Klaviyo
Senior Software Engineer, Platform Engineering
$148K–$222K
Boston, MA +1 · Senior · Full-time · Posted Jun 25, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States - Experience
- 5+ years of responsibility operating and scaling complex distributed systems.
- Education
- BA or BS Degree in Computer Science, related field, or equivalent experience.
About the job
Designs and builds core platform services and developer tools that help Klaviyo’s product engineering teams operate applications reliably and move faster.
What you'll do
- Develop foundational platform services and primitives, informed by engineering needs across the organization.
- Improve platform availability, scalability, latency, and efficiency, and enable highly available applications.
- Mentor and pair with engineers, advancing practices such as performance optimization, self-healing systems, and configuration as code.
What they ask for
- 5+ years of responsibility operating and scaling complex distributed systems.
- Experience in a cloud-native environment and operating Kubernetes at scale.
- Proven application development experience in Python and Go.
- Experience with Terraform and fundamental understanding of Linux and all layers of the networking stack.
Nice to have
- Experience in a subset of platform areas such as infrastructure as code, API gateways and traffic management, observability, or asynchronous processing tooling.
- Prior experimentation with AI in work or personal projects and interest in learning AI tools and workflows.
Pay
$148,000 — $222,000 USD (base salary)
Tools
Python, Go, AWS, Kubernetes, Terraform, Linux
AI focus
Experiment with AI in work or personal projects and responsibly explore AI tools and workflows to improve work efficiency.
Model-written summary · the original posting is authoritative