Senior Software Engineer, Messaging Infrastructure

Stack

Responsibilities

• ▹Own and build features/services that hundreds of thousands of Klaviyo customers rely on daily
• ▹Work on the highly-scalable, highly-available campaign pipeline that processes and delivers hundreds of millions of messages daily, growing to billions
• ▹Collaborate radically with teams and stakeholders across Klaviyo on designs, implementations and engineering practices
• ▹Learn new technologies, bring them to the team and apply them to evolve systems
• ▹Help improve experimentation and development processes, and mentor other engineers
• ▹Participate in the technical interview process to help maintain a high hiring bar
• ▹Contribute as a subject matter expert, helping to level up peers within the team and across Klaviyo

Requirements

• ▹5+ years of professional software engineering experience building and operating production distributed systems
• ▹Deep fluency in at least one backend language (Python, Go, Java, Scala or similar) and comfort navigating large, complex codebases
• ▹Experience with large-scale system architecture, technologies and patterns, understanding their pros/cons and use cases, and applying appropriate tradeoffs in system design
• ▹Passion for digging into performance and scalability issues to drive breakthrough solutions

Soft skills

About the company

Klaviyo is a leading marketing automation platform that helps businesses grow by delivering personalized experiences. Its mission is to empower creators to own their destiny, providing an exceptional developer experience that enables engineering teams to build and ship high-quality software efficiently and with confidence.