Senior Full-Stack Engineer - Lead & Build Customer Hub

Klaviyo Inc.

Boston, Northern (MA, KY)

Hybrid

USD 148,000 - 222,000

Full time

9 days ago

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Job summary

Klaviyo is seeking a Senior Software Engineer for its Customer Hub in Boston. You will lead end-to-end development across front-end and back-end, shaping outcomes, mentoring teammates, and driving critical architectural decisions to deliver reliable, high-performance software.

Join a fast-moving team that values radical ownership, collaboration, and impact while leveraging AI to build smarter systems and elevate the shopper journey.

Qualifications

5+ years of experience in a software engineering role.
Experience delivering end-to-end software using front-end and back-end technologies.
Experience with React and related technologies.
Experience leading projects and mentoring team members.
Experience conducting code reviews and robust testing.
Experience working in agile, fast-paced environments.
Experience using AI effectively in software development.

Responsibilities

Lead initiatives to enhance product offerings and growth.
Develop end-to-end solutions across front-end and back-end.
Optimize existing products and create new solutions for customers.
Mentor team members and drive key technology decisions.
Deliver well-designed, thoroughly tested solutions ensuring reliability and performance.

Skills

Software engineering

React

End-to-end development

Leadership

Mentoring

Code reviews

Agile

AI in development

Tools

AWS

TypeScript

Python

Django

Job description

Join a fast-moving team that values radical ownership, collaboration, and impact while leveraging AI to build smarter systems and elevate the shopper journey.

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