2 Volunteer marketing communications assistant volunteer volunteer roles in Belfast

Cystar

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

We’re looking for an experienced and results-driven Digital Ad Campaign Manager to help grow the Cystar app through strategic digital advertising.

As an early-stage FemTech startup, we’re looking for someone with at least 2–3 years of hands-on experience managing digital advertising campaigns who can help us reach more people living with PMOS (Previously PCOS). You’ll work closely with the Founder to plan, launch, optimise, and measure advertising campaigns across Meta (Facebook & Instagram), Google Ads, TikTok, and other digital platforms.

This is a fantastic opportunity for someone who enjoys creating high-performing campaigns, analysing results, and helping a mission-driven startup scale its impact.

🚀 What You’ll Do

📢 Digital Advertising

• Plan, create, and manage advertising campaigns to promote the Cystar app across Meta, Google Ads, TikTok, and other digital platforms
• Develop app install, awareness, lead generation, and conversion campaigns
• Research and define audience targeting strategies to maximise campaign performance
• Monitor campaign budgets and recommend how advertising spend should be allocated across platforms

🎯 Campaign Optimisation

• Monitor and optimise campaigns to improve performance and reduce acquisition costs
• Conduct A/B testing on creatives, audiences, messaging, and landing pages
• Identify opportunities to improve campaign efficiency and maximise return on investment
• Recommend new advertising strategies based on campaign insights and industry trends

🎨 Creative Collaboration

• Work closely with the Social Media Content Creator and Social Media Graphic Designer to develop engaging advertising creatives
• Help write compelling ad copy and calls to action
• Ensure advertising assets align with campaign objectives and the Cystar brand

📊 Analytics & Reporting

• Track and report on key campaign metrics, including:
  • App downloads
  • Click-through rate (CTR)
  • Cost per click (CPC)
  • Cost per install (CPI)
  • Cost per acquisition (CPA)
  • Conversion rate
  • Return on Ad Spend (ROAS), where applicable
• Produce regular reports with recommendations to improve future campaigns
• Work with the Product Analytics & Growth Assistant to understand the quality and retention of acquired users

🤝 Collaboration

• Work closely with the Founder to plan and execute advertising campaigns aligned with Cystar’s growth goals
• Collaborate with the Growth Funnel & Automation Assistant to optimise the customer journey after users click an advert
• Support app launches, awareness campaigns, and product initiatives through digital advertising

🌿 We’re Looking For Someone Who:

• Has 2–3 years of experience in digital marketing, digital advertising, app marketing, or performance marketing
• Has hands-on experience creating and managing advertising campaigns across Meta Ads Manager, Google Ads, and/or TikTok Ads
• Understands audience targeting, campaign optimisation, and A/B testing
• Is confident analysing campaign performance and making data-driven recommendations
• Has experience tracking metrics such as CTR, CPC, CPA, CPI, conversion rates, and ROAS
• Is organised, proactive, and comfortable managing multiple campaigns simultaneously
• Has excellent communication and collaboration skills
• Has an interest in digital health, startups, or women’s health

⏱️ Time Commitment

Flexible (around 5–8 hours per week). We’ll work around your availability.

✨ Why Volunteer With Us?

• Gain hands-on experience leading digital advertising campaigns for an early-stage health-tech startup
• Build your portfolio with real campaigns across Meta, Google, and TikTok
• Work directly with the Founder on user acquisition and growth strategy
• Develop practical skills in campaign optimisation, analytics, and growth marketing
• Help more people living with PCOS discover and benefit from Cystar

💛 If you’re passionate about digital advertising and want to use your skills to help grow a purpose-driven health-tech startup, we’d love to hear from you. Join us in helping more people discover Cystar and access better support for managing PCOS.

Minimum Hours per Week:

7-9 hours per week

Duration:

1-2 months