Principal Engineer, Enterprise Scalability
Core
Own Klaviyo's approach to enterprise scalability, performance, reliability, and multi-region readiness for a multi-tenant SaaS platform.
Role type
Principal Engineer, Enterprise Scalability (Senior IC)
Builds
Scalable, high-performance data platform for enterprise customers
Domain
SaaS, Distributed Systems, Performance Engineering
Required skills
Multi-tenant SaaS scaling, Distributed systems architecture, Performance engineering, Capacity planning, System design, Incident management, Technical leadership, AI tooling for engineering
Preferred skills
AI-assisted profiling, Synthetic traffic generation, Anomaly detection
Technologies
Sharding, Partitioning, Caching, Back-pressure, Multi-region architectures
Responsibilities
Define scale readiness targets and align teams on service-level objectives; Identify and remove major performance bottlenecks using production data; Design and implement architectural changes for high-volume workloads; Create reusable benchmarks and test environments; Lead scalability reviews and release gates; Conduct technical deep dives to reduce recurring incidents; Apply AI tools for investigation and response optimization.
Seniority
Principal, hands-on IC
