Growth Marketing Manager (CRO & Ecommerce Optimization)

Happy Koala

3d•Remote

About The Position

Happy Mammoth is looking for a Team Lead, E-commerce to own the entire digital commercial engine across our Shopify Plus stores (US, EU, AU) and Amazon marketplace. This is not a "manage the website" role. You will be directly responsible for on-site revenue performance, funnel development, compliance governance, and technical stability across every revenue-generating digital property we operate. Happy Mammoth is a fast-growing natural health company formulating, producing, and marketing gut health and hormone-balancing supplements to millions of customers across Australia, the United States, and Europe. We operate direct-to-consumer through Shopify Plus and Amazon, with deep roots in performance marketing and direct response. This is a company built on speed, testing, and commercial results.

Requirements

Senior-level experience running e-commerce operations in a direct-to-consumer environment, ideally in health, supplements, or a similarly regulated vertical.
Deep understanding of Shopify Plus, including oversight of store architecture, checkout optimization, and multi-store operations at scale.
Fluency in funnel metrics: CVR, AOV, RPV, LTV, and CAC.
Experience directing the creation and optimization of landing pages, PDPs, and commercial funnels.
Experience overseeing structured A/B testing programs with measurable results.
Understanding of how compliance works in regulated industries, with experience working with legal teams to ensure content is compliant and building systems to prevent compliance issues.
Technically sharp, able to read site speed reports, diagnose checkout issues, and direct developers to fix problems.
Ability to move fast, make decisions with imperfect information, and take full ownership of outcomes.
Ability to set direction for a team and hold them accountable for execution.
Hands-on involvement in execution, driving implementation and results, not just defining strategy.
Experience managing multi-region Shopify Plus stores.

Nice To Haves

Experience in DTC brands.
Experience in supplements, health, or wellness.
Familiarity with CRO and analytics tools.
Experience in performance marketing.

Responsibilities

Own on-site commercial performance across all Happy Mammoth stores and the Amazon marketplace, protecting and growing Revenue per Visitor and marketplace conversion rates.
Own the creation, deployment, and optimization of funnels, landing pages, PDPs, and commercial flows, including setting direction, briefing designers and developers, and driving cycle time from brief to deployment.
Define and oversee structured A/B testing, ensuring performance validation before scaling and monitoring post-launch impact.
Lead the commercial execution of new product launches and seasonal or promotional campaigns, directing designers and developers, setting creative direction, coordinating timing with the paid media team, and ensuring measurable success.
Act as the quality gate for brand and design alignment across all customer-facing digital properties, ensuring visual and tonal consistency.
Own on-page and technical SEO across all stores, including site structure, metadata, schema markup, and crawlability, to capture organic traffic.
Own the process of ensuring all stores, funnels, and marketplace listings are compliant with regional regulatory requirements, working closely with the legal team to build and enforce systems for compliance checks.
Own functional reliability and operational excellence across all digital properties, including site speed, checkout performance, tracking integrity, and platform stability, directing the development team to prevent performance degradation and resolve issues.