Senior Backend Engineer, Flag Delivery
Builds and operates high-scale, low-latency distributed systems that stream feature-flag configuration to connected SDKs. The role requires 6+ years of backend experience, production ownership, and proficiency with backend languages, cloud infrastructure, infrastructure as code, and observability tooling.
About the job
Responsibilities
- Design, build, and operate distributed systems that deliver feature-flag configuration to LaunchDarkly SDKs.
- Own and improve the reliability, latency, and scalability of streaming and polling infrastructure.
- Debug and resolve complex production issues and participate in the team’s on-call rotation.
- Partner with SDK, Core Product, and Data Platform teams on how flags reach customers.
- Write maintainable, well-tested code and participate in code reviews, design reviews, and production-readiness discussions.
- Drive architectural decisions, balancing performance, cost, and operability.
- Improve observability, deployment safety, and operational processes for Flag Delivery.
Requirements
- 6+ years of professional backend engineering experience, including significant work on distributed or high-throughput production systems.
- Experience designing, building, operating, and debugging reliable, low-latency services.
- Strong production ownership, including on-call experience and a focus on reliability and observability.
- Proficiency in at least one backend language such as Go, Rust, or Python.
- Experience with a cloud platform such as AWS or an equivalent.
- Hands-on experience with infrastructure as code, such as Terraform or an equivalent.
- Experience with observability tools such as Datadog, Prometheus, or New Relic.
- Deep understanding of distributed-systems fundamentals, including concurrency, partitioning, retries, idempotency, backpressure, and failure handling.
- Ability to write clean, maintainable code and collaborate on technical design.
- Clear communication and a strong commitment to operational excellence.
Compensation and Benefits
- Zone 1: $191,800–$263,670 for San Francisco/Bay Area or NYC Metropolitan Area, Boston, and Seattle.
- Zone 2: $172,600–$237,270 for Irvine, LA, Monterey, Santa Barbara, Santa Rosa, Austin, Portland, Philadelphia, and Chicago.
- Zone 3: $163,000–$224,070 for all other US locations.
- Exact compensation may vary based on skills, experience, and location.
- Benefits include restricted stock units, health, vision, and dental insurance, and mental health benefits.
Skills
Go, Rust, Python, AWS, Terraform, Datadog, Prometheus, New Relic, Distributed Systems, Concurrency, Partitioning, Retries, Idempotency, Backpressure, Observability
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