Note: The job is a remote job and is open to candidates in USA. LaunchDarkly empowers software teams to deliver and control software safely through feature-flag management. The Senior Backend Engineer on the Flag Delivery team will own critical-path distributed systems that stream feature-flag configurations to connected SDKs globally, focusing on architecture, reliability, latency, scalability, and operational excellence.
Responsibilities
- Design, build, and operate the distributed systems that deliver feature-flag configuration to LaunchDarkly SDKs
- Own and improve the reliability, latency, and scalability of our streaming and polling infrastructure
- Debug and resolve complex production issues, sharing 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 engage in code reviews, design reviews, and production-readiness discussions
- Drive architectural decisions, trading off performance, cost, and operability
- Raise the bar on observability, deployment safety, and operational process for Flag Delivery
Skills
- 6+ years of professional backend engineering, with significant work on distributed or high-throughput production systems
- Track record designing, building, operating, and debugging reliable, low-latency services
- Strong production ownership, including on-call experience and a focus on reliability and observability
- Proficient in at least one backend language (Go, Rust, Python) and comfortable on a cloud platform (AWS or equivalent)
- Hands-on with infrastructure-as-code (Terraform or equivalent) and observability tooling (Datadog, Prometheus, New Relic)
- Deep grasp of distributed-systems fundamentals: concurrency, partitioning, retries, idempotency, backpressure, and failure handling
- Writes clean, maintainable code and collaborates well on technical design
- Communicates clearly and holds a high bar for operational excellence
Benefits
- Restricted Stock Units (RSUs)
- Health insurance
- Vision insurance
- Dental insurance
- Mental health benefits
Company Overview
Company H1B Sponsorship