**Location: 100% Remote Position** **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 Do** * Build \& schedule **email and SMS campaigns** (build from Figma to Klaviyo) * Create and optimize **flows with advanced triggers and logic** * Use **dynamic variables** to pull custom properties from Recharge, Shopify, Rivo, Wonderment, etc. * Manage **segmentation** and ensure correct entry/exit logic * Monitor and suggest improvements for deliverability * Set up integrations (Zapier, webhooks, app connections) * Support the team with technical troubleshooting and process improvements **Requirements** * **Expert\-level Klaviyo** (campaigns, flows, segments, variables) * Strong experience in **email/SMS retention**, preferably in DTC/e\-commerce * Ability to understand customer journey logic and event\-triggered automations * Experience with subscription tools (Recharge) and Shopify data * Great attention to detail — nothing goes live without checks * Strong communication and ability to work autonomously **Nice to Have** * Basic HTML/CSS for simple pages inside Klaviyo * Knowledge of deliverability tools (e.g., Google Postmaster) * Experience with Zapier, webhooks, Attentive **Why Join Us** * Competitive, flexible salary * Paid holidays * Fully remote \& flexible schedule * Global, supportive team * Growth opportunities \+ access to courses and learning resources * Work on a mission\-driven brand helping women improve their health If you’re a technical Klaviyo expert who loves building smart, personalized customer journeys — **we’d love to meet you.** PMvMDFrOUD