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Data Scientist II

Signifyd
Location
London, UK; United Kingdom (Remote);
Posted
19 days ago
Department
Applied Decision Science
What they actually want (must-haves)
  • A degree in computer science or a comparable analytical field.
  • 3+ years of post-undergrad work experience required.
  • Strong verbal and written communication skills.
  • Strong machine learning and statistical background.
  • Write code and review others' in a shared codebase in Python.
  • Practical SQL knowledge.
Nice to have
  • Previous work in fraud, payments, or e-commerce.
  • Data analysis in a distributed environment.
  • A passion for writing well-tested production-grade code.
  • Experience with AI coding agents and automation.
  • Experience of running A/B tests in production environments.
What the job really is

As a Data Scientist II at Signifyd, you will work within the Applied Decision Science team to develop and implement machine learning models that detect fraud and improve decision-making for e-commerce transactions. Your role involves collaborating with business leads to identify performance gaps, building automation to reduce repetitive tasks, and communicating complex ideas across various teams. You will also write and review code in Python, work with distributed data pipelines, and run experiments to optimize decision strategies.

Benefits
  • Stock Options
  • Annual Performance Bonus or Commissions
  • Pension matched up to 8%
  • ‘Day one’ access to great health, dental and optical insurance scheme
  • Generous annual leave plus public holidays
  • Cycle to Work Scheme
Things to weigh
  • No salary listed.
  • Remote work is common, but there is no travel requirement for this role.
  • The role includes on-call shifts during weekends, which may not suit everyone.
Job score3.4/5
Benefits5/5
Freshness4/5
Career value4/5
Role clarity4/5
Pay transparency0/5

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