Klaviyo

Sr. Software Engineer, Messaging Infrastructure

Klaviyo
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3 months ago
Dublin, IrelandMid Level / Senior

Responsibilities

  • Own and build features and services relied upon by hundreds of thousands of Klaviyo customers.
  • Craft and evolve a highly scalable, highly available campaign pipeline processing hundreds of millions of messages daily and scaling toward billions.
  • Collaborate with teams and stakeholders on designs, implementations, and engineering practices.
  • Improve experimentation and development processes and introduce useful technologies to the team.
  • Mentor engineers, participate in technical interviews, and contribute as a subject matter expert.

Requirements

  • 4–6+ years of software engineering experience and experience architecting, building, and delivering at least one complex system.
  • Experience with large-scale system architecture, technologies, patterns, tradeoffs, and system design.
  • Ability to investigate performance and scalability issues involving workflows, database queries, and queues.
  • Familiarity with data-driven product improvement, system monitoring, and alerting techniques.
  • Proven experience coaching and mentoring team members.
  • Ability to work effectively on small, autonomous, high-performing teams and collaborate across stakeholders.

Benefits

  • Hybrid working model in Dublin, Ireland.
  • Work authorization and relocation support.
  • Potential annual cash bonus, equity, sign-on payments, and health, welfare, and wellbeing benefits based on eligibility.
  • May require up to 10% travel for onboarding, client or partner work, team meetings, and industry events.

Tech Stack

AWSDjangoJenkinsMySQLPythonReactRedisTerraform

Categories

Klaviyo

About Klaviyo

1,001-5,000 employees

Klaviyo builds a subscription SaaS platform that lets e-commerce and consumer brands use first-party data to run targeted email, SMS, and push campaigns, with built-in automation and analytics. The product also includes B2C CRM features for segmentation, A/B testing, and customer lifecycle workflows. Founded in 2012 and headquartered in Boston, it is a public company (NYSE: KVYO) used by brands such as Mattel and Glossier.

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