Data Scientist (£60k - £100k + Equity) at well-funded sustainability fashion-tech startup

Jack & Jill
London, GB
On-site

Job Description

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Data Scientist

Salary

£60k - £100k + Equity

Company Description

Well-funded sustainability fashion-tech startup

Job Description

As the first Data Scientist, you will own the end-to-end ML lifecycle to solve a multi-billion dollar waste problem. You will build predictive models that optimize garment production, reducing returns and carbon emissions. Working across the full stack, you will turn complex customer data into actionable insights for major global brands.

Location

London, UK

Why this role is remarkable

  • Impact-driven mission focused on reducing global textile waste and carbon emissions at a massive scale.
  • Join as the first data science hire, providing total ownership over ML infrastructure and experimentation frameworks.
  • Backed by top-tier VCs following a record-breaking pre-seed funding round for a female-founded startup.

What You Will Do

  • Design and deploy predictive models to identify fit issues before manufacturing begins, directly impacting return rates.
  • Build and manage the end-to-end data pipeline, from raw source ingestion to production-ready feature stores.
  • Conduct rigorous statistical experiments and A/B tests to validate product recommendations and business hypotheses.

The ideal candidate

  • 3+ years of production experience handling the full data science lifecycle from research to deployment.
  • Advanced proficiency in Python and SQL with the ability to navigate messy, real-world datasets independently.
  • A product-first mindset with the statistical rigour to design valid experiments and communicate complex findings to stakeholders.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.

Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/data-scientist-60k-100k-equity-at-well-funded-sustainability-fashion-tech-startu-308e3c98-96c6-4965-a1fb-7c27c8603aeb?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_308e3c98-96c6-4965-a1fb-7c27c8603aeb

Step 3. Talk to Jack so he can understand your experience and ambitions.

Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.

Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.

Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

Skills & Requirements

Technical Skills

PythonSqlLeadershipCommunicationProblem-solvingSustainabilityFashionTechnology

Salary

£60,000 - £100,000

year

Employment Type

FULL TIME

Level

mid

Posted

5/8/2026

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