Retention & Klaviyo Engineer Specialist

Happy Mammoth is a fast-growing e-commerce company focused on women’s gut, digestive, and hormonal health. We’re looking for a highly technical Retention & Klaviyo Engineer Specialist to own email, SMS, and lifecycle automations across our global customer base.What You’ll DoBuild & schedule email and SMS campaigns (build from Figma to Klaviyo)Create and optimize flows with advanced triggers and logicUse dynamic variables to pull custom properties from Recharge, Shopify, Rivo, Wonderment, etcManage segmentation and ensure correct entry/exit logicMonitor and suggest improvements for deliverabilitySet up integrations (Zapier, webhooks, app connections)Support the team with technical troubleshooting and process improvementsRequirementsExpert-level Klaviyo (campaigns, flows, segments, variables)Strong experience in email/SMS retention, preferably in DTC/e-commerceAbility to understand customer journey logic and event-triggered automationsExperience with subscription tools (Recharge) and Shopify dataGreat attention to detail — nothing goes live without checksStrong communication and ability to work autonomouslyNice to HaveBasic HTML/CSS for simple pages inside KlaviyoKnowledge of deliverability tools (e.g., Google Postmaster)Experience with Zapier, webhooks, AttentiveWhy Join UsCompetitive, flexible salaryPaid holidaysFully remote & flexible scheduleGlobal, supportive teamGrowth opportunities + access to courses and learning resourcesWork on a mission-driven brand helping women improve their healthIf you’re a technical Klaviyo expert who loves building smart, personalized customer journeys — we’d love to meet you.Powered by JazzHRKnTsY70GYC