Jobs at Klaviyo

Identify high-potential companies, develop outbound prospecting strategies with Mid-Market Account Executives, and generate sales opportunities. Create, test, and refine messaging across channels, industries, and personas. Share outbound best practices with teammates and contribute to Klaviyo’s sales and marketing feedback loop while consistently pursuing goals in a fast-paced environment.

Provide German- and English-language product support for Klaviyo customers via email and live chat. Troubleshoot SaaS/product issues, document resolutions, escalate when needed, advise on non-technical e-commerce/marketing questions, and help improve workflows with AI-driven tools while meeting KPIs.

Lead and build a Dublin-based SRE and Security Engineering organization responsible for platform availability, performance, automation, incident response, and GDPR compliance. Define strategy and roadmap, embed secure reliability across the SDLC, drive automation/self-service tooling, manage distributed teams, and lead security and reliability incident response and post-mortems.

Lead EMEA sales enablement strategy and roadmap, drive adoption of global programs, design rep development and onboarding, run needs analyses, deliver training and workshops, coach managers and AEs, partner with Product and Marketing for enablement content, measure enablement impact, and present results to sales leadership to drive growth.

As an Outbound Business Development Representative at Klaviyo, you'll identify potential clients, collaborate with account executives on strategies, and improve messaging to contribute to sales success.

Design, build, and operate core platform services to improve availability, scalability, latency, and cost efficiency. Develop platform primitives (infra, databases, queuing), enable developer experience, and implement tooling for observability, self-healing, configuration-as-code, and cost optimization.

Lead and scale Klaviyo's international workplace operations across EMEA and APAC. Hire and develop a distributed team, manage office launches and vendor relationships, drive workplace strategy and technology improvements, ensure operational consistency and local compliance, and partner cross-functionally on employee experience, space planning, and programs for multiple offices and time zones.

Own the full sales cycle to build Klaviyo's EMEA client base: qualify, demo, and close net-new MarTech SaaS deals, manage a high-volume pipeline, outbound to prospects, support and mentor peers, and drive long-term territory growth.

Lead technical design and delivery of Klaviyo's messaging pipeline, building scalable backend services (Python/Go), driving architecture, mentoring engineers, collaborating across product, compliance, and platform, and ensuring high-throughput, reliable message delivery at scale.

Design, build, and own highly scalable, highly available messaging infrastructure that processes hundreds of millions to billions of messages daily. Collaborate across teams on architecture, performance, monitoring, and reliability; mentor engineers; improve development and experimentation processes; participate in hiring and technical design.

Design, build, and own features and services for Klaviyo's large-scale messaging platform. Drive performance, scalability, monitoring, and reliability for a pipeline that delivers hundreds of millions to billions of messages. Collaborate across teams, mentor engineers, and participate in hiring and technical process improvements.

Lead and develop Sales Managers and Account Executives across Europe, drive regional go-to-market strategy, hire and coach talent, manage forecasting and performance, improve pipeline and sales processes, partner cross-functionally, and apply AI fluency to drive deal management and scale commercial operations.

Lead a team of outbound BDRs to exceed quotas, focusing on motivation, training, and performance improvement. Collaborate across departments for best practices.