Senior Platform Engineer: AI-Driven DevTools & Dependencies

Klaviyo Campus; Boston (MA); On-site; USD 148,000 - 222,000; Full time

Job summary

Klaviyo is seeking a Senior Software Engineer for the Developer Infrastructure Team in the United States (Massachusetts/Boston region). You will help define the technical roadmap for Klaviyo’s backend platform, from dependency management to major framework upgrades and productivity tools that reduce toil.

You will work on API-heavy backend services using Python, Go, and modern frameworks, collaborating with security and stakeholders to roll out platform changes.

Qualifications

• 5+ years of software engineering experience with strong CS fundamentals and clean, maintainable code.
• Ability to reason about distributed systems and platform-level decisions.
• Experience with backend or frontend tech in a large-scale product.

Responsibilities

• Drive evolution of the developer platform across the organization.
• Lead dependency management and platform upgrades with hands-on contribution.
• Improve developer productivity and reduce toil across teams.
• Set engineering standards for code quality and reliability.
• Explore AI tooling to accelerate development and platform lifecycle.

Skills

5+ years experience

Platform mindset

Analytical problem solver

AI enthusiast

Ownership

Tools

Python

Go

Django

FastAPI

React

TypeScript

Job description

Klaviyo is seeking a Senior Software Engineer for the Developer Infrastructure Team in the United States (Massachusetts/Boston region). You will help define the technical roadmap for Klaviyo’s backend platform, from dependency management to major framework upgrades and productivity tools that reduce toil.

You will work on API-heavy backend services using Python, Go, and modern frameworks, collaborating with security and stakeholders to roll out platform changes.