Marketing Data Analyst

JR United Kingdom; Woking; Hybrid; GBP 40,000 - 50,000; Full time

Job summary

A high-growth consumer brand in the UK is seeking an E-commerce Data Analyst to support data-driven marketing strategies. This hybrid role includes collaborating with marketing teams, building data dashboards using SQL, and improving reporting accuracy. Ideal candidates will have strong SQL skills and experience with data visualisation tools. An entrepreneurial spirit and a problem-solving mindset are essential for success in this position.

Qualifications

• Strong SQL skills including complex joins, CTEs, and window functions.
• Experience with dbt and data visualisation tools.
• Comfortable working with GA4, Google Ads, Meta, Klaviyo.
• Ability to work independently and solve problems effectively.

Responsibilities

• Partner with marketing teams to measure effectiveness.
• Build dashboards and reports in ThoughtSpot.
• Model new data sources with SQL and dbt.
• Support attribution modelling and customer analysis.
• Integrate new tools and improve marketing workflows.

Skills

Strong SQL

Experience with dbt

Data visualisation

GA4

Google Ads

Meta

Klaviyo

Exposure to Snowflake

Exposure to BigQuery

Exposure to Shopify

Tools

ThoughtSpot

Job description

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London (Hybrid, 2 days in Oval + flexibility abroad)

Harnham have partnered with a high-growth consumer brand on a mission to disrupt the personal care space. Launched in 2020, they’ve quickly become one of Europe’s fastest-growing start-ups, already known for their refillable, natural products and commitment to sustainability.

They’re now looking for a talented E-commerce Data Analyst to join their team and help power growth through data.

What you’ll be doing:

• Partnering with Performance & Influencer Marketing teams to measure spend, CAC, LTV, and campaign effectiveness
• Building dashboards and reports in ThoughtSpot
• Using SQL and dbt to model new data sources and improve reporting accuracy
• Supporting attribution modelling, A/B test reporting, customer segmentation, and LTV analysis
• Working cross-functionally to integrate new tools, streamline influencer processes, and improve marketing workflows

Requirements:

• Strong SQL (complex joins, CTEs, window functions)
• Experience with dbt, data visualisation (ThoughtSpot a bonus), GA4, Google Ads, Meta, Klaviyo
• Exposure to Snowflake, BigQuery, or Shopify is a plus
• A self-starter who enjoys problem-solving and making data accessible for non-technical teams

Package & Setup:

• Hybrid: 2 days per week in their Oval office, with flexibility to work abroad when needed
• Opportunity to join a fast-growth business where your work directly impacts marketing performance

If you’re excited about using data to fuel marketing performance and want to join a high-growth, entrepreneurial environment — we’d love to hear from you.