Senior Data Scientist

About Us
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.
Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.
Job Description
The Data Scientist position requires an experienced professional who is passionate about data modeling using machine learning and product development to help us build and maintain statistical, ML and AI based solutions in the AML & Sanctions, Compliance space, specifically supporting the Transaction Monitoring, Sanctions screening and Client Due Diligence programs. The candidate should be a motivated self-starter and quick learner willing to work in a high-pressure fast-paced environment and globally located teams.
The candidate will be extensively involved in hands-on querying, analyzing, proposing and implementing optimization solutions, conduct user acceptance testing, and support business stakeholders’ enquiries on ad hoc basis. Successful candidate will be working in the Compliance Technology Operations (CTO) team which is part of the Global Ethics and Compliance organization.
Essential Functions
Strong analytical skills and compliance domain knowledge, with the ability to conduct large scale data analysis through all stages: understand business goal and strategy, formulate analytic approaches, perform data extraction and exploration, and translate results into actionable items
Expertise in advanced techniques (Machine learning, natural language processing, deep learning), including exposure to Generative AI technologies and their applications as well as usage. Experience with Python libraries such as pandas, numpy, matplot and Scikit
Deployment of high-performance scalable AI and Machine Learning (ML) algorithms for building transaction monitoring and risk scoring solutions to improve the quality of alerts and investigation process
Conduct periodic tuning of statistical and machine learning models using large-scale datasets to optimize models for performance, efficiency, and robustness
Well versed with Compliance risk typologies and rules. Good knowledge and deployment experience of rules and typologies
Design and conduct experiments to evaluate the model performance using appropriate metrics and statistical analysis to measure and interpret results
Supervise and work with the Model Risk Management team as an independent contributor to support model validations across multiple business entities. Ensure the accuracy, reliability, and compliance of models by overseeing and conducting thorough validations
Collaborate with internal stakeholders across business units and regulated entities to enhance alignment in implementing MRM policy/standards and promote MRM best practices
Prepare technical documentation, including model architecture, implementation details and model methodology. Review model reports and communicate findings, insights, and recommendations to both technology and business stakeholders
Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.
Qualifications
Basic Qualifications:
5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.
Preferred Qualifications
5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.
Bachelor's/Master’s Degree in Engineering, Economics, Statistics, Mathematics, or related technical discipline
At least 6 years of experience in data science, analysis, reporting, statistical analysis, research, data mining, trend analysis etc.
At least 6 years of experience in machine learning model development and implementation using tools like SAS, SQL, Python/R , Hive and/or Spark
Building predictive and descriptive statistical models using AI/ML algorithms (e.g., logistic regression, random forests, SVMs, XGBoost, CNNs/RNNs)
Compliance domain knowledge primarily for transaction monitoring, screening and client due diligence
Utilizing Generative AI tools and capabilities to bring efficiencies in development and testing
Excellent knowledge of database management, data extraction and data manipulation skills
Superior communication, business writing and stakeholder management skills
Self-motivated and proactive in talking to business partners/clients to identify and understand problem statements
Passionate about building end-user experiences that deliver measurable value without increasing complexity
Willing to work on a flexible schedule across different time zones
Visa is an EEO Employer
Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.

Work arrangement
No