Senior Software Engineer - SecEng

Klaviyo

7 days ago

Boston, MA, USA

Senior

H1B Sponsor

Base Salary

$148k - $222k/yr

Responsibilities

Design, build, and maintain cloud-native security services used across Klaviyo.
Own meaningful components and services end to end, from implementation through production operation.
Improve the availability, scalability, latency, and efficiency of infrastructure security systems.
Collaborate with senior engineers on system design and architecture.
Identify performance, reliability, and security issues in distributed systems and drive improvements.
Work extensively with technologies such as Python, Golang, AWS, Kubernetes, Terraform, and modern data stores.
Participate actively in design reviews, code reviews, and whiteboarding sessions.
Contribute to operational excellence through monitoring, alerting, and incident response.
Participate in an on-call rotation with a focus on learning and reducing operational toil.
Build tooling, automation, and documentation that improve developer experience and security posture.
Partner with product-facing and platform engineers to ship impactful, secure solutions.

6+ years of experience building and operating cloud-native, distributed systems in production.
Comfortable writing production-quality code in Python or Go.
Hands-on experience with AWS or a similar cloud provider.
Experience working with containers and orchestration platforms such as Kubernetes.
Ability to own services and features independently while seeking feedback.
Understanding of scalable, multi-tenant architectures and secure system design.
Care about reliability, performance, observability, and security.
Comfortable participating in on-call and responding to production issues.
Excellent communication and collaboration skills.
Ability to handle complex systems in outage situations and drive root cause analysis.
Experience with AI tools and workflows is a plus.
Proactive in seeking improvements in workflows, architecture, and team processes.
Mentor and support other engineers through design and code reviews.

Apache KafkaAWSDjangoFastAPIGoKubernetesMySQLPythonRabbitMQReactRedisTerraform