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Data Strategist

Data Strategist

Hybrid

London, United kingdom

£ 55,000 /year

Freelance

29-04-2025

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Job Specifications

Data Strategist
London
Up to £55,000

We are seeking a Data Strategist to join a leading integrated communications agency, renowned for creating emotionally intelligent, culturally resonant, and commercially effective campaigns. With a reputation for award-winning work and a client portfolio that includes some of the most recognisable global brands, this is a unique opportunity to contribute to high-impact marketing strategies at the intersection of data, creativity, and storytelling.

About the Role
Working closely with the Head of Data & Insight and embedded within a collaborative team of four, you will be central to unlocking insight from data and delivering clear, actionable recommendations to clients and internal teams. This role sits at the heart of strategy, data, and creativity — connecting numbers to narrative.
You will spend approximately 60% of your time on a flagship automotive client with a high volume of activity across performance marketing. The remaining 40% will be spread across a range of other iconic brands, offering variety and breadth in your day-to-day.

Key Responsibilities
Extract and synthesise insights from campaign and customer data to inform strategy
Work with Planning and Strategy teams to shape data-informed creative ideas
Build clear, compelling narratives through campaign effectiveness analysis
Support campaign ideation with data validation and hypothesis testing
Manage and present findings directly to senior client stakeholders, including Heads of Marketing
Leverage tools like Power BI and Excel to build intuitive dashboards and presentations
Help define KPIs, measure success, and improve ongoing campaign performance

Ideal Candidate Profile
Strong experience within data, ideally in a performance marketing context
Agency background, comfortable in fast-paced, client-facing environments
Confident engaging with and influencing senior stakeholders – both internally and client-side
Data-agnostic with expert Excel skills; familiarity with Power BI is a plus
Strategic thinker with an eye for patterns, insights, and story
Experience working with CRM, creative strategy, or integrated campaign development is highly desirable
Able to balance short-term campaign impact with longer-term brand thinking

Perks & Benefits
Private healthcare
Daily breakfast and lunch provided
Access to development opportunities and a strong agency culture
Work with award-winning creatives and strategists across household-name brands

Contract Type: 12-month fixed-term contract

Salary: £45,000 – £55,000 (depending on experience)

This is an exciting opportunity to work on culturally significant campaigns that drive real-world impact — while developing as part of a supportive, insight-driven team.
Ready to bring data to life through strategy and storytelling? Apply today by sending your CV to Roshni Baillie at roshnibaillie@harnham.com

About the Company

Harnham provides specialist Data and AI recruitment and staffing services, along with bespoke training solutions, across multiple industry verticals, operating in the UK, the USA and EU - contact us today to discuss your requirements: info@harnham.com Our recruitment and talent teams cover all aspects of the data and AI pipeline, from collection to consumption, across multiple data roles and functions. Whether you need full-time staff, contract talent, specialized training, Data-qualified graduates, or C-suite executives... Know more