9 Campaign assistant volunteer roles in Oxford, Oxfordshire

Cystar

We empower people with PCOS through a personalized digital platform for education, care, and community.

About the Role

We’re looking for a creative and conversion-focused High-Converting Ad Content/Copy Writer to help Cystar create advertising content that captures attention, communicates value, and encourages people to download and use the Cystar app.

You’ll develop ad concepts, hooks, scripts, headlines, copy, and calls-to-action for campaigns across Meta, Google, TikTok, and other digital channels.

The focus isn’t simply on creating content that looks or sounds good. It’s on understanding what motivates someone to stop, engage, click, and take action.

🎯 Key Responsibilities

💡 Ad Content & Creative Concepts

• Develop creative concepts and advertising angles for Cystar campaigns
• Identify compelling hooks that capture attention quickly
• Create concepts for short-form video, static ads, carousels and other formats
• Develop different creative approaches for different audience segments and user needs
• Turn Cystar’s features and benefits into clear, relatable advertising messages

✍️ Copywriting

• Write ad copy for Meta, Google, TikTok and other advertising platforms
• Develop:
  • Headlines
  • Hooks
  • Primary text
  • Video scripts
  • Captions
  • Calls-to-action
• Write messaging that connects with the experiences, challenges and motivations of people living with PCOS
• Develop different messaging angles for testing

🧠 Conversion-Focused Content

• Apply principles of persuasive and conversion-focused copywriting
• Create messaging designed to move users through the journey from awareness → interest → click → app download
• Identify user pain points, motivations and objections that can inform advertising messaging
• Develop messaging that clearly communicates why someone should try Cystar

🧪 Testing & Optimisation

• Create multiple variations of hooks, headlines, scripts and calls-to-action
• Work with the Digital Ad Campaign Assistant to test different creative concepts
• Review campaign performance and identify which messaging performs best
• Use campaign insights to improve future advertising content
• Continuously develop new creative ideas to prevent ad fatigue

🤝 Collaboration

• Work closely with the Digital Ad Campaign Assistant to align content with campaign objectives and audiences
• Collaborate with the Social Media Content Creator and Graphic Designer when visual assets are required
• Work with the Founder to ensure all health-related messaging is accurate and aligned with Cystar’s positioning
• Use insights from user research and analytics to inform messaging

🌿 We’re Looking For Someone Who:

• Has experience in copywriting, advertising, content marketing, creative strategy or digital marketing
• Understands what makes advertising content compelling and persuasive
• Has strong written communication skills
• Understands hooks, storytelling, persuasive messaging and calls-to-action
• Can adapt messaging for different audiences and platforms
• Understands social media advertising, particularly Meta and TikTok
• Is comfortable developing and testing multiple creative ideas
• Is interested in using data and user insights to improve creative performance
• Has an interest in FemTech, digital health, women’s health or startups

Experience writing performance advertising copy or app-install campaigns is highly desirable.

📈 What Success Looks Like

The goal is to create content that moves someone from:
“I’ve never heard of Cystar”
↓
“This sounds relevant to me.”
↓
“I want to find out more.”
↓
“I’ll download the app.”
The role therefore works closely with the Digital Ad Campaign
Assistant:

Digital Ad Campaign Assistant
→ Campaign strategy, audiences, budgets, platforms and performance

High-Converting Ad Content/Copy Writer
→ Hooks, concepts, scripts, copy, messaging and creative testing
Together, they can form the core of Cystar’s paid acquisition function.

Minimum Hours per Week:

4-6 hours per week

Duration:

1-2 months