About the job
At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each of our team members, whom we affectionately refer to as Klaviyos, brings to our collaborative environment. We believe in providing everyone an equitable opportunity for success and value the unique experiences that extend beyond conventional job qualifications. If you find yourself slightly differing from the outlined requirements, we encourage you to apply. Curious about life at Klaviyo? Explore more at klaviyo.com/careers to discover how we empower creators to take charge of their destinies.
Klaviyo is on a rapid growth trajectory with positions available for various skill levels across all teams. For insights into our engineering culture, visit https://klaviyo.tech.
We thrive on solving complex engineering challenges and seek Engineers who, while specializing in specific fields, are passionate about building, owning, and scaling features from inception to deployment, overcoming any obstacles in their path. We motivate each other to step out of our comfort zones, embrace new technologies, and continuously strive for improvement.
Klaviyo operates a real-time data platform developed in Python, designed for massive scalability on Amazon Web Services (AWS). Our Engineers come from a wide array of programming backgrounds and disciplines.
Team Overview:
The Developer Experience (DevX) team is a dynamic, hybrid product-platform group dedicated to empowering external developers and partners by enhancing the applications they create utilizing Klaviyo’s Public APIs and features. Key areas of responsibility include:
- Managing our Application directory, which facilitates Klaviyo customers in discovering applications available for activation.
- Overseeing the self-service application process for partners to submit their applications, and enabling Klaviyo staff to review and approve submissions.
- Developing API Analytics, a system that assists developers and partners in diagnosing application issues and understanding their API utilization, powered by a near real-time data pipeline processing over 160,000 events per second.
- Generating autogenerated API documentation, SDKs, CLIs, and MCP servers.
Responsibilities:...

