Backend Engineer, Metrics

LaunchDarkly

full-time

Posted on: 9/17/2025

Origin: • 🇺🇸 United States • California

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💰 $158,000 - $257,000 per year

Mid-LevelSenior

AirflowDistributed SystemsElasticSearchGoPostgresSparkSpinnakerTerraform

About the role

Design, build, and maintain backend services that power Experimentation and Release Guardian at scale
Evaluate and shape new product features from a technical perspective, identifying opportunities, tradeoffs, and implementation paths
Develop internal APIs that connect customer events to experimentation and release safety workflows
Collaborate with data pipeline teams to ensure accurate, reliable event processing and delivery
Partner with product and engineering teams to integrate event-driven features into products like AI Configs, Observability, and Product Analytics
Improve service reliability through observability, alerting, and operational tooling
Actively participate in code reviews, spec discussions, and architecture design

Extensive experience with server-side programming (preferably Golang)
Strong proficiency in building and maintaining RESTful APIs
Solid understanding of core CS concepts: data structures, distributed systems, concurrency, and threading
Familiarity with event ingestion and querying across technologies like ClickHouse, Postgres, ElasticSearch, Timestream, Snowflake, or Glue/Iceberg/S3
Experience working with stream and batch processing tools such as Kinesis, Airflow, Spark, Lambda, Flink, or Athena (or equivalents)
Hands-on experience with infrastructure-as-code tools like Terraform (or equivalent)
Proficiency with observability tools such as Datadog (or equivalent)