Senior Software Engineer, Platform Engineering
Core
Design and develop foundational platform services and tooling to enable Klaviyo engineering teams to move faster with confidence while driving down infrastructure costs at scale.
Role type
Senior IC Platform Engineer (Infrastructure & Developer Experience)
Builds
Foundational platform services, infrastructure primitives, and developer tooling for internal engineering teams
Domain
Ecommerce technology, Cloud-native infrastructure, Distributed systems
Deliverable
production ML models | product features | infrastructure
Required skills
Python, Go, Kubernetes, Linux, Networking stack, Distributed systems, Cloud-native environments, Infrastructure as code, Observability, Asynchronous processing, High-volume data processing, OLTP/OLAP databases
Preferred skills
Cost optimization, Right-sizing infrastructure, Resource utilization optimization, Large scale data ecosystems (ClickHouse, DynamoDB, Kafka, Spark, Flink, Iceberg, Airflow)
Responsibilities
Design and develop foundational platform services to improve availability, scalability, latency, and cost efficiency; Build deep understanding of engineering needs to guide design of platform primitives; Mentor and pair with engineers on performance, self-healing systems, and defensive programming; Identify and drive cost-optimization opportunities across the platform
Seniority
Senior, hands-on IC