Visa is a world leader in payments technology, facilitating transactions globally. The role involves leveraging advanced technologies to analyze data and develop machine learning models aimed at enhancing fraud detection and prevention.
Responsibilities
- Analyze transaction event logs using Spark and big data technologies and develop deeper insights into products using advanced statistical methods
- Devise and implement deep learning models for building user behavior profiles. This includes data acquisition, feature engineering, model development, and deployment
- Support and optimize other existing analytical models/products
- Maintain the backend operations pipeline, including the job scheduler and data processes
- Devise and implement methods for efficiently monitoring model effectiveness and performance in production
- Use GenAI to create an agentic framework that enhances fraud detection efficiency
- As a member of the PFI team, you will work closely with other data scientists and data engineers to build, design, engineer, and develop analytical services that deliver fraud detection abilities and improve the efficiency and capabilities through automation
- Communicate clean and persuasive data directly to end users, leadership, and other stakeholders, technical and non-technical
Skills
- Bachelor's degree, with 1-2 years of relevant work experience
- 1-2 years of relevant work experience with either bachelor's or master's degree in data science, mathematics, statistics, economics, computer science, engineering, or other related business or quantitative discipline is required
- Solid background and hands on experiences with building Machine learning, deep learning and AI models
- Excellent understanding of algorithms and data structures and proficiency in Python and SQL
- Experience working with large datasets using tools and Hadoop, Spark, or Hive
- Excellent analytic and problem-solving capability combined with ambition to solve hard problems
- Strong communications skills and ability to collaborate
- Highly driven, resourceful and results oriented
- Good team player and excellent interpersonal skills
- Demonstrated ability to lead and navigate through ambiguity
- 2 years of work experience
- Experience with Generative AI/LLM
Benefits
- Medical
- Dental
- Vision
- 401 (k)
- FSA/HSA
- Life Insurance
- Paid Time Off
- Wellness Program
Company Overview
- Visa is a multinational financial services company that facilitates electronic payment systems throughout the world. It was founded in 1958, and is headquartered in Foster City, California, USA, with a workforce of 10001+ employees. Its website is https://www.visa.com.
Company H1B Sponsorship
- Visa has a track record of offering H1B sponsorships, with 459 in 2025, 424 in 2024, 416 in 2023, 515 in 2022, 351 in 2021, 407 in 2020. Please note that this does not guarantee sponsorship for this specific role.