Full-Time

Senior Applied Data Scientist

Posted on 10/1/2025

dunnhumby

dunnhumby

1,001-5,000 employees

Global customer data science and insights

No salary listed

London, UK

In Person

Category
Data & Analytics (4)
, , ,
Required Skills
Python
Data Science
Apache Spark
SQL
Machine Learning
Pandas
Requirements
  • Proficiency in Python and PySpark.
  • Proven understanding of statistical modelling and data confidence.
  • Hands-on experience with machine learning techniques such as classification and regression.
  • Solid foundation in data engineering and reporting.
  • Proven ability to manage and analyse large datasets in accordance with big data best practices.
  • Strong stakeholder management and communication skills.
  • Commercial acumen and ability to translate data insights into business value.
  • Strong command of Microsoft Office Suite.
Responsibilities
  • Develop and deploy machine learning models using advanced algorithms to solve real-world business problems.
  • Work with large-scale datasets to extract insights and drive decision-making.
  • Collaborate with cross-functional teams and external stakeholders to understand requirements and deliver impactful solutions.
  • Apply feature engineering and data transformation techniques to enhance model performance.
  • Communicate complex technical concepts clearly to non-technical audiences.
Desired Qualifications
  • Background in Retail or Financial Services is highly desirable.

Dunnhumby helps retailers and consumer brands improve customer experiences through data science, offering services like media solutions, customer insights, and personalized marketing, plus Dunnhumby Ventures. It analyzes shopper data from browsers and internet devices using unique identifiers (without directly storing personal information) to derive actionable insights that inform targeted campaigns and personalized programs. The company stands out by combining retail-focused data science with a broad services suite and an active venture fund to stay ahead in retail technology. Its goal is to empower retailers and brands to deliver better, data-informed customer experiences that drive sales and engagement.

Company Size

1,001-5,000

Company Stage

Acquired

Total Funding

N/A

Headquarters

London, United Kingdom

Founded

1989

Simplify Jobs

Simplify's Take

What believers are saying

  • Osmos and Bridg partnerships expand retail media measurement and ad-serving capabilities.
  • The 2026 EMEA Retail Innovation Forum strengthens startup sourcing and ecosystem influence.
  • Dunnhumby’s 400 million-household shopper database supports differentiated targeting and insight products.
  • Its global retailer and brand client base creates cross-sell opportunities for new AI tools.

What critics are saying

  • Tesco ownership concentrates strategic risk if the parent internalizes media or analytics functions.
  • Retail media tooling is commoditizing, compressing dunnhumby’s pricing power and differentiation.
  • Identifier-based shopper analytics face regulatory and platform pressure that can impair core products.

What makes dunnhumby unique

  • Tesco-owned dunnhumby combines retail data science with direct access to major grocers.
  • Its venture arm backs early-stage retail tech across AI, loyalty, media, and supply chain.
  • Jamie Samaha brings commerce media, payments, and customer engagement experience from Reward, Prezzee, and Mastercard.

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Benefits

Flexible Work Hours

Unlimited Paid Time Off

Remote Work Options

Company News

dunnhumby
Feb 26th, 2026
dunnhumby announces 2026 EMEA Retail Innovation Forum and launches innovation competition for retail technology & AI startups

dunnhumby announces 2026 EMEA Retail Innovation Forum and launches innovation competition for retail technology & AI startups. 26 February '26 * dunnhumby Retail Innovation Forum returns to London in April 2026 * Ecosystem Startup of the Year Competition launches for retail and CPG technology startups, with winning startup receiving fast-track access to NRF Paris Innovators' Showcase London, UK, 26 February 2026 | dunnhumby has today announced the return of the EMEA Retail Innovation Forum, which will take place in London on 21 April 2026. This exclusive event is expected to feature over 200 retail and retail technology executives, founders, and investors. To continue its commitment to cutting-edge innovation, dunnhumby has also launched the Ecosystem Startup of the Year Competition, a new initiative designed to showcase the most innovative adoption-ready retail and consumer goods technology startups. Open to businesses with early commercial traction, the competition provides a chance for emerging innovators to gain visibility with leading retailers, brands and investors. Technology must have been introduced and validated in the market within the last three years, and be live in a retail environment or in a paid pilot phase (concept-stage solutions will not be considered). The winners of the competition will also receive fast-tracked inclusion in the highly coveted NRF Innovators' Showcase at NRF Paris. Applications are open from today, 26 February 2026, until 31 March 2026, and finalists will be invited to pitch live on stage at the dunnhumby Retail Innovation Forum in London in April, where the winner will be announced. "Europe is home to some of the most exciting retail and consumer technology innovation anywhere in the world, but too often those startups struggle to cut through at a global level," says Leo Nagdas, Founder of dunnhumby's Retail Innovation Network and member of the NRF Innovation Advisory Committee. "This competition is about creating a clear, credible pathway for high-potential founders to be seen by the industry's most influential decision-makers at dunnhumby's and NRF's events." Senior retail and retail technology leaders are invited to apply to join the Retail Innovation Forum event in London using this link. European startup founders who would like to participate in the Retail Startup of the Year Competition are invited to explore more information about the selection criteria and submit their applications using this link or by emailing [email protected]. About dunnhumby The science of serving every customer. Together. At scale. dunnhumby helps businesses grow through faster, better decision making, as the essential intelligence layer connecting the world's leading retailers and brands. Sitting at the intersection of loyalty, media, and category management, dunnhumby, helps to navigate complex and competing priorities. Combining AI-enabled science, software, trusted advice, and 35+ years of dedicated retail experience, dunnhumby is recognised as a leader in connecting customer insight and action to build loyalty, drive performance, and deliver results that last. With offices in locations across Europe, Asia, Africa, and the Americas, dunnhumby works with brands including Tesco, Coca-Cola, Meijer, Procter & Gamble, and L'Oréal, to make smarter decisions today and tomorrow. Learn more at www.dunnhumby.com. About dunnhumby ventures dunnhumby ventures is dunnhumby's strategic innovation and venture capital arm with a mandate to partner and invest in early-stage retail technology start-ups that embrace data and artificial intelligence for innovation along the customer's path to purchase. Dunnhumby Ventures foster industry collaboration via the Retail Innovation Network, its exclusive ecosystem of senior retail innovation leaders, and seek to align with partners at an early stage to supercharge their ability to take innovation to market by tapping into dunnhumby's retail industry expertise, pioneering data science assets, and global retailer and supplier partner network. Its areas of focus include artificial intelligence (AI), data capture and enrichment, retail media, customer engagement, category management, supply chain, and commerce. For more visit: https://www.dunnhumby.com/ventures/ Get in touch. For press-related inquiries, or to just learn more about dunnhumby, please contact [email protected].

MrWeb Ltd
Oct 3rd, 2025
Daily Research News Online

dunnhumby Ireland has promoted Fiona Hoolahan to Head of Commercial for Retail Media for the Tesco Media and Insight Platform, and hired former Omnicom Director Helen Beecher as its Head of Performance and Measurement.

dunnhumby
Aug 28th, 2025
dunnhumby strengthens executive team with the appointment of Gaby Appleton

dunnhumby strengthens executive team with the appointment of Gaby Appleton.

MrWeb Ltd
May 8th, 2025
Retail Media Network Partnership for dunnhumby

Customer data science firm dunnhumby has partnered with Bridg, the identity resolution and shopper intelligence platform behind the Rippl data and media network.

SRM
Mar 29th, 2025
Foodstuffs North Island launches workshops for emerging grocery suppliers

**Auckland**: Foodstuffs North Island, in partnership with Dunnhumby and The Food Innovation Network, is set to host nationwide workshops throughout 2025, providing essential insights for emerging grocery suppliers to enhance their market position and foster networking opportunities.

INACTIVE