design and operate scalable backend services and APIs powering LaunchDarkly's Experimentation platform, enabling engineering teams to run statistically confident product experiments.
Role type
Senior Backend Engineer (Experimentation Platform)
Builds
Experimentation workflows, event data ingestion pipelines, metric computation engines, and results presentation services.
Domain
SaaS / Data-intensive backend systems / Experimentation infrastructure
Deliverable
production ML models | product features
Required skills
Go, distributed systems, event-driven architectures, data pipelines, API design, data modeling, observability, cloud infrastructure, IaC, production incident response, system reliability, experimentation/A/B testing concepts
Preferred skills
Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks, warehouse-native analysis
Technologies
Go, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks, cloud environments, infrastructure-as-code
Responsibilities
Design, build, and operate scalable backend services and APIs; own backend components across the lifecycle (discovery to operation); build systems for experiment setup, data ingestion, and metric computation; contribute to architectural decisions and trade-offs; partner with product, design, and data science teams; investigate production issues and implement fixes; improve observability and deployment safety; participate in on-call rotation; support teammates via code reviews and mentorship
Seniority
Senior, hands-on IC