Data Scientist, Credit Risk & CLTV Modelling (AI-Driven)

iwoca; City of Westminster; On-site; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Flexible working hours

Medical insurance

Private GP service

25 days holiday per year

Birthday day off

Sabbatical after 4 years

Counselling access

Pension contributions

Equity incentive scheme

Parental leave

Nursery tax benefit

Electric car scheme

Company retreats

Learning & development budget

Job summary

iwoca is hiring a Data Scientist in Credit Risk Modelling to build and maintain probabilistic models using lending data. You will contribute from day one, improving existing production models and exploring research ideas with senior data scientists.

The role emphasizes AI-driven prototyping, model calibration, and collaboration across the Credit Risk Modelling team for UK and German lending. Offices in London and other cities support a flexible working environment.

Qualifications

• Background in statistics from a quantitative field (degree or Master’s).
• Able to quantify uncertainty in estimates and treat calibration as a first-order concern.
• Proven track record testing new modelling ideas and judging which to pursue.
• Ability to critically evaluate model output and defend reasoning under challenge.
• Ability to take ambiguous problems from framing to business decisions and provide early answers.

Responsibilities

• Develop probabilistic ML models for credit decisions and CLtV.
• Maintain and improve existing models as market conditions change.
• Prototype and test AI-enabled modelling pipelines and automation.
• Collaborate with senior data scientists to shape research directions.

Skills

Applied statistics

Probabilistic reasoning

Research mindset

Judgement

Analytical ownership

AI leverage

Communication

Education

Bachelors/Masters in Statistics or Mathematics or Physics

Tools

Python

Job description

iwoca is hiring a Data Scientist in Credit Risk Modelling to build and maintain probabilistic models using lending data. You will contribute from day one, improving existing production models and exploring research ideas with senior data scientists.

The role emphasizes AI-driven prototyping, model calibration, and collaboration across the Credit Risk Modelling team for UK and German lending. Offices in London and other cities support a flexible working environment.