dentsu
Senior Associate, Data Science
London
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- Seniority
- Senior
- Country
- GB
- Work mode
- On-site / unstated
- First seen by hirly
- 4 Nov 2026
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the posting
Job Description:
Senior Associate, Data Science
Details
Permanent | Hybrid | This role can be based in our London, Manchester, Leeds or Edinburgh offices.
About Us
Dentsu is an integrated growth and transformation partner to the world's leading organizations. Founded in 1901 in Tokyo, Japan, and now present in over 145 countries and regions, it has a proven track record of nurturing and developing innovations, combining the talents of its global network of leadership brands to develop impactful and integrated growth solutions for clients. Dentsu delivers end-to-end experience transformation (EX) by integrating its services across Media, CXM and Creative, while its business transformation (BX) mindset pushes the boundaries of transformation and sustainable growth for brands, people and society.
The Decisioning team helps clients understand campaign effectiveness and make better decisions across channels, using techniques from marketing testing to econometric modelling.
Purpose of the Role
As a Senior Associate in Data Science, you'll develop your skills in marketing measurement and effectiveness through on-the-job learning and our comprehensive training programme. You'll work with colleagues across different clients and industries, turning marketing platform and client data into actionable insights that improve marketing strategies.
Using our proprietary tools and processes, you'll learn to apply media mix modelling, controlled media testing and experimentation to understand marketing's impact. You'll also use advanced modelling techniques to forecast KPIs and help clients optimise their channel mix. As you develop, you'll use R, Python and SQL for data processing, with the opportunity to specialise in the technical elements of data analytics and data science.
· Support project delivery from data collection and processing through to analysis and presentation of results.
· Analyse data from marketing platforms and clients using our proprietary tools and processes.
· Learn to design and run marketing experiments that measure the incremental contribution of marketing to business objectives.
· Learn to build media mix models using our proprietary technology.
· Use modelling results to help clients optimise media budgets and their channel mix.
· Apply advanced modelling techniques to forecast KPIs.
· Help turn analytical findings into clear, actionable insights for clients across a range of industries.
Qualifications & Skills
· A passion for marketing and enthusiasm for using data to improve campaign performance.
· Previous work experience, a relevant apprenticeship, or a degree in Mathematics, Economics or a similar subject from an accredited college or university. A degree isn't the only route into this role.
· A curious mindset and the ability to learn new concepts quickly.
· The ability to work independently as well as contribute as part of a team.
· Excellent verbal and written communication skills.
Experience with statistical analysis and regression techniques, or with SQL, R or Python, would be a bonus. These aren't prerequisites — you'll have training and opportunities to develop these skills in the role.
What We Offer
This is a permanent role.
This role can be based in our London, Manchester, Leeds or Edinburgh offices and operates under hybrid working arrangements.
As well as a competitive salary, you will enjoy a benefits package that you can tailor to your needs.
Inclusion & Diversity
At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.
We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.
We recognise the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at accommodations@dentsu.com, quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.
We are a Disability Confident scheme user. If you consider yourself to have a disability and meet the essential criteria for the role, you will be guaranteed an interview.
Tags
#LI-Hybrid
Location:
London
Brand:
Dentsu Data Labs
Time Type:
Full time
Contract Type:
Permanent
Listed on hirly, a job board. hirly is not the employer: dentsu is hiring for this role.
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