Email & SMS Marketing Specialist — Klaviyo Expert

We are looking for an experienced Email & SMS Marketing Specialist with strong hands-on experience in Klaviyo to help us build, manage, optimize, and scale our customer communication strategy. This is a part-time/freelance position limited to a maximum of 10 hours per week. We are looking for someone highly experienced and efficient who can focus those hours on strategy, implementation, optimization, and measurable results. We need someone who understands much more than simply sending newsletters. The ideal candidate should be able to build a complete customer lifecycle marketing system using email, SMS, segmentation, automation, behavioral data, and performance reporting. Key Responsibilities Manage and optimize Klaviyo as our primary Email & SMS platform Build and improve automated customer flows Create lead-nurturing journeys from first contact through purchase Build welcome and new-lead flows Create abandoned inquiry / incomplete action follow-up flows Create post-purchase and customer retention flows Develop re-engagement and win-back campaigns Build promotional and seasonal campaigns Manage Email and SMS campaign calendars Create dynamic customer segments based on behavior, location, interests, engagement, purchase history, and lifecycle stage Organize and maintain customer databases and audience lists Improve list quality, data hygiene, suppression logic, and customer profiles Create highly personalized messaging using customer data Build conditional logic and advanced branching inside Klaviyo flows Develop A/B testing strategies for subject lines, content, offers, timing, and CTAs Monitor deliverability, engagement, unsubscribe rates, and audience health Optimize send frequency to reduce customer fatigue Manage Email and SMS consent and compliance best practices Analytics & Reporting The person should be highly comfortable analyzing performance and creating clear reports around: Email revenue / attributed conversions SMS performance Open rates Click-through rates Conversion rates Revenue or conversion per recipient Flow performance Campaign performance Audience growth Deliverability Unsubscribe rates Engagement trends Customer lifecycle performance Segment performance A/B testing results We want someone who can identify what is working, what is not working, and what should be tested next — not simply report numbers. Database & Audience Strategy Strong experience with customer segmentation, behavioral and geographic audiences, lifecycle stages, lead scoring, high-intent segments, inactive customers, suppression strategies, database hygiene, custom properties, and customer attributes. Integrations & Technical Knowledge Experience connecting Klaviyo with websites, lead forms, CRM systems, APIs, webhooks, Google Analytics, Meta, Google Ads audiences, call tracking, appointment systems, payment platforms, and third-party automation tools is highly preferred. The candidate should understand how to use customer events such as: Lead Created → Puppy Viewed → Form Submitted → Phone Call → Appointment Scheduled → Store Visit → Financing Started → Purchase → Post-Purchase to create smarter automation and more relevant communication. Ideal Candidate You may be a strong fit if you: Have extensive hands-on experience with Klaviyo Have built complex automated flows from scratch Understand both Email Marketing and SMS Marketing Have experience managing large customer databases Understand segmentation and lifecycle marketing Are highly analytical and performance-driven Understand marketing attribution Have strong copywriting instincts Understand conversion-focused messaging Can work independently with minimal supervision Can prioritize high-impact work within a limited number of weekly hours Proactively identify opportunities and recommend improvements Can communicate results clearly to management Position Structure Part-time / Freelance Maximum 10 hours per week Remote-friendly Ongoing opportunity for the right person Focused on results rather than simply completing hours We need someone senior enough to identify opportunities quickly and execute efficiently without requiring extensive day-to-day management. What Success Looks Like The goal is to transform Klaviyo into a complete customer communication and lifecycle marketing engine. Generate more appointments → improve follow-up → increase conversion → recover lost opportunities → improve retention → create better audience data → increase revenue from our existing database. To Apply Please send: A brief introduction Your Klaviyo experience Examples of flows you have built Examples of Email and SMS campaigns you have managed Screenshots or examples of reporting/dashboard work Approximate database sizes you have managed Examples of segmentation strategies you have created Your availability Your hourly rate Confirmation that you are comfortable working within a maximum of 10 hours per week Important: We are specifically looking for someone with advanced Klaviyo experience who can deliver meaningful results within a limited weekly schedule. Please include examples of real flows, segmentation, campaigns, and measurable results whenever possible.