CRM & Retention Specialist (Freelance / 3-month contract)

About Smyle
Smyle ( ---------- ) is a fast-growing sustainable oral care brand. We sell sonic toothbrushes, toothpaste tablets, and whitening products direct-to-consumer. B-Corp certified, 100k+ customers, and scaling fast.
The role
We're looking for a hands-on CRM specialist to cover a maternity leave. You'll own our retention marketing — keeping our customer base engaged, reducing churn, and driving repeat revenue. This is an execution-first role. You'll be dropped into live flows and campaigns from day one.
What you'll own

Build and optimize email campaigns in Klaviyo (promos, product launches, seasonal)
Manage and improve core flows — welcome, post-purchase, winback, browse/cart abandonment
Run A/B tests on subject lines, copy, and send logic
Manage and grow our WhatsApp retention channel
Monitor performance (open rate, CTR, CVR, revenue per recipient) and act on it

What we need

2+ years working in Klaviyo — specifically for D2C e-commerce brands
Proven experience building and optimizing flows, not just sending campaigns
Hands-on experience with WhatsApp as a retention/CRM channel
Strong copywriting instincts — you understand what drives a click and a repurchase
Comfortable working independently in a fast-moving brand environment
Available for a 3-month engagement starting [start date]

Bonus

Experience with Shopify data and segmentation
Dutch or European market exposure

How to apply
Send your application to [email] with:

A short intro (who you are, what brands you've worked with)
2–3 examples of flows or campaigns you've built in Klaviyo
Your availability and rate