Graduate Data Analyst

Walk-In Media; London; On-site; GBP 30,000 - 40,000; Full time

Job summary

A leading media company is seeking a Graduate Data Analyst to support data functions and client accounts. This role offers hands-on experience in data analysis, reporting, and media performance evaluation, with ample training and exposure to real client challenges. As a recent graduate, you will gather data, support marketing effectiveness analysis, and collaborate with internal teams to deliver insights that drive client success.

Qualifications

• Recent graduate eager to launch a career in data within media.
• Strong interest in data, analytics, and marketing.
• Comfortable with large datasets and eager to learn new tools.

Responsibilities

• Gather and integrate media performance data from various sources.
• Support the setup and analysis of experiments to evaluate campaign impact.
• Develop into a technical subject matter expert for clients.

Skills

Analytical

Technical

Commercial

Education

Degree in STEM

Degree in Computer Science

Tools

Excel

SQL

Python

Job description

We’re looking for a Graduate Data Analyst to support the growing data function at Walk-In Media. In this role, you’ll assist across a range of client accounts including Vitality, helping to uncover key insights, contribute to measurement strategies, and support the development of regression models where needed. You’ll work closely with experienced analysts and media specialists, gaining hands-on exposure to real client challenges while building your skills in data analysis, reporting, and media performance evaluation.

About The Role

The Graduate Data Analyst will play a key role in supporting the delivery of media-driven performance and effectiveness insights. You’ll help provide clear, accessible, and timely data to inform decision-making, drive continuous improvement, and enhance client outcomes. This is a hands-on role with plenty of training and support, offering real exposure to client work and analytical techniques from day one.

Key responsibilities for this role include:

• Gather and integrate media performance data from both online and offline sources to support marketing effectiveness analysis, using tools such as Excel, SQL, and Python as appropriate
• Help to improve our existing suite of Looker dashboards and build new ones for onboarding new clients
• Support the setup and analysis of experiments, including A/B and geo-based testing, to evaluate campaign impact
• Assist in the setup, delivery, and ongoing refinement of Econometric Media Mix Models (MMM) and other regression-based forecasting tools
• Interrogate customer data to help clients understand their existing cohorts and build out audiences for future campaigns
• Serve as a day-to-day data contact for clients, helping build strong working relationships and developing an understanding of their objectives and challenges
• Work collaboratively with internal marketing teams to ensure clear, efficient communication from insight brief through to delivery of findings
• Develop into a technical subject matter expert, supporting both internal teams and clients in getting the most value from their data
  
  

The Graduate Data Analyst will be expected to demonstrate the following core competencies:

• Analytical
  
  

You’re naturally curious and enjoy digging into data to uncover patterns, trends, and insights. You’ll support media effectiveness analysis and learn how to translate data into actionable recommendations that help shape digital media strategies for our clients.

Technical

You have a foundational understanding of data tools and are eager to build your technical skills. With training, you'll support performance analysis and contribute to building automated dashboards and reports that surface key insights.

• Commercial
  
  

You’re interested in how data connects to broader business and marketing goals. You’ll learn how to consider the “why” behind the numbers, helping to deliver insights that are not only accurate but also meaningful to clients. Over time, you'll develop the commercial awareness needed to support strategic thinking and effective storytelling with data.

About You

You are an enthusiastic recent graduate from a STEM, Computer Science, or other highly numerate discipline, eager to launch your career in data within the media industry. You’re naturally curious, with a strong grasp of numbers and a keen interest in using data to drive real-world decisions. You’re comfortable working with large datasets, open to learning new tools and techniques, and able to communicate your findings clearly and confidently to both technical and non-technical audiences.

About Your Experience

• A recent graduate with a degree in a STEM subject, Computer Science, or another highly numerate discipline
• Strong interest in data, analytics, experimentation and marketing, with a desire to develop a career at the intersection of these fields
• Confident communicator, able to explain data-driven insights clearly to non-technical stakeholders and collaborate effectively with internal teams
• Comfortable using Excel, with knowledge of key functions such as pivot tables, lookups, and basic formulas
• Some familiarity with SQL, Python, or R — or a strong willingness to learn and develop technical skills in these areas
• Enthusiastic, proactive, and collaborative mindset, with a passion for solving problems and working across teams to deliver client value
• Full of ideas and creative thinking, with a passion for exploring new approaches and contributing fresh perspectives to projects
• Self-motivated and organised, with the ability to manage tasks independently and take ownership of your development
• High attention to detail and numeracy, with the ability to work accurately and efficiently to tight deadlines
  
  

WE'D LOVE IF YOU ALSO HAVE...

• Some familiarity with regression modelling or A/B testing methodologies
• Experience or interest in dashboard design and build (e.g. using Power BI, Tableau, or similar tools)
• Experience working with large datasets or data cleaning tasks, even in academic or personal projects
  
  

INTERVIEW PROCESS

For this role, there will be two stages in the interview process:

• The first stage will be an interview (Teams or in-person) with the Head of Digital and our Senior Data Analyst. It will focus on your competencies and career achievements to date applying how this experience is relevant to the role.
• The second stage will be with the Head of Digital, Senior Data Analyst and Chief Investment Officer (in-person). We would like to see you present a piece of work that you are proud of which should last about 20 minutes with a Q+A, the project chosen should showcase how your skills align to this role.

Seniority level

• Seniority level

  Internship

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Advertising Services

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