Senior Frontend Engineer, Real-Time Profiles & Segments

Klaviyo Inc.; Boston (MA); On-site; USD 120,000 - 150,000; Full time

Job summary

A leading tech company is seeking a Senior Software Engineer to join their Profiles, Lists, and Segments (PLS) team. This role is pivotal in creating scalable systems that allow customers to manage their data effectively using technologies like React, TypeScript, and Python. You will collaborate closely with Product, Design, and Data Science teams, mentor colleagues, and lead projects to improve customer experiences. Ideal candidates should have 5+ years of experience in full-stack development with proven leadership in delivering complex projects.

Qualifications

• 5+ years of experience in full-stack development with strong skills in React, Redux, JavaScript, HTML, and CSS.
• Experience conducting code reviews and using automated testing frameworks.
• Proven ability to lead complex, multi-quarter projects with cross-team collaboration.

Responsibilities

• Design and build scalable systems for customer data management.
• Create user-friendly high-performance editors.
• Mentor team members and lead skill development initiatives.

Skills

Full-stack development

React

Redux

JavaScript

HTML

CSS

Automated testing

RESTful APIs

GraphQL APIs

Tools

Amazon Web Services

Terraform

MySQL

RabbitMQ

Redis

ProxySQL

Job description

A leading tech company is seeking a Senior Software Engineer to join their Profiles, Lists, and Segments (PLS) team. This role is pivotal in creating scalable systems that allow customers to manage their data effectively using technologies like React, TypeScript, and Python. You will collaborate closely with Product, Design, and Data Science teams, mentor colleagues, and lead projects to improve customer experiences. Ideal candidates should have 5+ years of experience in full-stack development with proven leadership in delivering complex projects.