Senior Software Engineer, Product Security

Klaviyo is seeking a Senior Software Engineer to join the Security and Trust organization’s Product Security team. In this role you will work closely with Security, Product, AppSec, and Development teams to build customer facing security features, internal security tooling to support the Security Operations team, secure code libraries to enable secure product development by Klaviyo developers. You will be directly supporting our mission of reducing risk while maintaining secure development speed and enabling customers to operate on a secure platform. As a member of the Product Security team you will positively impact Klaviyo by providing a secure platform for our customers, enabling development teams to securely and independently maintain secure software, and enable the Security Operations team to execute effectively by providing impactful internal tooling.

How you will make a difference:

• Build high impact security solutions within the Klaviyo application
• Support development teams by consulting on new product development
• Develop internal security tooling to support the Security Operations mission
• Work with the Offensive Security and Detection & Response teams to provide infrastructure to support offensive and defensive capabilities
• Assist teams so they can remediate security vulnerabilities and reduce risk by implementing secure code practices / tooling.
• Build automation to prevent security issues from entering our environments or augment security team workflows
• Identify security gaps and determine best ways to increase visibility and reduce risk
• Conduct periodic security reviews of proposed software projects, work with development teams during project development to implement secure code practices, make recommendations across the organization to better secure our code and platforms.

Technologies we use (not exhaustive):

• Python, Django, React, RabbitMQ, Celery, MySQL, Redis, Memcached
• Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Jenkins, GCP
• Splunk, Snowflake, Lacework, Tines, Jira

We’d love to hear from you if you have:

• 4+ years of hands-on secure software development

• Experience developing web applications

  • Django or other modern platforms

• Strong development experience with Python

• Understanding of OWASP top 10 and countermeasures

• Experience deploying software/applications to complex cloud environments (AWS preferred)

• Experience with infrastructure-as-code tools such as Terraform

• Experience in deploying workloads to Kubernetes

• Automation-first approach for all work performed

• Strong oral and written communication skills

• Team player with a strong, self-managing work ethic