> Markdown version of [/jobs/ext/3710409-data-analyst](https://www.wearedevelopers.com/jobs/ext/3710409-data-analyst). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Analyst - **Company:** Harnham - **Location:** London, UK - **Salary:** £104,000.0 - £104,260.0 - **Contract:** Permanent contract - **Skills:** Power BI, Standard Sql, SQL Databases, Tableau (Software), Website Wireframe, Snowflake - **Published:** October 13, 2026 - **Apply:** https://www.reed.co.uk/jobs/data-analyst/57451312 ## About the Role * Strong experience building Tableau dashboards from scratch and translating wireframes into production-ready reporting solutions. * Hands-on expertise working with Snowflake and SQL to source, transform, and visualise complex datasets. * Experience analysing customer, CRM, loyalty, or marketing performance data within B2C environments. * Strong understanding of customer lifecycle analytics, segmentation, churn, retention, purchasing behaviour, and customer journey performance. * Knowledge of test-and-learn methodologies, control groups, experiment design, and performance measurement. * Ability to translate data into actionable insights and recommendations for both technical and non-technical stakeholders. * Experience working in consultancy or agency environments, with the ability to move between projects and industries confidently. * Proactive approach, strong critical thinking skills, and a track record of taking ownership of deliverables from discovery through to implementation., If you have a strong background in Tableau, Snowflake, SQL, and customer analytics, and are looking for a contract role where you can take ownership of a major reporting transformation project, please apply today. Skills * CRM * Snowflake * Customer Insights * Power BI * SQL * Tableau ## Description This is an opportunity to join a high-profile customer analytics transformation programme within a leading agency environment. The project combines hands-on Tableau dashboard development with customer insight, CRM measurement, and test-and-learn analytics, offering the chance to influence how customer performance is measured and reported across a major international account. The Company They are a well-established data and marketing consultancy delivering customer analytics, CRM, and insight solutions for globally recognised consumer brands. Their teams work closely with clients to improve customer understanding, drive better decision-making, and embed data-led strategies across organisations. Due to a growing portfolio of transformation projects, they are looking for an experienced contractor to support a critical reporting workstream. The Role and Deliverables * Build and enhance Tableau dashboards within a Snowflake environment, supporting customer and CRM reporting requirements. * Develop reporting solutions from wireframes and existing requirements, ensuring dashboards are scalable, user-friendly, and aligned to business objectives. * Migrate and recreate reporting assets from existing frameworks and global teams into Tableau. * Deliver dashboards focused on customer acquisition, retention, basket value, lifecycle performance, engagement, campaign effectiveness, and test measurement. * Support the measurement of experimentation programmes, including incremental performance, conversion impact, and customer behaviour outcomes. * Establish clear documentation, governance standards, and reporting best practice to ensure long-term usability and consistency.