A/B Test Design and Readout

About this task

This retail chain (501–1,000 employees) is looking for a director Data Scientist for a single piece of work with a fixed scope and a fixed price. Experiment design that holds up.

A fresh pair of experienced eyes is needed, and the result is a document or file the team can use straight away. It is a retailer with stores and an online channel, and the team works to a weekly trading rhythm.

The work is fully remote. Any location in France works, with a few hours of overlap with the team's day. Most people do this on weekday evenings; replies inside the working day are not expected.

What you deliver

• Design the test, size the sample, run the readout and write the decision memo.
• One round of edits after the company's review is included
• A final note stating what was checked and what was left out of scope
• A 20-minute walkthrough call, or a recorded screen share if you prefer

How the work runs

• Day 1: scope confirmed in writing, files shared
• Middle of the period: draft shared for early feedback
• Last day: final version and handover note

Duration: about 10 working days. Accepted on the company's written OK. If something is missed, you fix it in the same week at no extra charge to either side.

Tools

How you get paid

• The company prepays Deftridge before your first hour, so payment does not depend on a late invoice.
• Deftridge pays you in EUR after the company confirms the hours or the deliverable. The payment date is written in your task agreement.
• You work as an independent contractor: you report your own income, and your recruiter sends the statements your accountant needs.
• You never chase the company. Questions about money go to Deftridge.

What happens after you say you're interested

1. Within one working dayA recruiter writes to you to confirm your hours and the rate you want.
2. You agree the rateYou and the recruiter fix an exact rate inside the company's range. You decide whether to go ahead.
3. With your written OKThe company sees the anonymous profile below. Most companies answer within three working days.
4. StartYou sign the task agreement and the company's confidentiality terms through Deftridge, and begin on the date above.

What the company sees about you

First name, field, experience, tools and the hours you offer. Not your surname, your employer or your contact details.

How this rate compares

The midpoint of this range, €84 an hour, is above the median director Data Scientist rate in France (€80). The shaded band is the 25th to 75th percentile of the market.

All Data Scientist jobs in France · Data Scientist rates in France · Data & Analytics jobs

Questions about pay and privacy

The rules are the same for every task. Pricing explains the 15% fee, prepayment and when you are paid; How it works covers matching, what the company sees and side work next to a job.