Klaviyo

Klaviyo

Senior Software Engineer - Infrastructure Security

Boston, MA · Senior

Work authorization required$148k-$222kDetected 11 days ago
PythonGoReactDjangoFastAPIDistributed SystemsCode ReviewMySQLRedisAWSKubernetesTerraformKafkaRabbitMQCybersecurityIncident ResponseOnboardingCustomer SuccessZero Trust

About the role

  • If you're a close but not exact match with the description, we hope you'll still consider applying.
  • Want to learn more about life at Klaviyo?
  • Security is built in by default-seamless and effortless-making engineers' lives better and Klaviyo more secure.

Responsibilities

  • As a Senior Software Engineer on the Infrastructure Security team, you will build and operate the systems that help Klaviyo engineers ship secure software with confidence.
  • Design, build, and maintain cloud-native security services used across Klaviyo
  • Own meaningful components and services end to end, from implementation through production operation
  • Collaborate with senior engineers on system design and architecture, contributing ideas and technical solutions
  • Identify performance, reliability, and security issues in distributed systems and drive improvements
  • Participate actively in design reviews, code reviews, and whiteboarding sessions
  • Build tooling, automation, and documentation that improve developer experience and security posture
  • Partner with product-facing and platform engineers to ship impactful, secure solutions
  • This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events.
  • We empower creators to own their destiny by making first-party data accessible and actionable like never before.

Requirements

  • You are comfortable writing production-quality code in a language such as Python or Go
  • You have hands-on experience with AWS (or a similar cloud provider) and understand managed services, networking, and IAM concepts
  • You have experience working with containers and orchestration platforms such as Kubernetes
  • You have experience writing infrastructure as code using languages such as Terraform
  • You are comfortable participating in on-call and responding to production issues
  • You are an excellent communicator and collaborator.
  • You enjoy working on small, autonomous, agile teams, shipping early and often, pairing with product managers, business stakeholders, and other engineers to craft better software.

Nice to have

  • Experience with service meshes, API gateways, or zero-trust architectures
  • Experience improving performance in distributed systems or debugging complex multi-service workflows
  • This role is based in Boston, Massachusetts.
  • Klaviyo is growing fast and we have openings for all skill levels across all of our teams.

Skills

  • Klaviyo's platform is primarily built with Python and React and runs on AWS.
  • Engineers join us from a wide range of technical backgrounds and are supported in learning our stack.
  • Core technologies include:
  • Python / Django / Golang / FastAPI
  • MySQL / Redis / Memcached
  • RabbitMQ / Celery / Apache Kafka / Apache Pulsar
  • AWS / Terraform / Kubernetes
  • Location & Work Model
  • Learn more about our engineering culture at https://klaviyo.tech
  • For jobs or candidates in NYC, certain features may qualify it as an AEDT.
  • Please see the independent bias audit report covering our use of Covey here
  • Massachusetts Applicants:

Compensation

  • $148,000 - $222,000 USD
  • Our salary range reflects the cost of labor across various U.S. geographic markets.

Benefits

  • Participate in an on-call rotation with a focus on learning, prevention, and reducing operational toil
  • If you're ready to do the best work of your career, where you'll be welcomed as your whole self from day one and supported with generous benefits, we hope you'll join us.
  • The base salary offered for this position is determined by several factors, including the applicant's job-related skills, relevant experience, education or training, and work location.

Equal opportunity

  • Klaviyo is committed to a policy of equal opportunity and non-discrimination.

Visa & Work Authorization

  • Klaviyo supports work authorization and relocation for this position.
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This listing is sourced directly from Klaviyo's careers page and normalized into a canonical job model.