Email & SMS Marketing Strategist (eCommerce – Shopify & BigCommerce)

Overview

We are seeking a data-driven and creative Email & SMS Marketing Strategist with deep experience in eCommerce to join our team. This role is ideal for someone who understands the full customer lifecycle and can own strategy, execution, and optimization of email and SMS programs for Shopify and BigCommerce brands. You will be responsible for building high-performing lifecycle marketing systems using Klaviyo, driving revenue through flows, campaigns, segmentation, and continuous optimization.

Key Responsibilities

Strategy & Planning Develop and execute comprehensive email and SMS marketing strategies tailored to eCommerce clients (Shopify & BigCommerce) Map customer journeys and lifecycle touchpoints to maximize conversion, retention, and LTV Collaborate with internal teams (design, dev, account management) to align on client goals and KPIs Email & SMS Flow Development Build, launch, and optimize automated flows in Klaviyo, including Welcome Series Abandoned Cart & Browse Abandonment Post-Purchase & Cross-Sell/Upsell Winback & Re-engagement Subscription & Loyalty flows Implement advanced segmentation and personalization strategies Continuously test and refine flows based on performance data SMS Marketing Set up and manage SMS programs within Klaviyo Ensure compliance with TCPA and best practices Build and optimize SMS automations and campaigns Integrate SMS with email for cohesive omnichannel experiences Campaign Management Plan and execute ongoing email and SMS campaigns (promotional, seasonal, product launches) Own campaign calendar and deployment schedules Write or oversee compelling, conversion-focused copy Coordinate with design teams for high-performing creative assets Optimization & Reporting Monitor key performance metrics (revenue, open rate, CTR, conversion rate, AOV, list growth) Conduct A/B testing across subject lines, content, timing, segmentation, and offers Provide actionable insights and recommendations to improve performance Deliver regular reporting and communicate results to clients/stakeholders Platform & Technical Expertise Manage Klaviyo accounts end-to-end Ensure proper integrations with Shopify and BigCommerce Maintain list health, deliverability, and compliance best practices Troubleshoot issues related to flows, tracking, and data syncing Qualifications 3+ years of experience in email and SMS marketing, preferably in an agency or eCommerce-focused role Hands-on expertise with Klaviyo (required) Strong experience with Shopify and/or BigCommerce Proven track record of building and optimizing revenue-driving flows Experience managing SMS programs and understanding compliance requirements Strong analytical mindset with the ability to translate data into strategy Excellent project management and organizational skills Familiarity with email deliverability best practices Experience with A/B testing and performance optimization Nice to Have Experience working in an agency environment Knowledge of HTML/CSS for email Familiarity with additional tools (Postscript, Attentive, Recharge, etc.) Copywriting or creative direction experience What Success Looks Like Increased revenue attributed to email and SMS channels High-performing automated flows driving consistent ROI Improved engagement metrics and list growth Well-organized, strategic campaign execution across clients Apply To this Job