Jobs at Klaviyo

The Partner Sales Specialist will build and deepen partnerships with new marketing agencies and systems integrators in specified regions, driving growth by leveraging Klaviyo's tools and resources while ensuring partner success.

Manage a portfolio of new customers through 30–90 day onboarding to achieve go-live and fast time-to-value. Create tailored onboarding plans, guide platform setup and integrations, provide proactive 1:1 technical and non-technical support, track milestones and health metrics, and partner with Sales, Support, and Product to resolve issues and drive adoption.

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

Onboarding Specialists guide new customers through their first 30-90 days, helping with implementation, product adoption, and relationship building.

As a Software Engineer on the Infrastructure Security team, you will design, build, and maintain cloud-native security services, improve system efficiency, and collaborate with engineers to ship secure software.

Handle high-volume inbound demo requests and free accounts, run consultative demos aimed at one-call closes, qualify prospects, manage a high-velocity pipeline, and drive new logo acquisition while collaborating cross-functionally to improve customer experience and activation.

Manage full sales cycle for Klaviyo across EMEA, build and maintain pipeline, close net-new MarTech SaaS business, apply AI fluency to improve productivity, mentor peers, and collaborate cross-functionally to drive customer growth.

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.

As a Site Reliability Engineer II at Klaviyo, you will ensure platform reliability and scalability, automate operational tasks, and improve systems through observability and collaboration with teams.

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.

Manage full sales cycle for MarTech SaaS across EMEA, build and manage a high-volume pipeline, close net-new revenue, outbound proactively, support peer success, mentor new AEs, and represent Klaviyo values while meeting quota.

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 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.

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 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.

The Renewal Specialist at Klaviyo manages customer renewals, supports retention efforts, collaborates across teams, and ensures a seamless customer experience while identifying upsell opportunities.