Senior Software Engineer - Profiles, Lists And Segments
Klaviyo
Boston, MA, United States
$148,000 - $222,000 usd py
On-site
Typescript, react, redux, python, django
Scalable systems for customer data
Intuitive workflows for customer audiences
The PLS team is responsible for building and scaling the core customer data experiences at Klaviyo — profiles, lists, and real-time segments
Job Summary
The PLS team is responsible for building and scaling the core customer data experiences at Klaviyo — profiles, lists, and real-time segments.
As a Senior Software Engineer on the team, you’ll play a key role in designing and building scalable systems that power how customers manage and activate their data.
This role leans frontend, with a strong focus on crafting thoughtful, reusable components and seamless user experiences using technologies like TypeScript, React, Python, and Django.
Matching Summary
The PLS team is responsible for building and scaling the core customer data experiences at Klaviyo — profiles, lists, and real-time segments.
Salary
$148,000 - $222,000 USD
Skills & Requirements
Must-have
TypeScript, React, Redux, Python, Django
Scalable systems for customer data
Intuitive workflows for customer audiences
AI-powered feature delivery
RESTful and GraphQL APIs
Nice-to-have
Empowering creators with first-party data
Delighting customers with personalized experiences
Key Requirements
5+ years of experience in full-stack development
Strong hands-on skills in React, Redux, JavaScript, HTML, and CSS
Familiarity with general web best practices
Track record of delivering AI-powered work
Experience with code reviews and robust testing cycles
Experience with automated testing practices and frameworks
Experience evolving APIs and data models
Proven track record of leading complex, multi-quarter projects