Senior Software Engineer, Platform Engineering | Klaviyo

Klaviyo’s Platform Engineering team provides infrastructure primitives, platforms, tooling, and guidance to Klaviyo’s engineering organization. This role focuses on core platform services and developer experience. As a Senior Software Engineer, you will craft a paved path for product teams to manage their services and applications, owning the design and development of foundational platform services that help engineering teams move faster with confidence.

Key Responsibilities

• Ship foundational services that let Klaviyo engineering move faster with confidence
• Build a deep understanding of engineering needs across the organization, guiding the design of platform primitives (infrastructure, databases, queuing, etc.) that align with the platform’s vision and empower product teams
• Design, develop, and deliver software that improves the availability, scalability, latency, and efficiency of Klaviyo’s core platforms, helping teams meet their SLOs
• Design systems and processes that enable highly available, scalable applications
• Use Python, Go, AWS, and Kubernetes to advance Klaviyo’s platform
• Mentor and pair with other engineers, focusing on performance, self-healing systems, configuration as code, and defensive programming

Requirements

• BA or BS in Computer Science or a related field, or equivalent experience
• 5+ years of experience operating and scaling complex distributed systems
• Experience in a cloud-native environment
• Proven experience developing applications in Python and Go
• Experience operating Kubernetes at scale
• Experience with Terraform
• Fundamental understanding of Linux and all layers of the networking stack
• Experience in a subset of platform areas such as Kubernetes, infrastructure as code, API gateways and traffic management, observability, or asynchronous processing tooling
• Experience or interest in responsibly applying AI tools to your work

Skills

Technical Skills

• Python and Go
• AWS, Kubernetes, Terraform
• Distributed systems and cloud-native architecture
• Linux and networking
• Observability, API gateways, and asynchronous processing

Soft Skills

• Mentoring and pairing with other engineers
• Understanding engineering teams’ needs
• Willingness to learn quickly

Benefits

• Total compensation may include an annual cash bonus, equity, and sign-on payments, depending on eligibility
• Comprehensive health, welfare, and wellbeing benefits