Software Engineering • Lead

Who you are

5+ years of software engineering experience with a focus on building scalable systems — you've led teams in designing and implementing high-throughput applications that deliver reliable performance under load. Your background includes hands-on coding and a deep understanding of system architecture, particularly in messaging and email delivery systems.

Strong expertise in Java and AWS — you've developed applications that leverage cloud infrastructure for scalability and reliability. You understand the nuances of building systems that can handle large volumes of data and traffic, ensuring optimal performance and user satisfaction.

You possess excellent leadership skills — guiding a team of engineers, you foster collaboration and innovation while ensuring that projects align with business goals. Your ability to communicate complex technical concepts to non-technical stakeholders is a key asset.

You thrive in a fast-paced environment where you can make a significant impact — your work directly influences customer satisfaction and business success, especially as Klaviyo expands its enterprise capabilities.

Desirable

Experience with email delivery systems or similar high-throughput applications is a plus. Familiarity with performance optimization techniques and monitoring tools will help you excel in this role.

What you'll do

As a Lead Software Engineer on the Email Platforms team, you'll be responsible for designing and scaling the infrastructure that supports Klaviyo's email delivery. You'll lead a group of engineers in developing the next generation of email sending pipelines, ensuring they are reliable and performant.

Your role will involve driving the architecture of the messaging infrastructure, owning critical components of the email pipeline, and shaping the technical direction of the team. You'll contribute to code, design, and lead strategic initiatives that enhance the email delivery process.

You will collaborate closely with cross-functional teams to ensure that the email systems meet the needs of Klaviyo's enterprise clients. Your insights will help improve deliverability and customer satisfaction as you work on projects that directly impact the business.

What we offer

Klaviyo provides a supportive environment where your unique background and experiences are valued. You'll have the opportunity to work on cutting-edge technology that empowers creators and businesses to succeed. We encourage you to apply even if your experience doesn't match every requirement, as we believe in the potential of diverse teams to drive innovation.