Growth-Driven Marketing Data Analyst (Looker/BigQuery)

Cognify Search, incorporated; Cardiff; On-site; GBP 55,000 - 83,000; Part time

Job summary

Cognify Search, incorporated is partnering with a well-known consumer brand to deepen understanding of customer behaviour and optimise marketing performance. The Marketing Data Analyst will work closely with Marketing and Growth teams to tackle commercial challenges that drive customer acquisition and retention.

You will analyse customer and campaign data, build Looker dashboards, and perform deep dives into channel performance, LTV, CAC, and ROAS to guide spend.

Qualifications

• Strong SQL and Python (or R) skills for hands-on analysis.
• Proven experience supporting Marketing, Growth, or Performance teams in a data-focused capacity.
• Expertise in Looker and BigQuery (essential).
• Deep understanding of CAC, LTV, Payback Period, and ROAS.
• Experience working in a high-moving environment.
• Strong commercial mindset and ability to translate data into clear business recommendations.

Responsibilities

• Partner closely with the Marketing and Growth teams to tackle complex commercial challenges that drive customer acquisition and retention.
• Analyse customer and campaign data to uncover actionable insights and growth opportunities.
• Build and maintain Looker dashboards to enable data-led decision-making.
• Conduct deep dives into channel performance, customer LTV, CAC, and ROAS to guide spend and strategy.
• Work with marketing data sources (CRM, referral, and paid media) to evaluate performance and efficiency.

Skills

SQL

Python

R

Tools

Looker

BigQuery

Job description

Cognify Search, incorporated is partnering with a well-known consumer brand to deepen understanding of customer behaviour and optimise marketing performance. The Marketing Data Analyst will work closely with Marketing and Growth teams to tackle commercial challenges that drive customer acquisition and retention.

You will analyse customer and campaign data, build Looker dashboards, and perform deep dives into channel performance, LTV, CAC, and ROAS to guide spend.