Senior Software Engineer Profiles, Lists and Segments
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Job Location:
Boston, NH - USA
Monthly Salary:
Not Disclosed
Posted on:
Yesterday
Vacancies:
1 Vacancy
Job Summary
Why You Should Join the PLS (Profiles Lists and Segments) Team:
The PLS team is responsible for building and scaling the core customer data experiences at Klaviyo profiles lists and real-time segments. We own the tools that let customers understand who their users are group them into meaningful audiences and keep those audiences up to date as new data flows in. Our work underpins how customers target personalize and measure every message they send making this product area core to Klaviyos continued success.
As a Senior Software Engineer on the team youll play a key role in designing and building scalable systems that power how customers manage and activate their data. Partnering closely with product managers data scientists and other platform teams youll help define scope translate complex data and UX problems into practical implementations and build intuitive workflows that give customers confidence in their audiences. 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. There are ample opportunities for growth given the scope of this role and the teams central role in Klaviyos product.
How You Will Make a Difference:
- You will be a core member of the PLS team working on impactful customer-facing features that will make our product the best in the industry.
- You will work on creating easy-to-use editors that are highly performant.
- You will work closely with Product Design and Data Science to provide the best experience for our customers.
- You will mentor team members and drive initiatives that help the team learn new skills.
Who You Are:
- 5 years of experience in full-stack development with strong hands-on skills in React Redux JavaScript HTML and CSS along with familiarity with general web best practices.
- Has a track record of delivering and shipping work powered by or accelerated through AI.
- Experience conducting code reviews and running a robust testing cycle using automated testing practices and frameworks including end-to-end and integration tests (e.g. cypress pytest).
- Experienced with RESTful and GraphQL APIs and evolving APIs and data models to support product success.
- You take ownership of your workfrom requirements and edge cases to implementation and testingand are motivated by solving tough problems with others.
- Proven track record of leading complex multi-quarter projects involving cross-team collaboration and being accountable for their outcomes
Technologies We Use (not exhaustive):
- React TypeScript Redux
- Python Django
- Amazon Web Services (EC2 RDS Aurora S3 etc.) Terraform and other DevOps tools
- MySQL RabbitMQ Redis ProxySQL
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Required Experience:
Senior IC
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- AWS
- Data Structures
- Software Development
- Java
- Distributed Systems
About Company
Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results. Build personalized, omnichannel experiences across WhatsApp, ecommerce, and more with K:AI Agents.
