or apply directly on Klaviyo's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 88 days Klaviyo's roles stay open a median of 88 days
- Reposted
- No
- Salary listed
- No 0% of Klaviyo's roles list one
- Ghost-job risk at Klaviyo
- high 141 stale, 6 reposted of 141 open
- Hiring momentum
- 203 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-30
Measured from postings appearing on and disappearing from Klaviyo's own greenhouse board since 2026-08-03. Full hiring picture for Klaviyo.
About this role
As the Principal Engineer for Enterprise Scalability at Klaviyo, you will lead efforts to enhance system performance, reliability, and readiness for large tenants. Your role involves defining scalability metrics, designing strategies for data management, and integrating AI solutions to improve system resilience. You will collaborate across teams to implement architectural changes and communicate the impact of technical work to both executives and engineers.
- benefits
- 3/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Klaviyo as an employer.
What you need
- 12+ years scaling multi-tenant SaaS
- Experience in performance engineering, capacity planning, sharding/partitioning, caching/back-pressure, multi-region readiness, and high-volume migrations
- Ability to apply AI tools for scaling work, including profiling assistance and anomaly detection
- Strong cross-organizational influence and communication skills
Nice to have
- Experience with company-wide fitness functions for scalability
- Documented high-impact wins in removing bottlenecks
- Experience with AI-assisted scale engineering techniques
What you get
- Base salary range of $244,000 - $366,000 USD
- Participation in the company’s annual cash bonus plan
- Variable compensation for sales and customer success roles
- Equity and sign-on payments
- Comprehensive health, welfare, and wellbeing benefits based on eligibility
Worth weighing
- No specific details on the tech stack used
- Role is an individual contributor position with no direct reports
- Up to 10% travel may be required
Summarised from Klaviyo's posting. Read the full original.
Listed by Klaviyo on their greenhouse job board, last confirmed open on 2026-10-30. PitchMeAI is not the employer.
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