Senior Growth & Performance Marketing Operator

OnCommerce; United Kingdom; On-site; GBP 83,000 - 124,000; Part time

Job summary

OnCommerce is seeking a senior, highly analytical and hands-on performance marketing specialist to lead a six-month transformation across Meta, Google Shopping and affiliates. You will dive into data, identify waste, optimize profitable channels, and translate insight into action with rapid impact across UK markets.

This contractor role offers practical ownership and a fast-paced environment as OnCommerce scales.

Qualifications

• Senior, highly analytical and hands-on marketer with track record in performance marketing.
• Ability to translate data into actionable insights and growth opportunities.
• Experience analysing large product/customer data, segments and cohorts.
• Strong focus on profitability, ROAS, and cost control across channels.

Responsibilities

• Identify wasted spend and profitable growth opportunities across channels.
• Conduct segmentation, cohort, and propensity analyses to optimise campaigns.
• Drive testing, measurement, and reporting to guide investment decisions.
• Collaborate with partners to scale high-performing channels and reduce underperformers.

Skills

Performance marketing

Data analysis

Audience segmentation

Cohort analysis

Profitability focus

Channel optimization

Tools

CJ Affiliate

Impact

Rakuten

Merchant Centre

Job description

OnCommerce is seeking a senior, highly analytical and hands-on performance marketing specialist to lead a six-month transformation across Meta, Google Shopping and affiliates. You will dive into data, identify waste, optimize profitable channels, and translate insight into action with rapid impact across UK markets.

This contractor role offers practical ownership and a fast-paced environment as OnCommerce scales.