Sr Backend Engineer, Flag Delivery

📋 Description

• Own critical-path systems that stream feature-flag configuration to LaunchDarkly SDKs in near real
• Design, build, and operate distributed systems for flag delivery at high scale.
• Improve reliability, latency, and scalability of streaming and polling infrastructure.
• Collaborate with SDK, Core Product, and Data Platform teams on how flags reach customers.
• Write maintainable, well-tested code and participate in code reviews and production-readiness
• Drive architectural decisions balancing performance, cost, and operability.

🎯 Requirements

• 6+ years of professional backend engineering, with distributed/high-throughput production systems.
• Track record designing and debugging reliable, low-latency services.
• Strong ownership including on-call experience with focus on reliability and observability.
• Proficient in at least one backend language (Go, Rust, Python) and comfortable on AWS or equivalent.
• Hands-on with infrastructure-as-code (Terraform or equivalent) and observability tooling (Datadog
• Deep understanding of distributed systems: concurrency, partitioning, retries, idempotency

🎁 Benefits

• Pay ranges by geographic zones with RSU benefits, stock options, and health benefits; exact
• Zone 1: San Francisco Bay Area/NYC/Boston/Seattle region: $191,800 - $263,670
• Zone 2: Irvine/LA/Monterey/Santa Barbara/Santa Rosa/Austin/Portland/Philadelphia/Chicago: $172,600
• Zone 3: All other US locations: $163,000 - $224,070