Lead Data Scientist*
Hackajob
Data Science
United Kingdom
Posted on Mar 14, 2026
hackajob is collaborating with Next Ltd to connect them with exceptional professionals for this role.
Lead Data Scientist
Job Description
We are looking for a Lead Data Scientist to join the eCommerce Data team! Based from
NEXT Head Office in Enderby, Leicestershire with a competitive salary range and great
benefits..
Let’s talk numbers. When it comes to UK retail, it’s hard to find a bigger name. We sell
thousands of items an hour and are expanding our e-commerce business by the second. For
anyone in Tech, this is the place to learn. To grow. And to thrive.
eCommerce Data provides the department and the business the means to see what is
working and what is not by drawing data and analysing patterns of shopping on our site
and in general.
The role
As a Lead Data Scientist within Marketing Science at NEXT, you will build data-driven
solutions through state-of-the-art machine learning, causal inference, and experiment
design to measure true impact and make impactful recommendations to the business. As a
lead, you are expected to handle end-to-end projects and mentor junior/senior data
scientists whenever relevant. What else is involved?
Required Qualifications
we understand that life happens. So, we’re big on making sure your work works for you which
is why we offer flexible working. Bring your energy. Play to your strengths. Make things
bigger and better than before.
So if you’re an expert in Data Science, have strong Python/SQL/Pyspark skills and
considerable knowledge in test design, implementation and reporting, can work with
initiative and can build great working relationships within the business, this is the place for
you - and your career.
Benefits
You know NEXT, but did you know we’re a FTSE-100 retail company employing over 43,000
people across the UK and Ireland. We’re the UK’s 2nd largest fashion retailer and for
Kidswear we’re the market leader. At the last count, we have over 500 stores, plus NEXT
Online and it’s now possible to buy online from over 70 countries around the world.
Lead Data Scientist
Job Description
We are looking for a Lead Data Scientist to join the eCommerce Data team! Based from
NEXT Head Office in Enderby, Leicestershire with a competitive salary range and great
benefits..
Let’s talk numbers. When it comes to UK retail, it’s hard to find a bigger name. We sell
thousands of items an hour and are expanding our e-commerce business by the second. For
anyone in Tech, this is the place to learn. To grow. And to thrive.
eCommerce Data provides the department and the business the means to see what is
working and what is not by drawing data and analysing patterns of shopping on our site
and in general.
The role
As a Lead Data Scientist within Marketing Science at NEXT, you will build data-driven
solutions through state-of-the-art machine learning, causal inference, and experiment
design to measure true impact and make impactful recommendations to the business. As a
lead, you are expected to handle end-to-end projects and mentor junior/senior data
scientists whenever relevant. What else is involved?
- Working closely with marketing teams and agencies to understand challenges and
- Proactively lead the design, development, and deployment of data science solutions
- Build Marketing Mix Modeling (MMM), predictive modelling, lifetime value prediction,
- Partner with marketing stakeholders to test, learn, and optimize campaigns through
- Create dashboards and data products that enable self-serve analytics and real-time
- Drive data quality, model governance, and documentation standards across the
Required Qualifications
- Bachelor’s , Master’s degree or higher education in Statistics, Computer Science, Data
- 6+ years of experience in applied data science or analytics, with 2+ years in a
- Strong expertise in marketing analytics, building MMM model via Meridian, Robyn
- Proficiency in SQL, Python, R, PySpark and dashboarding in PowerBI/Looker.
- Experienced running Geolift test, causal inference model, and other forms of
- Solid foundation in machine learning, statistics, econometric modelling, analytical
- Strong communication skills with the ability to translate complex data insights into
- Preferred experience in the e-commerce, technology or marketing industry.
we understand that life happens. So, we’re big on making sure your work works for you which
is why we offer flexible working. Bring your energy. Play to your strengths. Make things
bigger and better than before.
So if you’re an expert in Data Science, have strong Python/SQL/Pyspark skills and
considerable knowledge in test design, implementation and reporting, can work with
initiative and can build great working relationships within the business, this is the place for
you - and your career.
Benefits
- Competitive salary band of £64,000 - £77,000
- Flexible working
- Annual company performance based bonus
- Sharesave scheme, which allows you to invest in NEXT and claim your share of our
- Private Medical Insurance
- Annual Pay Reward
- Pension 3% Employer/ 5% Employee
- 25 days holiday plus bank holidays (can also buy/sell up to 3 days)
- 25% staff discount and free next day delivery to desk for online purchases
- A newly refurbished subsidised restaurant and bar
- Staff shops in Yorkshire and Leicestershire
- Juice bar and coffee shop
- Gympass - discounted gym membership
- Free company bus service to and from Leicester city centre and other areas
- Onsite nursery (salary sacrifice scheme) in Leicester
- A digital GP healthcare service
- & loads more!
You know NEXT, but did you know we’re a FTSE-100 retail company employing over 43,000
people across the UK and Ireland. We’re the UK’s 2nd largest fashion retailer and for
Kidswear we’re the market leader. At the last count, we have over 500 stores, plus NEXT
Online and it’s now possible to buy online from over 70 countries around the world.