Freelance Performance Copywriter (AI/Health)

Location: Fully remote within the United Kingdom; the contract is full-time for 3 months.

Company

Flo is a digital health and fitness product focused on female health, with AI-powered, privacy-first, clinically backed experiences.

What you will do

• Own TTC and Pregnancy copy across Meta, Google, Snapchat, TikTok, Pinterest, Moloco, and ASO, working from Creative Strategy briefs.
• Manage day-to-day creative performance in Looker and refresh underperforming assets before spend declines.
• Write and test new hooks, angles, scripts, and variants, adapting copy to each platform, funnel, web or app destination, and onboarding flow.
• Collaborate with designers and motion designers, propose hypothesis-led tests, and define the metrics used to evaluate them.
• Use Claude, ChatGPT, Sensor Tower, and HookRadar for ideation and analysis while critically editing AI output.
• Write launch, awareness, social, and compliant benefit messaging, and provide feedback to junior copywriters before legal and medical review.

Requirements

• About 2–4 years of performance or direct-response copywriting experience in-house or at an agency.
• A portfolio of live ads across several platforms, including a test showing what won and what was changed next.
• Understanding of how copy and success metrics differ by platform, including TikTok thumb-stop and CTR versus App Store conversion.
• Confident daily use of AI tools and the judgment to identify and improve inadequate output.
• Judgment when writing health claims and care with personal health topics.
• Native-level English and the ability to explain why a line should work.

Nice to have

• Experience in health, wellness, or subscription apps.
• ASO experience.
• Additional languages.

Culture & Benefits

• Mission-led, product-driven work focused on ownership, craft, speed, and measurable impact.
• Debate is encouraged, decisions are shared, and collaboration spans creative, brand, design, motion, legal, and medical functions.
• Permanent-employee benefits listed in the posting do not apply to this freelance contract.
• The permanent-employee package includes salary reviews, incentives, paid leave, parental benefits, learning support, hybrid office work, sabbatical leave, and health, pension, and wellbeing perks.