Klaviyo

Senior Software Engineer - Growth

Klaviyo
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3 months ago
Boston, MA, USASenior
H1B sponsor

Base Salary

$148k - $222k/yr

Responsibilities

  • Drive technical design and lead implementation of high-impact user-experience improvements focused on new customer success and adoption
  • Own the full project lifecycle from requirements refinement through execution and delivery
  • Define strategy for and architect, implement, and interpret end-to-end A/B tests
  • Ensure the quality and operational health of delivered features
  • Collaborate with cross-functional partners to define and prioritize technical initiatives and shape the product roadmap
  • Mentor and provide technical guidance to engineers while improving experimentation, development, and operational practices
  • Define architectural approaches and technical strategy while anticipating scalability, reliability, security, performance, and maintainability needs
  • Leverage AI agents in engineering work and delivery

Requirements

  • Extensive full-stack software engineering experience with the ability to architect, deliver, and maintain high-scale user-facing features and supporting APIs and infrastructure
  • Ability to drive technical strategy and improvement using a data-driven approach and measurable business results
  • Technical experience using and championing AI-driven software delivery practices
  • Ability to mentor engineers and work productively through others to enable project success
  • Experience driving A/B testing strategies for products with metric-based goals is a strong plus
  • Ability to work effectively in an entrepreneurial, customer-focused, strategic environment and bring clarity to ambiguous challenges

Benefits

  • Hybrid work from the Boston HQ at least three days per week
  • Up to 10% travel may be required for onboarding, client or partner work, team meetings, and industry events
  • Comprehensive health, welfare, and wellbeing benefits based on eligibility
  • Potential annual cash bonus, equity, and sign-on payments
  • Travel is coordinated in advance

Tech Stack

AnsibleApache CassandraAWSDjangoHTMLJavaScriptMySQLPythonRabbitMQReactRedisTerraformTypeScript

Categories

Full StackGrowth Engineering
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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