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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Senior Software Engineer, Infrastructure Security

Requirements

  • You care deeply about building software for the long term
  • You have strong hands-on experience with Linux operating systems and computer networking
  • You're comfortable and experienced writing code in a programming language such as Python, Ruby, Go, etc.
  • You have deep experience with cloud infrastructure, operating in a high-scale environment
  • You have strong hands-on experience building and operating highly available systems
  • You’ve led the delivery of significant projects or features independently
  • You have deep expertise in one or more areas of modern web engineering
  • You regularly use AI-powered tools in your development workflow
  • You take ownership of operational excellence for the systems you build
  • You enjoy working in small, autonomous, agile teams

What you'll be doing

  • Ship foundational security services to enable Klaviyo engineering to move faster with confidence
  • Design and develop systems and processes that enable highly available & scalable systems
  • Design, build, and deliver software to improve the availability, scalability, latency, and efficiency of Klaviyo’s services
  • Achieve breakthroughs in systems throughput by identifying and eliminating bottlenecks
  • Leverage technology such as Python, Golang, AWS, Django, Kubernetes, Bash, Terraform, MySQL, Redis, Clickhouse, Iceberg, DataLake, etc.
  • Champion best practices and collaborate with other teams on technical design review
  • Mentor and pair with other Klaviyo engineers to build better software
  • Prototype and advocate for architectural improvements
  • Work hand-in-hand with product-facing engineers to ship impactful code
  • Participate in on-call duties and solve issues to prevent recurrences
  • Produce and advocate for preventative, upstream solutions with stakeholders
  • Make informed, data-driven choices in a fast-paced environment

Nice to Have

  • Experience building security tooling and working with security infrastructure systems
  • Hands-on experience diagnosing and improving systems performance

Perks & Benefits

  • Location in Dublin, Ireland with a hybrid working model
  • Support for work authorization and relocation
  • Salary range: €92,000 - €138,000 EUR
  • Inclusive teams and commitment to building inclusive culture
  • Opportunities for growth and learning
AI Summary ✨
Klaviyo logo

Klaviyo

Dublin, Ireland

Experience: Senior
Posted: March 31, 2026
Last seen: 26 minutes ago
Aws
Django
Fastapi
Golang
Kubernetes
Mysql
Postgresql
Python
React
Redis
Terraform
backend

Why we track Klaviyo

Klaviyo is a marketing automation platform focused on e-commerce. They have engineering teams in London and Dublin with strong compensation. The engineering challenges involve large-scale data processing, ML-powered personalization, and real-time messaging infrastructure.

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