Senior Performance Media Buyer (E‑commerce)

About the role

We are looking for a senior performance media buyer to lead paid‑media acquisition for mivida, a fast‑growing clean‑beauty brand. The role will own day‑to‑day buying, optimisation and scaling across Amazon, Google, Meta and TikTok platforms, working closely with creative and e‑commerce teams to drive revenue growth.

Key responsibilities

• Buy, execute, optimise and scale campaigns on Amazon Ads, Google Ads, Meta Ads and TikTok Ads, managing budgets, bids and audience targeting.
• Monitor daily budget pacing, forecast spend and report performance against growth targets.
• Analyse ROAS, ACoS, TACoS, CAC, CTR and conversion metrics; produce weekly and monthly performance reports with actionable recommendations.
• Lead testing initiatives on creatives, audiences, landing pages and campaign structures, translating results into optimisation actions.
• Maintain marketing dashboards, ensure accurate attribution and conversion tracking using GA4, Shopify Analytics, Microsoft Clarity and related tools.
• Collaborate with creative, content, e‑commerce and marketplace teams and coordinate with external agencies when required.

Required profile

• 3‑5 years of performance media buying or digital marketing experience, preferably in e‑commerce.
• Hands‑on experience managing campaigns on Google Ads, Meta Ads and Amazon Advertising.
• Strong understanding of KPIs such as ROAS, ACoS, TACoS, CAC and CTR.
• Proficiency with GA4, Google Tag Manager, Microsoft Clarity, Hotjar and Shopify Analytics.
• Excellent analytical, organisational and project‑management abilities.
• Effective communication and collaboration skills in a fast‑paced environment.

Required skills

• Google Ads
• Meta Ads
• Amazon Advertising (Sponsored Products, Brands, Display)
• TikTok Ads / TikTok Shop
• GA4 & Google Tag Manager
• Microsoft Clarity & Hotjar
• Shopify Analytics
• Keyword research, bid management and audience targeting
• Retargeting and remarketing strategies
• Attribution tools such as Triple Whale or Northbeam

What we offer

• Opportunity to manage media across Amazon, Shopify, TikTok Shop, Meta and emerging channels.
• Exposure to a broad range of growth initiatives within a rapidly scaling beauty brand.
• High‑impact role with direct visibility to leadership.
• Entrepreneurial culture with fast learning and career advancement.
• Collaborative, fast‑paced environment where ideas turn into action quickly.