The opportunity
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements.
What you'll do
In this role, you will drive the technical design and lead the implementation: of high-impact user-experience improvements across the Klaviyo product, focusing on areas critical to new customer success and adoption. You will own the entire project lifecycle, working through ambiguity and requirements refinement to execution and delivery.
You will own the end-to-end experimentation process, including contributing: to the definition of strategy, architecting and implementing A/B tests to validate product hypotheses, and interpreting data to drive significant iterative improvements. You will be accountable for the quality and operational health of the features you deliver.
You will serve as a technical leader and liaison, collaborating proactively: with partners across teams to define and prioritize key technical initiatives to shape the long-term product roadmap.
You will take a lead role in mentoring and providing technical guidance to: other engineers on the team, elevating our experimentation, development, and operational practices, ensuring contributions consistently leave the product area better than when you found it.
You will define the architectural approach and technical strategy for your: area of responsibility, anticipating scalability and reliability needs, including leveraging AI agents in our work and delivery, ensuring the solution is robust, scalable, and adheres to best practices for security, performance, and maintainability.
Working from our Boston HQ 5 times per week
What they're looking for
- Have an extensive background in full stack software engineering,: demonstrating deep understanding of Klaviyo’s systems and the ability to architect, deliver, and maintain software with an emphasis on high-scale, user-facing features, and their supporting APIs and infrastructure.
- Demonstrated ability to drive technical strategy and improvement using a: data-driven mindset, leading to measurable business results and upholding best practices.
- Demonstrated technical experience in using and championing AI-driven software: delivery practices and methods, a passion for continuous learning and mentoring, and the ability to work productively through others to set them up for project success.
- Experience driving A/B testing strategies for products with metric-based: goals to significantly improve user experience, customer acquisition, and success is a strong plus.
