Principal ML & AI Scientist at Visa

Warsaw, Masovian Voivodeship, Poland

Visa Logo
Not SpecifiedCompensation
Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level
Full TimeJob Type
UnknownVisa
Fintech, Payments, Financial ServicesIndustries

Requirements

  • MS or PhD in a quantitative discipline such as Statistics, Data Science, Mathematics, Physics, Operations Research, Engineering, or a related field, with demonstrated strength in machine learning, deep learning, or equivalent practical experience
  • 7+ years of directly related experience applying data science and machine learning to solve business problems
  • Proficient Python coding skills and deep expertise in statistical analysis
  • Exceptional problem-solving abilities, with experience designing and implementing complex data science solutions
  • Hands-on experience developing and deploying deep learning models using PyTorch, including model architecture design and optimization
  • Strong background in deep learning
  • Strong academic track record
  • Excellent statistical, machine learning, and software engineering skills
  • Self-starter comfortable with ambiguity, strong attention to detail, and excellent collaboration skills

Responsibilities

  • Develop and apply cutting-edge algorithms and models, ranging from classical machine learning to deep learning techniques, including advanced neural network architectures such as Transformers, Graph Neural Networks (GNNs), and other emerging paradigms
  • Pioneer and apply novel data science, deep learning, and AI methodologies to address unique business challenges and drive innovation
  • Stay up-to-date with the latest research in machine learning, deep learning, and neural network architectures, integrating relevant advancements into business solutions
  • Build, experiment with, and implement statistical, machine learning, and deep learning algorithms - including custom techniques as well as industry-standard tools
  • Devise and apply advanced methods for explainability and interpretability of deep learning models, including mechanistic interpretability and model transparency techniques
  • Develop and implement adaptive learning systems, as well as methods for model validation, A/B testing, and robust performance evaluation
  • Collaborate with data engineers, software developers, product teams, and business stakeholders to translate business requirements into impactful machine learning solutions
  • Communicate complex technical concepts, findings, and recommendations clearly to both technical and non-technical audiences
  • Work with both structured and unstructured data, experimenting with in-house and third-party datasets to evaluate their relevance and value for business objectives
  • Automate all stages of the predictive pipeline to streamline development and minimize manual intervention in both development and production environments
  • Collaborate with a team to conduct world-class applied AI research on financial payments data, driving innovation in alignment with Visa's strategic vision by incubating new data- and AI-powered products and enhancing existing applications with machine learning and AI

Skills

Machine Learning
Deep Learning
Transformers
Graph Neural Networks
GNNs
Neural Networks
Statistical Modeling
Software Engineering
AI Research
Data Science

Visa

Global digital payment network provider

About Visa

Visa operates a global digital payment network that facilitates electronic payments for millions of people daily. The company connects consumers, businesses, financial institutions, and governments, allowing them to make transactions using Visa cards. Each time a card is used, Visa earns money through transaction, service, and data processing fees. Unlike many competitors, Visa focuses on expanding access to financial services for underserved communities and supporting local economies. The company's goal is to promote financial inclusivity and drive sustainable commerce, ensuring that more people can participate in the global economy.

San Francisco, CaliforniaHeadquarters
1958Year Founded
$55.8MTotal Funding
ANGEL_INDIVIDUALCompany Stage
Fintech, Financial ServicesIndustries
10,001+Employees

Benefits

Health Insurance.
Life Insurance.
Dental Insurance.
Disability Insurance.
Accidental Death & Dismemberment Insurance.

Risks

CBDCs could reduce reliance on Visa's payment network.
'Buy Now, Pay Later' services may decrease traditional credit card transactions.
Fintech startups offering zero-fee transactions could pressure Visa's revenue model.

Differentiation

Visa operates a global digital payment network connecting millions daily.
The company focuses on financial inclusivity and sustainability in its operations.
Visa collaborates with central banks on Central Bank Digital Currencies (CBDCs).

Upsides

Visa's partnership with fintechs enhances cross-border payment solutions.
Adoption of blockchain technology could revolutionize digital payments.
AI-driven fraud detection systems are reducing fraudulent activities.

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