Senior Software Architect, Enterprise Scale AI Resilience

United States Digital Space LLC; Boston (MA); On-site; USD 244,000 - 366,000; Full time

Job summary

Klaviyos in the United States seeks a senior individual contributor to own scale, reporting to the VP of Engineering. You will drive performance, reliability, multi-region readiness, and large-tenant readiness, coordinating across teams to productionize improvements and influence through technical depth.

You will lead scalability reviews, implement AI-driven enhancements, and align technical work with business outcomes, ensuring clean cross‑org collaboration and measurable impact on enterprise

Qualifications

• Define enterprise scalability fitness functions and align teams to SLOs and budgets.
• Design sharding, partitioning, caching/back-pressure, multi-region readiness, and high-volume migrations.
• Build benchmarks, profiling harnesses, reproducible testbeds; pair with teams to land fixes.
• Lead scalability reviews and readiness gates; drive incident deep dives tied to systemic fixes.
• Communicate clearly to execs and engineers, tying technical work to business impact and customer outcomes.
• Integrate AI into scale and resiliency work—from proactive anomaly detection to synthetic load and guided runbooks—so performance improvements stick and incidents don’t repeat.

Responsibilities

• Scale multi-tenant SaaS while removing bottlenecks and proving impact with data.
• Drive platform-wide architectural changes and optimize systems for performance and reliability.
• Lead scalability reviews and readiness gates to accelerate delivery and perform deep-dive incident analysis.
• Collaborate with cross-functional teams to translate tradeoffs into executive-level recommendations.
• Implement AI-driven enhancements in monitoring, load testing, and runbooks to improve resilience.

Skills

Performance engineering

Capacity planning

Sharding / partitioning

Caching / back-pressure

Multi-region readiness

High-volume migrations

AI tools & automation

Cross-org influence

Executive communication

AI fluency

Job description

Klaviyos in the United States seeks a senior individual contributor to own scale, reporting to the VP of Engineering. You will drive performance, reliability, multi-region readiness, and large-tenant readiness, coordinating across teams to productionize improvements and influence through technical depth.

You will lead scalability reviews, implement AI-driven enhancements, and align technical work with business outcomes, ensuring clean cross‑org collaboration and measurable impact on enterprise