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Lead Product Data Scientist

gradient-labsLondon OfficeTechnology
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Lead
Posted
11 Sept 2026
Status
Open · checked 9d ago

About this role

Gradient Labs is hiring a Lead Product Data Scientist for their London office or remote within the UK, suiting professionals with significant senior-level data science experience in fast-moving tech environments. This position focuses on driving agent performance and delivering customer-facing analytics within the financial services sector.

Role Overview

The Lead Product Data Scientist role at Gradient Labs involves owning optimisation workflows from customer conversations to experiment delivery. Operating out of the London office or via UK remote work with occasional office visits, the professional in this position will directly influence the development of specialist AI agents for banking and fintech.

Key Responsibilities

Engage directly with customers to define and measure success using raw operational data.
Tune and improve agent performance against established metrics for every onboarding client.
Manage optimisation flows end to end to translate opportunities into tangible agent improvements.
Investigate data at a detailed level to formulate and test hypotheses regarding broader operational goals.
Collaborate across multiple functions to identify high-impact opportunities and scope independent initiatives.
Build scalable tooling from ad-hoc analyses for both internal teammates and external clients.

Requirements

Significant data science experience at a lead or staff level.
Proficiency in SQL and Python with expertise in building robust data pipelines and statistical methods.
Professional background within a startup or fast-moving technology setting close to product or customer operations.
Strong product mindset focused on pragmatic trade-offs and rapid business impact.
Excellent communication abilities for a partially customer-facing position.
Experience utilizing AI to increase daily workflow efficiency.

Skills and Tools

SQL
Python
Data pipelines
Statistical methods
AI tools

Salary and Benefits

Base salary and meaningful equity package.
Private medical and dental insurance.
25 days holiday plus bank holidays, with an option to opt out of bank holidays for 32 total days of leave.
Team socials and offsites.
Flexible hybrid working policy with central London office access.

About the Company

Founded in 2023, Gradient Labs builds an AI customer operations platform specifically for financial services, partnering with prominent banking and fintech brands. The team consists of builders from companies such as Monzo, Wise, Revolut, and Google, focusing on eliminating manual work through specialist agents.

How to Apply

Interested candidates should apply directly on the official Gradient Labs careers page.

Skills and tech stack

Questions candidates ask

Where is the job located?

The role is based out of the central London office with hybrid flexibility, or available as remote within the UK with an expectation to visit the office at least once a week.

What technical skills are required?

Applicants must be fluent in SQL and Python, skilled at building robust data pipelines, and possess a strong understanding of statistical methods.

What is the interview process like?

The process includes a talent screen, a first stage interview with the founding data scientist, a take-home task, a task deep dive with the CTO and founding data scientist, and a final interview with the CEO or chief scientist.

What benefits are included?

Benefits include private medical and dental insurance, 25 days of holiday plus bank holidays (or 32 days without bank holidays), equity, team socials, and offsites.

Ready to apply?

The application is on the official gradient-labs careers page.

Apply on company site