Senior Media Buyer – TikTok

This is a fully remote position, open to applicants in Hong Kong.

📋 Description

• Take ownership of daily buying strategies on IM8's TikTok Ads account and develop it into a key acquisition channel.

• Report directly to the VP of Growth.

• Manage blended new-customer CAC, using Shopify as the primary reference.

• Organize campaigns and ad groups across various prospecting avenues.

• Make decisions regarding Campaign Budget Optimization versus ad-group-budget allocations.

• Determine the appropriate use of Smart+ / Smart Performance Campaigns compared to manual management.

• Execute testing pods with minimum spend requirements and allocate budgets among different lanes.

• Carry out daily launches, terminations, scaling, and budget adjustments based on pre-established thresholds and triggers.

• Document, explain, and record each account modification.

• Conduct structured creative testing and maintain a steady flow of hooks, formats, Spark Ads, and creator content.

• Assess hook rate, hold and completion metrics, and CTR to differentiate between creative and configuration failures.

• Scale successful campaigns without disrupting the learning phase.

• Oversee budget velocity, CPM inflation, audience saturation, and creative fatigue.

• Verify TikTok attribution against Shopify daily and make scaling or termination decisions based on comprehensive, full-day blended CAC.

• Collaborate with the creative team on pipeline velocity and monitor for creative age and fatigue.

• Partner with organic/creator and TikTok Shop initiatives and assist in expanding secondary paid channels.

⛳️ Requirements

• 3–5 years of direct experience in paid social media buying.

• Familiarity with DTC/e-commerce metrics, including CAC, LTV, contribution margin, and comparative analysis of blended reality versus platform ROAS.

• Extensive understanding of TikTok Ads mechanics, including learning phase behavior, delivery concentration, bidding strategies, Smart+ / Smart Performance Campaigns, attribution windows, TikTok Pixel, and Events API.

• A creative-first mindset that emphasizes creative volume and iterative processes.

• Strong operational habits, encompassing change logs, naming conventions, and decisions based on thresholds.

• Experience in structuring, scaling, and being accountable for over $10M/year in TikTok ad spend, or provide a clear rationale if this benchmark is not applicable.

• Residing in Hong Kong or willing to relocate.

• Daily active use of AI tools is required.

• Candidates shortlisted for the position must complete the role-specific Beat Claude Challenge assignment.

• Experience with Meta and/or AppLovin buying is a plus.

• Familiarity with Spark Ads, creator whitelisting, or TikTok Shop paid initiatives is advantageous.

• Experience in subscription-based businesses and retention-focused acquisition is preferred.

• Background in health, wellness, or supplements is beneficial.

🏝️ Benefits

• Opportunity for growth within Prenetics.

• Collaborative and growth-oriented work environment.

• Fully remote work setup.