Signifyd

Data Scientist II

Signifyd · Belfast, Northern Ireland;

Posted 15 days ago

or apply directly on Signifyd's site. We never take the application ourselves.

Is this posting real?

This role has been open
15 days
Signifyd's roles stay open a median of 32 days
Reposted
No
Salary listed
No
64% of Signifyd's roles list one
Ghost-job risk at Signifyd
high
5 stale, 4 reposted of 14 open
Hiring momentum
22 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Signifyd's own greenhouse board since 2026-08-03. Full hiring picture for Signifyd.

About this role

As a Data Scientist II at Signifyd, you will work within the Applied Decision Science team to develop and implement machine learning models that identify fraud and enhance decision-making for online retailers. Your role involves collaborating with business leads, automating processes, conducting experiments, and communicating findings across various teams. You will also be responsible for writing and reviewing code in Python and working with distributed data pipelines.

Our read on this posting3.6out of 5
benefits
5/5
freshness
4/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Signifyd as an employer.

What you need

  • A degree in computer science or a comparable analytical field
  • 3+ years of post-undergrad work experience
  • 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 you get

  • 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

Worth weighing

  • No salary listed
  • Role involves on-call shifts which may not suit everyone
  • Remote work culture with limited in-person gatherings
  • Heavy use of Slack and generative AI tools may require adaptation

Summarised from Signifyd's posting. Read the full original.

Listed by Signifyd on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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