NinjaTech AI is hiring a part-time Email Marketing & Retention Manager. You will own the email marketing function end-to-end, from strategy to execution, focusing on engaging our nearly 1 million free users, optimizing onboarding, reducing churn, and driving revenue growth. This is a remote, hourly contract role requiring 5-10 hours per week.

What You'll Do

Design and execute data-driven email campaigns to activate almost 1M free users and guide them toward paid conversion.
Build sophisticated nurturing and retention flows to reduce churn and increase retention for the paid user base.
Reimagine and improve onboarding and activation email sequences to increase product adoption.
Create targeted campaigns that support upsell and renewal initiatives while maintaining a customer-centric approach.
Own the email marketing function end-to-end, from strategy development to copywriting, design coordination, and deployment across the customer lifecycle.
Design and build automated email flows for onboarding, activation, engagement, retention, win-back, and expansion, using behavioral triggers and advanced segmentation.
Write engaging, conversion-focused email copy that resonates with both technical and non-technical audiences.
Develop and implement advanced segmentation strategies to deliver personalized experiences based on user behavior, product usage, subscription tier, and lifecycle stage.
Monitor and analyze key email metrics (open rates, CTRs, conversion rates, churn impact, revenue attribution) and continuously optimize campaigns through A/B testing and experimentation.
Identify opportunities to improve the customer journey, reduce friction points, and increase lifetime value through email marketing initiatives.

What We're Looking For

3-5+ years of hands-on email marketing experience in B2B SaaS and/or B2C environments, with a proven track record of managing email marketing end-to-end.
Demonstrated experience building complex, multi-step email flows for onboarding, activation, retention, and expansion.
Exceptional copywriting skills with ability to write clear, compelling, and conversion-focused email copy that engages diverse audiences.
Proven ability to use analytics to drive decisions, with specific examples of improving open rates, CTRs, conversion rates, and retention metrics.
Deep understanding of customer segmentation strategies and experience implementing sophisticated targeting based on behavior, lifecycle stage, and product usage.
Ability to think beyond tactics and develop comprehensive email strategies that align with business goals and customer needs.
Comfortable working independently in a part-time capacity while collaborating effectively with a distributed team.

Nice to Have

Experience with Ortto.

Team & Environment

You will report directly to the VP of Product. We are a fast-paced and collaborative team that gets a lot done by ideating together and iterating quickly. Our engineering team is mostly ex-AWS, and our Product and UX team is ex-Google.