Head of Performance Marketing - Growth, Equity (Hybrid/Remote)

OnBuy Limited; Manchester; Hybrid; GBP 110,000 - 130,000; Full time

Benefits offered by this job

Company equity

25 days annual leave + Bank Holidays

1 extra day off for your Birthday

Employee Assistance Programme

Perks at Work

Job summary

OnCommerce is hiring a Head of Performance Marketing to own and scale our performance engine across Google Shopping, Bing, Affiliates, CRM, and paid social. This role emphasizes trading and systems to deliver GMV growth across a multi-brand portfolio.

You will build a lean, automation-focused team, set investment guardrails, run weekly growth forums, and collaborate with data science and engineering to activate predictive insights.

Qualifications

• Senior performance marketing leadership experience in ecommerce or marketplace environments.
• Deep practical expertise in Google Shopping and large-scale catalogue activation.
• Experience operating at scale in a large SKU environment.
• Strong understanding of incrementality, attribution, and experimentation.
• Deep understanding of segmentation and incrementality.
• Experience working alongside data science and engineering teams.
• Strong commercial and data-led mindset.
• International experience across UK and EU markets. US experience would be advantageous.
• Comfortable operating at both strategic and hands-on levels.
• Proven experience in leading a lean performance marketing team.

Responsibilities

• Own GMV growth at target contribution across all performance channels and markets.
• Set channel mix, investment guardrails, pacing rules, and scaling strategy.
• Partner closely with Finance to forecast spend, GMV, and contribution/ROI.
• Define segmentation across department, margin band, seller ID, and performance tiers.
• Ensure segments are tested & activated across other channels (Channel activation strategy).
• Translate propensity and LTV models into activation.
• Own incrementality testing and attribution.
• Publish monthly performance insights.
• Run weekly growth forums and build a lean automation-focused team.

Skills

Senior leadership

Google Shopping

Large SKU activation

Incrementality

Attribution

Segmentation

Data science collaboration

Commercial mindset

UK/EU market experience

Hands-on leadership

Job description

OnCommerce is hiring a Head of Performance Marketing to own and scale our performance engine across Google Shopping, Bing, Affiliates, CRM, and paid social. This role emphasizes trading and systems to deliver GMV growth across a multi-brand portfolio.

You will build a lean, automation-focused team, set investment guardrails, run weekly growth forums, and collaborate with data science and engineering to activate predictive insights.