Staff Data Scientist

Visa Visa · Fintech · Bellevue, WA

Staff Data Scientist at Visa focused on building AI-driven decision intelligence for dispute resolution and recovery products. The role involves end-to-end ML lifecycle ownership, from problem framing to production deployment and monitoring, with a focus on scalable models and GenAI/LLM solutions to improve automation, recovery outcomes, and client experience.

What you'd actually do

  1. Define and lead high-impact ML initiatives across dispute decisioning, merchant matching, and recovery prediction
  2. Own end-to-end ML lifecycle, including problem framing, feature engineering, model development, deployment, and monitoring
  3. Build and productionize scalable models using large-scale transaction and dispute datasets
  4. Partner closely with Product, Engineering, and Data Engineering to translate business needs into data-driven solutions
  5. Design and implement GenAI/LLM-based solutions for explainability, workflow automation, and decision support

Skills

Required

  • Python
  • SQL
  • git
  • GitHub
  • Generative AI tools (e.g. ChatGPT, Microsoft Copilot)

Nice to have

  • R
  • Hadoop
  • Hive
  • Spark
  • Agile experience
  • payments
  • fraud
  • risk
  • disputes
  • fintech
  • transaction-heavy domains

What the JD emphasized

  • lead high-impact machine learning initiatives
  • Own end-to-end ML lifecycle
  • Build and productionize scalable models
  • Design and implement GenAI/LLM-based solutions
  • Proven track record of commercializing analytical or ML solutions in production environments
  • Experience working with large-scale datasets and building scalable models
  • Hands-on experience applying machine learning and predictive modeling tecniques to business problems
  • Experience in payments, fraud, risk, disputes, fintech, or transaction-heavy domains

Other signals

  • AI-driven decision intelligence
  • machine learning initiatives
  • develop models
  • GenAI/LLM-based solutions