Klaviyo

Senior Software Engineer - Developer Infrastructure

Klaviyo
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2 months ago
Boston, MA, USASenior
H1B sponsor

Base Salary

$148k - $222k/yr

Responsibilities

  • Analyze, optimize, and secure backend and third-party dependencies and maintain a healthy dependency graph.
  • Plan and execute major software releases, framework upgrades, and production rollouts with hands-on individual contribution.
  • Improve developer productivity metrics such as PR CI speed, code-review turnaround, and commit velocity.
  • Establish organization-wide standards for code quality, dependency hygiene, and platform reliability.
  • Develop and execute an AI-driven strategy for the platform lifecycle and use AI tools to accelerate development.
  • Partner with engineers, security teams, and stakeholders to gather requirements and roll out platform changes.
  • Monitor platform health, diagnose complex issues, and implement systemic fixes before critical incidents occur.

Requirements

  • 5+ years of software engineering experience.
  • Strong computer science fundamentals and experience writing clean, maintainable, well-architected code.
  • Experience reasoning about distributed systems, dependency graphs, and platform-level impacts across teams.
  • Ability to work across the stack, including debugging Python integrations, optimizing Go services, and wiring infrastructure automation.
  • Experience or demonstrated interest in applying AI to software development or personal projects.
  • Strong analytical problem-solving skills, end-to-end ownership, and a focus on engineering excellence.

Benefits

  • Comprehensive health, welfare, and wellbeing benefits based on eligibility.
  • Potential annual cash bonus, equity, and sign-on payments in addition to base salary.
  • The role may require up to 10% travel for onboarding, client or partner work, team meetings, and industry events, coordinated in advance.
  • Klaviyo provides accommodations as needed and is committed to an equal opportunity, inclusive workplace.

Tech Stack

Categories

Klaviyo

About Klaviyo

1,001-5,000 employees

Klaviyo builds a subscription SaaS platform that lets e-commerce and consumer brands use first-party data to run targeted email, SMS, and push campaigns, with built-in automation and analytics. The product also includes B2C CRM features for segmentation, A/B testing, and customer lifecycle workflows. Founded in 2012 and headquartered in Boston, it is a public company (NYSE: KVYO) used by brands such as Mattel and Glossier.

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