Principal Software Engineer, Enterprise Scalability

Klaviyo

Boston, MA, United States
$244,000 - $366,000 usd; not specified; not specif...
On-site
Define enterprise scalability fitness functions
Design sharding and partitioning strategies
Build benchmarks and profiling harnesses
Lead performance, reliability, multi-region, and large-tenant readiness for enterprise scalability

Job Summary

  • Lead performance, reliability, multi-region, and large-tenant readiness for enterprise scalability.
  • Drive platform-wide architectural change, hunt bottlenecks, optimize systems, and partner across teams to productionize improvements.
  • Communicate clearly to execs and engineers, tying technical work to business impact and customer outcomes.

Matching Summary

Lead performance, reliability, multi-region, and large-tenant readiness for enterprise scalability.

Salary

$244,000 - $366,000 USD; Not specified; Not specified

Skills & Requirements

Must-have

  • Define enterprise scalability fitness functions
  • Design sharding and partitioning strategies
  • Build benchmarks and profiling harnesses
  • Lead scalability reviews and readiness gates
  • Integrate AI into scale and resiliency work

Nice-to-have

  • Company-wide fitness functions adopted
  • High-impact bottlenecks removed
  • AI-driven anomaly detection used
  • Generative load testing and copilot runbooks used

Key Requirements

  • 12+ years scaling multi-tenant SaaS
  • Performance engineering expertise
  • Capacity planning expertise
  • Sharding/partitioning expertise
  • Caching/back-pressure expertise
  • Multi-region readiness expertise
  • High-volume migrations expertise
  • AI tools & automation experience
  • Cross-org influence skills
  • AI fluency

Work Rights

Not specified

Tailored Resume

Cover Letter