Cloud-Native Security Engineer II

Klaviyo; Dublin; Hybrid; EUR 76,000 - 114,000; Full time

Benefits offered by this job

Hybrid work model

Relocation assistance

Job summary

Klaviyo is seeking an experienced engineer to design, build, and operate cloud-native security services in production. You’ll own components end to end, collaborate with senior engineers, and continually improve reliability, performance, and security across distributed systems.

We value ownership, continuous learning, and collaboration, with a hybrid Dublin-based role and a strong push toward scalable, secure architectures.

Qualifications

• 3+ years of experience building and operating cloud-native, distributed systems in production.
• Production-quality code in Python or Go.
• Hands-on experience with AWS and managed services, networking and IAM concepts.
• Experience with containers and orchestration platforms such as Kubernetes.
• Ability to own services and features independently while seeking feedback when needed.
• Understanding of scalable multi-tenant architectures and secure system design.

Responsibilities

• Design, build, and maintain cloud-native security services used across Klaviyo.
• Own components and services end to end from implementation through production operation.
• Improve availability, latency, and efficiency of security systems.
• Collaborate with senior engineers on system design and architecture.
• Build tooling, automation, and documentation to improve developer experience and security posture.

Skills

Python

Golang

AWS

Kubernetes

Terraform

Distributed systems

Tools

MySQL

Redis

Memcached

RabbitMQ

Celery

Apache Kafka

Apache Pulsar

Django

FastAPI

Job description

Klaviyo is seeking an experienced engineer to design, build, and operate cloud-native security services in production. You’ll own components end to end, collaborate with senior engineers, and continually improve reliability, performance, and security across distributed systems.

We value ownership, continuous learning, and collaboration, with a hybrid Dublin-based role and a strong push toward scalable, secure architectures.