Founding Data Scientist - Lending FinTech in London

Founding Data Scientist - Lending FinTech in London

London Full-Time 70000 - 70000 £ / year (est.) No working from home possible
Harnham

At a Glance

  • Tasks: Shape the future of responsible lending by developing credit risk models and strategies.
  • Company: Join a dynamic fintech start-up focused on fair and flexible borrowing experiences.
  • Benefits: Competitive salary, founding equity, and hybrid working options in Central London.
  • Other info: Be part of a small, high-impact team with excellent growth opportunities.
  • Why this job: Make a real impact in a growing company with autonomy over lending strategies.
  • Qualifications: Experience in credit risk modelling, strong Python, SQL, and AWS skills required.

The predicted salary is between 70000 - 70000 £ per year.

Want to shape the future of responsible lending at an early-stage fintech? Enjoy owning credit models from development through to production? Looking for the autonomy to influence lending strategy rather than just build models? This is a 6-person fintech start-up that's recreating personal lending through salary-linked loans, creating a fairer, more flexible borrowing experience centred around affordability rather than traditional credit scoring. With a live product, positive cash flow and fresh funding on the horizon, they're entering an exciting growth phase and are looking for a Senior Data Scientist to play a pivotal role in scaling their credit decisioning capability.

The Role

You'll join a small, high-impact team reporting directly to the VP of Credit, taking ownership of the company's credit risk modelling and decisioning capability.

Responsibilities

  • Building and improving credit risk and decisioning models using Open Banking, bureau and internal lending data
  • Developing scorecards and machine learning models to support underwriting decisions
  • Deploying, monitoring and maintaining models within AWS production environments
  • Analysing portfolio performance, arrears, defaults and customer behaviour
  • Working closely with Product, Engineering and Risk to operationalise models and improve lending strategies

You’ll ideally bring

  • Commercial experience building credit risk or decisioning models within lending (insurance backgrounds may also be considered)
  • Strong experience with scorecards, logistic regression and/or machine learning models
  • Good understanding of how models influence real lending decisions and commercial outcomes
  • Experience deploying and maintaining models within production environments
  • Strong Python, SQL and AWS experience (particularly SageMaker and Lambda)
  • Comfortable working in a fast-moving, hands-on environment with high ownership
  • Excellent communication skills with both technical and business stakeholders

What's on Offer

  • Salary up to £70,000
  • Founding equity
  • Hybrid working (2 days per week in Central London)

Founding Data Scientist - Lending FinTech in London employer: Harnham

Join a leading UK-based media organisation at the forefront of digital transformation, where your role as Director of Streaming Product and Growth will be pivotal in shaping the future of their subscription services. With a strong emphasis on innovation and a collaborative work culture, you'll have access to significant growth opportunities, competitive salary packages, and a performance-based bonus structure, all while working in a dynamic environment that values data-driven decision making and customer-centric strategies.

Harnham

Contact Details:

Harnham Recruitment Team

We think you need these skills to ace Founding Data Scientist - Lending FinTech in London

Credit Risk Modelling
Decisioning Models
Open Banking Data Analysis
Scorecard Development
Machine Learning
Logistic Regression
AWS (SageMaker, Lambda)