✦ Luna Orbit — Software Engineering

Director of Engineering, Messaging Infrastructure

at Klaviyo

📍 Dublin, IE Onsite Posted March 18, 2026
Type Full-Time
Experience lead
Exp. Years Not specified
Education Not specified
Category Software Engineering

Klaviyo seeks a Director of Engineering for Messaging Infrastructure to lead the development and operation of a high-scale, multi-channel messaging platform. The role involves overseeing platform reliability, compliance, and innovation to support business growth.

  • Own messaging platform end to end
  • Increase deliverability & throughput
  • Harden compliance & safety
  • Accelerate developer velocity
  • Build and scale high-performing org

The role involves managing messaging services across email, SMS, push notifications, and WhatsApp, utilizing cloud platforms like AWS, Azure, and GCP, with expertise in scalable architecture, incident response, and privacy compliance.

The ideal candidate is a senior engineering leader with extensive experience in messaging platforms, cloud infrastructure, and compliance. They possess strong leadership skills, technical expertise in scalable architectures, and a strategic mindset to drive platform reliability and innovation.

Messaging Infrastructuremulti-region architectureSLOserror budgetsincident responseprivacy & complianceAPIsSDKscloud architecture
AImachine learningincident management toolsrate-limitingfeedback processingpre-flight checkswarm-up strategies
KubernetesDockerAWSAzureGCPServiceNowJira
Messaging InfrastructureemailSMSmobile pushWhatsAppmulti-tenant platformscalable architectureSLOsincident responseprivacy & complianceTCPACAN-SPAMGDPRAPIsSDKscloud architectureAIincident management
Messaging InfrastructureemailSMSmobile pushWhatsAppmulti-tenant platformscalable architectureSLOserror budgetsMTTRincident responseprivacy & complianceTCPACAN-SPAMGDPRAPIsSDKscloud architectureAIincident management
leadershipstrategic planningteam managementcommunicationproblem-solvingcollaborationadaptability
Industry SaaS
Job Function Lead the engineering team responsible for messaging infrastructure and platform reliability
Role Subtype Systems Administrator
Tech Domains Active Directory, Microsoft 365, Azure, Amazon Web Services, Google Cloud Platform, Kubernetes, Docker, Python, JavaScript, SQL / PostgreSQL
Messaging InfrastructureemailSMSmobile pushWhatsAppmulti-tenant platformscalable architectureSLOserror budgetsincident responseprivacy & complianceTCPACAN-SPAMGDPRAPIsSDKscloud architectureAIincident management

Lack of experience with multi-tenant messaging platforms, No leadership or team management experience, Inability to work onsite in Dublin, No experience with cloud architecture or incident management

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