Remote Retention Marketing Lead - Klaviyo & SMS

Tidal; Buenos Aires; On-site; ARS 50,609,000 - 59,044,000; Full time

Job summary

Tidal is seeking a Retention Manager to support a fast-growing global eCommerce brand. You will own the structure, logic, and experimentation behind email and SMS in Klaviyo and Attentive—building scalable flows, segmentation, and testing frameworks that improve customer lifetime value, repeat purchases, and engagement. This is a remote, independent contractor role (approx.

40 hours/week). You will collaborate with the performance marketing team to execute campaigns, flows, and automations,

Qualifications

• 3–5 years freelancing experience
• 3–6+ years of experience in email, lifecycle, or retention marketing for eCommerce or DTC brands
• Strong technical expertise in Klaviyo (flows, segmentation, testing, analytics) and Attentive
• Experience building experimentation and testing frameworks
• Data-driven, structured, and comfortable with execution
• Excellent English communication skills (C1 or C2 level)
• Experience with high-growth or global eCommerce brands is a plus

Responsibilities

• Own hands-on execution of email and SMS retention in Klaviyo
• Build, optimize, and maintain lifecycle flows (welcome, post-purchase, win-back, replenishment, etc.)
• Build and schedule an always-on campaign calendar with the help of the marketing team
• Develop and execute structured testing strategies across segmentation, timing, offers, and flow logic
• Monitor performance and translate insights into clear optimizations
• Partner with internal teams to align retention efforts with broader growth and brand goals
• Maintain strong data hygiene, segmentation logic, and documentation within Klaviyo

Skills

Klaviyo expertise

Attentive expertise

Email lifecycle marketing

A/B testing

Data-driven

English communication (C1/C2)

Tools

Klaviyo

Attentive

Shopify

Google Sheets

Google Docs

Analytics tools

Asana / Monday.com

Job description

Tidal is seeking a Retention Manager to support a fast-growing global eCommerce brand. You will own the structure, logic, and experimentation behind email and SMS in Klaviyo and Attentive—building scalable flows, segmentation, and testing frameworks that improve customer lifetime value, repeat purchases, and engagement. This is a remote, independent contractor role (approx.

40 hours/week). You will collaborate with the performance marketing team to execute campaigns, flows, and automations,