Retention Marketing Manager (Klaviyo)

Job Title: Retention Marketing Manager (Klaviyo)

Location: Remote

Employment Type: Full-Time

Working Hours: Must have significant overlap with EST hours

Industry: E-commerce, Email Marketing

Mint Source is a remote-first bridge that connects remote vibrant talent with international clients & agencies, enabling skilled individuals to showcase their expertise on a global stage.

Role Overview

Mint Source is hiring a Retention Marketing Manager (Klaviyo) for a UK-based email marketing agency, to develop and execute email and SMS marketing strategies for multiple e-commerce brands. This role involves owning account strategy, managing end-to-end campaign execution, and collaborating with internal teams to ensure seamless delivery. The ideal candidate is highly skilled in Klaviyo, proactive in performance optimization, and confident in client-facing communication.

Core Responsibilities:

• Oversee, plan, and execute email and SMS marketing strategies for multiple e-commerce brands using Klaviyo, Postscript, or Attentive
• Act as the primary client liaison, attending meetings, providing weekly reports, and addressing inquiries via Slack and email
• Collaborate with copywriters, designers, and technical teams to ensure timely execution of campaigns
• Optimize performance by analyzing key metrics including open rates, CTR, and revenue, and implementing data-driven improvements
• Conduct A/B testing, segmentation, and automation to maximize engagement and conversions
• Ensure all campaigns meet QA standards, including grammar, design consistency, compliance with CAN-SPAM/GDPR, and error-free execution
• Work within structured project management workflows using ClickUp and Slack to track and manage tasks efficiently.

Qualifications

• 3-5+ years of experience in e-commerce email and SMS marketing, with a strong focus on Klaviyo (certification preferred)
• Demonstrated ability to manage multiple brands simultaneously, ensuring high-quality execution across all accounts
• Strong understanding of email and SMS automation, segmentation, and customer journey mapping
• Proficiency in Klaviyo reporting, Figma for design reviews, and project management tools such as ClickUp and Slack
• Excellent written and spoken English, with the ability to communicate clearly in client-facing roles
• Ability to proactively troubleshoot issues, suggest improvements, and drive results based on data analysis
• Experience with Postscript, Attentive, and subscription platforms like Recharge or Bold is a plus
• A structured and methodical approach, with strong attention to detail and the ability to work in a fast-paced environment.

Note: A portfolio demonstrating past email and SMS marketing work is not required but is strongly preferred.