Senior Data Scientist

Stack

Responsibilities

• ▹Champion a data-first approach across internal teams and client engagements
• ▹Build and deploy machine learning models to prevent fraud across diverse fintech use cases, from POC through production
• ▹Develop and track metrics to measure risk product performance and risk management strategy effectiveness
• ▹Conduct in-depth analyses to uncover insights contributing to fraud reduction and higher approval rates
• ▹Work directly with clients to understand fraud challenges and translate complex data insights into actionable recommendations
• ▹Use data and models to support risk mitigation strategies while preserving user experience
• ▹Create and automate self-serve dashboards using BI tools
• ▹Collaborate with engineering to scale models into production

Requirements

• ▹7+ years of experience in data science, quantitative modeling, or a data-focused role, with demonstrated impact in fraud or risk contexts
• ▹Strong hands-on experience with Python/R and SQL; Spark a nice to have
• ▹Expertise in BI tools such as Tableau, Sigma, or Metabase
• ▹Proven ability to structure and analyze complex data (EDA, cohort analysis), communicating findings to technical and non-technical audiences
• ▹Sharp critical thinking and creative problem-solving with a bias toward action
• ▹Proficiency in defining, tracking, and communicating performance metrics

Soft skills

What we offer

• ▹Remote: UK, Germany, Ireland, Spain, Poland, Bulgaria, Lithuania
• ▹Generous compensation in cash and equity
• ▹Remote-first culture, work from anywhere
• ▹Flexible paid time off and year-end break
• ▹MacBook Pro delivered to your door
• ▹Monthly meal and social stipends
• ▹Annual health, wellness, and learning stipends

About the company

Sardine is the leading agentic risk platform for fighting financial crime. Its integrated solution unifies data across risk teams to stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Leading companies including FIS, GoDaddy, Intuit, Edward Jones, ZoomInfo, and Checkout.com rely on Sardine.