Senior Growth Marketer - Participants (Marketing)

TL;DR

Senior Growth Marketer - Participants (Marketing): Driving the end-to-end growth of the participant network across acquisition, activation, and retention with an accent on supply-side marketplace dynamics and AI-driven workflows. Focus on optimizing the signup-to-study funnel, managing paid channels, and building scalable AI agents for lifecycle automation.

Location: Based in-person at the office in Brisbane, Australia

Company

hirify.global is a user research platform that helps teams run better research faster, from participant recruitment to insights.

What you will do

• Own participant growth end-to-end, covering acquisition, activation, retention, and lifecycle management.
• Develop and execute strategies across paid channels (Meta, Google), organic, referral loops, and partnerships.
• Collaborate with product and engineering to instrument the participant journey and optimize the signup-to-first-study funnel.
• Build AI agents and workflows to scale acquisition and lifecycle tasks efficiently.
• Manage unit economics, including CAC, LTV, and payback, to optimize the participant flywheel.
• Scale a diverse mix of demographics and specialty cohorts across US, UK, and AU markets based on demand.

Requirements

• 5+ years of experience in growth marketing, ideally within supply-side marketplaces or high-scale consumer products.
• Proven track record of acquiring and retaining users at volume with quantifiable results.
• Deep expertise in paid channels, specifically Meta and Google Ads.
• Experience with lifecycle tools including email, push, SMS, and in-app messaging.
• Data fluency with SQL and modern analytics tools such as Looker, Mixpanel, or GA4.
• Must be based in-person in Brisbane, Australia.

Culture & Benefits

• 7 weeks of annual leave in total (including a bonus paid day off every month).
• Daily buffet lunch prepared by an in-house chef.
• Free public transport to and from the office.
• Vibrant, social workplace with a strong community-driven culture.