How this customer science company increased its hiring quotient by 10X | Case Study

Dunnhumby powers the likes of the algorithm behind Tesco’s loyalty card. They wanted to hire the best data scientists, but like any other company, they faced an uphill task in finding the best talent. Here is the strategy that increased Dunnhumby's hiring efficiency by 10 fold.

What's their story?

Dunnhumby is a global, leading customer-science company that creates personalized customer experiences on digital, mobile, and retail platforms. They create these experiences by analyzing data and applying insights that are received from more than one billion customers worldwide.

Headquartered in the UK, the company was founded in 1989 with the mission of helping companies understand their customers’ needs. Tesco's innovative Clubcard loyalty program helps the world’s largest retailers and brands use the power of customer-data analytics from decision-making to driving sales. Tesco developed this program in collaboration with Dunnhumby.

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Dunnhumby partnered with HackerEarth to conduct customized assessments to hire freshers with the best knowledge of open-source technology.


  • To scale and assess a large pool of candidates while utilizing minimal time and resources
  • To create customized skill-based assessments
  • 24/7 customer support

HackerEarth Recruit as a solution

Increase in number of hires

Dunnhumby was able to see a drastic increase in the number of candidates that were screened and hired during campus hiring drives because they were able to assess a large pool of candidates in less time.

Customized skill-based tests

Dunnhumby created various types of questions and saved them in their custom library. Since there is no restriction on the number of questions that can be created and saved, they were able to build their library and reuse these questions when required.

24/7 customer support

HackerEarth’s support team was available round-the-clock for any queries, feedback, and requirements.

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Dunnhumby successfully conducted hiring drives for various positions, functions, and locations through campus hiring, which led to an increase in the assessment-to-hire conversion rates.

They were very pleased with the support that they received during the hiring process with respect to questions or concerns regarding the usage of the product.


HackerEarth Recruit enables you to assess candidates technically in various domains for quick and effective hiring.




About the Author

Arpit Mishra
Avid book reading advocate. Hardcore travel nerd. Technology freak. Follow me on LinkedIn to get more Insights on Tech Recruitment.