Junior Data Scientist: Acquisition Analytics & Experiments

iwoca; Greater London; Hybrid; GBP 40,000 - 60,000; Full time

Benefits offered by this job

Flexible working hours

Medical insurance

25 days holiday per year

Sabbatical after four years

Pension contributions

Employee equity incentive

Nursery tax benefit scheme

Two company retreats a year

Job summary

iwoca is seeking a Junior Data Scientist for the Direct Acquisition team in London. You will design experiments and build statistical models that shape how iwoca reaches new customers, mentored by an experienced data scientist.

Join a cross-functional environment with Marketing, Sales, Brand, and AcquiTech, contributing to evidence-based decisions and scalable analytics across acquisition channels.

Qualifications

• Background in probability and statistics from a quantitative field (degree or Master’s).
• Curiosity for new methods and a proactive research mindset.
• Ability to critically evaluate model output and justify choices.
• Ability to own workstreams from framing to decision with iterative updates.
• Use of AI as a primary tool with good judgement on its limits.
• Clear written and spoken communication tailored for non-technical stakeholders.

Responsibilities

• Design experiments to inform sales and marketing decisions with evidence.
• Build and refine statistical models addressing business problems.
• Engage with iwoca's data science community to align methodologies and grow expertise.

Skills

Statistical foundations

Research mindset

Judgement

Analytical ownership

AI fluency

Communication

Domain experience

Causal inference and experimentation

Marketing mix or attribution modelling

Bayesian methods

Production ML

Tools

Python

Job description

iwoca is seeking a Junior Data Scientist for the Direct Acquisition team in London. You will design experiments and build statistical models that shape how iwoca reaches new customers, mentored by an experienced data scientist.

Join a cross-functional environment with Marketing, Sales, Brand, and AcquiTech, contributing to evidence-based decisions and scalable analytics across acquisition channels.