Growth Marketing Manager at fast-growing health and wellness startup

Jack and Jill AI; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A fast-growing health and wellness startup is seeking a Growth Marketing Manager to spearhead new user acquisition strategies. You will manage a substantial experimentation budget and oversee the complete lifecycle of marketing tests across various channels. An ideal candidate thrives in a fast-paced environment with demonstrated experience in scaling marketing channels and possesses strong analytical skills. This role offers the chance to create impactful growth strategies and contribute to modernizing the healthcare experience.

Benefits

Full autonomy over the budget

Backed by top-tier VCs

High-impact opportunity to build a testing framework

Qualifications

• Proven experience in scaling new user acquisition channels in a tech or DTC environment.
• Ability to build financial models and perform cohort analysis in SQL or Looker.
• Thrives in ambiguity, treating failed tests as critical data points.

Responsibilities

• Build and manage an experimentation pipeline for new marketing channels.
• Manage end-to-end experiment lifecycle, including hypothesis generation and creative briefing.
• Define success criteria using incrementality and geo-lift measurement.

Skills

Scaling user acquisition channels

Analytical mindset

Financial modeling

Cohort analysis in SQL or Looker

Resourceful in ambiguity

Job description

Growth Marketing Manager

Company Description

Fast-growing health and wellness startup

Job Description

As a Growth Marketing Manager, you will lead the charge in identifying and scaling new acquisition channels beyond core performance marketing. You will own a seven‑figure experimentation budget, managing the full lifecycle of tests across CTV, audio, and direct mail to build sustainable growth playbooks and diversify the marketing mix.

Location

London, UK

Why this role is remarkable

• Full autonomy over a dedicated seven‑figure experimentation budget to find the next major growth lever.
• Join a well‑funded startup backed by top‑tier VCs that is actively destigmatizing and modernizing the healthcare experience.
• High‑impact, 0‑to‑1 opportunity to build a high‑velocity testing framework from the ground up.

What you will do

• Build and manage a rigorous experimentation pipeline to identify and prioritize high‑potential new marketing channels.
• Manage the end‑to‑end experiment lifecycle, including hypothesis generation, financial modeling, and creative briefing.
• Partner with data and finance teams to define "kill or scale" criteria using incrementality and geo‑lift measurement.

The ideal candidate

• Proven experience scaling new user acquisition channels in a fast‑paced tech or DTC environment.
• Deeply analytical mindset with the ability to build financial models and perform cohort analysis in SQL or Looker.
• Resourceful operator who thrives in ambiguity and treats failed tests as critical data points for learning.

Next steps

1. Visit our website.
2. Click 'Talk to Jack'.
3. Talk to Jack so he can understand your experience and ambitions.
4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
6. If not, Jack will find you excellent alternatives. All for free.